基于叶绿体atpB-rbcL序列探讨猬草属和赖草属植物的系统发育和母系起源

草业学报 ›› 2012, Vol. 21 ›› Issue (5): 77-85.

基于叶绿体atpB-rbcL序列探讨猬草属和赖草属植物的系统发育和母系起源

刘静^1,2,张海琴¹,凡星¹,沙莉娜¹,曾建³,周永红^1,4*

1.四川农业大学成都校区小麦研究所,四川成都611130;
2.四川农业大学生命科学与理学院,四川雅安625014;
3.四川农业大学成都校区资源与环境学院,四川成都611130;
4.四川农业大学作物基因资源与遗传改良教育部重点实验室,四川成都611130

收稿日期:2011-09-22 出版日期:2012-05-25 发布日期:2012-10-20
通讯作者: E-mail:zhouyh@sicau.edu.cn
作者简介:刘静(1978-),女,四川成都人,在读博士,讲师。E-mail:liuj000@sicau.edu.cn
基金资助:
国家自然科学基金(30870154,30901052,30900087),农业部公益性行业专项(201003021)和四川省教育厅和科技厅重点项目资助。

Phylogenetic relationships and maternal donor of Hystrix and Leymus species as revealed by chloroplast atpB-rbcL sequences

LIU Jing^1,2, ZHANG Hai-qin¹, FAN Xing¹, SHA Li-na¹, ZENG Jian³, ZHOU Yong-hong^1,4

1.Triticeae Research Institute, Sichuan Agricultural University, Chengdu 611130, China;
2.College of Biology and Science, Sichuan Agricultural University, Ya’an 625014, China;
3.College of Resources and Environment, Sichuan Agricultural University, Chengdu 611130, China;
4.Key Laboratory of Crop Genetic Resources and Improvement, Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China

Received:2011-09-22 Online:2012-05-25 Published:2012-10-20

摘要/Abstract

摘要： 对小麦族猬草属、赖草属(NsXm)、披碱草属(StH)及含不同染色体组(St、H、Ns、E^b、E^e、P、F 、V、W)的近缘二倍体属共46个类群的叶绿体基因间隔区atpB-rbcL序列进行系统发育分析,探讨猬草属和赖草属植物系统发育关系及母系起源。结果显示,1)猬草属模式种H. patula与拟鹅观草属和披碱草属物种聚为一支,表明H. patula与披碱草属植物亲缘关系近,其母本来源为含St染色体组的拟鹅观草属物种;2)猬草、长芒猬草、4个新麦草属物种及滨麦和所有欧亚分布的赖草属物种聚在一支,说明猬草、长芒猬草与欧亚赖草亲缘关系较近,其母本供体来自含Ns染色体组的新麦草属物种;3)高丽猬草和东北猬草与北美赖草及冰草属、旱麦草属、大麦属物种处于同一分支,表明高丽猬草和东北猬草与北美赖草具有较近亲缘关系,其母本供体为未知来源的Xm染色体组。研究结果支持将H. patula组合到披碱草属中,猬草、长芒猬草、高丽猬草和东北猬草应组合到赖草属中。

Abstract: The phylogenetic relationships and maternal donor of species in the genera Hystrix and Leymus were investigated by analysing the chloroplast atpB-rbcL sequences for five taxa of Hystrix, 22 species of Leymus (NsXm), together with two species of Elymus (StH) and 17 related diploid species from 8 genera. Maximum Parsimony (MP) and Bayesian Inference (BI) were used for phylogenetic analysis. 1) H. patula was closely related to Elymus, and the maternal donor of H. patula was the St genome; 2) H. duthiei and H. duthiei ssp. longearistata were closely related to the Eurasia Leymus, and the maternal donors of them were the Ns genome from Psathyrostachys; 3) H. coreana and H. komarovii were closely related to the Leymus species in North America, and their maternal donors could be the Xm genome. Thus, it is reasonable to transfer H. patula from Hystrix to Elymus, and to combine H. duthiei, H. duthiei ssp. longearistata, H. coreana, and H. komarovii into Leymus.

中图分类号:

Q945.4

刘静,张海琴,凡星,沙莉娜,曾建,周永红. 基于叶绿体atpB-rbcL序列探讨猬草属和赖草属植物的系统发育和母系起源[J]. 草业学报, 2012, 21(5): 77-85.

LIU Jing, ZHANG Hai-qin, FAN Xing, SHA Li-na, ZENG Jian, ZHOU Yong-hong. Phylogenetic relationships and maternal donor of Hystrix and Leymus species as revealed by chloroplast atpB-rbcL sequences[J]. Acta Prataculturae Sinica, 2012, 21(5): 77-85.

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