NDLI: Expression patterns of cytochrome P450 aromatase genes during ovary development and their responses to temperature stress in female yellow catfish (Pelteobagrus fulvidraco)

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Expression patterns of cytochrome P450 aromatase genes during ovary development and their responses to temperature stress in female yellow catfish (Pelteobagrus fulvidraco)

Genetic differentiation of Japanese sardinella (Sardinella zunasi) populations in the Northwest Pacific revealed by ISSR analysis

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Journal of Ocean University of China : Volume 10, Issue 3, September 2011

Journal of Ocean University of China : Volume 10, Issue 2, June 2011

Journal of Ocean University of China : Volume 10, Issue 1, March 2011

Journal of Ocean University of China : Volume 9

Journal of Ocean University of China : Volume 8

Journal of Ocean University of China : Volume 7

Journal of Ocean University of China : Volume 6

Journal of Ocean University of China : Volume 5

Journal of Ocean University of China : Volume 4

Journal of Ocean University of China : Volume 3

Journal of Ocean University of China : Volume 2

Journal of Ocean University of China : Volume 1

Expression patterns of cytochrome P450 aromatase genes during ovary development and their responses to temperature stress in female yellow catfish (Pelteobagrus fulvidraco)

Content Provider	Springer Nature Link
Author	Liu, Miao Wen, Haishen He, Feng Li, Jifang Shi, Dan Hu, Jian Zhang, Yuanqing Ma, Ruiqin Mu, Weijie Qi, Baoxia
Copyright Year	2011
Abstract	Cytochrome P450 aromatase (P450arom) plays a pivotal role in ovary development. In this study, we used semi-quantitative reverse transcription PCR (RT-PCR) to analyze spatiotemporal expressions of two P450arom genes (CYP19A and CYP19B) and their responses to temperature stress in female yellow catfish (Pelteobagrus fulvidraco). Tissue distribution pattern of CYP19 showed that CYP19B was abundantly expressed in fish brain and ovary (brain > ovary), but weakly in intestines, whereas CYP19A was exclusively expressed in ovary. Semi-quantitative RT-PCR analyses showed high transcript abundance of both CYP19A and CYP19B in the ovarian reproductive cycle, corresponding with serum estradiol-17β (E$_{2}$) levels. Increases in aromatases, serum E$_{2}$ and testosterone (T) levels in fish exposed to higher temperature indicated stimulation of ovarian maturation and recrudescence by heat stress in stages II and V during the ovarian cycle, whereas associated decreases in stage III suggested vitellogenesis inhibition by heat stress. Gene expression of CYP19 was closely related to levels of serum E$_{2}$. Results demonstrated CYP19 played a crucial role in the reproductive cycle of female yellow catfish. Different temperature stress affected CYP19 gene expression in the fish ovarian reproductive cycle. Associated P450arom genes could be useful for studying physiological aspects of yellow catfish.
Starting Page	409
Ending Page	416
Page Count	8
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	10
Issue Number	4
e-ISSN	19935021
Language	English
Publisher	SP Science Press
Publisher Date	2011-10-06
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	P450arom estrogens testosterone ovary temperature Oceanography
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

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