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题名: EFFECTS OF SUBMERGED MACROPHYTES Ceratophyllum demersum L. ON SEDIMENT MICROBIAL COMMUNITY
作者: Dai, Yanran1, 2; Chang, Junjun3; Zhang, Liping1; Wu, Zhenbin1; Liang, Wei1
通讯作者: Liang, W (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: sediment microbial community ; PLFAs ; Ceratophyllum demersum L. ; submerged macrophytes
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2014
卷: 23, 期:10, 页:2474-2480
收录类别: SCI
文章类型: Article
部门归属: [Dai, Yanran ; Zhang, Liping ; Wu, Zhenbin ; Liang, Wei] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; [Dai, Yanran] Tongji Univ, Key Lab Yangtze River Water Environm, Minist Educ, Shanghai 200092, Peoples R China ; [Chang, Junjun] Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Phospholipid fatty acids (PLFAs) were used to evaluate the effects of submerged macrophytes Ceratophyllum demersum L. on sediment microbial community structure in mesocosms. Different microfloras were observed in rhizosphere and non-rhizosphere sediments with C. demersum revegetation and control. More anaerobic bacteria were found in the sediment with C. demersum, especially in the non-rhizosphere sediment (P < 0.05). The monounsaturated FAs representing Gram-negative (Gram) bacteria were relatively abundant in the presence of C. demersum, while the ratios of normal saturated to monounsaturated PLFAs in the sediments (rhizosphere & non-rhizosphere) were both significantly lower than those of control (P < 0.05). A shift in composition from Gram-positive bacteria (Gram) to more Gram(-) bacteria dominated bacterial community due to C. demersum revegetation was noted. Based on the ratio of the sum of iso and anteiso fatty acids of 15:0 to 16:0 ((i15:0+a15:0)/16:0) and the Shannon-Wiener diversity index (H-b'), the colonization of C. demersum was determined to cause low diversity of microbial community in rhizosphere, and high diversity in non-rhizosphere.
关键词[WOS]: SUBSTRATE UTILIZATION PATTERNS ; FATTY-ACID PROFILES ; SHALLOW LAKES ; BACTERIAL ; SOIL ; BACTERIOPLANKTON ; WATER ; RETENTION ; TAIHU ; PHYTOPLANKTON
语种: 英语
WOS记录号: WOS:000349805200014
ISSN号: 1018-4619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23951
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Tongji Univ, Key Lab Yangtze River Water Environm, Minist Educ, Shanghai 200092, Peoples R China
3.Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China
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文件名: EFFECTS OF SUBMERGED MACROPHYTES Ceratophyllum demersum L. ON SEDIMENT MICROBIAL COMMUNITY.pdf
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