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禽疟改变了库蚊吸食血液的动态。

Avian malaria alters the dynamics of blood feeding in Culex pipiens mosquitoes.

机构信息

Centre d'Ecologie Fonctionnelle et Evolutive (CEFE), UMR CNRS 5175, Montpellier, France.

MIVEGEC (CNRS, Université de Montpellier- IRD), Montpellier, France.

出版信息

Malar J. 2019 Mar 15;18(1):82. doi: 10.1186/s12936-019-2690-5.

DOI:10.1186/s12936-019-2690-5
PMID:30876412
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6420798/
Abstract

BACKGROUND

Some Plasmodium species have the ability to modify the behaviour of their mosquito vectors. This is thought to be an adaptive strategy that maximizes the parasite's transmission.

METHODS

The effect of Plasmodium relictum infections on the blood feeding behaviour of Culex pipiens quinquefasciatus mosquitoes was monitored.

RESULTS

Plasmodium infections did not alter the proportion of blood fed mosquitoes but they did affect the dynamics and the size of the blood meal. Sporozoite-infected mosquitoes completed their blood meal 1.3 times later than uninfected mosquitoes and ended up with smaller blood meals.

CONCLUSION

The potential adaptive nature of this manipulation of mosquito behaviour is discussed in the light of previous studies on other malaria models.

摘要

背景

有些疟原虫物种有能力改变其蚊媒的行为。这被认为是一种适应性策略,可以最大限度地提高寄生虫的传播。

方法

监测间日疟原虫感染对库蚊吸食血液行为的影响。

结果

疟原虫感染不会改变吸食血液的蚊子比例,但会影响血液摄入量的动态和大小。感染子孢子的蚊子比未感染的蚊子晚 1.3 倍完成血液摄入,并且血液摄入量较小。

结论

根据其他疟疾模型的先前研究,讨论了这种对蚊子行为的操纵的潜在适应性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3008/6420798/c1920641c5c1/12936_2019_2690_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3008/6420798/700f088d87a9/12936_2019_2690_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3008/6420798/c1920641c5c1/12936_2019_2690_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3008/6420798/700f088d87a9/12936_2019_2690_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3008/6420798/c1920641c5c1/12936_2019_2690_Fig2_HTML.jpg

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Evolutionary Ecology of Avian Malaria: Past to Present.鸟类疟疾的进化生态学:从过去到现在。
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Evolution and Manipulation of Vector Host Choice.媒介宿主选择的进化与操控
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Avian malaria infection intensity influences mosquito feeding patterns.鸟类疟疾感染强度影响蚊子的取食模式。
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No evidence for manipulation of Anopheles gambiae, An. coluzzii and An. arabiensis host preference by Plasmodium falciparum.没有证据表明恶性疟原虫可以操纵冈比亚按蚊、库蚊和阿蚊的宿主偏好。
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Immune response and insulin signalling alter mosquito feeding behaviour to enhance malaria transmission potential.免疫反应和胰岛素信号传导改变蚊子的进食行为,以增强疟疾传播潜力。
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Avian malaria: a new lease of life for an old experimental model to study the evolutionary ecology of Plasmodium.禽疟:用于研究疟原虫进化生态学的旧实验模型的新活力。
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