The study of introgressive lines of Triticum aestivum x Aegilops speltoides by in situ and SSR analyses

被引：21

作者：

Adonina, IG ^{[1
]}

Salina, EA ^{[1
]}

Efremova, TT ^{[1
]}

Pshenichnikova, TA ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Cytol & Genet, Novosibirsk 630090, Russia

来源：

PLANT BREEDING | 2004年 / 123卷 / 03期

关键词：

Aegilops speltoides; Triticum aestivum; anthocyanin pigmentation; FISH; Spelt1 subtelomeric repeat; SSR; substitution lines;

D O I：

10.1111/j.1439-0523.2004.00932.x

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Fluorescence in situ hybridization (FISH) with a genome-specific repeat, Spelt1, and wheat simple sequence repeat (SSR) markers were used to analyse the chromosome constitution of two Triticum aestivum x Aegilops speltoides introgressive lines. The lines 170/98i and 178/98i carried one and two subtelomeric regions of Ae. speltoides (per haploid genome), respectively, marked by Spelt1 repeats according to FISH data. SSR analysis detected homoeologous substitution of wheat chromosome 7D with Ae. speltoides chromosome 7S in the lines 178/98i and 170/98i as well as the assumed terminal translocation in the short arm of chromosome 3A in the line 178/98i. Anthocyanin pigmentation of the coleoptiles was found in the lines 170/98i and 178/98i and resulted from the 7S (7D) substitution. It was demonstrated that Spelt1 could be effectively used for the rapid identification (without DNA isolation) of terminal translocations of T. aestivum x Ae. speltoides introgressive lines as well as for further analysis of the stability of the hybrid plants.

引用

页码：220 / 224

页数：5

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