Although the development of machine intelligence is far from simulating all the cognitive competence of our brains, still it is absolutely possible to peel the driving activity from people＇s cognitive activities and ...Although the development of machine intelligence is far from simulating all the cognitive competence of our brains, still it is absolutely possible to peel the driving activity from people＇s cognitive activities and then make the machine finish some low-level, complicated and lasting driving cognition by simulating our brains. The goal of driving is to replace drivers and free them from boring driving activities. Based on some studies on unmanned driving, this paper summarizes and analyzes the background, significance, research status and key technology of unmanned driving and the research group also introduces some research on brain cognition of driving and sensor placement of intelligent vehicles, which offers more meaningful reference to push the study of unmanned driving.展开更多
Hot pepper(Capsicum annuum L.)is consumed as one of the oldest domesticated crops all over the world.Although mutation breeding using radiation has been performed in hot peppers,little is known about the comparative a...Hot pepper(Capsicum annuum L.)is consumed as one of the oldest domesticated crops all over the world.Although mutation breeding using radiation has been performed in hot peppers,little is known about the comparative analysis of mutagenic effects at the molecular level by ion beam irradiation.To comprehend the response mechanism of hot pepper to the ion beam,we used a mutant with favorable economic characteristics induced by lithium-ion beam irradiation to investigate the biological effects.The results indicated that the lithium-ion beam had a positive effect on important agronomic traits,particularly yield unit,but had a negligible effect on the photosynthetic rate of hot pepper,with a specific influence on chlorophyll b rather than chlorophyll a.By RNA-Seq analysis,671 up-regulated and 376 down-regulated genes were identified as differentially expressed genes(DEGs)between irradiated and unirradiated hot pepper.Based on GO and KEGG network analysis,the auxin metabolic process was the common pathway in these two networks.A total of 118 potential reactive oxygen species(ROS)scavenging genes and 262 signal transduction genes were identified,suggesting a balance between antioxidant enzymes and enhanced ROS transduction.The amounts of 15 metabolite,involved in GABA pathways,secondary metabolism,carbohydrate metabolism,shikimate pathways,TCA cycles,nitrogen metabolism,glycerol metabolism and acetate pathways,were significantly changed in the ion beam irradiated sample.These results highlighted that the enriched pathways could play important roles in response to ion beam irradiation in hot pepper plants.In summary,these data provide valuable information for future research on ion beam irradiation and genomic studies in hot pepper.展开更多
Introduction:The epidemic of human anthrax is at a low level in China in recent years,but the reported incidence increased in 2021.In order to understand the current landscape of research and knowledge about anthrax i...Introduction:The epidemic of human anthrax is at a low level in China in recent years,but the reported incidence increased in 2021.In order to understand the current landscape of research and knowledge about anthrax in China,the epidemiological characteristics of anthrax in humans from 2018 to 2021 were analyzed and the prevention and control suggestions were proposed.Methods:Surveillance data of anthrax in humans and livestock,together with human outbreaks data during 2018-2021,were collected and analyzed by descriptive statistics methods.The number and proportion of outbreaks,cases and deaths by provincial-level administrative divisions(PLADs),clinical types,and contributing factors were calculated.Results:A total of 1,244 cases of human anthrax and 53 outbreaks were reported from 2018 to 2021 in China.While the incidence of anthrax declined from 2018 to 2020,it increased in 2021.The regions of anthrax were mainly located in the west and the northeast PLADs of China,though cases were reported in some central and eastern PLADs in 2021.Young and middle-aged men involved in animal husbandry were found to be at a higher risk of anthrax.All the reported outbreaks were associated with the exposure of infected livestock.A total of 296 livestock anthrax cases were reported.Conclusions:The increased incidence and wider geographical distribution of human anthrax in 2021 were found to be the result of inadequate supervision of diseased animals as well as updated diagnostic criteria.As such,the monitoring of risk factors and emergency preparation procedures should be strengthened at the national level.In addition,it is also critical to strengthen health education for high-risk occupational groups and strengthen professional training for local clinicians.Finally,more measures should be carried out to strengthen anthrax surveillance in livestock husbandry.展开更多
基金This work is supported by National Natural Science Foundation of China under Grant No. 61300006, No. 61305055, No. 61035004, No. 61273213, No. 61203366 and No. 90920305, and China National High-Tech Project （863） under grant No. 2015AA015401, and Chinese Academy of engineering consulting Project No. 2015-XY-42.
