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Senior Housing:Typological Innovation via Mixed Use Architecture for Social Integration and Wellness in Italy
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作者 Daniela Ladiana Flavia Iaccarino 《Journal of Civil Engineering and Architecture》 2025年第10期461-469,共9页
Despite public and private investments in the senior housing sector,an alternative to retirement homes is not yet truly present in Italy,except for a few rare cases.The spots in residential facilities for the elderly ... Despite public and private investments in the senior housing sector,an alternative to retirement homes is not yet truly present in Italy,except for a few rare cases.The spots in residential facilities for the elderly are limited and not enough to fill a demand for spaces that is continuously increasing.Another underlying problem is that the type of user that senior housing is aimed at is not currently considered by the Italian market;the impact of factors that can decrease the quality of life in elderly people,such as loneliness,lack of physical activity or loss of routine is underestimated.This set of negative factors promotes the opposite of what is considered active aging.In recent years senior houses,intended as a residential typology for self-sufficient elderly people,have undergone a significant evolution,reflecting social,demographic and technological changes;this reflects a paradigm shift in the way society approaches care to the elderly,focusing increasingly on autonomy,personalization and well-being.From 2010 to 2024,there has been greater attention towards customization of programs and spaces dedicated to the elderly,with the aim of offering services that meet everyone’s specific needs.Senior houses are becoming more oriented towards a wellbeing-based approach and are starting to focus on social inclusion as well,promoting recreational and cultural activities to improve the quality of life of elderly vips.A strategy used for social inclusion is to dedicate part of the project to functions open to the public(kindergartens,community centers,spaces for associations,etc.)so that the project fits into the urban level of the city by interacting with it.The proposal is to integrate cultural spaces with senior housing in a way that the elderly residents can become the keepers and narrators of local heritage,creating intergenerational communities. 展开更多
关键词 Senior housing mixed use social inclusion HEALTH WELLNESS
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The Impact of Urbanization on Wetland Ecology in Delhi Using AWEI and GIS
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作者 Grinedge Yadav Rupesh Kumar Gupta +2 位作者 Arpit Gupta Ajay Srivastava Nani Gopal Mandal 《Research in Ecology》 2025年第3期28-41,共14页
This study examines the spatial and temporal patterns of wetland degradation in Delhi from 1991 to 2021 using remote sensing and GIS techniques.The Automated Water Extraction Index(AWEI)was applied to pre-monsoon Land... This study examines the spatial and temporal patterns of wetland degradation in Delhi from 1991 to 2021 using remote sensing and GIS techniques.The Automated Water Extraction Index(AWEI)was applied to pre-monsoon Landsat imagery to delineate surface water bodies over the past 30 years accurately.Supervised classification was employed to generate land use maps,while census data was utilized to analyze urbanization trends across the region.Classification accuracy was assessed using Google Earth reference data through a confusion matrix,ensuring the reliability of the land cover analysis.Results reveal a significant decline in wetland extent,especially in densely populated and rapidly urbanizing districts such as North West,South,and East Delhi.During this time,the urban population increased from 52.7% to 97.4%,accompanied by a 70.2% expansion of built-up areas,while wetlands contracted from 32.9 km^(2) to 30.2 km^(2).South Delhi experienced the most severe wetland loss,with water body coverage dropping from 0.800% to 0.025%,whereas North East and Central Delhi maintained higher wetland coverage due to the influence of the Yamuna River and targeted conservation efforts.The study highlights the strong linkage between urban growth and wetland decline,which threatens biodiversity,groundwater recharge,and ecological stability.These findings emphasize the urgent need for integrated urban planning and conservation policies to safeguard wetlands,thereby promoting sustainability and water security in the National Capital Region. 展开更多
关键词 Wetland ecology URBANIZATION GIS Land Use
