Document Detail

Effects of Different Carbon Sources on the Growth, Fatty Acids Production, and Expression of Three Desaturase Genes of Mortierella alpina ATCC 16266.
MedLine Citation:
PMID:  21365447     Owner:  NLM     Status:  Publisher    
On the molecular and biochemical levels, the effects of different carbon sources on biomass production, fatty acid biosynthesis, and gene expression of three desaturases were investigated in Mortierella alpina ATCC 16266, at a stationary phase, which is an important filamentous fungus capable of producing various polyunsaturated fatty acids (PUFAs). The maximum mycelial biomass was achieved using sucrose as carbon source. However, the highest productivity of total lipids was shown to be no biomass associated. In addition, glucose was the preferred carbon source for the expression of three desaturase genes compared to others, but the change at the corresponding fatty acid product's level of these desaturase genes was not in accordance with the change measured at the mRNA level among those carbon sources that we utilized. Significant discrepancies between the mRNA expression and the product abundance may indicate post-transcriptional regulatory mechanisms of these desaturases.
Ai-Qun Yu; Jian-Chun Zhu; Biao Zhang; Lai-Jun Xing; Mingchun Li
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-2
Journal Detail:
Title:  Current microbiology     Volume:  -     ISSN:  1432-0991     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7808448     Medline TA:  Curr Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, Nankai University, Tianjin, China.
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