Adenosine Diphosphate-Glucose Pyrophosphorylase Control of Starch Accumulation in Rust-infected Wheat Leaves.
Identifieur interne : 000161 ( Main/Corpus ); précédent : 000160Adenosine Diphosphate-Glucose Pyrophosphorylase Control of Starch Accumulation in Rust-infected Wheat Leaves.
Auteurs : P W Macdonald ; G A StrobelSource :
- Plant physiology [ 0032-0889 ] ; 1970.
Abstract
The variation in starch content in healthy and Puccinia striiformsi-infected wheat leaves was measured from 5 to 15 days after inoculation. The starch content of diseased leaves relative to healthy leaves decreased from 5 to 9 days, increased from 9 to 12 days to twice that of healthy leaves, and decreased from 12 to 15 days after inoculation. Electron micrographs of plant tissues indicated that the starch accumulated in the chloroplasts of host cells adjacent to fungal hyphae. Variations in sugar phosphates, ATP, and inorganic phosphate were measured during the infection process. ADP-glucose pyrophosphorylase was extracted and partially purified from healthy and diseased leaves. When proportionate concentrations of sugar phosphates and inorganic phosphate found in healthy and diseased leaves during the infection process were placed in the assay mixture, ADP-glucose pyrophosphorylase activity was similar to the pattern of starch accumulation and was almost the inverse of the variation observed in inorganic phosphate in diseased leaves during the infection process. A mechanism to explain the accumulation of starch is presented and discussed. This mechanism is based on the regulation of ADP-glucose pyrophosphorylase by changes in effector molecule concentrations during the infection process. Reasons for these changes are presented.
DOI: 10.1104/pp.46.1.126
PubMed: 16657403
PubMed Central: PMC396546
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Adenosine Diphosphate-Glucose Pyrophosphorylase Control of Starch Accumulation in Rust-infected Wheat Leaves.</title><author><name sortKey="Macdonald, P W" sort="Macdonald, P W" uniqKey="Macdonald P" first="P W" last="Macdonald">P W Macdonald</name><affiliation><nlm:affiliation>Department of Botany and Microbiology, Montana State University, Bozeman, Montana 59715.</nlm:affiliation></affiliation></author><author><name sortKey="Strobel, G A" sort="Strobel, G A" uniqKey="Strobel G" first="G A" last="Strobel">G A Strobel</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1970">1970</date><idno type="RBID">pubmed:16657403</idno><idno type="pmid">16657403</idno><idno type="pmc">PMC396546</idno><idno type="doi">10.1104/pp.46.1.126</idno><idno type="wicri:Area/Main/Corpus">000161</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000161</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Adenosine Diphosphate-Glucose Pyrophosphorylase Control of Starch Accumulation in Rust-infected Wheat Leaves.</title><author><name sortKey="Macdonald, P W" sort="Macdonald, P W" uniqKey="Macdonald P" first="P W" last="Macdonald">P W Macdonald</name><affiliation><nlm:affiliation>Department of Botany and Microbiology, Montana State University, Bozeman, Montana 59715.</nlm:affiliation></affiliation></author><author><name sortKey="Strobel, G A" sort="Strobel, G A" uniqKey="Strobel G" first="G A" last="Strobel">G A Strobel</name></author></analytic><series><title level="j">Plant physiology</title><idno type="ISSN">0032-0889</idno><imprint><date when="1970" type="published">1970</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The variation in starch content in healthy and Puccinia striiformsi-infected wheat leaves was measured from 5 to 15 days after inoculation. The starch content of diseased leaves relative to healthy leaves decreased from 5 to 9 days, increased from 9 to 12 days to twice that of healthy leaves, and decreased from 12 to 15 days after inoculation. Electron micrographs of plant tissues indicated that the starch accumulated in the chloroplasts of host cells adjacent to fungal hyphae. Variations in sugar phosphates, ATP, and inorganic phosphate were measured during the infection process. ADP-glucose pyrophosphorylase was extracted and partially purified from healthy and diseased leaves. When proportionate concentrations of sugar phosphates and inorganic phosphate found in healthy and diseased leaves during the infection process were placed in the assay mixture, ADP-glucose pyrophosphorylase activity was similar to the pattern of starch accumulation and was almost the inverse of the variation observed in inorganic phosphate in diseased leaves during the infection process. A mechanism to explain the accumulation of starch is presented and discussed. This mechanism is based on the regulation of ADP-glucose pyrophosphorylase by changes in effector molecule concentrations during the infection process. Reasons for these changes are presented.