Chuck Delwiche

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The smallest known eukaryotes, at approximately 1-mum diameter, are Ostreococcus tauri and related species of marine phytoplankton. The genome of Ostreococcus lucimarinus has been completed and compared with that of O. tauri. This comparison reveals surprising differences across orthologous chromosomes in the two species from highly syntenic chromosomes in(More)
Homogenates of epidermis from rat skin were centrifuged at 10,000 X g for 20 min. The supernatant fraction ("whole homogenate") catalyzed the demethylation of lanosterol (C(30)) to yield C(27)-sterols. The rate of reaction was measured by the rate of release of (14)CO(2) from the 4-methyl group of lanosterol. Conditions for maximal rates of demethylation(More)
A soluble rat liver protein that stimulates microsomal methyl sterol oxidase activity has been isolated and purified to homogeneity by salt fractionation, differential heat inactivation, two calcium phosphate gel association, and Sephadex filtration. The protein, as isolated, may be dissociated with detergent into subunits with a molecular weight of(More)
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