Cheater-resistance is not futile

被引：53

作者：

Khare, Anupama ^{[1
]}

Santorelli, Lorenzo A. ^{[1
,2
]}

Strassmann, Joan E. ^{[2
]}

Queller, David C. ^{[2
]}

Kuspa, Adam ^{[1
,2
,3
]}

Shaulsky, Gad ^{[1
,2
]}

机构：

[1] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA

[2] Rice Univ, Dept Ecol & Evolutionary Biol, Houston, TX 77005 USA

[3] Baylor Coll Med, Dept Biochem & Mol Biol, Houston, TX 77030 USA

来源：

NATURE | 2009年 / 461卷 / 7266期

基金：

美国国家科学基金会;

关键词：

DICTYOSTELIUM-DISCOIDEUM; SOCIAL AMEBA; COOPERATION; DNA; EVOLUTION; SOCIETIES; RESPONSES; MUTANTS;

D O I：

10.1038/nature08472

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Cooperative social systems are susceptible to cheating by individuals that reap the benefits of cooperation without incurring the costs(1). There are various theoretical mechanisms for the repression of cheating(2) and many have been tested experimentally. One possibility that has not been tested rigorously is the evolution of mutations that confer resistance to cheating. Here we show that the presence of a cheater in a population of randomly mutated social amoebae can select for cheater-resistance. Furthermore, we show that this cheater-resistance can be a noble strategy because the resister strain does not necessarily exploit other strains. Thus, the evolution of resisters may be instrumental in preserving cooperative behaviour in the face of cheating.

引用

页码：980 / U240

页数：4

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