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Antiretroviral therapy adherence among people living with HIV in Vietnam using a multi-method tool:A cross-sectional study
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作者 Ly Trieu Vo Dung Quoc Phan +5 位作者 Bang Van Khanh Quang Lan Y Vo Hanh Thi My Nguyen Araba Gyan Han Thi Ngoc Nguyen Giao Huynh 《Asian Pacific Journal of Tropical Medicine》 2025年第4期156-164,I0001-I0004,共13页
Objective: To assess antiretroviral therapy (ART) adherence rates and associated factors among people living with HIV in Vietnam. Methods: A cross-sectional study was conducted at the Hospital for Tropical Diseases, H... Objective: To assess antiretroviral therapy (ART) adherence rates and associated factors among people living with HIV in Vietnam. Methods: A cross-sectional study was conducted at the Hospital for Tropical Diseases, Ho Chi Minh City from June to August 2022. Data were collected from 347 people living with HIV using structured questionnaires assessing sociodemographics, substance use, drug side effects, treatment beliefs, treatment satisfaction, and depression. ART adherence was evaluated using a multi-method tool, including self-report, pill count, the Provider Interview Tool, and the Visual Analog Scale. Participants were classified as having high adherence only if they met all four criteria across these methods. Multivariable logistic regression was used to identify factors influencing adherence, with significance set at P<0.05. Results: High ART adherence was observed in 69.5% of the participants. Adherence was significantly lower among tobacco users (OR 0.49, 95% CI 0.30-0.83, P=0.007), those with higher depression scores (per 1-point increase) (OR 0.89, 95% CI 0.84-0.95, P<0.001), frequent substance users (OR 0.50, 95% CI 0.30-0.83, P=0.007), and those experiencing more severe drug side effects (per level increase) (OR 0.64, 95% CI 0.45-0.92, P=0.016). Participants able to afford treatment had nearly three times higher odds of adherence than those unable to pay (OR 2.85, 95% CI 1.48-5.47, P=0.002). Conclusions: ART adherence among people living with HIV in Vietnam remains suboptimal. Interventions should target substance use, drug side effects, financial barriers, and depression screening to improve adherence. 展开更多
关键词 HIV Antiretroviral therapy adherence TOBACCO Side effects Substance use DEPRESSION Treatment costs
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Using Time Series Foundation Models for Few-Shot Remaining Useful Life Prediction of Aircraft Engines
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作者 Ricardo Dintén Marta Zorrilla 《Computer Modeling in Engineering & Sciences》 2025年第7期239-265,共27页
Predictive maintenance often involves imbalanced multivariate time series datasets with scarce failure events,posing challenges for model training due to the high dimensionality of the data and the need for domain-spe... Predictive maintenance often involves imbalanced multivariate time series datasets with scarce failure events,posing challenges for model training due to the high dimensionality of the data and the need for domain-specific preprocessing,which frequently leads to the development of large and complex models.Inspired by the success of Large Language Models(LLMs),transformer-based foundation models have been developed for time series(TSFM).These models have been proven to reconstruct time series in a zero-shot manner,being able to capture different patterns that effectively characterize time series.This paper proposes the use of TSFM to generate embeddings of the input data space,making them more interpretable for machine learning models.To evaluate the effectiveness of our approach,we trained three classical machine learning algorithms and one neural network using the embeddings generated by the TSFM called Moment for predicting the remaining useful life of aircraft engines.We test the models trained with both the full training dataset and only 10%of the training samples.Our results show that training simple models,such as support vector regressors or neural networks,with embeddings generated by Moment not only accelerates the training process but also enhances performance in few-shot learning scenarios,where data is scarce.This suggests a promising alternative to complex deep learning architectures,particularly in industrial contexts with limited labeled data. 展开更多
关键词 Remaining useful life foundation models time series forecasting BENCHMARK predictive maintenance
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Using L1 in English-Medium Content-Based Classrooms: A Case Study of Teachers’ Perspectives in Hong Kong
