Genetic polymorphism of cyanobacteria under permanent natural stress: A lesson from the "Evolution Canyons"

被引：10

作者：

Dvornyk, V ^{[1
]}

Nevo, E ^{[1
]}

机构：

[1] Univ Haifa, Inst Evolut, IL-31905 Haifa, Israel

来源：

RESEARCH IN MICROBIOLOGY | 2003年 / 154卷 / 02期

关键词：

stress; polymorphism; cyanobacteria; Nostoc linckia; Evolution canyon;

D O I：

10.1016/S0923-2508(02)00015-3

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Cyanobacteria have high adaptive potential and occur in the most extreme habitats. The available literature data indicate that the versatility of cyanobacteria is related to their higher polymorphism under stress. The studies of a filamentous cyanobacterium, Nostoc linckia, from the ecological microsite models known as "Evolution Canyons" showed that, among the evolutionary forces maintaining the higher polymorphism and genome diversity under permanent natural stress, the various types of natural selection play a key role. (C) 2003 Editions scientifiques et medicates Elsevier SAS. All rights reserved.

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页码：79 / 84

页数：6

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