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	Contrasting patterns of freshwater microbial metabolic potentials and functional gene interactions between an acidic mining lake and a weakly alkaline lake
	Ren, LJ; Song, XY; Jeppesen, E; Xing, P; Liboriussen, L; Xu, XR; Wu, QLL; pxing@niglas.ac.cn; qlwu@niglas.ac.cn
	2018
发表期刊	LIMNOLOGY AND OCEANOGRAPHY
卷号	63页码:S354-S366
摘要	Acidic coal mining lakes (AMLs) are characterized by low pH, low biodiversity, and high concentrations of sulfate and metals. However, to date, knowledge is inadequate on the involvement of the aquatic microbial functions in biogeochemical processes of an AML. Here, we use a natural weakly alkaline lake (WAL) as a reference to investigate the functional gene structure of microbial communities in the aerobic surface waters of an AML by using a metagenomic approach with GeoChip-based functional gene arrays (GeoChip 5.0). We found significant differences in the compositions of the microbial functional genes between the two lake types. The AML had significantly lower gene diversity than the WAL, and the functional genes detected in the AML were almost a subset of those in the WAL. We also found significant differences in the microbial metabolic potentials between the two lake types. In the AML, the microbial communities had higher functional capacities in phosphorus-utilization, sulfur oxidation, and metal-detoxification and had lower metabolic potentials of carbon and nitrogen fixation, and the degradation of starch, hemicellulose, cellulose, chitin, and lignin than those in the WAL. By performing null model and network analyses, we observed stronger deterministic effects of the functional gene assemblages and greater clustering among the co-occurring functional genes in the AML than those in the WAL. Altogether, we demonstrated contrasting patterns of freshwater microbial metabolic potentials and functional gene interactions between an AML and a WAL, which may advance the understanding of microbial functional response to acidification in freshwater lakes.
部门归属	[Ren, Lijuan; Song, Xingyu; Xu, Xiangrong] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol LMB, Guangzhou, Guangdong, Peoples R China; [Ren, Lijuan; Xing, Peng; Wu, Qinglong L.] Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing, Jiangsu, Peoples R China; [Jeppesen, Erik; Liboriussen, Lone] Aarhus Univ, Dept Biosci, Silkeborg, Denmark; [Jeppesen, Erik; Wu, Qinglong L.] Univ Chinese Acad Sci, Sino Danish Ctr Educ & Res, Beijing, Peoples R China
学科领域	Marine & Freshwater Biology ; Oceanography
资助项目	LMB
文献类型	期刊论文
条目标识符	http://ir.scsio.ac.cn/handle/344004/16993
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	pxing@niglas.ac.cn; qlwu@niglas.ac.cn
推荐引用方式 GB/T 7714	Ren, LJ,Song, XY,Jeppesen, E,et al. Contrasting patterns of freshwater microbial metabolic potentials and functional gene interactions between an acidic mining lake and a weakly alkaline lake[J]. LIMNOLOGY AND OCEANOGRAPHY,2018,63:S354-S366.
APA	Ren, LJ.,Song, XY.,Jeppesen, E.,Xing, P.,Liboriussen, L.,...&qlwu@niglas.ac.cn.(2018).Contrasting patterns of freshwater microbial metabolic potentials and functional gene interactions between an acidic mining lake and a weakly alkaline lake.LIMNOLOGY AND OCEANOGRAPHY,63,S354-S366.
MLA	Ren, LJ,et al."Contrasting patterns of freshwater microbial metabolic potentials and functional gene interactions between an acidic mining lake and a weakly alkaline lake".LIMNOLOGY AND OCEANOGRAPHY 63(2018):S354-S366.

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