Potassium phosphite primes defense responses in potato against Phytophthora infestans.
Identifieur interne : 001462 ( Main/Exploration ); précédent : 001461; suivant : 001463Potassium phosphite primes defense responses in potato against Phytophthora infestans.
Auteurs : Milagros Florencia Machinandiarena [Argentine] ; María Candela Lobato ; Mariana Laura Feldman ; Gustavo Raúl Daleo ; Adriana Balbina AndreuSource :
- Journal of plant physiology [ 1618-1328 ] ; 2012.
Descripteurs français
- KwdFr :
- Composés du potassium (pharmacologie), Espèces réactives de l'oxygène (métabolisme), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (génétique), Feuilles de plante (microbiologie), Feuilles de plante (métabolisme), Glucanes (métabolisme), Interactions hôte-pathogène (effets des médicaments et des substances chimiques), Interactions hôte-pathogène (génétique), Maladies des plantes (génétique), Maladies des plantes (immunologie), Maladies des plantes (microbiologie), Peroxyde d'hydrogène (métabolisme), Phosphites (pharmacologie), Phytophthora infestans (croissance et développement), Phytophthora infestans (physiologie), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques), Résistance à la maladie (effets des médicaments et des substances chimiques), Résistance à la maladie (immunologie), Solanum tuberosum (effets des médicaments et des substances chimiques), Solanum tuberosum (génétique), Solanum tuberosum (immunologie), Solanum tuberosum (microbiologie), Superoxydes (métabolisme).
- MESH :
- croissance et développement : Phytophthora infestans.
- effets des médicaments et des substances chimiques : Feuilles de plante, Interactions hôte-pathogène, Régulation de l'expression des gènes végétaux, Résistance à la maladie, Solanum tuberosum.
- génétique : Feuilles de plante, Interactions hôte-pathogène, Maladies des plantes, Protéines végétales, Solanum tuberosum.
- immunologie : Maladies des plantes, Résistance à la maladie, Solanum tuberosum.
- microbiologie : Feuilles de plante, Maladies des plantes, Solanum tuberosum.
- métabolisme : Espèces réactives de l'oxygène, Feuilles de plante, Glucanes, Peroxyde d'hydrogène, Protéines végétales, Superoxydes.
- pharmacologie : Composés du potassium, Phosphites.
- physiologie : Phytophthora infestans.
English descriptors
- KwdEn :
- Disease Resistance (drug effects), Disease Resistance (immunology), Gene Expression Regulation, Plant (drug effects), Glucans (metabolism), Host-Pathogen Interactions (drug effects), Host-Pathogen Interactions (genetics), Hydrogen Peroxide (metabolism), Phosphites (pharmacology), Phytophthora infestans (growth & development), Phytophthora infestans (physiology), Plant Diseases (genetics), Plant Diseases (immunology), Plant Diseases (microbiology), Plant Leaves (drug effects), Plant Leaves (genetics), Plant Leaves (metabolism), Plant Leaves (microbiology), Plant Proteins (genetics), Plant Proteins (metabolism), Potassium Compounds (pharmacology), Reactive Oxygen Species (metabolism), Solanum tuberosum (drug effects), Solanum tuberosum (genetics), Solanum tuberosum (immunology), Solanum tuberosum (microbiology), Superoxides (metabolism).
- MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Glucans, Hydrogen Peroxide, Plant Proteins, Reactive Oxygen Species, Superoxides.
- drug effects : Disease Resistance, Gene Expression Regulation, Plant, Host-Pathogen Interactions, Plant Leaves, Solanum tuberosum.
- genetics : Host-Pathogen Interactions, Plant Diseases, Plant Leaves, Solanum tuberosum.
- growth & development : Phytophthora infestans.
- immunology : Disease Resistance, Plant Diseases, Solanum tuberosum.
- metabolism : Plant Leaves.
- microbiology : Plant Diseases, Plant Leaves, Solanum tuberosum.
- chemical , pharmacology : Phosphites, Potassium Compounds.
- physiology : Phytophthora infestans.
