Spatial, temporal and network analyses provide insights into the dynamics of the bacterial communities associated with two species of Caribbean octocorals and indicate possible key taxa.

Spatial,时间和网络分析提供了与两种加勒比八角珊瑚相关的细菌群落动态的见解 ， 并指出了可能的关键分类群。

• 影响指数: 3.109
• 发表时间: 2023 Jun 3
• 来源期刊: Symbiosis
• DOI: 10.1007/s13199-023-00923-x
• PMID: 37360551
• 文章类型: Journal Article
• 中科院分区: Q4
• 方向: 医学
• 作者列表: Monti M,Giorgi A,Kemp DW,Olson JB

关键词: Co-occurrence; Gorgonians; Interaction; Prokaryotes; Soft corals; Spatio-temporal analyses

Abstract

Despite the current decline of scleractinian coral populations, octocorals are thriving on reefs in the Caribbean Sea and western North Atlantic Ocean. These cnidarians are holobiont entities, interacting with a diverse array of microorganisms. Few studies have investigated the spatial and temporal stability of the bacterial communities associated with octocoral species and information regarding the co-occurrence and potential interactions between specific members of these bacterial communities remain sparse. To address this knowledge gap, this study investigated the stability of the bacterial assemblages associated with two common Caribbean octocoral species, Eunicea flexuosa and Antillogorgia americana, across time and geographical locations and performed network analyses to investigate potential bacterial interactions. Results demonstrated that general inferences regarding the spatial and temporal stability of octocoral-associated bacterial communities should not be made, as host-specific characteristics may influence these factors. In addition, network analyses revealed differences in the complexity of the interactions between bacteria among the octocoral species analyzed, while highlighting the presence of genera known to produce bioactive secondary metabolites in both octocorals that may play fundamental roles in structuring the octocoral-associated bacteriome.
UNASSIGNED: The online version contains supplementary material available at 10.1007/s13199-023-00923-x.

摘要

尽管目前巩膜珊瑚种群数量下降，八珊瑚在加勒比海和北大西洋西部的珊瑚礁上蓬勃发展。这些刺客是完整的实体，与各种各样的微生物相互作用。很少有研究调查了与八珊瑚物种相关的细菌群落的时空稳定性，有关这些细菌群落的特定成员之间的共现和潜在相互作用的信息仍然很少。为了解决这个知识差距，这项研究调查了与两种常见的加勒比八珊瑚物种相关的细菌组合的稳定性，柔毛uniceaandAntillogorgiaAmericana,跨时间和地理位置，并进行网络分析，以调查潜在的细菌相互作用。结果表明，不应做出有关八珊瑚相关细菌群落的空间和时间稳定性的一般推论，因为宿主特异性特征可能会影响这些因素。此外,网络分析揭示了所分析的八珊瑚物种之间细菌之间相互作用的复杂性差异，同时强调了已知在两种八珊瑚中产生生物活性次级代谢产物的属的存在，这些属可能在构建与八珊瑚相关的细菌组中起着基本作用。
■在线版本包含补充材料，可在10.1007/s13199-023-00923-x获得。