文摘Although the development of machine intelligence is far from simulating all the cognitive competence of our brains, still it is absolutely possible to peel the driving activity from people＇s cognitive activities and then make the machine finish some low-level, complicated and lasting driving cognition by simulating our brains. The goal of driving is to replace drivers and free them from boring driving activities. Based on some studies on unmanned driving, this paper summarizes and analyzes the background, significance, research status and key technology of unmanned driving and the research group also introduces some research on brain cognition of driving and sensor placement of intelligent vehicles, which offers more meaningful reference to push the study of unmanned driving.
基金supported by the China Atomic Energy Authority(Crop Varietal Improvement and Insect Pests Control by Nuclear Radiation)Key Technological Innovation Key Project of Agricultural Science and Technology Breakthrough in Heilongjiang Province-Breakthrough Variety Breeding and Industrial Application of Vegetables。
文摘Hot pepper(Capsicum annuum L.)is consumed as one of the oldest domesticated crops all over the world.Although mutation breeding using radiation has been performed in hot peppers,little is known about the comparative analysis of mutagenic effects at the molecular level by ion beam irradiation.To comprehend the response mechanism of hot pepper to the ion beam,we used a mutant with favorable economic characteristics induced by lithium-ion beam irradiation to investigate the biological effects.The results indicated that the lithium-ion beam had a positive effect on important agronomic traits,particularly yield unit,but had a negligible effect on the photosynthetic rate of hot pepper,with a specific influence on chlorophyll b rather than chlorophyll a.By RNA-Seq analysis,671 up-regulated and 376 down-regulated genes were identified as differentially expressed genes(DEGs)between irradiated and unirradiated hot pepper.Based on GO and KEGG network analysis,the auxin metabolic process was the common pathway in these two networks.A total of 118 potential reactive oxygen species(ROS)scavenging genes and 262 signal transduction genes were identified,suggesting a balance between antioxidant enzymes and enhanced ROS transduction.The amounts of 15 metabolite,involved in GABA pathways,secondary metabolism,carbohydrate metabolism,shikimate pathways,TCA cycles,nitrogen metabolism,glycerol metabolism and acetate pathways,were significantly changed in the ion beam irradiated sample.These results highlighted that the enriched pathways could play important roles in response to ion beam irradiation in hot pepper plants.In summary,these data provide valuable information for future research on ion beam irradiation and genomic studies in hot pepper.
基金Supported by the Key Bio-safety Research and Development Technology Project(2021YFC1200200).
文摘Introduction:The epidemic of human anthrax is at a low level in China in recent years,but the reported incidence increased in 2021.In order to understand the current landscape of research and knowledge about anthrax in China,the epidemiological characteristics of anthrax in humans from 2018 to 2021 were analyzed and the prevention and control suggestions were proposed.Methods:Surveillance data of anthrax in humans and livestock,together with human outbreaks data during 2018-2021,were collected and analyzed by descriptive statistics methods.The number and proportion of outbreaks,cases and deaths by provincial-level administrative divisions(PLADs),clinical types,and contributing factors were calculated.Results:A total of 1,244 cases of human anthrax and 53 outbreaks were reported from 2018 to 2021 in China.While the incidence of anthrax declined from 2018 to 2020,it increased in 2021.The regions of anthrax were mainly located in the west and the northeast PLADs of China,though cases were reported in some central and eastern PLADs in 2021.Young and middle-aged men involved in animal husbandry were found to be at a higher risk of anthrax.All the reported outbreaks were associated with the exposure of infected livestock.A total of 296 livestock anthrax cases were reported.Conclusions:The increased incidence and wider geographical distribution of human anthrax in 2021 were found to be the result of inadequate supervision of diseased animals as well as updated diagnostic criteria.As such,the monitoring of risk factors and emergency preparation procedures should be strengthened at the national level.In addition,it is also critical to strengthen health education for high-risk occupational groups and strengthen professional training for local clinicians.Finally,more measures should be carried out to strengthen anthrax surveillance in livestock husbandry.