Abstract
Although phosphite is widely used to protect plants from pathogenic oomycetes on a wide range of horticultural crops, the molecular mechanisms behind phosphite induced resistance are poorly understood. The aim of this work was to assess the effects of potassium phosphite (KPhi) on potato plant defense responses to infection with Phytophtora infestans (Pi). Pathogen development was severely restricted and there was also an important decrease in lesion size in infected KPhi-treated leaves. We demonstrated that KPhi primed hydrogen peroxide and superoxide anion production in potato leaves at 12 h post-inoculation with Pi. Moreover, the KPhi-treated leaves showed an increased and earlier callose deposition as compared with water-treated plants, beginning 48 h after inoculation. In contrast, callose deposition was not detected in water-treated leaves until 72 h after inoculation. In addition, we carried out RNA gel blot analysis of genes implicated in the responses mediated by salicylic (SA) and jasmonic acid (JA). To this end, we examined the temporal expression pattern of StNPR1 and StWRKY1, two transcription factors related to SA pathway, and StPR1 and StIPII, marker genes related to SA and JA pathways, respectively. The expression of StNPR1 and StWRKY1 was enhanced in response to KPhi treatment. In contrast, StIPII was down regulated in both KPhi- and water-treated leaves, until 48 h after infection with Pi, suggesting that the regulation of this gene could be independent of the KPhi treatment. Our results indicate that KPhi primes the plant for an earlier and more intense response to infection and that SA would mediate this response.
DOI: 10.1016/j.jplph.2012.05.005
PubMed: 22727804
Affiliations:
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de plante</term><term>Glucanes</term><term>Peroxyde d'hydrogène</term><term>Protéines végétales</term><term>Superoxydes</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Composés du potassium</term><term>Phosphites</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Phosphites</term><term>Potassium Compounds</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Phytophthora infestans</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Phytophthora infestans</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although phosphite is widely used to protect plants from pathogenic oomycetes on a wide range of horticultural crops, the molecular mechanisms behind phosphite induced resistance are poorly understood. The aim of this work was to assess the effects of potassium phosphite (KPhi) on potato plant defense responses to infection with Phytophtora infestans (Pi). Pathogen development was severely restricted and there was also an important decrease in lesion size in infected KPhi-treated leaves. We demonstrated that KPhi primed hydrogen peroxide and superoxide anion production in potato leaves at 12 h post-inoculation with Pi. Moreover, the KPhi-treated leaves showed an increased and earlier callose deposition as compared with water-treated plants, beginning 48 h after inoculation. In contrast, callose deposition was not detected in water-treated leaves until 72 h after inoculation. In addition, we carried out RNA gel blot analysis of genes implicated in the responses mediated by salicylic (SA) and jasmonic acid (JA). To this end, we examined the temporal expression pattern of StNPR1 and StWRKY1, two transcription factors related to SA pathway, and StPR1 and StIPII, marker genes related to SA and JA pathways, respectively. The expression of StNPR1 and StWRKY1 was enhanced in response to KPhi treatment. In contrast, StIPII was down regulated in both KPhi- and water-treated leaves, until 48 h after infection with Pi, suggesting that the regulation of this gene could be independent of the KPhi treatment. Our results indicate that KPhi primes the plant for an earlier and more intense response to infection and that SA would mediate this response.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22727804</PMID><DateCompleted><Year>2013</Year><Month>04</Month><Day>10</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1618-1328</ISSN><JournalIssue CitedMedium="Internet"><Volume>169</Volume><Issue>14</Issue><PubDate><Year>2012</Year><Month>Sep</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of plant physiology</Title><ISOAbbreviation>J Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Potassium phosphite primes defense responses in potato against Phytophthora infestans.</ArticleTitle><Pagination><MedlinePgn>1417-24</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jplph.2012.05.005</ELocationID><Abstract><AbstractText>Although phosphite is widely used to protect plants from pathogenic oomycetes on a wide range of horticultural crops, the molecular mechanisms behind phosphite induced resistance are poorly understood. The aim of this work was to assess the effects of potassium phosphite (KPhi) on potato plant defense responses to infection with Phytophtora infestans (Pi). Pathogen development was severely restricted and there was also an important decrease in lesion size in infected KPhi-treated leaves. We demonstrated that KPhi primed hydrogen peroxide and superoxide anion production in potato leaves at 12 h post-inoculation with Pi. Moreover, the KPhi-treated leaves showed an increased and earlier callose deposition as compared with water-treated plants, beginning 48 h after