Conserved circadian elements in phylogenetically diverse algae

被引：56
|
作者：
Mittag, M
机构：
[1] Botanisches Institut, Ludwig-Maximilians-Univ. Munchen, 80638 Munich
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1996年 / 93卷 / 25期
关键词：
biological clock; Gonyaulax polyedra; Chlamydomonas reinhardtii; translational control;
D O I：
10.1073/pnas.93.25.14401
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Circadian expression of the luciferin-binding protein (LBP) from the dinoflagellate Gonyaulax polyedra is regulated at the translational level. A small interval in the lbp 3'-untranslated region, which contains seven UG-repeats, serves as a cis-acting element to which a trans-acting factor (CCTR) binds in a circadian manner. Its binding activity correlates negatively with the circadian expression of LBP. Here I report the identification of a protein in the green alga Chlamydomonas reinhardtii that represents a CCTR analog. It binds both specifically and under control of the circadian clock to the UG-repeat region. The data show for the first time that circadian cis-elements implicated in translational regulation have been conserved during evolution.
引用
收藏
页码：14401 / 14404
页数：4
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