Genomic structure of the A mating-type locus in a bipolar basidiomycete, Pholiota nameko

被引：20
|
作者：
Ya, Ruirong
Tachikawa, Takashi [1 ]
Ishikawa, Mariko [1 ]
Mukaiyama, Hiroyuki [1 ]
Bao, Dapeng [1 ]
Aimi, Tadanori [1 ]
机构：
[1] Tottori Univ, Fac Agr, Tottori 6808553, Japan
来源：
MYCOLOGICAL RESEARCH | 2009年 / 113卷
关键词：
Bipolar; Homeodomain; Mating type; Mushroom; Tetrapolar; HOMEODOMAIN PROTEINS; SEXUAL DEVELOPMENT; RECEPTOR GENE; MUSHROOM; PHEROMONE; HETERODIMERIZATION; IDENTIFICATION; SPECIFICITIES; LOCALIZATION; EVOLUTION;
D O I：
10.1016/j.mycres.2008.11.002
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
In the bipolar basidiomycete, Pholiota nameko, the homeodomain protein, A4-hox1, located at the A mating-type locus, is known to regulate mating compatibility. In the present study, we investigated the genomic structure of the P. nameko A mating-type locus and its flanking region. A second homeodomain gene (A4-hox2) was discovered upstream of A4-hox1; this together with the conserved gene order around the A mating-type locus and their similar transcription direction were found in P. nameko, another bipolar mushroom, Coprinellus disseminatus, and two tetrapolar mushrooms, Coprinopsis cinerea and Laccaria bicolor. Analysis of the deduced protein sequences of the homeodomain protein genes from two strains of P. nameko show that the putative functional domains differ from those of the homeodomain proteins of the tetrapolar mushrooms, C. cinerea and L. bicolor. Crown Copyright (C) 2008 Published by Elsevier Ltd on behalf of The British Mycological Society. All rights reserved.
引用
收藏
页码：240 / 248
页数：9
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