SGD Paper 
Yazawa H, et al. (2012) Characterization of triglyceride lipase genes of fission yeast Schizosaccharomyces pombe. Appl Microbiol Biotechnol 96(4):981-91
Abstract: Triglycerides (TG) are major storage lipids for eukaryotic cells. In this study, we characterized three genes of fission yeast Schizosaccharomyces pombe, SPCC1450.16c, SPAC1786.01c, and SPAC1A6.05c, that show high homology to Saccharomyces cerevisiae TG lipase genes, TGL3, TGL4, and TGL5. Deletion of each gene increased TG content by approximately 1.7-fold compared to the parental wild-type strain, and their triple deletion mutant further increased TG content to 2.7-fold of the wild-type strain, suggesting that all three genes encode TG lipase and are functioning in S. pombe. The triple deletion mutant showed no growth defect in rich and synthetic medium, but its growth was sensitive to cerulenin, an inhibitor of fatty acid synthesis. This growth defect by cerulenin was restored by adding oleic acid in media, suggesting that these genes were involved in the mobilization of TG in S. pombe. When ricinoleic acid was produced in the triple mutant by introducing CpFAH12 fatty acid hydroxylase gene from Claviceps purpurea, percent composition of ricinoleic acid increased by 1.1-fold compared to the wild-type strain, in addition to a 1.6-fold increase in total fatty acid content per dry cell weight (DCW). In total, the ricinoleic acid production per DCW increased by 1.8-fold in the triple deletion mutant.
| Status: Published | Type: Journal Article | PubMed ID: 22592553 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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