Cytological studies of Agaricus brasiliensis

被引：13

作者：

Dias, Eustaquio Souza ^{[1
]}

Gontijo Labory, Claudia Regina ^{[1
]}

Silva Herrera, Karina Marjorie ^{[1
]}

Alves, Alexandre Alonso ^{[1
]}

Torres, Giovana Augusta ^{[1
]}

Rinker, Danny Lee ^{[2
]}

机构：

[1] Univ Fed Lavras, Dept Biol, BR-37200000 Lavras, MG, Brazil

[2] Univ Guelph, Dept Plant Agr, Vineland Stn, ON L0R 2E0, Canada

来源：

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 2008年 / 24卷 / 11期

关键词：

heterothallism; Agaricus blazei; Agaricus subrufescens; nuclear behavior; nuclei number; basidiospore number; life cycle;

D O I：

10.1007/s11274-008-9769-4

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：

Agaricus brasiliensis is a medicinal mushroom native to Brazil. It was first identified as Agaricus blazei and its scientific name continues to be debated. We examined the cytology of different Brazilian commercial strains of A. brasiliensis and the nuclear behavior of strain CS1 during basidiospore development using fluorescent microscopy. All strains have multinucleate hyphae and no significant differences in nuclei numbers were observed between them. Basidia from A. brasiliensis strain CS1 are typically tetrasporics and produce binucleate basidiospores, demonstrating that a postmeiotic mitosis occurs during basidiospore development. This result suggests that A. brasiliensis is primarily a heterothallic species.

引用

页码：2473 / 2479

页数：7

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