Systemic jasmonic acid modulation in mycorrhizal tomato plants and its role in induced resistance against Alternaria alternata.
Identifieur interne : 001686 ( Main/Curation ); précédent : 001685; suivant : 001687Systemic jasmonic acid modulation in mycorrhizal tomato plants and its role in induced resistance against Alternaria alternata.
Auteurs : A. Nair [Inde] ; S P Kolet ; H V Thulasiram ; S. BhargavaSource :
- Plant biology (Stuttgart, Germany) [ 1438-8677 ] ; 2015.
Descripteurs français
- KwdFr :
- Acide salicylique (métabolisme), Acétates (métabolisme), Alternaria (MeSH), Cyclopentanes (métabolisme), Feuilles de plante (MeSH), Glomeromycota (MeSH), Gènes de plante (MeSH), Lipoxygenase (métabolisme), Lyases (métabolisme), Lycopersicon esculentum (microbiologie), Lycopersicon esculentum (métabolisme), Maladies des plantes (microbiologie), Mycorhizes (MeSH), Oxylipines (métabolisme), Protéines végétales (métabolisme), Résistance à la maladie (MeSH).
- MESH :
- microbiologie : Lycopersicon esculentum, Maladies des plantes.
- métabolisme : Acide salicylique, Acétates, Cyclopentanes, Lipoxygenase, Lyases, Lycopersicon esculentum, Oxylipines, Protéines végétales.
- Alternaria, Feuilles de plante, Glomeromycota, Gènes de plante, Mycorhizes, Résistance à la maladie.
English descriptors
- KwdEn :
- Acetates (metabolism), Alternaria (MeSH), Cyclopentanes (metabolism), Disease Resistance (MeSH), Genes, Plant (MeSH), Glomeromycota (MeSH), Lipoxygenase (metabolism), Lyases (metabolism), Lycopersicon esculentum (metabolism), Lycopersicon esculentum (microbiology), Mycorrhizae (MeSH), Oxylipins (metabolism), Plant Diseases (microbiology), Plant Leaves (MeSH), Plant Proteins (metabolism), Salicylic Acid (metabolism).
- MESH :
- chemical , metabolism : Acetates, Cyclopentanes, Lipoxygenase, Lyases, Oxylipins, Plant Proteins, Salicylic Acid.
- metabolism : Lycopersicon esculentum.
- microbiology : Lycopersicon esculentum, Plant Diseases.
- Alternaria, Disease Resistance, Genes, Plant, Glomeromycota, Mycorrhizae, Plant Leaves.
Abstract
Tomato plants colonised with the arbuscular mycorrhizal (AM) fungus Glomus fasciculatum show systemic induced resistance to the foliar pathogen Alternaria alternata, as observed in interactions of other AM-colonised plants with a range of pathogens. The role of jasmonic (JA) and salicylic (SA) acid in expression of this mycorrhiza-induced resistance (MIR) against A. alternata was studied by measuring: (i) activity of enzymes reported to be involved in their biosynthesis, namely lipoxygenase (LOX) and phenylammonia lyase (PAL); and (ii) levels of methyl jasmonate (MeJA) and SA. Transcript abundance of some defence genes associated with JA and SA response pathways were also studied. Both LOX and PAL activity increased twofold in response to pathogen application to control plants. AM-colonised plants had three-fold higher LOX activity compared to control plants, but unlike controls, this did not increase further in response to pathogen application. Higher LOX activity in AM-colonised plants correlated with four-fold higher MeJA in leaves of AM-colonised plants compared to controls. Treatment of plants with the JA biosynthesis inhibitor salicylhydroxamic acid (SHAM) led to 50% lower MeJA in both control and AM-colonised plants and correlated with increased susceptibility to A. alternata, suggesting a causal role for JA in expression of MIR against the pathogen. Genes involved in JA biosynthesis (OPR3) and response (COI1) showed six- and 42-fold higher expression, respectively, in leaves of AM-colonised plants compared to controls. AM-colonised plants also showed increased expression of the SA response gene PR1 and that of the wound-inducible polypeptide prosystemin. Our results suggest that the systemic increase in JA in response to AM colonisation plays a key role in expression of MIR against A. alternata.
