期刊
BRAZILIAN JOURNAL OF MICROBIOLOGY
卷 50, 期 1, 页码 79-84出版社
SPRINGER
DOI: 10.1007/s42770-019-00040-2
关键词
Comparative proteomic; Hyphozyma roseonigra; Sclareol; Sclareol glycol; Ambroxide
类别
资金
- National Natural Science Foundation of China [31200078]
- Shandong Province Science and Technology Project [ZR2017MC023, 2015GSF117034]
- Jinan Youth Science and Technology Star Project [201406021]
Sclareol is an important intermediate for ambroxide synthesis industries. Hyphozyma roseonigra ATCC 20624 was the only reported strain capable of degrading sclareol to the main product of sclareol glycol, which is the precursor of ambroxide. To date, knowledge is lacking about the effects of sclareol on cells and the proteins involved in sclareol metabolism. Comparative proteomic analyses were conducted on the strain H. roseonigra ATCC 20624 by using sclareol or glucose as the sole carbon source. A total of 79 upregulated protein spots with a>2.0-fold difference in abundance on 2-D gels under sclareol stress conditions were collected for further identification. Seventy spots were successfully identified and finally integrated into 30 proteins. The upregulated proteins under sclareol stress are involved in carbon metabolism and nitrogen metabolism, and replication, transcription, and translation processes. Eighteen upregulated spots were identified as aldehyde dehydrogenases, which indicating that aldehyde dehydrogenases might play an important role in sclareol metabolism. Overall, this study may lay the fundamentals for further cell engineering to improve sclareol glycol production.
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