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作者 Angus Cheng 《Chinese Journal of Applied Linguistics》 2025年第2期228-240,321,共14页
In L2 content-based classrooms,code-switching or translanguaging seem to be a common practice adopted by teachers.There has been growing research discussing the potentials of L1 in these classrooms.Most of the current... In L2 content-based classrooms,code-switching or translanguaging seem to be a common practice adopted by teachers.There has been growing research discussing the potentials of L1 in these classrooms.Most of the current studies have focused on the analysis of lesson interactions and yet the perception of the content teachers has remained underexplored.This case study investigated the introspective views of a group of content teachers at a secondary school using questionnaires and written accounts.Data analyses showed that these teachers were generally aware of the interpersonal and ideational functions achieved by the use of L1 and they also seemed to have a positive view towards their practices of using L1 in English-medium classrooms.Based on the findings,practical implications for content teachers in relation to making medium of instruction decisions and suggestions for further research are discussed. 展开更多
关键词 content-based instruction medium of instruction translanguaging teachers’beliefs use of L1
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Prediction and Modelling of Land Use Change in Pesawaran District Lampung Using ANN and Cellular Automata
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作者 Irma Lusi Nugraheni Mustofa Usman Sutarto Sutarto 《Journal of Environmental & Earth Sciences》 2025年第6期46-62,共17页
The simultaneous increase in development in Pesawaran Regency is closely correlated with the intense competi-tion for land use.However,low policy implementation effectiveness has led to construction beyond designated ... The simultaneous increase in development in Pesawaran Regency is closely correlated with the intense competi-tion for land use.However,low policy implementation effectiveness has led to construction beyond designated spatial plan.The study used a quantitative survey using Landsat images in 2016,2019,and 2022.The data analysis techniques used geographic information systems integrated with Artificial Neural Network(ANN)and Cellular Automata(CA)models.This study aims to predict land-use change in 2031,evaluate its alignment with spatial planning,and provide guidance for controlling land-use change.The results showed that there has been an increase in land use.In 2019,built-up land reached 7,069.65 Ha.The model shows its ability to predict land simulation and transformation,where it is predicted that built-up land in 2031 will experience an increase of up to 40.10%,so development and change cannot be avoided every year.This study also suggests that decision-makers and local governments should reconsider spatial planning strategies.This study shows that there have been many land use changes from 2016 to 2022.The model shows its ability to predict simulation and land transformation.When using the model,there are many changes in the land use area in 2031.This is due to wet agricultural land turning into built-up land by almost 70%.This study shows that road network influence land-use change.The cellular automata model managed to capture the complexity with simple rules.Predictions for future research should focus on conserving wetlands and primary forests. 展开更多
关键词 Land Use Model System Information Geography Cellular Automata Artificial Neural Network(ANN)
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Examining Reasons for Using Non‐Primary Care Providers as Usual Source of Health Care:Insights From the All of Us Study
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作者 Abbey Gregg Hui Wang +2 位作者 Brankeciara Ard Marcelo Takejame Galafassi Maryam Bidgoli 《Health Care Science》 2025年第3期195-205,共11页
