Influence of lignin and oxygen on the growth and the lipid formation of the fungus Lentinus tigrinus
2014
Ivashechkin, A. A. | Sergeeva, Ya. E. | Lunin, V. V. | Bogdan, V. I. | Mysyakina, I. S. | Feofilova, E. P.
During cultivation of the filamentous fungus Lentinus tigrinus on a medium containing lignin, a high oxygen content stimulated the growth of the fungus and contributed to the yield of lipids. A high content of phosphatidic acid and a reduction in the level of phosphatidylethanolamine and phosphatidylserine were first detected in the composition of phospholipids. Changes in the composition of neutral lipids, such as variation in the ratio of esterified and free sterols, have occurred; thus, the amount of sterol esters reduced simultaneously with a decrease in the content of free fatty acids. Based on the obtained results, the possible role of phosphatidic acid as a second messenger in the process of the consumption of lignin by the fungus Lentinus tigrinus is discussed.
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