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首页> 外文期刊>Applied Microbiology >The Pine Bark Adelgid, Pineus strobi, Contains Two Novel Bacteriocyte-Associated Gammaproteobacterial Symbionts
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The Pine Bark Adelgid, Pineus strobi, Contains Two Novel Bacteriocyte-Associated Gammaproteobacterial Symbionts

机译：松树皮Adelgid，松树属strobi，包含两个新型细菌细胞相关的γ-变形细菌共生体。

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摘要

Bacterial endosymbionts of the pine bark adelgid, Pineus strobi (Insecta: Hemiptera: Adelgidae), were investigated using transmission electron microscopy, 16S and 23S rRNA-based phylogeny, and fluorescence in situ hybridization. Two morphologically different symbionts affiliated with the Gammaproteobacteria were present in distinct bacteriocytes. One of them (“ Candidatus Annandia pinicola”) is most closely related to an endosymbiont of Adelges tsugae , suggesting that they originate from a lineage already present in ancient adelgids before the hosts diversified into the two major clades, Adelges and Pineus . The other P. strobi symbiont (“ Candidatus Hartigia pinicola”) represents a novel symbiont lineage in members of the Adelgidae. Our findings lend further support for a complex evolutionary history of the association of adelgids with a phylogenetically diverse set of bacterial symbionts.
机译：使用透射电子显微镜，基于16S和23S rRNA的系统发育以及荧光原位杂交技术研究了松树皮adelgid（Pinus strobi（Insecta：Hemiptera：Adelgidae））的细菌内共生体。在不同的细菌细胞中存在两种与γ-变形细菌有关的形态学不同的共生体。其中之一（“ Candidatus Annandia pinicola”）与虫Adelges的共生共生体关系最密切，这表明它们起源于古代a虫中已经存在的谱系，然后宿主分化成两个主要进化枝Adelges和Pineus。另一个P. strobi共生体（“ Candidatus Hartigia pinicola”）代表了A蛾科中的一种新型共生体谱系。我们的发现进一步支持了阿德氏菌与系统多样的细菌共生体缔合的复杂进化史。

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