A Genomic Perspective on the Generation and Maintenance of Genetic Diversity in Herbivorous Insects

被引:28
作者
Gloss, Andrew D. [1 ]
Groen, Simon C. [1 ,3 ,4 ]
Whiteman, Noah K. [2 ]
机构
[1] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA
[2] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA
[3] NYU, Dept Biol, New York, NY 10003 USA
[4] NYU, Ctr Genom & Syst Biol, 550 1St Ave, New York, NY 10003 USA
来源
ANNUAL REVIEW OF ECOLOGY, EVOLUTION, AND SYSTEMATICS, VOL 47 | 2016年 / 47卷
关键词
evolutionary genomics; genetic variation; experimental evolution; local adaptation; plant-herbivore interactions; population genomics; HOST RACES; LOCAL ADAPTATION; ECOLOGICAL SPECIALIZATION; RESISTANCE POLYMORPHISM; REPRODUCTIVE ISOLATION; NATURAL-SELECTION; GEOGRAPHIC MODE; TRADE-OFFS; PLANT; SPECIATION;
D O I
10.1146/annurev-ecolsys-121415-032220
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Understanding the processes that generate and maintain genetic variation within populations is a central goal in evolutionary biology. Theory predicts that some of this variation is maintained as a consequence of adapting to variable habitats. Studies in herbivorous insects have played a key role in confirming this prediction. Here, we highlight theoretical and conceptual models for the maintenance of genetic diversity in herbivorous insects, empirical genomic studies testing these models, and pressing questions within the realm of evolutionary and functional genomic studies. To address key gaps, we propose an integrative approach combining population genomic scans for adaptation, genome-wide characterization of targets of selection through experimental manipulations, mapping the genetic architecture of traits influencing fitness, and functional studies. We also stress the importance of studying the maintenance of genetic variation across biological scales-from variation within populations to divergence among populations-to form a comprehensive view of adaptation in herbivorous insects.
引用
收藏
页码:165 / 187
页数:23
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