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成敏玲,刘陈飞,程丹逸,徐颖,梁运祥.春夏季节东湖不同富营养化区域水体细菌群落的动态变化[J].华中农业大学学报,2017,36(5):52-59
春夏季节东湖不同富营养化区域水体细菌群落的动态变化
Dynamic changes of bacterial community in two eutrophic areas of Donghu Lake in spring and summer
投稿时间:2017-03-22  
DOI:
中文关键词:  东湖  富营养化  细菌群落  高通量测序  相对丰度
英文关键词:Donghu Lake  eutrophication  bacterial community  high-throughput sequencing  relative abundance
基金项目:重大科技专项重点社会发展项目(2015C03004);工业发酵湖北省协同创新中心生物资源微生物转化与应用研究团队
作者单位E-mail
成敏玲 农业微生物学国家重点实验室/华中农业大学生命科学技术学院武汉 430070 minlingcheng@yeah.net 
刘陈飞 农业微生物学国家重点实验室/华中农业大学生命科学技术学院武汉 430070  
程丹逸 农业微生物学国家重点实验室/华中农业大学生命科学技术学院武汉 430070  
徐颖 农业微生物学国家重点实验室/华中农业大学生命科学技术学院武汉 430070  
梁运祥 农业微生物学国家重点实验室/华中农业大学生命科学技术学院武汉 430070 fa-lyx@163.com 
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中文摘要:
      采用高通量测序技术,对东湖2个不同富营养化区域(官桥湖区和海洋世界区,简称H区和L区)在春夏季节水体细菌群落的动态变化进行了研究。结果表明:H区和L区细菌的群落结构相似,放线菌门(Actinobacteria)占优势,其次为蓝藻门(Cyanobacteria)和变形菌门(Proteobacteria)。2个区域细菌的相对丰度随时间的变化出现差异,在门水平上,H区的蓝藻门(10.2%~33.7%)与放线菌门(15.4%~53.1%)波动较大,且两者呈显著负相关,L区则相对稳定;在纲水平上,H区波动明显的是放线菌纲(Actinobacteria)、集球藻亚纲(Synechococcophycideae)、颤藻亚纲(Oscillatoriophycideae)和Chloroplast,L区出现波动的是颤藻亚纲和Chloroplast。L区的多样性指数高于H区。通过RDA分析发现,pH值、水温、溶解氧与2个区域的细菌群落有较强的负相关关系,氮磷比和总磷分别与H区和L区的细菌群落有较强的正相关关系。
英文摘要:
      The dynamic changes of bacterial community in two eutrophic areas including Guanqiao Lake and Sea World,referred to as H and L,of Donghu Lake in spring and summer were studied with high throughput sequencing. The results showed that the bacterial community structures in H and L areas were similar.Actinobacteria were dominated in these area,following by Cyanobacteria and Proteobacteria. The relative bacterial abundance varied with time in both areas tested. A large fluctuation was observed in H area that Cyanobacteria (10.2%-33.7%) and Actinobacteria (15.4%-53.1%) abundance varied with significantly negative correlation,while bacteria were relatively stable in L area at the phylum level. The abundance of several classes including Actinobacteria,Synechococcophycideae,Oscillatoriophycideae and Chloroplast in H area,and the Oscillatoriophycideae and Chloroplast in L area fluctuated greatly. The diversity index of L area was higher than that of H area. Results of RDA analyses showed that pH,water temperature and dissolved oxygen were significantly negatively correlated with bacterial community in both areas,while N/P and TP were strongly positively correlated with bacterial community of H and L areas.
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