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首页> 美国卫生研究院文献>Scientific Reports >Comparison of bacterial microbiota of the predatory mite Neoseiulus cucumeris (Acari: Phytoseiidae) and its factitious prey Tyrophagus putrescentiae (Acari: Acaridae)
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Comparison of bacterial microbiota of the predatory mite Neoseiulus cucumeris (Acari: Phytoseiidae) and its factitious prey Tyrophagus putrescentiae (Acari: Acaridae)

机译：捕食性螨新孢子虫（Acari：Phytoseiidae）及其人为捕食性酪氨酸菌tyrophagus putrescentiae（Acari：Acaridae）细菌群落的比较。

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摘要

Neoseiulus cucumeris is a predatory mite used for biological control of arthropod pests. Mass-reared predators are fed with factitious prey mites such as Tyrophagus putrescentiae. Although some information on certain endosymbionts of N. cucumeris and T. putrescentiae exists, it is unclear whether both species share bacterial communities. The bacterial communities in populations of predator and prey mites, as well as the occurence of potential acaropathogenic bacteria were analyzed. The comparisons were based on the following groups: (i) N. cucumeris mass-production; (ii) N. cucumeris laboratory population with disease symptoms; (iii) T. putrescentiae pure populations and; (iv) T. putrescentiae from rearing units of N. cucumeris. Only 15% of OTUs were present in all samples from predatory and prey mite populations (core OTUs): the intracellular symbionts Wolbachia, Cardinium, plus other Blattabacterium-like, Solitalea-like, and Bartonella-like symbionts. Environmental bacteria were more abundant in predatory mites, while symbiotic bacteria prevailed in prey mites. Relative numbers of certain bacterial taxa were significantly different between the microbiota of prey mites reared with and without N. cucumeris. No significant differences were found in the bacterial communities of healthy N. cucumeris compared to N. cucumeris showing disease symptoms. We did not identify any confirmed acaropathogenic bacteria among microbiota.
机译：黄瓜新孢子虫是一种捕食性螨，用于节肢动物害虫的生物防治。饲养大量的食肉动物会被人为的食肉螨（例如，酪氨酸杆菌）所捕食。尽管存在有关黄瓜N.菌和腐烂T.菌的某些共生菌的信息，但尚不清楚这两个物种是否共享细菌群落。分析了捕食性螨和捕食性螨种群中的细菌群落，以及潜在的致癌细菌的发生。比较是基于以下几组的：（i）黄瓜N. Cucumeris的大量生产； （ii）具有疾病症状的黄瓜猪笼草实验室人群； （iii）腐霉菌纯种；和（iv）来自黄瓜猪笼草饲养单位的腐烂球菌。捕食性和螨类种群（核心OTU）的所有样品中仅存在15％的OTU：细胞内共生沃尔巴克氏菌，Cardinium以及其他类杆菌，共生梭状芽孢杆菌和巴尔通体类似物。捕食性螨中环境细菌更为丰富，而猎物螨中则普遍存在共生细菌。在有和没有黄瓜念珠菌的情况下饲养的bacterial螨的微生物群之间，某些细菌类群的相对数量显着不同。与 N相比，在健康的N. cucumeris细菌群落中未发现显着差异。 cucumeris 表现出疾病症状。我们没有在微生物群中发现任何证实的致癌细菌。

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