Puroindoline genes are highly conserved in diploid ancestor wheats and related species but absent in tetraploid Triticum species

被引：144

作者：

Gautier, MF ^{[1
]}

Cosson, P ^{[1
]}

Guirao, A ^{[1
]}

Alary, R ^{[1
]}

Joudrier, P ^{[1
]}

机构：

[1] INRA, Unite Biochim & Biol Mol Cereales, F-34060 Montpellier 01, France

来源：

PLANT SCIENCE | 2000年 / 153卷 / 01期

关键词：

puroindoline; Triticum aestivum; ancestor wheats; cereals; genetic variability; Triticeae evolution;

D O I：

10.1016/S0168-9452(99)00258-7

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：

Using a PCR approach, we showed that puroindoline genes are present in diploid and hexaploid Triticum species but absent in tetraploid species, and that T. tauschii is likely to be the donor of the T. aestivum? puroindoline genes. Puroindoline-like genes are present in cereals closely related to wheat (barley, oat and rye) and absent in cereals more distantly related to wheat (maize, rice and sorghum). Barley, oat and rye puroindoline-like sequences and primary structure of deduced proteins are highly conserved. In oat, avenoindolines are more closely related to puroindolines than to tryptophanins. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.

引用

页码：81 / 91

页数：11

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