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Mitochondria increase three-fold and mitochondrial proteins and lipid change dramatically in postmeristematic cells in young wheat leaves grown in elevated CO2

A dramatic stimulation in mitochondrial biogenesis during the very early stage of leaf development was observed in young wheat plants (Triticum aestivum cv Hereward) grown in elevated CO2 (650 microliter L-1). An almost 3-fold increase in the number of mitochondria was observed in the very young lea...

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Published in:Plant physiology (Bethesda) 1995-06, Vol.108 (2), p.469-474
Main Authors: Robertson, E.J. (University of York, Heslington, York, UK.), Williams, M, Harwood, J.L, Lindsay, J.G, Leaver, C.J, Leech, R.M
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container_title Plant physiology (Bethesda)
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creator Robertson, E.J. (University of York, Heslington, York, UK.)
Williams, M
Harwood, J.L
Lindsay, J.G
Leaver, C.J
Leech, R.M
description A dramatic stimulation in mitochondrial biogenesis during the very early stage of leaf development was observed in young wheat plants (Triticum aestivum cv Hereward) grown in elevated CO2 (650 microliter L-1). An almost 3-fold increase in the number of mitochondria was observed in the very young leaf cells at the base of the first leaf of a 7-d-old wheat plant. In the same cells large increases in the accumulation of a mitochondrial chaperonin protein and the mitochondrial 2-oxoglutarate dehydrogenase complex and pyruvate dehydrogenase complex were detected by immunolabeling. Furthermore, the basal segment also shows a large increase in the rate of radiolabeling of diphosphatidylglycerol, a lipid confined to the inner mitochondrial membrane. This dramatic response in very young leaf cells to elevated CO2 suggests that the numerous documented positive effects of elevated CO2 on wheat leaf development are initiated as early as 12 h postmitosis
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(University of York, Heslington, York, UK.) ; Williams, M ; Harwood, J.L ; Lindsay, J.G ; Leaver, C.J ; Leech, R.M</creator><creatorcontrib>Robertson, E.J. (University of York, Heslington, York, UK.) ; Williams, M ; Harwood, J.L ; Lindsay, J.G ; Leaver, C.J ; Leech, R.M</creatorcontrib><description>A dramatic stimulation in mitochondrial biogenesis during the very early stage of leaf development was observed in young wheat plants (Triticum aestivum cv Hereward) grown in elevated CO2 (650 microliter L-1). An almost 3-fold increase in the number of mitochondria was observed in the very young leaf cells at the base of the first leaf of a 7-d-old wheat plant. In the same cells large increases in the accumulation of a mitochondrial chaperonin protein and the mitochondrial 2-oxoglutarate dehydrogenase complex and pyruvate dehydrogenase complex were detected by immunolabeling. 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(University of York, Heslington, York, UK.)</creatorcontrib><creatorcontrib>Williams, M</creatorcontrib><creatorcontrib>Harwood, J.L</creatorcontrib><creatorcontrib>Lindsay, J.G</creatorcontrib><creatorcontrib>Leaver, C.J</creatorcontrib><creatorcontrib>Leech, R.M</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Plant physiology (Bethesda)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Robertson, E.J. (University of York, Heslington, York, UK.)</au><au>Williams, M</au><au>Harwood, J.L</au><au>Lindsay, J.G</au><au>Leaver, C.J</au><au>Leech, R.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mitochondria increase three-fold and mitochondrial proteins and lipid change dramatically in postmeristematic cells in young wheat leaves grown in elevated CO2</atitle><jtitle>Plant physiology (Bethesda)</jtitle><addtitle>Plant Physiol</addtitle><date>1995-06-01</date><risdate>1995</risdate><volume>108</volume><issue>2</issue><spage>469</spage><epage>474</epage><pages>469-474</pages><issn>0032-0889</issn><eissn>1532-2548</eissn><coden>PPHYA5</coden><abstract>A dramatic stimulation in mitochondrial biogenesis during the very early stage of leaf development was observed in young wheat plants (Triticum aestivum cv Hereward) grown in elevated CO2 (650 microliter L-1). An almost 3-fold increase in the number of mitochondria was observed in the very young leaf cells at the base of the first leaf of a 7-d-old wheat plant. In the same cells large increases in the accumulation of a mitochondrial chaperonin protein and the mitochondrial 2-oxoglutarate dehydrogenase complex and pyruvate dehydrogenase complex were detected by immunolabeling. Furthermore, the basal segment also shows a large increase in the rate of radiolabeling of diphosphatidylglycerol, a lipid confined to the inner mitochondrial membrane. This dramatic response in very young leaf cells to elevated CO2 suggests that the numerous documented positive effects of elevated CO2 on wheat leaf development are initiated as early as 12 h postmitosis</abstract><cop>Rockville, MD</cop><pub>American Society of Plant Physiologists</pub><pmid>12228485</pmid><doi>10.1104/pp.108.2.469</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects ACIDE ORGANIQUE
ACIDOS ORGANICOS
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Biological and medical sciences
Cell biochemistry
Cell physiology
CHIMIE
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
CONTENIDO PROTEICO
DESARROLLO BIOLOGICO
DEVELOPPEMENT BIOLOGIQUE
DIOXIDO DE CARBONO
DIOXYDE DE CARBONE
ESTRUCTURA CELULAR
ETAPAS DE DESARROLLO
FEUILLE
FOSFOLIPIDOS
Fundamental and applied biological sciences. Psychology
HOJAS
IMMUNOLOGIE
IMPOT SUR LE CAPITAL
IMPUESTO AL CAPITAL
INMUNOLOGIA
MERISTEMAS
MERISTEME
MITOCHONDRIE
MITOCONDRIA
MITOSE
MITOSIS
OXIDORREDUCTASAS
OXYDOREDUCTASE
PHOSPHATIDE
Plant physiology and development
PROTEINAS
PROTEINE
QUIMICA
STADE DE DEVELOPPEMENT
STRUCTURE CELLULAIRE
TENEUR EN PROTEINES
TRITICUM AESTIVUM
ULTRAESTRUCTURA
ULTRASTRUCTURE
title Mitochondria increase three-fold and mitochondrial proteins and lipid change dramatically in postmeristematic cells in young wheat leaves grown in elevated CO2
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