噬菌体生活史中的权衡。

Bacteriophage Pub Date : 2014-01-01 Epub Date: 2014-02-27 DOI:10.4161/bact.28365
Eric C Keen
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引用次数: 0

摘要

病毒是地球上最丰富的生物实体,然而大多数经典的进化生物学和生态学原理都没有考虑到病毒的存在。本文结合噬菌体生物学研究了生物权衡的概念,这是生命史理论的基本原则。具体来说,对噬菌体生命史的几个重要参数--复制、持久性、宿主范围和吸附性--进行了权衡评估。现有数据表明,复制率与持久性和宿主范围呈强烈的负相关,这表明在大型生物体中,后代产量与后代质量之间的权衡已得到充分证实,这种权衡也适用于噬菌体。病毒生命史中的生物权衡似乎对病毒进化、生态学和致病机理具有潜在的重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Tradeoffs in bacteriophage life histories.

Tradeoffs in bacteriophage life histories.

Tradeoffs in bacteriophage life histories.

Viruses are the most abundant biological entities on the planet, yet most classical principles of evolutionary biology and ecology were not developed with viruses in mind. Here, the concept of biological tradeoffs, a fundamental tenet of life history theory, is examined in the context of bacteriophage biology. Specifically, several important parameters of phage life histories-replication, persistence, host range, and adsorption-are evaluated for tradeoffs. Available data indicate that replication rate is strongly negatively correlated with both persistence and host range, suggesting that the well-documented tradeoff in macroorganisms between offspring production and offspring quality also applies to phages. The biological tradeoffs that appear to characterize viruses' life histories have potential importance for viral evolution, ecology, and pathogenesis.

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