Rapid evolution of phenoloxidase expression, a component of innate immune function, in a natural population of Daphnia magna

被引：12

作者：

Pauwels, Kevin ^{[1
]}

De Meester, Luc ^{[1
]}

Put, Stephanie ^{[1
]}

Decaestecker, Ellen ^{[1
,2
]}

Stoks, Robby ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Lab Aquat Ecol & Evolutionary Biol, Louvain, Belgium

[2] Katholieke Univ Leuven, Interdisciplinary Res Ctr, Lab Aquat Biol Sci & Technol, B-8500 Kortrijk, Belgium

来源：

LIMNOLOGY AND OCEANOGRAPHY | 2010年 / 55卷 / 03期

关键词：

INVERTEBRATE IMMUNITY; PARASITE; SELECTION; SYSTEM; ECOLOGY; ZOOPLANKTON; RESISTANCE; EPIBIONTS; DEFENSE; MICROPARASITES;

D O I：

10.4319/lo.2010.55.3.1408

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We show rapid microevolution of one component of invertebrate innate immunity, phenoloxidase activity, in a natural population of the water flea Daphnia magna. In Daphnia hatched out of different depths of a sediment core, levels of Daphnia phenoloxidase activity showed genetic variation and increased significantly in less than a decade. We discuss this increase in Daphnia immunity over time in the light of coinciding changes in predator and parasite environment. Together with earlier-found microevolutionary responses in stress protein expression of this Daphnia population, we find simultaneous changes of different defense systems in response towards multiple enemies.

引用

页码：1408 / 1413

页数：6

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