加勒比海绵全息生物在中胚层以外的适应策略。

IF 13.8 1区 生物学 Q1 MICROBIOLOGY
Benoît Paix, Alexane Thivet, Celso Domingos, Özlem Erol, Niels van der Windt, Young H Choi, Nicole J de Voogd
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引用次数: 0

摘要

背景:海洋海绵及其微生物群落作为整体有机体,在生态系统动力学中起着重要作用,并表现出显著的跨深度梯度适应性。本研究采用多组学方法,结合微生物组学和代谢组学分析,研究了生活在库拉帕拉索中游(80-125米)、上游(125-200米)和下游(200-305米)区域的海绵全息生物的适应策略。我们假设与深度相关的环境因素驱动不同的适应策略,类似于在鱼类和珊瑚组合中观察到的模式。结果:结果显示Demospongiae和Hexactinellida海绵在全代谢组学和微生物群落方面存在重大差异,反映了类特异性适应策略。值得注意的是,磷脂对温度和压力的黏性适应可能是磷代谢的关键机制。氮代谢的适应性与不同的氨氧化古菌(AOA)共生体和溶解有机物循环有关。Hexactinellid微生物组表现出种内异质性;然而,观察到与AOA共生体(如Cenarchaeum和Nitrosopumilus)的种特异性关联。此外,通过鉴定其伴生动物群产生的次生代谢物(虫蜂类产生的促性腺素和虾类产生的黄嘌呤酸),低淋巴性的hexactinellid全代谢组学强调了巢式生态系统概念的重要性。结论:本研究强调了海绵全息生物在中叶和疏叶生态系统中的生态意义,揭示了对独特物理化学条件和生物相互作用的不同适应。视频摘要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive strategies of Caribbean sponge holobionts beyond the mesophotic zone.

Background: Marine sponges and their microbiomes function together as holobionts, playing essential roles in ecosystem dynamics and exhibiting remarkable adaptability across depth gradients. This study utilized a multi-omics approach, integrating microbiome and metabolome analyses, to investigate adaptive strategies in sponge holobionts inhabiting the mesophotic (80-125 m), upper-rariphotic (125-200 m), and lower-rariphotic (200-305 m) zones of Curaçao. We hypothesized that depth-related environmental factors drive distinct adaptive strategies, similar to patterns observed in fish and coral assemblages.

Results: Results revealed major differences in holometabolomes and microbial communities between Demospongiae and Hexactinellida sponges, reflecting class-specific adaptive strategies. Notably, phospholipid homeoviscous adaptation to temperature and pressure might emerge as a key mechanism in phosphorus metabolism. Adaptations in nitrogen metabolism were linked to diverse ammonia oxidizing archaea (AOA) symbionts, and dissolved organic matter cycling. Hexactinellid microbiomes exhibited intra-specific heterogeneity; however, species-specific associations with AOA symbionts such as Cenarchaeum and Nitrosopumilus were observed. Additionally, the lower-rariphotic hexactinellid holometabolomes highlighted the significance of the nested ecosystem concept through the identification of secondary metabolites produced by their associated fauna (aphrocallistins by zoanthids and xanthurenic acid by shrimp).

Conclusions: This study highlights the ecological significance of sponge holobionts in mesophotic and rariphotic ecosystems, revealing diverse adaptations to unique physicochemical conditions and biotic interactions. Video Abstract.

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来源期刊
Microbiome
Microbiome MICROBIOLOGY-
CiteScore
21.90
自引率
2.60%
发文量
198
审稿时长
4 weeks
期刊介绍: Microbiome is a journal that focuses on studies of microbiomes in humans, animals, plants, and the environment. It covers both natural and manipulated microbiomes, such as those in agriculture. The journal is interested in research that uses meta-omics approaches or novel bioinformatics tools and emphasizes the community/host interaction and structure-function relationship within the microbiome. Studies that go beyond descriptive omics surveys and include experimental or theoretical approaches will be considered for publication. The journal also encourages research that establishes cause and effect relationships and supports proposed microbiome functions. However, studies of individual microbial isolates/species without exploring their impact on the host or the complex microbiome structures and functions will not be considered for publication. Microbiome is indexed in BIOSIS, Current Contents, DOAJ, Embase, MEDLINE, PubMed, PubMed Central, and Science Citations Index Expanded.
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