July 7, 2019  |  

Complete genome sequencing and diversity analysis of lipolytic enzymes in Stenotrophomonas maltophilia OUC_Est10

Authors: Dong, Hao and Rui, Junpeng and Sun, Jianan and Li, Xiangzhen and Mao, Xiangzhao

[Objective] The aim of this study was to study the diversity of lipolytic enzymes in Stenotrophomonas maltophilia OUC_Est10. [Methods] Ion exchange chromatography, genome sequencing and heterologous expression were used to study the diversity of lipolytic enzymes in Stenotrophomonas maltophilia OUC_Est10. [Results] Stenotrophomonas maltophilia OUC_Est10 could secret a wide range of lipolytic enzymes (lipases and esterases) as revealed by ion exchange chromatography. The complete genome is of 4668743 bp in length, with an average GC content of 66.25%. Genome annotation indicated the presence of 33 candidate genes whose products possess the predicted lipolytic enzyme activities. Analysis of catalytic features was carried out by expressing five putative lipolytic enzyme genes, and lipolytic enzymes in OUC_Est10 had different catalytic properties. [Conclusion] We proved that Stenotrophomonas maltophilia OUC_Est10 was a good candidate to produce diverse lipolytic enzymes, with potential applications in various fields.

Journal: Acta microbiologica Sinica
DOI: 10.13343/j.cnki.wsxb.20170220
Year: 2017

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