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A light‐independent oscillatory gene mPer3 in mouse SCN and OVLT
Author(s) -
Takumi Toru,
Taguchi Kouji,
Miyake Shigeru,
Sakakida Yoko,
Takashima Naoyuki,
Matsubara Chiaki,
Maebayashi Yoshiro,
Okumura Ko,
Takekida Seiichi,
Yamamoto Shuzo,
Yagita Kazuhiro,
Yan Lily,
Young Michael W.,
Okamura Hitoshi
Publication year - 1998
Publication title -
the embo journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.484
H-Index - 392
eISSN - 1460-2075
pISSN - 0261-4189
DOI - 10.1093/emboj/17.16.4753
Subject(s) - biology , gene , genetics , microbiology and biotechnology
A new member of the mammalian period gene family, mPer3 , was isolated and its expression pattern characterized in the mouse brain. Like mPer1 , mPer2 and Drosophila period , mPer3 has a dimerization PAS domain and a cytoplasmic localization domain. mPer3 transcripts showed a clear circadian rhythm in the suprachiasmatic nucleus (SCN). Expression of mPer3 was not induced by exposure to light at any phase of the clock, distinguishing this gene from mPer1 and mPer2 . Cycling expression of mPer3 was also found outside the SCN in the organum vasculosum lamina terminalis (OVLT), a potentially key region regulating rhythmic gonadotropin production and pyrogen‐induced febrile phenomena. Thus, mPer3 may contribute to pacemaker functions both inside and outside the SCN.