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Stress-induced synthesis of proline confers tolerance to water deficit in transgenic wheat
Water deficit is one of the main abiotic factors that affect spring wheat planted in subtropical regions. Accumulation of proline appears to be a promising approach to maintain the productivity of plants under stress condition. However, morphological alterations and growth reduction are observed in...
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Published in: | Journal of plant physiology 2007-10, Vol.164 (10), p.1367-1376 |
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container_title | Journal of plant physiology |
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creator | Vendruscolo, Eliane Cristina Gruszka Schuster, Ivan Pileggi, Marcos Scapim, Carlos Alberto Molinari, Hugo Bruno Correa Marur, Celso Jamil Vieira, Luiz Gonzaga Esteves |
description | Water deficit is one of the main abiotic factors that affect spring wheat planted in subtropical regions. Accumulation of proline appears to be a promising approach to maintain the productivity of plants under stress condition. However, morphological alterations and growth reduction are observed in transgenic plants carrying genes coding for osmoprotectants controlled by constitutive promoters. We report here the effects of water deficit on wheat plants transformed with the
Vigna aconitifolia Δ
1-pyrroline-5-carboxylate synthetase (
P5CS) cDNA that encodes the key regulatory enzyme in proline biosynthesis, under the control of a stress-induced promoter complex—AIPC. Transgenic wheat plants submitted to 15 days of water shortage presented a distinct response. We have found that drought resulted in the accumulation of proline. The tolerance to water deficit observed in transgenic plants was mainly due to protection mechanisms against oxidative stress and not caused by osmotic adjustment. |
doi_str_mv | 10.1016/j.jplph.2007.05.001 |
format | article |
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Vigna aconitifolia Δ
1-pyrroline-5-carboxylate synthetase (
P5CS) cDNA that encodes the key regulatory enzyme in proline biosynthesis, under the control of a stress-induced promoter complex—AIPC. Transgenic wheat plants submitted to 15 days of water shortage presented a distinct response. We have found that drought resulted in the accumulation of proline. The tolerance to water deficit observed in transgenic plants was mainly due to protection mechanisms against oxidative stress and not caused by osmotic adjustment.</description><identifier>ISSN: 0176-1617</identifier><identifier>EISSN: 1618-1328</identifier><identifier>DOI: 10.1016/j.jplph.2007.05.001</identifier><identifier>PMID: 17604875</identifier><identifier>CODEN: JPPHEY</identifier><language>eng</language><publisher>Jena: Elsevier GmbH</publisher><subject>abscisic acid-inducible promoter complex ; Biological and medical sciences ; delta 1-pyrroline-5-carboxylate synthetase ; drought ; Drought tolerance ; Fundamental and applied biological sciences. Psychology ; gene expression regulation ; Gene Expression Regulation, Plant ; P5CS ; Plant physiology and development ; plant stress ; Plants, Genetically Modified ; Proline ; Proline - biosynthesis ; Time Factors ; Transformation ; transgenic plants ; Triticum - embryology ; Triticum - genetics ; Triticum - metabolism ; Triticum aestivum ; Vigna ; Water - metabolism ; Water and solutes. Absorption, translocation and permeability ; water stress ; Wheat</subject><ispartof>Journal of plant physiology, 2007-10, Vol.164 (10), p.1367-1376</ispartof><rights>2007 Elsevier GmbH</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c508t-d6d9764d99821388b3d7cf84d53624979293afb96c956972680e009e4a66b63c3</citedby><cites>FETCH-LOGICAL-c508t-d6d9764d99821388b3d7cf84d53624979293afb96c956972680e009e4a66b63c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19135902$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17604875$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vendruscolo, Eliane Cristina Gruszka</creatorcontrib><creatorcontrib>Schuster, Ivan</creatorcontrib><creatorcontrib>Pileggi, Marcos</creatorcontrib><creatorcontrib>Scapim, Carlos Alberto</creatorcontrib><creatorcontrib>Molinari, Hugo Bruno Correa</creatorcontrib><creatorcontrib>Marur, Celso Jamil</creatorcontrib><creatorcontrib>Vieira, Luiz Gonzaga Esteves</creatorcontrib><title>Stress-induced synthesis of proline confers tolerance to water deficit in transgenic wheat</title><title>Journal of plant physiology</title><addtitle>J Plant Physiol</addtitle><description>Water deficit is one of the main abiotic factors that affect spring wheat planted in subtropical regions. Accumulation of proline appears to be a promising approach to maintain the productivity of plants under stress condition. However, morphological alterations and growth reduction are observed in transgenic plants carrying genes coding for osmoprotectants controlled by constitutive promoters. We report here the effects of water deficit on wheat plants transformed with the
Vigna aconitifolia Δ
1-pyrroline-5-carboxylate synthetase (
P5CS) cDNA that encodes the key regulatory enzyme in proline biosynthesis, under the control of a stress-induced promoter complex—AIPC. Transgenic wheat plants submitted to 15 days of water shortage presented a distinct response. We have found that drought resulted in the accumulation of proline. The tolerance to water deficit observed in transgenic plants was mainly due to protection mechanisms against oxidative stress and not caused by osmotic adjustment.</description><subject>abscisic acid-inducible promoter complex</subject><subject>Biological and medical sciences</subject><subject>delta 1-pyrroline-5-carboxylate synthetase</subject><subject>drought</subject><subject>Drought tolerance</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>gene expression regulation</subject><subject>Gene Expression Regulation, Plant</subject><subject>P5CS</subject><subject>Plant physiology and development</subject><subject>plant stress</subject><subject>Plants, Genetically Modified</subject><subject>Proline</subject><subject>Proline - biosynthesis</subject><subject>Time Factors</subject><subject>Transformation</subject><subject>transgenic plants</subject><subject>Triticum - embryology</subject><subject>Triticum - genetics</subject><subject>Triticum - metabolism</subject><subject>Triticum aestivum</subject><subject>Vigna</subject><subject>Water - metabolism</subject><subject>Water and solutes. 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Accumulation of proline appears to be a promising approach to maintain the productivity of plants under stress condition. However, morphological alterations and growth reduction are observed in transgenic plants carrying genes coding for osmoprotectants controlled by constitutive promoters. We report here the effects of water deficit on wheat plants transformed with the
Vigna aconitifolia Δ
1-pyrroline-5-carboxylate synthetase (
P5CS) cDNA that encodes the key regulatory enzyme in proline biosynthesis, under the control of a stress-induced promoter complex—AIPC. Transgenic wheat plants submitted to 15 days of water shortage presented a distinct response. We have found that drought resulted in the accumulation of proline. The tolerance to water deficit observed in transgenic plants was mainly due to protection mechanisms against oxidative stress and not caused by osmotic adjustment.</abstract><cop>Jena</cop><pub>Elsevier GmbH</pub><pmid>17604875</pmid><doi>10.1016/j.jplph.2007.05.001</doi><tpages>10</tpages></addata></record> |
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subjects | abscisic acid-inducible promoter complex Biological and medical sciences delta 1-pyrroline-5-carboxylate synthetase drought Drought tolerance Fundamental and applied biological sciences. Psychology gene expression regulation Gene Expression Regulation, Plant P5CS Plant physiology and development plant stress Plants, Genetically Modified Proline Proline - biosynthesis Time Factors Transformation transgenic plants Triticum - embryology Triticum - genetics Triticum - metabolism Triticum aestivum Vigna Water - metabolism Water and solutes. Absorption, translocation and permeability water stress Wheat |
title | Stress-induced synthesis of proline confers tolerance to water deficit in transgenic wheat |
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