Introduction:Having a primary care usual source of care(USC)is associated with better population health outcomes.However,the percent of adults in the United States(US)with a usual primary care provider is declining.We... Introduction:Having a primary care usual source of care(USC)is associated with better population health outcomes.However,the percent of adults in the United States(US)with a usual primary care provider is declining.We sought to identify factors associated with establishing a USC at an urgent care clinic or emergency department as opposed to primary care.Methods:We analyzed data from 57,152 participants in the All of Us study who reported having a USC.We used the Andersen Behavioral Model of Health Services Use framework and multivariable logistic regression to examine associations among predisposing,enabling,and need factors,according to the source of usual care.Results:An urgent care clinic,minute clinic,or emergency department was the source of usual care for 6.3%of our sample.The odds of seeking care at this type of facility increased with younger age,lower educational attainment,and better health status.Black and Hispanic individuals,as well as those who reported experiencing discrimination in medical settings or that their provider was of a different race and ethnicity,were also less likely to have a primary care USC.Financial concerns,being anxious about seeing a provider,and the inability to take time off from work also increased the likelihood of having a non‐primary care USC.Conclusions:Improving the rates of having a primary care USC among younger and healthy adults may be achievable through policies that can improve access to convenient,affordable primary care.Efforts to improve diversity among primary care providers and reduce discrimination experienced by patients may also improve the USC rates for racial and ethnic minority groups. 展开更多
关键词 AIl of Us Andersen Behavioral Model of Health Service Use primary care usual source of care
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Forecasting land use changes in crop classification and drought using remote sensing
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作者 Mashael MAASHI Nada ALZABEN +3 位作者 Noha NEGM Venkatesan VEERAMANI Sabarunisha Sheik BEGUM Geetha PALANIAPPAN 《Journal of Arid Land》 2025年第5期575-589,共15页
Challenges in land use and land cover(LULC)include rapid urbanization encroaching on agricultural land,leading to fragmentation and loss of natural habitats.However,the effects of urbanization on LULC of different cro... Challenges in land use and land cover(LULC)include rapid urbanization encroaching on agricultural land,leading to fragmentation and loss of natural habitats.However,the effects of urbanization on LULC of different crop types are less concerned.The study assessed the impacts of LULC changes on agriculture and drought vulnerability in the Aguascalientes region,Mexico,from 1994 to 2024,and predicted the LULC in 2034 using remote sensing data,with the goals of sustainable land management and climate resilience strategies.Despite increasing urbanization and drought,the integration of satellite imagery and machine learning models in LULC analysis has been underutilized in this region.Using Landsat imagery,we assessed crop attributes through indices such as normalized difference vegetation index(NDVI),normalized difference water index(NDWI),normalized difference moisture index(NDMI),and vegetation condition index(VCI),alongside watershed delineation and spectral features.The random forest model was applied to classify LULC,providing insights into both historical and future trends.Results indicated a significant decline in vegetation cover(109.13 km^(2))from 1994 to 2024,accompanied by an increase in built-up land(75.11 km^(2))and bare land(67.13 km^(2)).Projections suggested a further decline in vegetation cover(41.51 km^(2))and continued urban land expansion by 2034.The study found that paddy crops exhibited the highest values,while common bean and maize performed poorly.Drought analysis revealed that mildly dry areas in 2004 became severely dry in 2024,highlighting the increasing vulnerability of agriculture to climate change.The study concludes that sustainable land management,improved water resource practices,and advanced monitoring techniques are essential to mitigate the adverse effects of LULC changes on agricultural productivity and drought resilience in the area.These findings contribute to the understanding of how remote sensing can be effectively used for long-term agricultural planning and environmental sustainability. 展开更多
关键词 land use and land cover(LULC) crop attributes drought vulnerability machine learning models remote sensing
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Using X Social Networks and web news mining to predict Marburg virus disease outbreaks
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作者 Mohammad Jokar Kia Jahanbin Vahid Rahmanian 《Asian Pacific Journal of Tropical Medicine》 2025年第2期96-98,共3页