inoculation. In contrast, callose deposition was not detected in water-treated leaves until 72 h after inoculation. In addition, we carried out RNA gel blot analysis of genes implicated in the responses mediated by salicylic (SA) and jasmonic acid (JA). To this end, we examined the temporal expression pattern of StNPR1 and StWRKY1, two transcription factors related to SA pathway, and StPR1 and StIPII, marker genes related to SA and JA pathways, respectively. The expression of StNPR1 and StWRKY1 was enhanced in response to KPhi treatment. In contrast, StIPII was down regulated in both KPhi- and water-treated leaves, until 48 h after infection with Pi, suggesting that the regulation of this gene could be independent of the KPhi treatment. Our results indicate that KPhi primes the plant for an earlier and more intense response to infection and that SA would mediate this response.</AbstractText><CopyrightInformation>Copyright © 2012 Elsevier GmbH. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Machinandiarena</LastName><ForeName>Milagros Florencia</ForeName><Initials>MF</Initials><AffiliationInfo><Affiliation>Instituto de Investigaciones Biológicas, CONICET-UNMDP, Funes 3250 CC1245, 7600 Mar del Plata, Argentina. mfmachin@mdp.edu.ar</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lobato</LastName><ForeName>María Candela</ForeName><Initials>MC</Initials></Author><Author ValidYN="Y"><LastName>Feldman</LastName><ForeName>Mariana Laura</ForeName><Initials>ML</Initials></Author><Author ValidYN="Y"><LastName>Daleo</LastName><ForeName>Gustavo Raúl</ForeName><Initials>GR</Initials></Author><Author ValidYN="Y"><LastName>Andreu</LastName><ForeName>Adriana Balbina</ForeName><Initials>AB</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>06</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>J Plant Physiol</MedlineTA><NlmUniqueID>9882059</NlmUniqueID><ISSNLinking>0176-1617</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005936">Glucans</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017905">Phosphites</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017680">Potassium Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017382">Reactive Oxygen Species</NameOfSubstance></Chemical><Chemical><RegistryNumber>11062-77-4</RegistryNumber><NameOfSubstance UI="D013481">Superoxides</NameOfSubstance></Chemical><Chemical><RegistryNumber>13492-26-7</RegistryNumber><NameOfSubstance UI="C056591">potassium phosphite</NameOfSubstance></Chemical><Chemical><RegistryNumber>9064-51-1</RegistryNumber><NameOfSubstance UI="C048306">callose</NameOfSubstance></Chemical><Chemical><RegistryNumber>BBX060AN9V</RegistryNumber><NameOfSubstance UI="D006861">Hydrogen Peroxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D060467" MajorTopicYN="N">Disease Resistance</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000276" MajorTopicYN="N">immunology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005936" MajorTopicYN="N">Glucans</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054884" MajorTopicYN="N">Host-Pathogen Interactions</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006861" MajorTopicYN="N">Hydrogen Peroxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017905" MajorTopicYN="N">Phosphites</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055750" MajorTopicYN="N">Phytophthora infestans</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000276" MajorTopicYN="N">immunology</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017680" MajorTopicYN="N">Potassium Compounds</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017382" MajorTopicYN="N">Reactive Oxygen Species</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011198" MajorTopicYN="N">Solanum tuberosum</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000276" MajorTopicYN="Y">immunology</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013481" MajorTopicYN="N">Superoxides</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>12</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>05</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>05</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>6</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>6</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>4</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22727804</ArticleId><ArticleId IdType="pii">S0176-1617(12)00195-2</ArticleId><ArticleId IdType="doi">10.1016/j.jplph.2012.05.005</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Argentine</li></country></list><tree><noCountry><name sortKey="Andreu, Adriana Balbina" sort="Andreu, Adriana Balbina" uniqKey="Andreu A" first="Adriana Balbina" last="Andreu">Adriana Balbina Andreu</name><name sortKey="Daleo, Gustavo Raul" sort="Daleo, Gustavo Raul" uniqKey="Daleo G" first="Gustavo Raúl" last="Daleo">Gustavo Raúl Daleo</name><name sortKey="Feldman, Mariana Laura" sort="Feldman, Mariana Laura" uniqKey="Feldman M" first="Mariana Laura" last="Feldman">Mariana Laura Feldman</name><name sortKey="Lobato, Maria Candela" sort="Lobato, Maria Candela" uniqKey="Lobato M" first="María Candela" last="Lobato">María Candela Lobato</name></noCountry><country name="Argentine"><noRegion><name sortKey="Machinandiarena, Milagros Florencia" sort="Machinandiarena, Milagros Florencia" uniqKey="Machinandiarena M" first="Milagros Florencia" last="Machinandiarena">Milagros 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