Article (Scientific journals)
At least two expressed genes for transcription factors Pitx2 and Rpx are present in common carp and are upregulated during winter acclimatization.
Kausel, Gudrun; Vera, T.; Valenzuela, G. et al.
2010In General and Comparative Endocrinology, 169 (3), p. 250-257
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Abstract :
[en] The mechanisms of seasonal acclimatization in eurythermal fish such as common carp are not fully understood. Here, we concentrate on the regulation of pituitary factors, as this organ was shown to be highly affected by seasonal changes. We cloned and sequenced two different cDNAs for each of the transcription factors Pitx2 and Rpx, known to play a role in pituitary development. We show that these genes are conserved throughout evolution, to different degrees depending on the specific domain considered. Finally, we show that the cDNAs for both factors are clearly up-regulated during the winter season, in sharp contrast to other regulators such as Pit1 or pituitary hormone genes such as prolactin (prl) and growth hormone (gh). Our results suggest that increased expression of Pitx2 and Rpx contributes to seasonal adaptation of common carp to winter conditions.
Research Center/Unit :
AFFISH-RC - Applied and Fundamental FISH Research Center - ULiège
Giga-Development and Stem Cells - ULiège
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Biochemistry, biophysics & molecular biology
Author, co-author :
Kausel, Gudrun
Vera, T.
Valenzuela, G.
Lopez, Marc
Romero, A.
Muller, Marc  ;  Université de Liège - ULiège > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire
Figueroa, J.
Language :
English
Title :
At least two expressed genes for transcription factors Pitx2 and Rpx are present in common carp and are upregulated during winter acclimatization.
Publication date :
2010
Journal title :
General and Comparative Endocrinology
ISSN :
0016-6480
eISSN :
1095-6840
Publisher :
Elsevier, New York, United States - New York
Volume :
169
Issue :
3
Pages :
250-257
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2010. Published by Elsevier Inc.
Available on ORBi :
since 04 January 2011

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