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  • 2-Hydroxyhexadecanoic and 8,9,13-trihydroxydocosanoic acid accumulation by yeasts treated with fumonisin B1.

2-Hydroxyhexadecanoic and 8,9,13-trihydroxydocosanoic acid accumulation by yeasts treated with fumonisin B1.

Lipids (1993-05-01)
T Kaneshiro, R F Vesonder, R E Peterson, M O Bagby
ABSTRACT

Fumonisin B1 is a sphingolipid-like compound that enhances the accumulation of yeast sphingolipids and 2-hydroxy fatty acids. These lipids occur both as freely extractable and cell bound components in yeast fermentations. Both free and bound 2-hydroxy fatty acids produced by Pichia sydowiorum NRRL Y-7130 were increased when fumonisin B1 (50 mg/L) was added to the usual growth medium containing yeast extract/malt extract/peptone/glucose. Fumonisin-treated cultures contained 38 mg/L more 2-hydroxyhexadecanoic and 15 mg/L more 2-hydroxyoctadecanoic acids than did untreated cultures. By contrast, fumonisin inhibited the accumulation of free 8,9,13-trihydroxydocosanoic acid in Rhodotorula sp. YB-2501 cultures, leading to 240 mg/L lower trihydroxy acid production than by untreated cultures.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
2-Hydroxyhexadecanoic acid, ≥98% (capillary GC)
Sign Into View Organizational & Contract Pricing
SKUPack SizeAvailabilityPrice
1 g
1 Estimated to ship on 23 February 2025
MXP 947.00
5 g
1 Estimated to ship on 23 February 2025
MXP 2,440.00
25 g
1 Estimated to ship on 23 February 2025
MXP 5,865.00

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