Transcriptional response of Microcystis aeruginosa to the recruitment promoting-benthic bacteria
文献类型： 外文期刊
作者： Wang, Juan 1 ; Peng, Yuande 2 ; Wang, Zhi 1 ; Zou, Wansheng 3 ; Peng, Xianjin 1 ; Song, Qisheng 4 ;
作者机构： 1.Hunan Normal Univ, Coll Life Sci, Changsha 410081, Peoples R China
2.Chinese Acad Agr Sci, Inst Bast Fiber Crops, Changsha 410205, Peoples R China
3.Hunan Univ Arts & Sci, Dept Life Sci, Changde 415000, Peoples R China
4.Univ Missouri, Div Plant Sci, Columbia, MO 65211 USA
关键词： Microcystis aeruginosa; ribosome; benthic bacteria; chlorophyll a
期刊名称：JOURNAL OF OCEANOLOGY AND LIMNOLOGY （ 影响因子：1.265； 五年影响因子：1.276 ）
ISSN： 2096-5508
年卷期：
页码：
收录情况： SCI
摘要： Blooms of Microcystis aeruginosa occur frequently in many freshwater ecosystems around the world, but the mechanism of recovery has not been fully understood. In our previous study, three benthic bacterial species (E.sp013, Ba.spD06, and Ba.spD24) were identified capable of promoting the recruitment of M. aeruginosa. Here, we further investigated the transcriptional response of M. aeruginosa to the benthic bacteria in early phase of recruitment by means of RNA-Seq analysis. In total, 5 803 803 unigenes on average length of 404 bp were obtained from the transcriptome of M. aeruginosa. There were 54 982 unigenes identified as benthic bacteria-responsive unigenes based on the expression level analysis. Results of the protein-protein interaction analysis (PPI) show that the hub genes of the benthic bacteria responsive unigenes mediated network were ribosomal proteins of 30S and 50S, and the most significant functional module of the network was related to the ribosome. Both the unigenes encoding the translation initiation factors (IF-2, IF-3) and elongation factors (lepA, fusA, and tufA) were up-regulated to respond benthic bacteria. Therefore, it indicates that the benthic bacteria have a positive influence on activating the ribosome during the early recovery stage of M. aeruginosa.
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