22-TRANS-CHOLESTA-5,22,24-TRIEN-3BETA-OL - AN INTERMEDIATE IN CONVERSION OF STIGMASTEROL TO CHOLESTEROL IN TOBACCO HORNWORM, MANDUCA SEXTA (JOHANNSON)

被引:34
作者
SVOBODA, JA
HUTCHINS, RF
THOMPSON, MJ
ROBBINS, WE
机构
[1] Insect Physiology Laboratory, Agricultural Research Service, U. S. Department of Agriculture Beltsville
关键词
D O I
10.1016/S0039-128X(69)80041-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A new sterol, 22-trans-cholesta-5,22,24-trien-3β-ol, was isolated and identified as an intermediate in the conversion of stigmasterol to cholesterol in the tobacco hornworm. This intermediate, which is normally present in stigmasterol-fed insects, accumulates when the conversion of stigmasterol to cholesterol is inhibited by 20,25-diazacholesterol. Synthetic 22-trans-cholesta-5,22,24-trien-3β-ol supported normal growth and development and was converted to cholesterol by the tobacco hornworm. © 1968 Holden-Day, Inc.
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收藏
页码:469 / &
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