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">16657403</PMID><DateCompleted><Year>2010</Year><Month>06</Month><Day>29</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0032-0889</ISSN><JournalIssue CitedMedium="Print"><Volume>46</Volume><Issue>1</Issue><PubDate><Year>1970</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Plant physiology</Title><ISOAbbreviation>Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Adenosine Diphosphate-Glucose Pyrophosphorylase Control of Starch Accumulation in Rust-infected Wheat Leaves.</ArticleTitle><Pagination><MedlinePgn>126-35</MedlinePgn></Pagination><Abstract><AbstractText>The variation in starch content in healthy and Puccinia striiformsi-infected wheat leaves was measured from 5 to 15 days after inoculation. The starch content of diseased leaves relative to healthy leaves decreased from 5 to 9 days, increased from 9 to 12 days to twice that of healthy leaves, and decreased from 12 to 15 days after inoculation. Electron micrographs of plant tissues indicated that the starch accumulated in the chloroplasts of host cells adjacent to fungal hyphae. Variations in sugar phosphates, ATP, and inorganic phosphate were measured during the infection process. ADP-glucose pyrophosphorylase was extracted and partially purified from healthy and diseased leaves. When proportionate concentrations of sugar phosphates and inorganic phosphate found in healthy and diseased leaves during the infection process were placed in the assay mixture, ADP-glucose pyrophosphorylase activity was similar to the pattern of starch accumulation and was almost the inverse of the variation observed in inorganic phosphate in diseased leaves during the infection process. A mechanism to explain the accumulation of starch is presented and discussed. This mechanism is based on the regulation of ADP-glucose pyrophosphorylase by changes in effector molecule concentrations during the infection process. Reasons for these changes are presented.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Macdonald</LastName><ForeName>P W</ForeName><Initials>PW</Initials><AffiliationInfo><Affiliation>Department of Botany and Microbiology, Montana State University, Bozeman, Montana 59715.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Strobel</LastName><ForeName>G A</ForeName><Initials>GA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Physiol</MedlineTA><NlmUniqueID>0401224</NlmUniqueID><ISSNLinking>0032-0889</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1970</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1970</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1970</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16657403</ArticleId><ArticleId IdType="pmc">PMC396546</ArticleId><ArticleId IdType="doi">10.1104/pp.46.1.126</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Plant Physiol. 1969 Mar;44(3):396-402</Citation><ArticleIdList><ArticleId IdType="pubmed">16657074</ArticleId></ArticleIdList></Reference><Reference><Citation>J Biol Chem. 1965 Feb;240:960-2</Citation><ArticleIdList><ArticleId IdType="pubmed">14275162</ArticleId></ArticleIdList></Reference><Reference><Citation>Arch Biochem Biophys. 1963 Aug;102:242-8</Citation><ArticleIdList><ArticleId IdType="pubmed">14061729</ArticleId></ArticleIdList></Reference><Reference><Citation>J Cell Biol. 1963 Apr;17:208-12</Citation><ArticleIdList><ArticleId IdType="pubmed">13986422</ArticleId></ArticleIdList></Reference><Reference><Citation>J Biol Chem. 1951 Nov;193(1):265-75</Citation><ArticleIdList><ArticleId IdType="pubmed">14907713</ArticleId></ArticleIdList></Reference><Reference><Citation>Phytopathology. 1969 Jul;59(7):953-62</Citation><ArticleIdList><ArticleId IdType="pubmed">5799565</ArticleId></ArticleIdList></Reference><Reference><Citation>Plant Physiol. 1968 Mar;43(3):417-27</Citation><ArticleIdList><ArticleId IdType="pubmed">5644247</ArticleId></ArticleIdList></Reference><Reference><Citation>Arch Biochem Biophys. 1967 Mar 20;118(3):702-8</Citation><ArticleIdList><ArticleId IdType="pubmed">6057640</ArticleId></ArticleIdList></Reference><Reference><Citation>Arch Biochem Biophys. 1967 Mar;119(1):454-69</Citation><ArticleIdList><ArticleId IdType="pubmed">6052439</ArticleId></ArticleIdList></Reference><Reference><Citation>J Biol Chem. 1966 Oct 10;241(19):4491-504</Citation><ArticleIdList><ArticleId IdType="pubmed">5922972</ArticleId></ArticleIdList></Reference><Reference><Citation>Biochemistry. 1965 Jul;4(7):1354-61</Citation><ArticleIdList><ArticleId IdType="pubmed">5856636</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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