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Transcriptional profile of gene clusters involved in the methylerythritol phosphate pathway in Bacillus subtilis 916

文献类型： 外文期刊

作者： Xiao Ya-jing 1 ; Gao Tan-tan 2 ; Peng Qi 2 ; Zhang Jie 2 ; Sun Deng-mei 1 ; Song Fu-ping 2 ;

作者机构： 1.Heilongjiang Bayi Agr Univ, Coll Life Sci & Technol, Daqing 163319, Peoples R China

2.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China

关键词： methylerythritol phosphate pathway; transcription; Bacillus subtilis; biological control

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2019 年 18 卷 3 期

页码：

收录情况： SCI

摘要： The methylerythritol phosphate pathway is responsible for the biosynthesis of terpenoids, the largest class of secondary metabolites. Although the structures and functions of the proteins involved in this pathway have been well studied in Bacillus subtilis, only a few studies have reported the transcriptional profile of the genes involved. Therefore, we analyzed methylerythritol phosphate pathway genes in the genome of B. subtilis 916, which has been developed as a biological control agent against some rice diseases in China. Our results showed that methylerythritol phosphate pathway genes were distributed throughout the genome of this strain. These genes were transcribed during both the exponential and stationary phases. We further confirmed the transcription units of dxs, dxr, ispD, ispF, ipK, ispG, ispH, idi, and ispA in B. subtilis 916 through reverse transcription-PCR analyses; the results showed that these nine genes were located in seven different operons. The transcript start sites of the seven different operons were determined by 5'-rapid amplification of cDNA ends-PCR. Thus, our study provides a molecular basis at the transcriptional level for investigating homoterpene synthesis in the methylerythritol phosphate pathway of B. subtilis 916.

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