ONTOGENY OF N-ACETYLTRANSFERASE ACTIVITY RHYTHM IN PINEAL-GLAND OF CHICK-EMBRYO

被引：30
|
作者：
ZEMAN, M [1 ]
ILLNEROVA, H [1 ]
机构：
[1] CZECHOSLOVAK ACAD SCI, INST PHYSIOL, CS-11142 PRAGUE 1, CZECHOSLOVAKIA
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY | 1990年 / 97卷 / 02期
关键词：
D O I：
10.1016/0300-9629(90)90166-P
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：
1. 1. N-acetyltransferase was present in pineal glands of 14-day-old chick embryos though no rhythm either in LL, DD or LD 12:12 was observed in this age. 2. 2. Daily rhythm in pineal NAT activity was found in 18-day-old embryos incubated under LD 12:12 and LD 16:8 but no NAT rhythm was detected in DD or LL. 3. 3. NAT rhythm persists for 2 days in constant darkness and it may be eircadian in nature. 4. 4. Presence of melatonin (85 ± 8 pg/mg tissue) was detected in pineals of 18-day-old chick embryos. © 1990.
引用
收藏
页码：175 / 178
页数：4
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