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The transduction of the signal for grape bud dormancy breaking induced by hydrogen cyanamide may involve the SNF-like protein kinase GDBRPK
Year:
2000
Source of publication :
Plant Molecular Biology
Authors :
Eyal, Yoram
;
.
Ogrodovitch, Aliza
;
.
Or, Etti
;
.
Vilozny, Iris
;
.
Volume :
43
Co-Authors:
Or, E., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Vilozny, I., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Eyal, Y., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Ogrodovitch, A., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Facilitators :
From page:
483
To page:
494
(
Total pages:
12
)
Abstract:
Alterations in gene expression during early stages of dormancy release in grapevine buds were analyzed to facilitate the identification of gene products that may mediate the signal transduction of a dormancy-release signal, or derepression of meristematic activity. In the present report we describe the identification of GDBRPK, a transcript for an SNF-like protein kinase that is up-regulated upon chemical induction of dormancy release by hydrogen cyanamide (HC). Since SNF and SNF-like protein kinases are known as sensors of stress signals, we hypothesize that GDBRPK may be involved in the perception of a stress signal induced by HC. We also describe a simultaneous and remarkable induction of both PDC and ADH transcripts that was observed shortly after HC application, and was of a transient nature. These data may imply that HC application leads to a transient respiratory stress, which likely results in a temporary increase in the AMP/ATP ratio. Since AMP is known as a stress signal that is sensed by SNF-like kinases, we suggest that the SNF-like GDBRPK could serve as the sensor of this signal.
Note:
Related Files :
alcohol dehydrogenase
dormancy
grape
protein kinase
Sequence Homology, Amino Acid
stress
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Related Content
More details
DOI :
10.1023/A:1006450516982
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
18899
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:25
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Scientific Publication
The transduction of the signal for grape bud dormancy breaking induced by hydrogen cyanamide may involve the SNF-like protein kinase GDBRPK
43
Or, E., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Vilozny, I., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Eyal, Y., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
Ogrodovitch, A., Department of Tree Breeding, Institute of Horticulture, Agricultural Research Organization, P.O.B. 6, Bet Dagan 50-250, Israel
The transduction of the signal for grape bud dormancy breaking induced by hydrogen cyanamide may involve the SNF-like protein kinase GDBRPK
Alterations in gene expression during early stages of dormancy release in grapevine buds were analyzed to facilitate the identification of gene products that may mediate the signal transduction of a dormancy-release signal, or derepression of meristematic activity. In the present report we describe the identification of GDBRPK, a transcript for an SNF-like protein kinase that is up-regulated upon chemical induction of dormancy release by hydrogen cyanamide (HC). Since SNF and SNF-like protein kinases are known as sensors of stress signals, we hypothesize that GDBRPK may be involved in the perception of a stress signal induced by HC. We also describe a simultaneous and remarkable induction of both PDC and ADH transcripts that was observed shortly after HC application, and was of a transient nature. These data may imply that HC application leads to a transient respiratory stress, which likely results in a temporary increase in the AMP/ATP ratio. Since AMP is known as a stress signal that is sensed by SNF-like kinases, we suggest that the SNF-like GDBRPK could serve as the sensor of this signal.
Scientific Publication
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