Key environmental factors to variation of ammonia-oxidizing archaea community and potential ammonia oxidation rate during agricultural waste composting
文献类型： 外文期刊
作者： Ren, Liheng 1 ; Cai, Changqing 1 ; Zhang, Jiachao 1 ; Yang, Yuan 1 ; Wu, Genyi 1 ; Luo, Lin 1 ; Huang, Hongli 1 ; Zhou, Y 1 ;
作者机构： 1.Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China
2.Int Joint Lab Hunan Agr Typ Pollut Restorat & Wat, Changsha 410128, Hunan, Peoples R China
3.Zhejiang Acad Agr Sci, Environm Resources & Soil Fertilizer Inst, Hangzhou 310021, Zhejiang, Peoples R China
关键词： Agricultural waste; Composting; Ammonia-oxidizing archaea; Potential ammonia oxidation rate; Shaping factors
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2018 年 270 卷
页码：
收录情况： SCI
摘要： In this research, the abundance and structure of AOA amoA gene during agricultural waste composting were determined by quantitative PCR and sequencing techniques, respectively. Pairwise correlations between potential ammonia oxidation (PAO) rate, physicochemical parameters and the AOA abundance were evaluated using Pearson correlation coefficient. Relationships between these parameters, PAO rates and AOA community structure were evaluated by redundancy analysis. Results showed that 22 AOA gene OTUs were divided into the soil/ sediment lineage by phylogenetic analyses. Significant positive correlations were obtained between AOA amoA gene abundance and moisture, ammonium, water soluble carbon (WSC) and organic matter (OM), respectively. Redundancy analysis showed OM, pH and nitrate significantly explained the AOA amoA gene structure. Pearson correlation revealed the PAO rate correlated positively to ammonium, AOA amoA gene abundance. These results indicated that AOA communities sense the fluctuations in surrounding environment, and ultimately react and influence the nitrogen transformation during agricultural waste composting.
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