Marburg virus disease(MVD)is a highly fatal illness,with a case fatality rate of up to 88%,though this rate can be significantly reduced with prompt and effective patient care.The disease was first identified in 1967 ... Marburg virus disease(MVD)is a highly fatal illness,with a case fatality rate of up to 88%,though this rate can be significantly reduced with prompt and effective patient care.The disease was first identified in 1967 during concurrent outbreaks in Marburg and Frankfurt,Germany,and in Belgrade,Serbia,linked to laboratory use of African green monkeys imported from Uganda.Subsequent outbreaks and isolated cases have been reported in various African countries,including Angola,the Democratic Republic of the Congo,Equatorial Guinea,Ghana,Guinea,Kenya,Rwanda,South Africa(in an individual with recent travel to Zimbabwe),Tanzania,and Uganda.Initial human MVD infections typically occur due to prolonged exposure to mines or caves inhabited by Rousettus aegyptiacus fruit bats,the natural hosts of the virus. 展开更多
关键词 laboratory use marburg virus disease mvd african green monkeys outbreaks social networks marburg virus disease case fatality rate web news mining
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Remaining useful life probabilistic prognostics using a novel dual adaptive sliding-window hybrid strategy
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作者 Run DONG Wenjie LIU Weilin LI 《Chinese Journal of Aeronautics》 2025年第7期408-421,共14页
The reliable,rapid,and accurate Remaining Useful Life(RUL)prognostics of aircraft power supply and distribution system are essential for enhancing the reliability and stability of system and reducing the life-cycle co... The reliable,rapid,and accurate Remaining Useful Life(RUL)prognostics of aircraft power supply and distribution system are essential for enhancing the reliability and stability of system and reducing the life-cycle costs.To achieve the reliable,rapid,and accurate RUL prognostics,the balance between accuracy and computational burden deserves more attention.In addition,the uncertainty is intrinsically present in RUL prognostic process.Due to the limitation of the uncertainty quantification,the point-wise prognostics strategy is not trustworthy.A Dual Adaptive Sliding-window Hybrid(DASH)RUL probabilistic prognostics strategy is proposed to tackle these deficiencies.The DASH strategy contains two adaptive mechanisms,the adaptive Long Short-Term Memory-Polynomial Regression(LSTM-PR)hybrid prognostics mechanism and the adaptive sliding-window Kernel Density Estimation(KDE)probabilistic prognostics mechanism.Owing to the dual adaptive mechanisms,the DASH strategy can achieve the balance between accuracy and computational burden and obtain the trustworthy probabilistic prognostics.Based on the degradation dataset of aircraft electromagnetic contactors,the superiority of DASH strategy is validated.In terms of probabilistic,point-wise and integrated prognostics performance,the proposed strategy increases by 66.89%,81.73% and 25.84%on average compared with the baseline methods and their variants. 展开更多
关键词 Remaining Useful Life(RUL) Prognostics and Health Management(PHM) Probabilistic prognostics Long Short-Term Memory(LSTM) Kernel Density Estimation(KDE) ADAPTIVE Sliding window
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Simulation of urban affordable housing land-use evolution based on CA-MAS model
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作者 张建坤 王圆圆 +1 位作者 王效容 李俊杰 《Journal of Southeast University(English Edition)》 EI CAS 2014年第4期531-536,共6页
In order to simulate the evolution of affordable housing land use a dynamic model that combines cellular automata CA and a multi-agent system MAS is established.This paper aims to utilize the approach of decision fact... In order to simulate the evolution of affordable housing land use a dynamic model that combines cellular automata CA and a multi-agent system MAS is established.This paper aims to utilize the approach of decision factors on site selection of affordable housing through a literature review to construct a hierarchy model of those factors identifying the weight of each factor by an analytic hierarchy process AHP .Based on those weight factors the CA-MAS model is designed. Nanjing city is taken as an example to verify the feasibility of the model.The results show that the CA-MAS model is pragmatic and effective in simulating evolution of affordable housing land use which also promotes the fundamental understanding and perception of the development of affordable housing and urbanization. 展开更多
关键词 affordable housing land use CA-MAS model SIMULATION
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Breathe New Life into English Teaching:A Book Review of Using Corpora in the Language Classroom 被引量:1
