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.

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页码：175 / 178

页数：4

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