Culex pipiens and Culex restuans larval interactions shape the bacterial communities in container aquatic habitats.

FEMS microbes Pub Date : 2024-02-12 eCollection Date: 2024-01-01 DOI:10.1093/femsmc/xtae002
Teresia M Njoroge, May R Berenbaum, Christopher M Stone, Chang-Hyun Kim, Christopher Dunlap, Ephantus J Muturi
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Abstract

Container aquatic habitats host a community of aquatic insects, primarily mosquito larvae that browse on container surface microbial biofilm and filter-feed on microorganisms in the water column. We examined how the bacterial communities in these habitats respond to feeding by larvae of two container-dwelling mosquito species, Culex pipiens and Cx. restuans. We also investigated how the microbiota of these larvae is impacted by intra- and interspecific interactions. Microbial diversity and richness were significantly higher in water samples when mosquito larvae were present, and in Cx. restuans compared to Cx. pipiens larvae. Microbial communities of water samples clustered based on the presence or absence of mosquito larvae and were distinct from those of mosquito larvae. Culex pipiens and Cx. restuans larvae harbored distinct microbial communities when reared under intraspecific conditions and similar microbial communities when reared under interspecific conditions. These findings demonstrate that mosquito larvae play a major role in structuring the microbial communities in container habitats and that intra- and interspecific interactions in mosquito larvae may shape their microbiota. This has important ecological and public health implications since larvae of the two mosquito species are major occupants of container habitats while the adults are vectors of West Nile virus.

Culex pipiens 和 Culex restuans 幼虫的相互作用塑造了容器水生栖息地的细菌群落。
集装箱水生栖息地有一个水生昆虫群落,主要是蚊子幼虫,它们啃食集装箱表面的微生物生物膜,并滤食水体中的微生物。我们研究了这些栖息地中的细菌群落是如何对两种在容器中栖息的蚊子--喙库蚊(Culex pipiens)和库蚊(Cx. restuans)--的幼虫取食做出反应的。我们还研究了这些幼虫的微生物群如何受到种内和种间相互作用的影响。当有蚊子幼虫存在时,水样中的微生物多样性和丰富度明显高于喙库蚊幼虫。水样中的微生物群落根据蚊子幼虫的存在与否而聚类,与蚊子幼虫的微生物群落截然不同。在种内饲养条件下,琵鹭库蚊幼虫和雷氏库蚊幼虫拥有不同的微生物群落,而在种间饲养条件下则拥有相似的微生物群落。这些研究结果表明,蚊子幼虫在构建容器栖息地的微生物群落方面发挥着重要作用,蚊子幼虫的种内和种间相互作用可能会形成它们的微生物群落。这具有重要的生态和公共卫生意义,因为这两种蚊子的幼虫是容器栖息地的主要占用者,而成虫则是西尼罗河病毒的传播者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.30
自引率
0.00%
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审稿时长
15 weeks
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