文献类型: 外文期刊
作者: Zhang DongLing 1 ; Zhang HongLiang 2 ; Wei XingHua 2 ; Qi YongWen 3 ; Wang MeiXing; Sun JunLi; Ding Li; Tang She 1 ;
作者机构: 1.China Agr Univ, Key Lab Crop Genom & Genet Improvement, Minist Agr, Key Lab Heterosis & Utilizat, Beijing 100094, Peoples R China
2.China Agr Univ, Key Lab Crop Genom & Genet Improvement, Minist Agr, Key Lab Heterosis & Utilizat, Beijing 100094, Peoples R China; China Agr Univ, Beijing Lab Crop Genet Improvement, Beijing 100094, Peoples R China; China Natl Rice Res Inst, Hangzhou 310006, Peoples R China; Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China
3.China Agr Univ, Key Lab Crop Genom & Genet Improvement, Minist Agr, Key Lab Heterosis & Utilizat, Beijing 100094, Peoples R China; China Agr Univ, Beijing Lab Crop Genet Improvement, Beijing 100094, Pe
关键词: Guizhou Province;Asian cultivated rice (Oryza sativa L.);phenotypic characters;microsatellites;genetic structure;genetic diversity
期刊名称:CHINESE SCIENCE BULLETIN ( 影响因子:1.649; 五年影响因子:1.738 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Preserving many kinds of rice resources and rich variations, Guizhou Province is one of the districts with the highest genetic diversity of cultivated rice (Oryza sativa L.) in China. In the current research, genetic diversity and structure of 537 accessions of cultivated rice from Guizhou were studied using 36 microsatellite markers and 39 phenotypic characters. The results showed that the model-based genetic structure was the same as genetic-distance-based one using SSRs but somewhat different from the documented classification (mainly based on phenotype) of two subspecies. The accessions being classified into indica by phenotype but japonica by genetic structure were much more than that being classified into japonica by phenotype but indica by genetic structure. Like Ding Ying's taxonomic system of cultivated rice, the subspecific differentiation was the most distinct differentiation within cultivated rice. But the differentiation within indica or japonica population was different: japonica presented clearer differentiation between soil-watery ecotypes than indica, and indica presented clearer differentiation between seasonal ecotypes than japonica. Cultivated rices in Guizhou revealed high genetic diversity at both DNA and phenotypic levels. Possessing the highest genetic diversity and all the necessary conditions as a center of genetic diversity, region Southwestern of Guizhou was suggested as the center of genetic diversity of O. sativa L. from Guizhou.
- 相关文献
作者其他论文 更多>>
-
Genetic Variation Dissection of Rice Blast Resistance Using an Indica Population
作者:Zhang Mengchen;Yuan Xiaoping;Wang Caihong;Wang Shan;Niu Xiaojun;Xu Xin;Xu Qun;Feng Yue;Yu Hanyong;Wang Yiping;Zhu Zhiwei;Yang Yaolong;Wei Xinghua;Wei Zhonghua;Zhari Rongrong
关键词:
-
Classification and Identification of indica P/TGMS Lines in China
作者:Zhang Mengchen;Wang Shan;Sun Shuiyong;Xu Xin;Xu Qun;Yuan Xiaoping;Wei Xinghua;Yang Yaolong;Yan Jianfang
关键词:
-
Levels of Crotonaldehyde and 4-hydroxy-(E)-2-nonenal and Expression of Genes Encoding Carbonyl-Scavenging Enzyme at Critical Node During Rice Seed Aging
作者:Fu Shenzao;Wei Xinghua;Fu Shenzao;Yin Guangkun;Xin Xia;Wu Shuhua;Lu Xinxiong
关键词:carbonyl-scavenging system; reactive carbonyl species; seed aging; crotonaldehyde; critical node; rice storage
-
Genetic structure and eco-geographical differentiation of cultivated Hsien rice (Oryza sativa L. subsp indica) in China revealed by microsatellites
作者:Zhang DongLing;Zhang HongLiang;Qi YongWen;Wang MeiXing;Sun JunLi;Li ZiChao;Zhang DongLing;Zhang HongLiang;Qi YongWen;Wang MeiXing;Sun JunLi;Li ZiChao;Ding Li
关键词:population structure;indica;SSR
-
Geographical genetic diversity and divergence of common wild rice (O-rufipogon Griff.) in China
作者:Zhang HongLiang;Zhang DongLing;Qi YongWen;Sun JunLi;Li ZiChao;Pan DaJian;Fan ZhiLan;Li Chen;Li DaoYuan;Yang QingWen;Wang MeiXing
关键词:genetic divergence;genetic distance;geographic separation;geographical genetic diversity
-
Genetic diversity in Chinese modern wheat varieties revealed by microsatellite markers
作者:Hao Chenyang;Wang Lanfen;Zhang Xueyong;You Guangxia;Dong Yushen;Jia Jizeng;Liu Xu;Shang Xunwu;Liu Sancai;Cao Yongsheng
关键词:wheat;microsatellite markers;genetic diversity



