DETECTION OF INTERCHROMOSOMAL TRANSLOCATIONS WITHIN THE TRITICEAE BY RFLP ANALYSIS

被引：40

作者：

KING, IP ^{[1
]}

PURDIE, KA ^{[1
]}

LIU, CJ ^{[1
]}

READER, SM ^{[1
]}

PITTAWAY, TS ^{[1
]}

ORFORD, SE ^{[1
]}

MILLER, TE ^{[1
]}

机构：

[1] JOHN INNES CTR,NORWICH NR4 7UJ,NORFOLK,ENGLAND

来源：

GENOME | 1994年 / 37卷 / 05期

关键词：

WHEAT/ALIEN ADDITION AND SUBSTITUTION LINES; RFLPS; TRANSLOCATIONS; WHEAT/ALIEN INTROGRESSION; TRITICEAE; EVOLUTION;

D O I：

10.1139/g94-125

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Twenty-three wheat/alien addition or substitution lines were screened using restriction fragment length polymorphisms for the presence or absence of 4/5 and 4/7 reciprocal translocations in the alien chromosomes. Such translocations have previously been identified in wheat and rye. Group 4 and group 5 Aegilops umbellulata, Triticum urartu, and Thinopyrum bessarabicum chromosomes were found to carry 4/5 translocations. Evidence for a 4/7 translocation was also found in Secale montanum. The presence of the 4/5 translocations in T. urartu indicates that the translocation predates the polyploidization of wheat. The implications of these results are discussed.

引用

页码：882 / 887

页数：6

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