Phylogenetic analysis of the species with awnless lemma in Roegneria (Poaceae, Triticeae) based on single copy of nuclear gene DMC1

被引：6
|
作者：
Lei, Ying-Xia [1 ]
Zhang, Yan [3 ]
Li, Yang-yi [3 ]
Fan, Xing [1 ,2 ]
Sha, Li-Na [1 ,2 ]
Wang, Yi [1 ,2 ]
Kang, Hou-Yang [1 ,2 ]
Zhou, Yong-Hong [1 ,2 ]
Zhang, Hai-Qin [1 ,2 ]
机构：
[1] Sichuan Agr Univ, Triticeae Res Inst, Wenjiang 611130, Sichuan, Peoples R China
[2] Sichuan Agr Univ, Key Lab Crop Genet Resources & Improvement, Minist Educ, Yaan 625014, Sichuan, Peoples R China
[3] Sichuan Agr Univ, Coll Life Sci, Yaan 625014, Sichuan, Peoples R China
来源：
BIOCHEMICAL SYSTEMATICS AND ECOLOGY | 2016年 / 65卷
基金：
中国国家自然科学基金;
关键词：
Roegneria; DMC1; Awnless lemmas; Phylogeny; Thiticeae; INTERNAL TRANSCRIBED SPACER; MULTIPLE ORIGINS; ELYMUS POACEAE; SENSU-LATO; Y-GENOME; EVOLUTION; MODEL; RPB2; ACC1;
D O I：
10.1016/j.bse.2016.02.021
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
To investigate the phylogenetic relationships among species with awnless lemmas in Roegneria and their related diploid genera, the possible genomic constitution and genome donor of species with awnless lemmas in Roegneria, phylogenetic analyses of disrupted meiotic cDNA (DMC1) sequences were investigated in this study. The results showed that: (1) Roegneria alashanica-1 grouped with the Y-type sequences and Roegneria alashanica-2 grouped with the St-type sequences, confirming that Roegneria alashanica has the StY genomes. (2) Roegneria grandis-1 grouped with the Y-type sequences and Roegneria grandis-2 grouped with the St-type sequences, confirming that Roegneria grandis has the SOY genomes, where the St genome from R. grandis is different from the St genome but is homologous with the Y genome. (3) Two Roegneria elytrigioides sequences grouped with the St-type sequences, confirming that Roegneria elytrigioides has the St(1)St(2) genomes and should therefore be classified as Pseudoroegneria elytrigioides. (4) We prefer the suggestion that the Y genome is closely related to the St genome, however, the data do not certify that the St and Y genomes have the same origin. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：185 / 191
页数：7
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