甲胺磷影响下土壤微生物群落结构的动态平衡

龚明; 王进

doi:10.3969/j.jssn.1000-2006.2011.03.002

龚明，王进

南京林业大学学报（自然科学版） ›› 2011, Vol. 35 ›› Issue (03) : 1.

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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

研究论文

甲胺磷影响下土壤微生物群落结构的动态平衡

龚明，王进^*

作者信息 +

The dynamic equilibrium of soil microbial community structure affected by methamidophos

GONG Ming, WANG Jin*

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文章历史 +

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.

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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 https://doi.org/10.3969/j.jssn.1000-2006.2011.03.002

GONG Ming, WANG Jin*. The dynamic equilibrium of soil microbial community structure affected by methamidophos[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2011, 35(03): 1 https://doi.org/10.3969/j.jssn.1000-2006.2011.03.002

中图分类号： S7188

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基金

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.