DETECTION OF HOMOEOLOGOUS CHIASMA FORMATION IN TRITICUM-DURUM X THINOPYRUM-BESSARABICUM HYBRIDS USING GENOMIC IN-SITU HYBRIDIZATION

被引：34

作者：

KING, IP

PURDIE, KA

ORFORD, SE

READER, SM

MILLER, TE

机构：

[1] Cambridge Laboratory, JI Centre, Norwich, NR4 7UJ, Colney Lane

来源：

HEREDITY | 1993年 / 71卷

关键词：

GENOMIC IN-SITU HYBRIDIZATION; HOMOEOLOGOUS RECOMBINATION; THINOPYRUM-BESSARABICUM; TRITICUM-DURUM;

D O I：

10.1038/hdy.1993.151

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Genomic in situ hybridization (GISH) was used to study the nature of homoeologous chiasma formation in crosses between Triticum durum cv. Creso, homozygous for the ph1c mutation and Thinopyrum bessarabicum. The relative frequencies of wheat/wheat and wheat/Th. bessarabicum chiasma formation were determined. Pairing between apparently non-homologous Th. bessarabicum chromosomes was also observed. The potential of GISH as a tool for analysing homoeologous chiasma formation in wheat/alien hybrids is discussed.

引用

页码：369 / 372

页数：4

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