دورية أكاديمية
Community structure of coral microbiomes is dependent on host morphology.
| العنوان: | Community structure of coral microbiomes is dependent on host morphology. |
|---|---|
| المؤلفون: | Morrow KM; Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, NH, 03824, USA.; Present address: Thomas Jefferson High School for Science and Technology, 6560 Braddock Rd, Alexandria, VA, 22312, USA., Pankey MS; Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, NH, 03824, USA., Lesser MP; Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, NH, 03824, USA. mpl@unh.edu. |
| المصدر: | Microbiome [Microbiome] 2022 Jul 28; Vol. 10 (1), pp. 113. Date of Electronic Publication: 2022 Jul 28. |
| نوع المنشور: | Journal Article; Video-Audio Media; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: BioMed Central Country of Publication: England NLM ID: 101615147 Publication Model: Electronic Cited Medium: Internet ISSN: 2049-2618 (Electronic) Linking ISSN: 20492618 NLM ISO Abbreviation: Microbiome Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London: BioMed Central, 2013- |
| مواضيع طبية MeSH: | Anthozoa*/genetics , Dinoflagellida*/genetics , Microbiota*/genetics, Animals ; Coral Reefs ; Nitrogen ; RNA, Ribosomal, 16S/genetics ; Symbiosis |
| مستخلص: | Background: The importance of symbiosis has long been recognized on coral reefs, where the photosynthetic dinoflagellates of corals (Symbiodiniaceae) are the primary symbiont. Numerous studies have now shown that a diverse assemblage of prokaryotes also make-up part of the microbiome of corals. A subset of these prokaryotes is capable of fixing nitrogen, known as diazotrophs, and is also present in the microbiome of scleractinian corals where they have been shown to supplement the holobiont nitrogen budget. Here, an analysis of the microbiomes of 16 coral species collected from Australia, Curaçao, and Hawai'i using three different marker genes (16S rRNA, nifH, and ITS2) is presented. These data were used to examine the effects of biogeography, coral traits, and ecological life history characteristics on the composition and diversity of the microbiome in corals and their diazotrophic communities. Results: The prokaryotic microbiome community composition (i.e., beta diversity) based on the 16S rRNA gene varied between sites and ecological life history characteristics, but coral morphology was the most significant factor affecting the microbiome of the corals studied. For 15 of the corals studied, only two species Pocillopora acuta and Seriotopora hystrix, both brooders, showed a weak relationship between the 16S rRNA gene community structure and the diazotrophic members of the microbiome using the nifH marker gene, suggesting that many corals support a microbiome with diazotrophic capabilities. The order Rhizobiales, a taxon that contains primarily diazotrophs, are common members of the coral microbiome and were eight times greater in relative abundances in Hawai'i compared to corals from either Curacao or Australia. However, for the diazotrophic component of the coral microbiome, only host species significantly influenced the composition and diversity of the community. Conclusions: The roles and interactions between members of the coral holobiont are still not well understood, especially critical functions provided by the coral microbiome (e.g., nitrogen fixation), and the variation of these functions across species. The findings presented here show the significant effect of morphology, a coral "super trait," on the overall community structure of the microbiome in corals and that there is a strong association of the diazotrophic community within the microbiome of corals. However, the underlying coral traits linking the effects of host species on diazotrophic communities remain unknown. Video Abstract. (© 2022. The Author(s).) |
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| فهرسة مساهمة: | Keywords: 16S rRNA gene; Coral; Diazotroph; Microbiome; Nitrogen fixation; Symbiodiniaceae; nifH |
| المشرفين على المادة: | 0 (RNA, Ribosomal, 16S) N762921K75 (Nitrogen) |
| تواريخ الأحداث: | Date Created: 20220728 Date Completed: 20220801 Latest Revision: 20220802 |
| رمز التحديث: | 20240628 |
| مُعرف محوري في PubMed: | PMC9331152 |
| DOI: | 10.1186/s40168-022-01308-w |
| PMID: | 35902906 |
| قاعدة البيانات: | MEDLINE |
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