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J Bacteriol. 1981 July; 147(1): 91-96

Unique lipids in Azotobacter vinelandii cysts: synthesis, distribution, and fate during germination.

ABSTRACT

Unique lipids found in Azotobacter vinelandii cysts are derived primarily from beta-hydroxybutyrate used to induce encystment. Tracer studies with beta-[14C]hydroxybutyrate showed that the biosynthesis of these compounds during encystment began at 8 to 12 h after induction and reached maximal levels after 2 days, Seventy percent of these unique lipids were found in the central body of the cysts, and 23% were found in the exine. Pyronic compounds, which are located mostly in the central body, were degraded during germination of the cysts, but little change occurred in the phenolic compounds, which are more uniformly distributed in the cysts.

This article has been cited by other articles:

• Funa, N., Ozawa, H., Hirata, A., Horinouchi, S. (2006). Phenolic lipid synthesis by type III polyketide synthases is essential for cyst formation in Azotobacter vinelandii. Proc. Natl. Acad. Sci. USA 103: 6356-6361 [Abstract] [Full Text]