甲胺磷影响下土壤微生物群落结构的动态平衡

doi:10.3969/j.jssn.1000-2006.2011.03.002

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南京林业大学学报（自然科学版） ›› 2011, Vol. 35 ›› Issue (03): 1-.doi: 10.3969/j.jssn.1000-2006.2011.03.002

甲胺磷影响下土壤微生物群落结构的动态平衡

龚明，王进^*

南京大学生命科学学院，医药生物技术国家重点实验室，江苏南京210093

出版日期:2011-06-13 发布日期:2011-06-13
基金资助:
收稿日期：2010-12-28修回日期：2011-04-06基金项目：国家自然科学基金项目(90813035, 30890044)作者简介：龚明（1978—），博士生。*王进（通信作者），教授。Email: lilysearch@163.com。引文格式：龚明，王进. 甲胺磷影响下的土壤微生物群落结构动态平衡［J］. 南京林业大学学报:自然科学版,2011,35(3):6-10.

The dynamic equilibrium of soil microbial community structure affected by methamidophos

GONG Ming, WANG Jin*

State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, China

Online:2011-06-13 Published:2011-06-13

摘要/Abstract

摘要： 采用磷脂脂肪酸(PLFA)作为一种微生物分子标靶，研究不同浓度甲胺磷(C2H8ONPS)输入对土壤微生物群落的影响。结果表明：与对照土壤相比，高浓度甲胺磷分别使细菌PLFAs显著提高 0.85 nmol/g，而使真菌PLFAs显著下降 0.87 nmol/g。甲胺磷并没有使土壤微生物总量发生显著变化，真菌丰度下降和抵抗性细菌群落上升形成了土壤微生物群落结构的动态平衡。分析认为，由甲胺磷输入而产生的H+可能导致这一微生物群落结构的变化。

Abstract: Phospholipid fatty acid (PLFA) as microbial molecular target was used to investigate the impact of different inputs of methamidophos (C2H8ONPS) on soil microbial community. Compared to the control soil, there was an increase of 0.85 nmol/g in the bacterial PLFAs and a decrease of 0.87 nmol/g in the fungi PLFAs, respectively. Our results represented that microbial biomass was not affected significantly by methamidophos. A significant reduction in fungal abundance and a selection of resistant bacterial population constituted the dynamic equilibrium of soil microbial community structure. The changes of soil microbial community structure might be due to H+ provided by methamidophos.

中图分类号:

S7188

龚明,王进. 甲胺磷影响下土壤微生物群落结构的动态平衡[J]. 南京林业大学学报（自然科学版）, 2011, 35(03): 1-.

GONG Ming, WANG Jin*. The dynamic equilibrium of soil microbial community structure affected by methamidophos[J].Journal of Nanjing Forestry University (Natural Science Edition), 2011, 35(03): 1-.DOI: 10.3969/j.jssn.1000-2006.2011.03.002.

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甲胺磷影响下土壤微生物群落结构的动态平衡

The dynamic equilibrium of soil microbial community structure affected by methamidophos

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