The assessment of water security is an important content in the security management of water resources due to the fact that the state of water security directly affects both the sustainable development of regional eco...The assessment of water security is an important content in the security management of water resources due to the fact that the state of water security directly affects both the sustainable development of regional economy and the improvement on the living quality of mankind.Grey associative analysis is introduced and applied to assessment of water security on the basis of grey characteristics of the assessment index system of water security.As a case study shows,grey associative analysis is used for evaluating water security of some provinces in China,and the satisfactory assessment results are obtained.The sequence of provinces in China with regard to water security from good to poor is obtained and,moreover,the water security level of each region is also confirmed.The results obtained accord with the actual state of each region.They are of practical significance and can be used to guide the management of regional water security and a sustainable development of the economy therein.At the same time,the results demonstrate that grey associative analysis provides a new method for assessing water security quantitatively but needs a further study.展开更多
The Chinese soft-shelled turtle(Pelodiscus sinensis)exhibits sexual dimorphism.Compared with females,males are considered to have higher economic value due to their accelerated growth,greater body mass,and longer skir...The Chinese soft-shelled turtle(Pelodiscus sinensis)exhibits sexual dimorphism.Compared with females,males are considered to have higher economic value due to their accelerated growth,greater body mass,and longer skirt width.Studies focused on these sex disparities have largely neglected potential sex differences in growth.Here,we performed RNA sequencing of muscle tissue components from 1-year-old specimens to reveal gene expression patterns in P.sinensis.In our male and female cohorts,our analysis revealed,respectively,388 and 526 upregulated differentially expressed genes(DEGs)and 1129 and 635 downregulated DEGs.Through weighted coexpression network analysis(WGCNA)and integration with phenotype data,we established two main gene modules:a light yellow module encompassing 191 genes(e.g.,ACACB,CTH,HADHA,and CTNNB)that demonstrated a positive correlation with population traits,and a black module comprising 298 genes(e.g.,CAV3,PIK3CD,SMAD3,and VEGFA)that demonstrated a negative correlation with population traits.We also performed a DEG evaluation and gene set enrichment analysis across individuals of different sizes and noted that pathways such as protein digestion and assimilation(ko04974),were substantially augmented in larger specimens.In these pathways,the collagen(COL)and solute carrier(SLC)gene families were noted to be crucial for sustaining body structure and facilitating nutrient and metabolite transportation.In conclusion,we elucidated the essential modules,pivotal genes,and pathways involved in gene expression differences among various P.sinensis size groupings.Our results provide novel insights for future studies on growth discrepancies in P.sinensis.展开更多
基金This project is supported by the Hubei Key Laboratory Hydropower Construction and Management Project,China Three Gorges University,and Center of China Central Economic Development in Nanchang University
文摘The assessment of water security is an important content in the security management of water resources due to the fact that the state of water security directly affects both the sustainable development of regional economy and the improvement on the living quality of mankind.Grey associative analysis is introduced and applied to assessment of water security on the basis of grey characteristics of the assessment index system of water security.As a case study shows,grey associative analysis is used for evaluating water security of some provinces in China,and the satisfactory assessment results are obtained.The sequence of provinces in China with regard to water security from good to poor is obtained and,moreover,the water security level of each region is also confirmed.The results obtained accord with the actual state of each region.They are of practical significance and can be used to guide the management of regional water security and a sustainable development of the economy therein.At the same time,the results demonstrate that grey associative analysis provides a new method for assessing water security quantitatively but needs a further study.
基金supported by the National Natural Science Foundation of China(32302992)the Central Public-Interest Scientific Institution Basal Research Fund+1 种基金CAFS(No.2023TD36 and YFI202406)the National Freshwater Aquatic Germplasm Resource Center(FGRC18537).
文摘The Chinese soft-shelled turtle(Pelodiscus sinensis)exhibits sexual dimorphism.Compared with females,males are considered to have higher economic value due to their accelerated growth,greater body mass,and longer skirt width.Studies focused on these sex disparities have largely neglected potential sex differences in growth.Here,we performed RNA sequencing of muscle tissue components from 1-year-old specimens to reveal gene expression patterns in P.sinensis.In our male and female cohorts,our analysis revealed,respectively,388 and 526 upregulated differentially expressed genes(DEGs)and 1129 and 635 downregulated DEGs.Through weighted coexpression network analysis(WGCNA)and integration with phenotype data,we established two main gene modules:a light yellow module encompassing 191 genes(e.g.,ACACB,CTH,HADHA,and CTNNB)that demonstrated a positive correlation with population traits,and a black module comprising 298 genes(e.g.,CAV3,PIK3CD,SMAD3,and VEGFA)that demonstrated a negative correlation with population traits.We also performed a DEG evaluation and gene set enrichment analysis across individuals of different sizes and noted that pathways such as protein digestion and assimilation(ko04974),were substantially augmented in larger specimens.In these pathways,the collagen(COL)and solute carrier(SLC)gene families were noted to be crucial for sustaining body structure and facilitating nutrient and metabolite transportation.In conclusion,we elucidated the essential modules,pivotal genes,and pathways involved in gene expression differences among various P.sinensis size groupings.Our results provide novel insights for future studies on growth discrepancies in P.sinensis.