No evidence for an evolutionary trade-off between learning and immunity in a social insect

被引:6
|
作者
Alghamdi, A. [1 ]
Raine, N. E. [3 ]
Rosato, E. [2 ]
Mallon, E. B. [1 ]
机构
[1] Univ Leicester, Dept Biol, Leicester LE1 7RH, Leics, England
[2] Univ Leicester, Dept Genet, Leicester LE1 7RH, Leics, England
[3] Univ London, Sch Biol & Chem Sci, Res Ctr Psychol, London E1 4NS, England
关键词
psychoneuroimmunology; crosstalk; social insects; learning speed; BOMBUS-TERRESTRIS L; DROSOPHILA-MELANOGASTER; BUMBLE-BEES; BEHAVIOR; ABILITY; PSYCHONEUROIMMUNOLOGY; ADAPTATION; RESISTANCE; HISTORY; WORKERS;
D O I
10.1098/rsbl.2008.0514
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The immune response affects learning and memory in insects. Given this and the known fitness costs of both the immune system and learning, does an evolutionary trade-off exist between these two systems? We tested this by measuring the learning ability of 12 bumble-bee (Bombus terrestris) colonies in a free-flying paradigm. We then tested their immune response using the zone of inhibition assay. We found a positive relationship between colony learning performance and immune response, that is, fast-learning colonies also show high levels of antimicrobial activity. We conclude that there is no a priori reason to demand an evolutionary relationship between two traits that are linked physiologically.
引用
收藏
页码:55 / 57
页数:3
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