Aiptasia sp. larvae as a model to reveal mechanisms of symbiont selection in cnidarians.

Aiptasia sp. larvae as a model to reveal mechanisms of symbiont selection in cnidarians.
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DOI:
10.1038/srep32366
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发表时间:
2016-09-01
期刊:
影响因子:
4.6
通讯作者:
Guse A
Guse A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wolfowicz I;Baumgarten S;Voss PA;Hambleton EA;Voolstra CR;Hatta M;Guse A

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共生,定义为两个不同物种之间的持久联系,是一种进化和生态关键现象,有助于双方在不同的栖息地生存。珊瑚礁生态系统的生物多样性依赖于与高度多样化的共生藻属的光合作用甲藻的功能性共生,这些甲鞭毛虫居住在珊瑚宿主细胞中,并持续支持其营养。在非共生的幼年珊瑚中选择共生体以建立稳定的内共生的机制尚不清楚。在这里,我们首次表明,在受控条件下,两种顶孢目珊瑚和模式海葵幼虫的共生体选择模式是相似的。我们发现,Aiptasia幼虫在摄取胃腔和吞噬细胞的过程中区分相容和不相容的共生体。使用RNA-Seq,我们确定了一组可能参与共生建立的候选基因。总之,我们的数据补充了现有的分子资源,可以在受控条件下机械解剖线虫的共生菌吞噬作用,从而加强了线虫幼虫作为线虫内共生建立的强大模型的作用。
Symbiosis, defined as the persistent association between two distinct species, is an evolutionary and ecologically critical phenomenon facilitating survival of both partners in diverse habitats. The biodiversity of coral reef ecosystems depends on a functional symbiosis with photosynthetic dinoflagellates of the highly diverse genus Symbiodinium, which reside in coral host cells and continuously support their nutrition. The mechanisms underlying symbiont selection to establish a stable endosymbiosis in non-symbiotic juvenile corals are unclear. Here we show for the first time that symbiont selection patterns for larvae of two Acropora coral species and the model anemone Aiptasia are similar under controlled conditions. We find that Aiptasia larvae distinguish between compatible and incompatible symbionts during uptake into the gastric cavity and phagocytosis. Using RNA-Seq, we identify a set of candidate genes potentially involved in symbiosis establishment. Together, our data complement existing molecular resources to mechanistically dissect symbiont phagocytosis in cnidarians under controlled conditions, thereby strengthening the role of Aiptasia larvae as a powerful model for cnidarian endosymbiosis establishment.
DOI: 10.1083/jcb.97.2.317
发表时间: 1983-08
影响因子: 7.8
作者:
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期刊: Bioinformatics (Oxford, England)
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影响因子: 4.6
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发表时间: 1993-05-01
期刊: BIOSCIENCE
影响因子: 10.1
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