The Subcellular Distribution of Carotenoids in Phycomyces Blakesleeanus C115 Car-42 Mad-107 (--)

Overview

Journal Biochim Biophys Acta

Specialties Biochemistry
Biophysics

Date 1976 Dec 20

PMID 1009097

Citations 4

Authors

G J Ripley

P M Bramley

Affiliations

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Abstract

1. Subcellular fractions of the C115 car-42 mad-107(--) strain of Phycomyces blakesleeanus, prepared by differential centrifugation, were irreversibly associated with extraneous lipids. Such contamination was avoided by the use of density gradient centrifugation. 2. The two beta-carotene-containing fractions, a particulate fraction and lipid globules, also contained sterol, phospholipid and alkaline p-nitrophenylphosphatase activity. Both fractions revealed close similarities on amino acid analysis.

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