Manipulation of medically important insect vectors by their parasites

被引:231
作者
Hurd, H [1 ]
机构
[1] Univ Keele, Sch Life Sci, Ctr Appl Entomol & Parasitol, Keele ST5 5BG, Staffs, England
关键词
vector blood feeding; vector fecundity; vector longevity; malaria; Leishmania;
D O I
10.1146/annurev.ento.48.091801.112722
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Many of the most harmful parasitic diseases are transmitted by blood-feeding insect vectors. During this stage of their life cycles, selection pressures favor parasites that can manipulate their vectors to enhance transmission. Strategies may include increasing the amount of contact between vector and host, reducing vector reproductive output and consequently altering vector resource management to increase available nutrient reserves, and increasing vector longevity. Manipulation of these life-history traits may be more beneficial at some phase of the parasite's developmental process than at others. This review examines empirical, experimental, and field-based evidence to evaluate examples of changes in vector behavior and physiology that might be construed to be manipulative. Examples are mainly drawn from malaria-infected mosquitoes, Leishmania-infected sandflies, and Trypanosoma-infected tsetse flies.
引用
收藏
页码:141 / 161
页数:25
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