The Cyanobacteria-Dominated Sponge Dactylospongia elegans in the South China Sea: Prokaryotic Community and Metagenomic Insights
Gao, ZM; Zhou, GW; Huang, H; Wang, Y; wangy@idsse.ac.cn
2017
发表期刊FRONTIERS IN MICROBIOLOGY
卷号8页码:1387-
摘要The South China Sea is a special reservoir of sponges of which prokaryotic communities are less studied. Here, a new record of the sponge Dactylospongia elegans is reported near the coast of Jinqing Island in the South China Sea, and its prokaryotic community is comprehensively investigated. Sponge specimens displayed lower microbial diversity compared with surrounding seawater. At the phylum level, prokaryotic communities were consistently dominated by Proteobacteria, followed by Cyanobacteria, Chloroflexi, Acidobacteria, Actinobacteria, Gemmatimonadetes, Thaumarchaeota, and Poribacteria. Operational taxonomic unit (OTU) analysis alternatively showed that the most abundant symbiont was the sponge-specific cyanobacterial species "Candidatus Synechococcus spongiarum," followed by OTUs belonging to the unidentified Chloroflexi and Acidobacteria. Phylogenetic tree based on 16S-23S internal transcribed spacer regions indicated that the dominated cyanobacterial OTU represented a new Glade of "Ca. Synechococcus spongiarum." More reliable metagenomic data further revealed that poribacterial symbionts were highly abundant and only secondary to the cyanobacterial symbiont. One draft genome for each of the Cyanobacteria, Chloroflexi and Acidobacteria and three poribacterial genomes were extracted from the metagenomes. Among them, genomes affiliated with the Chloroflexi and Acidobacteria were reported for the first time in sponge symbionts. Eukaryotic-like domains were found in all the binned genomes, indicating their potential symbiotic roles with the sponge host. The high quality of the six recovered genomes of sponge symbionts from the sponge D. elegans makes it possible to understand their symbiotic roles and interactions with the sponge host as well as among one another.
部门归属[Gao, Zhao-Ming; Wang, Yong] Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya, Peoples R China; [Zhou, Guo-Wei; Huang, Hui] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou, Guangdong, Peoples R China
关键词Sponge Symbiont Cyanobacteria Poribacteria The South China Sea
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16308
专题中科院海洋生物资源可持续利用重点实验室
通讯作者wangy@idsse.ac.cn
推荐引用方式
GB/T 7714
Gao, ZM,Zhou, GW,Huang, H,et al. The Cyanobacteria-Dominated Sponge Dactylospongia elegans in the South China Sea: Prokaryotic Community and Metagenomic Insights[J]. FRONTIERS IN MICROBIOLOGY,2017,8:1387-.
APA Gao, ZM,Zhou, GW,Huang, H,Wang, Y,&wangy@idsse.ac.cn.(2017).The Cyanobacteria-Dominated Sponge Dactylospongia elegans in the South China Sea: Prokaryotic Community and Metagenomic Insights.FRONTIERS IN MICROBIOLOGY,8,1387-.
MLA Gao, ZM,et al."The Cyanobacteria-Dominated Sponge Dactylospongia elegans in the South China Sea: Prokaryotic Community and Metagenomic Insights".FRONTIERS IN MICROBIOLOGY 8(2017):1387-.
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