Xizang,previously known as Tibet,is located in the southwest region of China and is the highest region of the Qinghai-Tibet Plateau(QzP),with an average altitude of over 4000 m.With the development of modern agricultu...Xizang,previously known as Tibet,is located in the southwest region of China and is the highest region of the Qinghai-Tibet Plateau(QzP),with an average altitude of over 4000 m.With the development of modern agriculture,the grain productivity in Xizang has been effectively improved.The total annual grain production has increased from 558,700 tons in 1988 to 1044,000 tons in 2018(Xizang Statistical Year Book).展开更多
Dear Editor,The characteristics and importance of the whitefly Bemisia tabaci as an economic pest seem to continually get more and more attention.Among the whiteflies B.tabaci including,at least 11 genetic groups and ...Dear Editor,The characteristics and importance of the whitefly Bemisia tabaci as an economic pest seem to continually get more and more attention.Among the whiteflies B.tabaci including,at least 11 genetic groups and 36 morphologically indistinguishable cryptic species,invasive MEAMl(Middle East-Asia Minor 1,"B"type)and MED(the Mediterranean,"Q"type)are the 2 most destructive cryptic species of the B.展开更多
Wild relatives of crop are key genetic resources serving as diversity reservoirs for crop improvement under changing environments.Rice(Oryza sativa)is one of the most important crops in the world,providing staple food...Wild relatives of crop are key genetic resources serving as diversity reservoirs for crop improvement under changing environments.Rice(Oryza sativa)is one of the most important crops in the world,providing staple food for half of the world's population.Wild rice is thus a critical germplasm resource for sustained global food security,ensuring high production yields,improved quality,and stress resistance in the face of climate change.Wild rice is closely related to domesticated rice and has a rich genetic diversity and exceptional adaptability to extreme environments.It has played a pivotal role in the history of rice hybridization and has become a key resource for rice breeding programs.The identification of wild-type cytoplasmic male sterility resources paved the way for the achievement of the“three lines”goal in hybrid rice,leading to a significant increase in rice yields.In addition,the use of resistance alleles found in wild rice is making rice production more resilient to losses caused by environmental stresses.However,wild rice germplasm resources are threatened due to habitat destruction and other anthropogenic factors.At the same time,the lack of centralized distribution of wild rice has hampered the sharing of basic information on wild rice resources and the utilization and conservation of wild rice in each country,as well as collaboration among scientists.展开更多
基金funded by the Heilongjiang Key Research and Development Program(2022ZX02B03)the Talent Program of Xizang Department of Science and Technology(2020Wz002)+1 种基金Science and Technology Service Network Initiative,Chengdu Branch,Chinese Academy of Sciences(KFJ-STS-QYZD-2021-22-005)the 2nd Tibetan Plateau Scientific Expedition Program(2019QZKK0502030402).
文摘Xizang,previously known as Tibet,is located in the southwest region of China and is the highest region of the Qinghai-Tibet Plateau(QzP),with an average altitude of over 4000 m.With the development of modern agriculture,the grain productivity in Xizang has been effectively improved.The total annual grain production has increased from 558,700 tons in 1988 to 1044,000 tons in 2018(Xizang Statistical Year Book).
基金The authors would like to thank Dr.Zhangjun Fei(Boyce Thompson Institute,USA)for computational support and comments on an earlier draft.This research was supported by the National Key R&D Program of China(2022YFD1400800)National Natural Science Foundation of China(32272534 and 32161143020)+5 种基金the Hainan Major Science and Technology Project(ZDKJ2021007)the Beijing Key Laboratory for Pest Control and Sustainable Cultivation of Vegetables and the Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences(CAAS-ASTIP-IVFCAAS)The funders had no role in study design,data collection and analysis,decision to publish,or preparation of the manuscript.Data Availability Statement This Whole Genome Shotgun project(Bemisia tabaci MED,Asial,Asialll,AsialI6,and AsialI7)has been deposited at DDBJ/ENA/GenBank under accession VMOE00000000,VMEI00000000,VMEH00000000,VMEG00000000,and VLTD00000000,respectively.Raw sequences including Illumina,PacBio,Hi-C,and RNA-seq reads have been deposited in the NCBI SRA)under accessions SRR11649531-SRR11649533(MED)SRR11692174-SRR11692176(Asial),SRR11613039-SRR11613041(AsiaII1)SRR11609251-SRR11609253(Asiall6)SRR11609258-SRR11609260(Asial7).The genome and predicted gene sequences of all available whitefly genomes are also available via the Whitefly Genome Database(WF-DB,http:/82.157.25.63/whitefly/homepage.php).
文摘Dear Editor,The characteristics and importance of the whitefly Bemisia tabaci as an economic pest seem to continually get more and more attention.Among the whiteflies B.tabaci including,at least 11 genetic groups and 36 morphologically indistinguishable cryptic species,invasive MEAMl(Middle East-Asia Minor 1,"B"type)and MED(the Mediterranean,"Q"type)are the 2 most destructive cryptic species of the B.
文摘Wild relatives of crop are key genetic resources serving as diversity reservoirs for crop improvement under changing environments.Rice(Oryza sativa)is one of the most important crops in the world,providing staple food for half of the world's population.Wild rice is thus a critical germplasm resource for sustained global food security,ensuring high production yields,improved quality,and stress resistance in the face of climate change.Wild rice is closely related to domesticated rice and has a rich genetic diversity and exceptional adaptability to extreme environments.It has played a pivotal role in the history of rice hybridization and has become a key resource for rice breeding programs.The identification of wild-type cytoplasmic male sterility resources paved the way for the achievement of the“three lines”goal in hybrid rice,leading to a significant increase in rice yields.In addition,the use of resistance alleles found in wild rice is making rice production more resilient to losses caused by environmental stresses.However,wild rice germplasm resources are threatened due to habitat destruction and other anthropogenic factors.At the same time,the lack of centralized distribution of wild rice has hampered the sharing of basic information on wild rice resources and the utilization and conservation of wild rice in each country,as well as collaboration among scientists.
