Effects of Ocean Acidification and Microplastics on Microflora Community Composition in the Digestive Tract of the Thick Shell Mussel Mytilus coruscus Through 16S RNA Gene Sequencing
文献类型： 外文期刊
作者： Yang, Liguo 2 ; Lv, Linlan 1 ; Liu, Haojie 4 ; Wang, Miaorun 4 ; Sui, Yanming 1 ; Wang, Youji 3 ;
作者机构： 1.Yancheng Inst Technol, Coll Chem & Biol Engn, Dept Ocean Technol, Yancheng 224051, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Minist Agr, Key Lab East China Sea Fishery Resources Exploita, Shanghai, Peoples R China
3.Shanghai Ocean Univ, Minist Sci & Technol, Int Res Ctr Marine Biosci, Shanghai, Peoples R China
4.Univ Rostock, Fac Agr & Environm Sci, Rostock, Germany
关键词： Mytilus coruscus; Ocean acidification; Microplastics; 16S rRNA; Microflora
期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.151； 五年影响因子：2.129 ）
ISSN： 0007-4861
年卷期：
页码：
收录情况： SCI
摘要： Ocean acidification and microplastic pollution is a global environmental threat, this research evaluated the effects of ocean acidification and microplastics on mussel digestive tract microbial community. The 16S rRNA gene was sequenced to characterize the flora. Species diversity in the samples was assessed by clustering valid tags on 97% similarity. Bacteroidetes, Firmicutes and Proteobacteria were the three most abundant genera in the four groups, with Bacteroidetes showing the highest diversity. However, no differences in flora structure were evident under various treatments. Phylogenetic relationship analysis revealed Bacteroidetes and Firmicutes had the highest OTU diversity. The weighted UniFrac distance, principal coordinate analysis (PCoA), unweighted pair group method with arithmetic mean (UPGMA) cluster tree and analysis of molecular variance (AMOVA) evaluation results for all samples also showed that changes in pH and microplastics concentration did not significantly affect the microbial community structure in the mussel digestive tract. The results presented the no significant effects of ocean acidification and microplastics intake on mussel intestinal diversity.
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