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. 1976 Jan;73(1):24-8.
doi: 10.1073/pnas.73.1.24.

Isolation and characterization of an unsaturated fatty acid-requiring mutant of cultured mammalian cells

T Y Chang, P R Vagelos

Isolation and characterization of an unsaturated fatty acid-requiring mutant of cultured mammalian cells

T Y Chang et al. Proc Natl Acad Sci U S A. 1976 Jan.

Abstract

An unsaturated fatty acid-requiring mutant derived from Chinese hamster ovary (CHO) cells has been isolated and characterized. This mutant grows normally when oleate or other unsaturated fatty acids are supplemented in the growth medium. Unlike the wild-type CHO cells, growth stops when medium is deprived of unsaturated fatty acid. Whole cell pulse experiments with [14C]acetate or [14C]stearate indicate that the mutant is defective in unsaturated fatty acid synthesis. Enzyme assays in vitro show that the enzymatic defect of the mutant is localized to the microsomal stearoyl-CoA desaturase.

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References

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