Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China
Zhu, Ping1,2; Wang, Yaping1,2; Shi, Tiantian1; Zhang, Xiaoli1; Huang, Guoqiang3; Gong, Jun4
发表期刊APPLIED SOIL ECOLOGY
ISSN0929-1393
2018-09-01
卷号130页码:159-168
关键词Carbon metabolism Ecological function Tidal zonation Rhizosphere Spatial heterogeneity
研究领域Agriculture
DOI10.1016/j.apsoil.2018.06.003
产权排序[Zhu, Ping; Wang, Yaping; Shi, Tiantian; Zhang, Xiaoli] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Zhu, Ping; Wang, Yaping] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Huang, Guoqiang] Guangxi Inst Oceanol, Beihai 536000, Peoples R China; [Gong, Jun] Sun Yat Sen Univ, Sch Marine Sci, Lab Microbial Ecol, Zhuhai Campus, Zhuhai 519082, Peoples R China
作者部门海岸带生物资源高效利用研究与发展中心
英文摘要The combined effects of intertidal zonation and mangrove vegetation on benthic bacterial communities and ecological functions were studied. MiSeq sequencing of the 16S rRNA gene and PICRUSt predictive functional profiles were used to investigate the diversity, community structure and potential metabolic functions of benthic bacteria in surface sediments of a mangrove ecosystem. Compared with the lower intertidal zone, bacterial alpha diversity and richness were significantly higher in the upper intertidal zone and highly associated with sediment organic matter. The upper zone was occupied by higher proportions of heterotrophic bacteria involved in the degradation of organic compounds. These included Desulfobacterales, Anaerolineae and Acidobacteria, while the proportion of Rhodobacterales and Xenococcaceae was greatly increased in the lower zone. No significant difference of either alpha diversity or community composition was found between rhizosphere and bulk sediments, except that higher relative proportions of Rhizobiales and Actinobacteria occurred in rhizosphere sediments. The shift in bacterial community structure was mainly driven by changes in sediment Pb and NH4+ concentrations. Among the major carbon, nitrogen and sulfur cycling processes examined, higher potentials of cellulose and hemicellulose degradation, dissimilatory sulfate reduction, and nitrate or nitrite reduction occurred in the upper intertidal zone. Assimilatory sulfate reduction and sulfur oxidation potentials were higher in the root-associated sediments than in the bulk sediments. This study indicated that intertidal zonation was more important than root effects in modulating benthic bacterial diversity and functional potentials in a mangrove ecosystem.
文章类型Article
收录类别SCI
语种英语
关键词[WOS]CHLOROFLEXI SUBPHYLUM-I ; ORGANIC-MATTER ; MICROBIAL COMMUNITIES ; UNCULTURED CHLOROFLEXI ; REDUCING BACTERIA ; MARINE ECOSYSTEMS ; GENETIC DIVERSITY ; CARBON ; SOIL ; SEQUENCES
研究领域[WOS]Agriculture
WOS记录号WOS:000441138300019
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/24019
专题海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
通讯作者Zhang, Xiaoli; Gong, Jun
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Guangxi Inst Oceanol, Beihai 536000, Peoples R China
4.Sun Yat Sen Univ, Sch Marine Sci, Lab Microbial Ecol, Zhuhai Campus, Zhuhai 519082, Peoples R China
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GB/T 7714
Zhu, Ping,Wang, Yaping,Shi, Tiantian,et al. Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China[J]. APPLIED SOIL ECOLOGY,2018,130:159-168.
APA Zhu, Ping,Wang, Yaping,Shi, Tiantian,Zhang, Xiaoli,Huang, Guoqiang,&Gong, Jun.(2018).Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China.APPLIED SOIL ECOLOGY,130,159-168.
MLA Zhu, Ping,et al."Intertidal zonation affects diversity and functional potentials of bacteria in surface sediments: A case study of the Golden Bay mangrove, China".APPLIED SOIL ECOLOGY 130(2018):159-168.
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