A life history view of mutualistic viral symbioses: quantity or quality for cooperation?

被引：24

作者：

Bao, Xiaodong ^{[1
]}

Roossinck, Marilyn J. ^{[1
]}

机构：

[1] Penn State Univ, Ctr Infect Dis Dynam, Dept Plant Pathol & Environm Microbiol, University Pk, PA 16802 USA

来源：

CURRENT OPINION IN MICROBIOLOGY | 2013年 / 16卷 / 04期

基金：

美国国家科学基金会;

关键词：

VIRUS; MODEL; PLANT; EVOLUTION; PROPHAGE; ECOLOGY; DRIVEN; GENES;

D O I：

10.1016/j.mib.2013.05.007

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Mutualistic symbioses between viruses and their hosts do not employ a straightforward rule by viral genome characteristics, transmission mechanisms or host genotypes. In this review we propose that reproduction rates and environmental carrying capacity of hosts may play a major role in maintaining the mutualism. Depending on how host life history shifts following establishment of the symbiosis, a symbiosis can be classified as quality-selected mutualism or quantity-selected mutualism. Quality-selected mutualism is described with modified Lotka-Volterra models. Both our models and previous empirical examples support the hypothesis that quality-selected mutualism can reach stable equilibrium under certain conditions. Quantity-selected mutualism is rare and is not supported by our model. With increasing attention to mutualistic viral ecology, we will have a better understanding of how viruses drive evolution.

引用

页码：514 / 518

页数：5

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