Heterologous hybridization to a complementary DNA microarray reveals the effect of thermal acclimation in the endothermic bluefin tuna (Thunnus orientalis).

Abstract:

:The temperature stress that pelagic fishes experience can induce physiological and behavioural changes that leave a signature in gene expression profiles. We used a functional genomics approach to identify genes that were up- or down-regulated following thermal stress in the Pacific bluefin tuna. Following the acclimation period, 113, 81 and 196 genes were found to be differentially expressed between the control (20 degrees C) and cold (15 degrees) treatment groups, in ventricle, red muscle and white muscle, respectively. The genes whose expression levels were responsive to thermal acclimation varied according to muscle fibre type, perhaps reflecting the tissue-specific degrees of endothermy characteristic of this species.

journal_name

Mol Ecol

journal_title

Molecular ecology

authors

Castilho PC,Buckley BA,Somero G,Block BA

doi

10.1111/j.1365-294X.2009.04174.x

subject

Has Abstract

pub_date

2009-05-01 00:00:00

pages

2092-102

issue

10

eissn

0962-1083

issn

1365-294X

pii

MEC4174

journal_volume

18

pub_type

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