NDLI: Membrane lipid profile of an edible basidiomycete Lentinula edodes during growth and cell differentiation

Content Provider	Springer Nature Link
Author	Sakai, Hiromichi Kajiwara, Susumu
Copyright Year	2004
Abstract	The basidiomycetous mushroom Lentinula edodes (Shiitake) exhibits a unique process of cell differentiation termed “fruiting-body formation”. To clarify the relationship between membrane lipids and fruiting-body formation in this fungus, we investigated variations in levels of phospholipids, cerebrosides, fatty acyl residues in the major phospholipids, and fatty acyl and sphingoid base residues in cerebrosides during vegetative growth and fruiting-body formation. PC, PE, and PS were the primary phospholipids in the cells of L. edodes. After a shift in growth temperature of L. edodes mycelia has been shifted from 25 to 18°C, the proportion of unsaturated FA (UFA), such as linoleic acid (18∶2) and oleic acid (18∶1), increased. In contrast, during fruiting-body formation induced by the temperature downshift to 18°C, 18∶2 of PC in the primordia and fruiting bodies decreased, and the UFA of PF and 18∶1 of PC increased compared with the proportions in mycelia growing at 18°C. These results showed that the proportions of fatty acyl residues in PC and PE differed during fruiting-body formation in L. edodes. Moreover, the amount of cerebrosides in primordia increased compared with those in mycelia and fruiting bodies and, in these differentiating tissues, the proportion of 2-hydroxypentadecanoic acid increased whereas that of 2-hydroxyoctadecanoic acid decreased compared with that in the mycelia. However, the proportion of sphingoid base residues in cerebrosides did not change during fruiting-body formation in L. edodes.
Starting Page	67
Ending Page	73
Page Count	7
File Format	PDF
ISSN	00244201
Journal	Lipids
Volume Number	39
Issue Number	1
e-ISSN	15589307
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nutrition Bioorganic Chemistry Medicinal Chemistry Medical Biochemistry Biochemistry Microbial Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Cell Biology Organic Chemistry Biochemistry

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