Light-dependent expression of the cold-regulated gene HvMC1 in barley ( Hordeum vulgare l.)

Genes induced in barley leaves during a combined cold and light stress were identified by RFDD-PCR. One gene, HvMC1, exhibits three conserved domains typical for mitochondrial carrier proteins. HvMC1 is transiently expressed during the combined cold and light stress. Drought stress and methylviologe...

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Published inJournal of thermal biology Vol. 31; no. 6; pp. 473 - 482
Main Authors Philipps, Gabriele, Drzewiecki, Corinna, Barth, Olaf, Zschiesche, Wiebke, Humbeck, Klaus
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.08.2006
Subjects
Abiotic stress
Barley
Cold acclimation
Cor-gene
Hordeum vulgare
Mitochondrial carrier
Photosystem II excitation pressure
Aa
B(p)
Reactive oxygen species
PSII
Amino acids
Photosystem II
Restriction fragment differential display-PCR
Cold acclimation
Open reaction centres
RFDD-PCR
Photosystem II excitation pressure
Base (pairs)
Barley
Hordeum vulgare
Abiotic stress
Cor
Cor-gene
MV
Cold regulated
Mitochondrial carrier
Fv/Fm
ROS
Variable fluorescence/maximal fluorescence=maximal PSII efficiency
Methylviologen
qP
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Summary:Genes induced in barley leaves during a combined cold and light stress were identified by RFDD-PCR. One gene, HvMC1, exhibits three conserved domains typical for mitochondrial carrier proteins. HvMC1 is transiently expressed during the combined cold and light stress. Drought stress and methylviologen treatment result in only very weak induction. In contrast, light intensity greatly affects the cold-dependent expression of HvMC1. A possible regulatory pathway involving chloroplast-derived signals for the expression of HvMC1 is discussed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0306-4565
1879-0992
DOI:10.1016/j.jtherbio.2006.04.002