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作者 唐磊 江晓敏 《海外英语》 2013年第13期93-94,共2页
The present article provides a critical review of Randi Reppen's impressing book Using Corpora in the Language Classroom.It's argued that Randi Reppen's book,despite a few slight flaws,has a strong practic... The present article provides a critical review of Randi Reppen's impressing book Using Corpora in the Language Classroom.It's argued that Randi Reppen's book,despite a few slight flaws,has a strong practical orientation and is a laudable effort to make English language teachers to realize the importance and practicality of bringing corpora into classroom in digital age.The book is particularly worthy of reading for those language teachers(especially beginner teachers) who want to breathe new life into their English teaching. 展开更多
关键词 English TEACHING BOOK review using CORPORA in the
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Continuous Dynamic Rotation Measurements Using a Compact Cold Atom Gyroscope 被引量:14
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作者 姚战伟 鲁思滨 +4 位作者 李润兵 王锴 曹雷 王谨 詹明生 《Chinese Physics Letters》 SCIE CAS CSCD 2016年第8期41-44,共4页
We present an experimental demonstration of the rotation measurement using a compact cold atom gyroscope. Atom interference fringes are observed in the stationary frame and the rotating frame, respectively. The phase ... We present an experimental demonstration of the rotation measurement using a compact cold atom gyroscope. Atom interference fringes are observed in the stationary frame and the rotating frame, respectively. The phase shift and contrast of the interference fringe are experimentally investigated. The results show that the contrast of the interference fringe is well held when the platform is rotated, and the phase shift of the interference fringe is linearly proportional to the rotation rate of the platform. The long-term stability, which is evaluated by the overlapped Allan deviation, is 8.5 × 10^-6 rad/s over the integrating time of 1000s. 展开更多
关键词 of on as is in Continuous Dynamic Rotation Measurements using a Compact Cold Atom Gyroscope
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The coupling characteristics and mechanism of farmland and rural housing land transition in China 被引量:56
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作者 Long Hualou Li Tingting 《Journal of Geographical Sciences》 SCIE CSCD 2012年第3期548-562,共15页
Land use transition refers to the changes in land use morphology (both dominant morphology and recessive morphology) of a certain region over a certain period of time driven by socio-economic change and innovation, ... Land use transition refers to the changes in land use morphology (both dominant morphology and recessive morphology) of a certain region over a certain period of time driven by socio-economic change and innovation, and it usually corresponds to the transition of socio-economic development phase. In China, farmland and rural housing land are the two major sources of land use transition. This paper analyzes the spatio-temporal coupling characteristics of farmland and rural housing land transition in China, using high-resolution Landsat TM (Thematic Mapper) data in 2000 and 2008, and the data from the Ministry of Land and Resources of China. The outcomes indicated that: (1) during 2000-2008, the correlation coefficient of farmland vs. rural housing land change is -0.921, and it shows that the change pattern of farmland and rural housing land is uncoordinated; (2) the result of Spearman rank correlation analysis shows that rural housing land change has played a major role in the mutual transformation of farmland and rural housing land; and (3) it shows a high-degree spatial coupling between farmland and rural housing land change in southeast China during 2000-2008. In general, farmland and rural housing land transition in China is driven by socio-economic, bio-physical and managerial three-dimensional driving factors through the interactions among rural population, farmland and rural housing land. However, the spatio-temporal coupling phenomenon and mechanism of farmland and rural housing land transition in China are largely due to the "dual-track" structure of rural-urban development. 展开更多
关键词 land use transition FARMLAND rural housing land coupling mechanism rural transformation development China
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Targeted mutagenesis of amino acid transporter genes for rice quality improvement using the CRISPR/Cas9 system 被引量:20
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作者 Shiyu Wang Yihao Yang +3 位作者 Min Guo Chongyuan Zhong Changjie Yan Shengyuan Sun 《The Crop Journal》 SCIE CAS CSCD 2020年第3期457-464,共8页
