Characterization of the trnL-trnF Spacer sequence of the chloroplast tRNA genes in Spirodela species

被引：4
|
作者：
Ryzhova, N. N.
Martyrosian, L. V.
Kolganova, T. V.
Goryunova, S. V.
Kochieva, E. Z.
机构：
[1] Russian Acad Sci, Ctr Bioinzheneriya, Moscow 117312, Russia
[2] KA Timiryazev Agr Acad, Moscow 127550, Russia
来源：
MOLECULAR BIOLOGY | 2006年 / 40卷 / 06期
关键词：
Spirodela polyrrhiza; tRNA gene spacer; chloroplast DNA; intraspecific polymorphism;
D O I：
10.1134/S0026893306060070
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：
The trnL-trnF spacer region of the chloroplast tRNA genes was sequenced and characterized in 14 accessions of the genus Spirodela (Lemnaceae). Only a low intraspecific variation of the spacer was observed in geographically isolated and morphologically different accessions of S. polyrrhiza, the most widespread Spirodela species. Five haplotypes of the spacer were identified, differing in mono- and oligonucleotide repeats and extended indels, specific to S. polyrrhiza, Landoltia punctata, and Lemna sp. The result supported the isolation of Landoltia from Spirodela.
引用
收藏
页码：891 / 896
页数：6
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