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The functional role of photosynthesis-related genes in non-photosynthetic symbionts of corals

The functional role of photosynthesis-related genes in non-photosynthetic symbionts of corals
光合作用相关基因在珊瑚非光合作用共生体中的功能作用
批准号:
22KF0361
负责人:
HUSNIK Filip
金额:
$1.41万
依托单位国家:
日本
项目类别:
Grant-in-Aid for JSPS Fellows
财政年份:
2023
资助国家:
日本
项目状态:
已结题
起止时间:
2023-03-08 至 2024-03-31

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中文摘要
翻译
我们收集了珊瑚群落,并进行了DNA提取。为了鉴定与珊瑚相关的顶复合体(Corallicolida目,又称珊瑚类),利用特异性引物对18S rRNA区域进行PCR扩增,并进行Sanger测序。初步结果表明,大多数来自日本和印度洋-太平洋其他地区的珊瑚与相同的多面手珊瑚类物种有关。尽管如此,一些珊瑚样本与一个独特的珊瑚类谱系有关。此外,通过文库制备和MiSeq测序,利用16S rRNA(细菌)、18S rRNA(真核生物)和ITS2 rRNA(共生科鞭毛藻)引物,对珊瑚相关微生物的多样性进行了评估。我们用生物信息学分析了已发表的管道数据。初步结果表明,该珊瑚隶属于共生体科的枝藻属、桃藻属和共生体属。此外,来自大西洋和印度洋-太平洋的珊瑚具有不同的共生体科组成。在细菌方面,共生的内生单胞菌属是珊瑚最常见的共生体。一些样品与条件致病菌弧菌有关。迄今为止,来自印度洋-太平洋不同地区的样本分析显示,细菌组成不同。
英文摘要
We collected coral colonies and performed DNA extraction. In order to identify apicomplexans associated with corals (order Corallicolida, also called corallicolids), PCR amplification was conducted using specific primers for the 18S rRNA region and Sanger sequencing. Preliminary results indicated that most corals from Japan and other parts of the Indo-Pacific Ocean associated with the same generalist corallicolid species. Still, some corals samples were associated with a distinct corallicolid lineage.Additionally, library preparation and MiSeq sequecing was used to evaluate the diversity of microbes associated with corals, using 16S rRNA (bacteria), 18S rRNA (Eukaryotes), and ITS2 rRNA (diniflagellates of the family Symbiodiniaceae) primers. We analyzed the data with bioinformatics following published pipelines. Preliminary results showed that corals associated with Symbiodiniaceae of the genera Cladocopium, Durisdinium and Symbiodinium. Moreover, corals from the Atlantic and the Indo-Pacific oceans have a different Symbiodiniaceae composition. In relation to bacteria, the mutualistic genus Endozoicomonas was the most common symbiont of corals. Some samples were associated with Vibrio spp., which are opportunistic pathogens. Samples from different regions on the Indo-Pacific Ocean analyzed so far had a different bacterial composition.
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会议论文
Global diversity of coral endosymbionts
珊瑚内共生体的全球多样性
DOI: --
发表时间: 2022
期刊:
影响因子: --
作者: [Maria E. A. Santos, James D. Reimer, Masaru Mizuyama, Hiroki Kise, Wee H. Boo, Akira Iguchi, ‘Ale’alani Dudoit, Robert Toonen, Marcelo V. Kitahara, Filip Husnik]
通讯作者: Filip Husnik
Evolutionary forces driving the diversity of protist symbioses
Nature vs nurture: uncovering the functional responses of stressed coral microbiomes
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