High grain protein content(GPC) reduces rice eating and cooking quality(ECQ). We generated OsAAP6 and OsAAP10 knockout mutants in three high-yielding japonica varieties and one japonica line using the CRISPR/Cas9 syst... High grain protein content(GPC) reduces rice eating and cooking quality(ECQ). We generated OsAAP6 and OsAAP10 knockout mutants in three high-yielding japonica varieties and one japonica line using the CRISPR/Cas9 system. Mutation efficiency varied with genetic background in the T_0 generation, and GPC in the T_1 generation decreased significantly,owing mainly to a reduction in glutelin content. Amylose content was down-regulated significantly in some Osaap6 and all Osaap10 mutants. The increased taste value of these mutants was supported by Rapid Visco Analysis(RVA) profiles, which showed higher peak viscosity and breakdown viscosity and lower setback viscosity than the wild type. There were no significant deficiencies in agronomic traits of the mutants. Targeted mutagenesis of OsAAP6 and OsAAP10, especially OsAAP10, using the CRISPR/Cas9 system can rapidly reduce GPC and improve ECQ of rice, providing a new strategy for the breeding cultivars with desired ECQ. 展开更多
关键词 AAP RVA Targeted mutagenesis of amino acid transporter genes for rice quality improvement using the CRISPR/Cas9 system CRISPR
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IRESfinder:Identifying RNA internal ribosome entry site in eukaryotic cell using framed k-mer features 被引量:16
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作者 Jian Zhao Jing Wu +3 位作者 Tianyi Xu Qichang Yang Junhao He Xiaofeng Song 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2018年第7期403-406,共4页
In eukaryotic cells, initiation of protein translation is to recruit the ribosome to a specific mRNA, which is generally dependent on the 5' cap structure. However, protein translation can also be initiated in a cap-... In eukaryotic cells, initiation of protein translation is to recruit the ribosome to a specific mRNA, which is generally dependent on the 5' cap structure. However, protein translation can also be initiated in a cap-independent manner by using a cis-regulatory element termed the internal ribosome entry site (IRES). The first experimentally validated IRES was reported in the poliovirus (Pelletier and Sonenberg, 1988). Then eukaryotic cellular mRNAs were also validated to contain IRES elements. 展开更多
关键词 IRESfinder Identifying RNA internal ribosome entry site eukaryotic cell using framed k-mer features
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Targeted mutagenesis in rice using CRISPR-Cpf1 system 被引量:23
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作者 Xixun Hu Chun Wang +2 位作者 Qing Liu Yaping Fu Kejian Wang 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2017年第1期71-73,共3页
Cpf1 is a class 2/type V CRISPR effector that has been recently harnessed for genome editing (Zetsche et al., 2015; Hut et al., 2016; Kim et al., 2016). Cpff recognizes thymidine-rich sequence as the protospacer-adj... Cpf1 is a class 2/type V CRISPR effector that has been recently harnessed for genome editing (Zetsche et al., 2015; Hut et al., 2016; Kim et al., 2016). Cpff recognizes thymidine-rich sequence as the protospacer-adjacent motif (PAM) at the 5' end of target sequences. In addition, Cpfl requires only a single shorter crRNA and cleaves DNA in a staggered fashion with 5' overhangs (Zetsche et al., 2015). 展开更多
关键词 Targeted mutagenesis in rice using CRISPR-Cpf1 system TRNA
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Generation of seed lipoxygenase-free soybean using CRISPR-Cas9 被引量:16
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作者 Jie Wang Huaqin Kuang +5 位作者 Zhihui Zhang Yongqing Yang Long Yan Mengchen Zhang Shikui Song Yuefeng Guan 《The Crop Journal》 SCIE CAS CSCD 2020年第3期432-439,共8页
Beany flavor induced by three lipoxygenases(LOXs, including LOX1, LOX2, and LOX3)restricts human consumption of soybean. It is desirable to generate lipoxygenase-free new mutant lines to improve the eating quality of ... Beany flavor induced by three lipoxygenases(LOXs, including LOX1, LOX2, and LOX3)restricts human consumption of soybean. It is desirable to generate lipoxygenase-free new mutant lines to improve the eating quality of soybean oil and protein products. In this study, a pooled clustered regularly interspaced short palindromic repeats(CRISPR)-CRISPRassociated protein 9(Cas9) strategy targeting three GmLox genes(GmLox1, GmLox2, and GmLox3) was applied and 60 T_0 positive transgenic plants