检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:R.S.Bhat K.Shirasawa S.S.Gangurde M.G.Rashmi K.Sahana M.K.Pandey
机构地区:[1]Department of Biotechnology,University of Agricultural Sciences,Dharwad,580005,India [2]Department of Frontier Research and Development,Kazusa DNA Research Institute,Chiba,292-0818,Japan [3]Department of Plant Pathology,University of Georgia,Tifton,GA,31794,USA [4]International Crops Research Institute for the Semi-Arid Tropics(ICRISAT),Patancheru,Hyderabad,502324,India
出 处:《Crop Design》2023年第1期42-48,共7页作物设计(英文)
摘 要:Distribution and structural features of genes,repeat elements and transposable elements(TEs)were studied to identify the genomic differences between the two subspecies(ssp.hypogaea and ssp.fastigiata)of peanut(Arachis hypogaea L.).A total of 67128 predicted genes,2738666 copies of TEs and 162361 tandem repeats from the reference genome of Tifrunner were employed for this study.Of the 67128 genes,33622 were reading on the plus strand,while 33506 were traced on the minus strand.Though B03 had the highest number of genes(4524),A08 recorded the highest density(53 genes/Mb)of genes in the genome.Telomeric regions had the highest density of genes.The average length of the genes was 3971 bp with majority of the genes(39228)containing one to five exons.The gene Arahy.11.0DU9MH had the insertion of 28 different types of TEs,and was the longest gene in the peanut genome.A total of 15731 genes were monomorphic in terms of SNPs across 179 accessions,while 7401 genes showed polymorphism at one nucleotide,indicating very low allelic variation at these genes.Remaining 66%of the genes had two or more SNPs,and therefore showed relatively high allelic variation.Among the 101 unique types of TEs,the Retro elements(869279)followed by CACTA(272596)and Mu(250248)TEs were most predominant.Telomeric regions showed less density of TEs than the regions.On an average,each gene contained 1.8 copies of TEs,and 35706 genes did not have the insertion of any TEs.A QTL-Seq approach could identify 186 SNPs and 26 gene differences between the two subspecies of A.hypogaea.Two of the 26 genes showed allelic variation in terms of SNPs and TEs.
关 键 词:Genes Repeat elements Transposable elements Distribution Structural and functional features Evolution PEANUT
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.38