珊瑚礁生境对珊瑚微生物关联的影响。

IF 3.6 4区 生物学 Q2 ENVIRONMENTAL SCIENCES Environmental Microbiology Reports Pub Date : 2024-11-08 DOI:10.1111/1758-2229.70051
Shelby E. Gantt, Keri M. Kemp, Patrick L. Colin, Kenneth D. Hoadley, Todd C. LaJeunesse, Mark E. Warner, Dustin W. Kemp
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引用次数: 0

摘要

珊瑚的共生关系很复杂,会受到环境的影响。我们比较了来自密克罗尼西亚帕劳三个不同珊瑚礁生境的共生甲藻(科:Symbiodinceae)与五个硬骨珊瑚物种的微生物群落。虽然 pH 值和温度与近岸和离岸栖息地常见的特定宿主-半知菌群关联相对应,但细菌群落差异性分析表明,这些因素对 Coelastrea aspera、Psammocora digitata 和 Pachyseris rugosa 珊瑚的微生物群落成员组成的影响微乎其微。然而,与近岸栖息地相比,在人类开发附近采样的珊瑚群落在珊瑚物种 Coelastrea aspera、Montipora foliosa 和 Pocillopora acuta 微生物群落多样性方面表现出更大的差异,而在近岸栖息地采样的珊瑚物种 Coelastrea aspera 微生物群落多样性方面表现出更大的差异,同时在共生藻科(Symbiodinceae)的关联方面也表现出较小的一致性。这些发现表明了栖息地位置对组成珊瑚全缘体的细菌和共生藻群落的影响,并为珊瑚礁群落的保护提供了重要的考虑因素,特别是对于人口不断增加和发展的岛国而言。
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Influence of reef habitat on coral microbial associations

Corals have complex symbiotic associations that can be influenced by the environment. We compare symbiotic dinoflagellate (family: Symbiodiniaceae) associations and the microbiome of five scleractinian coral species from three different reef habitats in Palau, Micronesia. Although pH and temperature corresponded with specific host-Symbiodiniaceae associations common to the nearshore and offshore habitats, bacterial community dissimilarity analyses indicated minimal influence of these factors on microbial community membership for the corals Coelastrea aspera, Psammocora digitata, and Pachyseris rugosa. However, coral colonies sampled close to human development exhibited greater differences in microbial community diversity compared to the nearshore habitat for the coral species Coelastrea aspera, Montipora foliosa, and Pocillopora acuta, and the offshore habitat for Coelastrea aspera, while also showing less consistency in Symbiodiniaceae associations. These findings indicate the influence that habitat location has on the bacterial and Symbiodiniaceae communities comprising the coral holobiont and provide important considerations for the conservation of coral reef communities, especially for island nations with increasing human populations and development.

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来源期刊
Environmental Microbiology Reports
Environmental Microbiology Reports ENVIRONMENTAL SCIENCES-MICROBIOLOGY
CiteScore
6.00
自引率
3.00%
发文量
91
审稿时长
3.0 months
期刊介绍: The journal is identical in scope to Environmental Microbiology, shares the same editorial team and submission site, and will apply the same high level acceptance criteria. The two journals will be mutually supportive and evolve side-by-side. Environmental Microbiology Reports provides a high profile vehicle for publication of the most innovative, original and rigorous research in the field. The scope of the Journal encompasses the diversity of current research on microbial processes in the environment, microbial communities, interactions and evolution and includes, but is not limited to, the following: the structure, activities and communal behaviour of microbial communities microbial community genetics and evolutionary processes microbial symbioses, microbial interactions and interactions with plants, animals and abiotic factors microbes in the tree of life, microbial diversification and evolution population biology and clonal structure microbial metabolic and structural diversity microbial physiology, growth and survival microbes and surfaces, adhesion and biofouling responses to environmental signals and stress factors modelling and theory development pollution microbiology extremophiles and life in extreme and unusual little-explored habitats element cycles and biogeochemical processes, primary and secondary production microbes in a changing world, microbially-influenced global changes evolution and diversity of archaeal and bacterial viruses new technological developments in microbial ecology and evolution, in particular for the study of activities of microbial communities, non-culturable microorganisms and emerging pathogens.
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