Funding for this research was provided by:
National Natural Science Foundation of China (31770073)
Program of Innovation Sources of Qingdao (17-1-1-58-jch)
Text and Data Mining valid from 2019-09-03
Received: 11 July 2019
Accepted: 27 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: Not applicable.
: I hereby give the Journal of Microbial Cell Factories the right and permission to publish this article.
: The authors declare that they have no competing interests.