were generated, carrying combinations of sg RNAs and mutations. Among them, GmLox-28 and GmLox-60 were gmlox1 gmlox2 gmlox3 triple mutants and GmLox-40 was a gmlox1 gmlox2 double mutant.Sequencing of T_1 mutant plants derived from GmLox-28, GmLox-60, and GmLox-40 showed that mutation in the GmLox gene was inherited by the next generation. Colorimetric assay revealed that plants carrying different combinations of mutations lost the corresponding lipoxygenase activities. Transgene-free mutants were obtained by screening the T_2 generation of lipoxygenase-free mutant lines(GmLox-28 and GmLox-60). These transgeneand lipoxygenase-free mutants could be used for soybean beany flavor reduction without restriction by regulatory frameworks governing transgenic organisms. 展开更多
关键词 LOX Generation of seed lipoxygenase-free soybean using CRISPR-Cas9 CRISPR
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Resilience-based retrofitting of existing urban RC-frame buildings using seismic isolation 被引量:13
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作者 Yang Cantian Xie Linlin +4 位作者 Li Aiqun Zeng Demin Jia Junbo Chen Xi Chen Min 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2020年第4期839-853,共15页
The improvement of the seismic resilience of existing reinforced-concrete(RC) frame buildings, which is essential for the seismic resilience of a city, has become a critical issue. Although seismic isolation is an eff... The improvement of the seismic resilience of existing reinforced-concrete(RC) frame buildings, which is essential for the seismic resilience of a city, has become a critical issue. Although seismic isolation is an effective method for improving the resilient performance of such buildings, target-oriented quantitative improvements of the resilient performance of these buildings have been reported rarely. To address this gap, the seismic resilience of two existing RC frame buildings located in a high seismic intensity region of China were assessed based on the Chinese Standard for Seismic Resilience Assessment of Buildings. The critical engineering demand parameters(EDPs) affecting the seismic resilience of such buildings were identified. Subsequently, the seismic resilience of buildings retrofitted with different isolation schemes(i.e., yield ratios) were evaluated and compared, with emphasis on the relationships among yield ratios, EDPs, and levels of seismic resilience. Accordingly, to achieve the highest level of seismic resilience with respect to the Chinese standard, a yield ratio of 3% was recommended and successfully applied to the target-oriented design for the seismic-resilience improvement of an existing RC frame building. The research outcome can provide an important reference for the resilience-based retrofitting of existing RC frame buildings using seismic isolation in urban cities. 展开更多
关键词 existing urban RC frame building retrofitting using seismic isolation seismic resilience yield ratio
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Efficient generation of pink-fruited tomatoes using CRISPR/Cas9 system 被引量:24
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作者 Lei Deng Hang Wang +5 位作者 Chuanlong Sun Qian Li Hongling Jiang Minmin Du Chang-Bao Li Chuanyou Li 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2018年第1期51-54,共4页
Tomato (Solanum lycopersicum) is the leading vegetable crop worldwide and an essential component of a healthy diet (Lin et al., 2014; Du et al., 2017). Fruit color is regarded as one of the most important commercial t... Tomato (Solanum lycopersicum) is the leading vegetable crop worldwide and an essential component of a healthy diet (Lin et al., 2014; Du et al., 2017). Fruit color is regarded as one of the most important commercial traits in tomato (The Tomato Genome Consortium, 2012). Consumers in different regions have different color preferences. For example, European and American consumers prefer red tomatoes, while pink tomatoes are more pop- ular in Asia countries, particularly in China and Japan (Ballester et al., 2010; Lin et al., 2014). However, most of tomato breeding ma- terials are red-fruited, thus the generation of pink-fruited materials is very important for Asian tomato production. Metabolomics and genetics studies demonstrate that the pink trait results from the absence of yellow-colored flavonoid naringenin chalcone (NarCh) in the peels,and is controlled by the monogenic recessive yellow(y)lOCUS(Adato et a1..2009;Ballester et a1..2OLO). 展开更多
关键词 Efficient generation of pink-fruited tomatoes using CRISPR/Cas9 system CR
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