Fungal Community Successions in Rhizosphere Sediment of Seagrasses Enhalus acoroides under PAHs Stress
Ling, Juan1; Zhang, Yanying1; Wu, Meilin1; Wang, Youshao1; Dong, Junde1; Jiang, Yufeng1; Yang, Qingsong1; Zeng, Siquan1; lingjuan@scsio.ac.cn; zyy@scsio.ac.cn; mlwu@scsio.ac.cn; yswang@scsio.ac.cn; dongjunde@vip.163.com; coolj_2007@126.com; s0909501162@163.com; zengsiquan@126.com
2015
发表期刊INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷号16期号:6页码:14039-14055
摘要Seagrass meadows represent one of the highest productive marine ecosystems and are of great ecological and economic values. Recently, they have been confronted with worldwide decline. Fungi play important roles in sustaining the ecosystem health as degraders of polycyclic aromatic hydrocarbons (PAHs), but fewer studies have been conducted in seagrass ecosystems. Hence, we investigated the dynamic variations of the fungal community succession under PAH stress in rhizosphere sediment of seagrasses Enhalus acoroides in this study. Polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE), quantitative PCR (qPCR) and a clone library have been employed to analyze the fungal community's shifts. Sequencing results of DGGE and the clone library showed that the predominant species belong to phyla Ascomycota and Basidiomycota. The abundance of three groups decreased sharply over the incubation period, whereas they demonstrated different fungal diversity patterns. Both the exposure time and the PAH concentrations affected the microbial diversity as assessed by PCR-DGGE analysis. Redundancy analysis (RDA) indicated that significant factors driving community shifts were ammonium and pH (p < 0.05). Significant amounts of the variations (31.1%) were explained by pH and ammonium, illustrating that those two parameters were the most likely ones to influence or be influenced by the fungal communities' changes. Investigation results also indicated that fungal communities in seagrass meadow were very sensitive to PAH-induced stress and may be used as potential indicators for the PAH contamination.
部门归属LMB
学科领域Biochemistry & Molecular Biology ; Chemistry
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/14817
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lingjuan@scsio.ac.cn; zyy@scsio.ac.cn; mlwu@scsio.ac.cn; yswang@scsio.ac.cn; dongjunde@vip.163.com; coolj_2007@126.com; s0909501162@163.com; zengsiquan@126.com
作者单位1.[Ling, Juan
2.Zhang, Yanying
3.Dong, Junde
4.Jiang, Yufeng
5.Yang, Qingsong
6.Zeng, Siquan] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China
7.[Ling, Juan
8.Zhang, Yanying
9.Dong, Junde
10.Jiang, Yufeng
11.Yang, Qingsong
12.Zeng, Siquan] Chinese Acad Sci, Hainan Trop Marine Biol Res Stn, Sanya 57200, Peoples R China
13.[Wu, Meilin
14.Wang, Youshao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
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Ling, Juan,Zhang, Yanying,Wu, Meilin,et al. Fungal Community Successions in Rhizosphere Sediment of Seagrasses Enhalus acoroides under PAHs Stress[J]. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,2015,16(6):14039-14055.
APA Ling, Juan.,Zhang, Yanying.,Wu, Meilin.,Wang, Youshao.,Dong, Junde.,...&zengsiquan@126.com.(2015).Fungal Community Successions in Rhizosphere Sediment of Seagrasses Enhalus acoroides under PAHs Stress.INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,16(6),14039-14055.
MLA Ling, Juan,et al."Fungal Community Successions in Rhizosphere Sediment of Seagrasses Enhalus acoroides under PAHs Stress".INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 16.6(2015):14039-14055.
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