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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2017.04.004
|2 doi
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|a pubmed24n0905.xml
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|a (DE-627)NLM271636866
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|a (NLM)28478319
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|a (PII)S0176-1617(17)30100-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Upadhyay, Rakesh Kumar
|e verfasserin
|4 aut
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| 245 |
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|a Ectopic expression of a tomato DREB gene affects several ABA processes and influences plant growth and root architecture in an age-dependent manner
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 29.12.2017
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier GmbH. All rights reserved.
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|a Regulation of whole plant growth and adaptive responses by abscisic acid is complex, requires multiple regulators and largely unknown in plants other than Arabidopsis. We show that over-expression of the tomato SlDREB3/SlERF.H12 (DEHYDRATION RESPONSE ELEMENT BINDING PROTEIN3/ETHYLENE RESPONSE FACTOR. H12) gene can negatively affect many ABA-governed processes across tissues. Its expression leads to early germination in presence of ABA and in response to mannitol, NaCl and glucose. Its expression delays ABA-mediated leaf senescence and natural senescence leading to an increase in plant life by about 20days. Transgenic SlDREB3 lines show reduced ABA-mediated inhibition of conductance and transpiration and a greater sensitivity to water stress. Reduction in sensitivity to ABA-mediated stomatal closure leads to higher photosynthetic rates in transgenic plants than controls. Consequently, transgenic SlDREB3 plants produce a larger number of capsules and greater number of seeds with the increase in yield ranging from 18 to 35% in different seasons under well-watered conditions. Root growth, but not shoot growth, also undergoes a profound increase of about 50% in transgenic SlDREB3 lines. The increase occurs in an age-dependent manner with the most prominent changes being observed between 1.5 and 2.5 months in several independent experiments in different years. SlDREB3 thus seems to govern several ABA-regulated processes across tissues, partly through control over ABA levels. It may encode a factor that is most likely a component of the central ABA response machinery
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|a Journal Article
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|a ABA
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|a Germination
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|a Negative regulator
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|a Photosynthesis
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| 650 |
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|a Root
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|a SlDREB3
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 700 |
1 |
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|a Gupta, Asmita
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Soni, Devendra
|e verfasserin
|4 aut
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| 700 |
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|a Garg, Rashmi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pathre, Uday V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nath, Pravendra
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sane, Aniruddha P
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 214(2017) vom: 06. Juli, Seite 97-107
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:214
|g year:2017
|g day:06
|g month:07
|g pages:97-107
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|u http://dx.doi.org/10.1016/j.jplph.2017.04.004
|3 Volltext
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|d 214
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