DOI: 10.1111/plb.12277
PubMed: 25327848
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Bhargava</name></author></analytic><series><title level="j">Plant biology (Stuttgart, Germany)</title><idno type="eISSN">1438-8677</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetates (metabolism)</term><term>Alternaria (MeSH)</term><term>Cyclopentanes (metabolism)</term><term>Disease Resistance (MeSH)</term><term>Genes, Plant (MeSH)</term><term>Glomeromycota (MeSH)</term><term>Lipoxygenase (metabolism)</term><term>Lyases (metabolism)</term><term>Lycopersicon esculentum (metabolism)</term><term>Lycopersicon esculentum (microbiology)</term><term>Mycorrhizae (MeSH)</term><term>Oxylipins (metabolism)</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (MeSH)</term><term>Plant Proteins (metabolism)</term><term>Salicylic Acid (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acide salicylique (métabolisme)</term><term>Acétates (métabolisme)</term><term>Alternaria (MeSH)</term><term>Cyclopentanes (métabolisme)</term><term>Feuilles de plante (MeSH)</term><term>Glomeromycota (MeSH)</term><term>Gènes de plante (MeSH)</term><term>Lipoxygenase (métabolisme)</term><term>Lyases (métabolisme)</term><term>Lycopersicon esculentum (microbiologie)</term><term>Lycopersicon esculentum (métabolisme)</term><term>Maladies des plantes (microbiologie)</term><term>Mycorhizes (MeSH)</term><term>Oxylipines (métabolisme)</term><term>Protéines végétales (métabolisme)</term><term>Résistance à la maladie (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Acetates</term><term>Cyclopentanes</term><term>Lipoxygenase</term><term>Lyases</term><term>Oxylipins</term><term>Plant Proteins</term><term>Salicylic Acid</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Lycopersicon esculentum</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Lycopersicon esculentum</term><term>Maladies des plantes</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Lycopersicon esculentum</term><term>Plant Diseases</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acide salicylique</term><term>Acétates</term><term>Cyclopentanes</term><term>Lipoxygenase</term><term>Lyases</term><term>Lycopersicon esculentum</term><term>Oxylipines</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Alternaria</term><term>Disease Resistance</term><term>Genes, Plant</term><term>Glomeromycota</term><term>Mycorrhizae</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Alternaria</term><term>Feuilles de plante</term><term>Glomeromycota</term><term>Gènes de plante</term><term>Mycorhizes</term><term>Résistance à la maladie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Tomato plants colonised with the arbuscular mycorrhizal (AM) fungus Glomus fasciculatum show systemic induced resistance to the foliar pathogen Alternaria alternata, as observed in interactions of other AM-colonised plants with a range of pathogens. The role of jasmonic (JA) and salicylic (SA) acid in expression of this mycorrhiza-induced resistance (MIR) against A. alternata was studied by measuring: (i) activity of enzymes reported to be involved in their biosynthesis, namely lipoxygenase (LOX) and phenylammonia lyase (PAL); and (ii) levels of methyl jasmonate (MeJA) and SA. Transcript abundance of some defence genes associated with JA and SA response pathways were also studied. Both LOX and PAL activity increased twofold in response to pathogen application to control plants. AM-colonised plants had three-fold higher LOX activity compared to control plants, but unlike controls, this did not increase further in response to pathogen application. Higher LOX activity in AM-colonised plants correlated with four-fold higher MeJA in leaves of AM-colonised plants compared to controls. Treatment of plants with the JA biosynthesis inhibitor salicylhydroxamic acid (SHAM) led to 50% lower MeJA in both control and AM-colonised plants and correlated with increased susceptibility to A. alternata, suggesting a causal role for JA in expression of MIR against the pathogen. Genes involved in JA biosynthesis (OPR3) and response (COI1) showed six- and 42-fold higher expression, respectively, in leaves of AM-colonised plants compared to controls. AM-colonised plants also showed increased expression of the SA response gene PR1 and that of the wound-inducible polypeptide prosystemin. Our results suggest that the systemic increase in JA in response to AM colonisation plays a key role in expression of MIR against A. alternata. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25327848</PMID><DateCompleted><Year>2015</Year><Month>12</Month><Day>30</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>25</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1438-8677</ISSN><JournalIssue CitedMedium="Internet"><Volume>17</Volume><Issue>3</Issue><PubDate><Year>2015</Year><Month>May</Month></PubDate></JournalIssue><Title>Plant biology (Stuttgart, Germany)</Title><ISOAbbreviation>Plant Biol (Stuttg)</ISOAbbreviation></Journal><ArticleTitle>Systemic jasmonic acid modulation in mycorrhizal tomato plants and its role in induced resistance against Alternaria alternata.</ArticleTitle><Pagination><MedlinePgn>625-31</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/plb.12277</ELocationID><Abstract><AbstractText>Tomato plants colonised with the arbuscular mycorrhizal (AM) fungus Glomus fasciculatum show systemic induced resistance to the foliar pathogen Alternaria alternata, as observed in interactions of other AM-colonised plants with a range of pathogens. The role of jasmonic (JA) and salicylic (SA) acid in expression of this mycorrhiza-induced resistance (MIR) against A. alternata was studied by measuring: (i) activity of enzymes reported to be involved in their biosynthesis, namely lipoxygenase (LOX) and phenylammonia lyase (PAL); and (ii) levels of methyl jasmonate (MeJA) and SA. Transcript abundance of some defence genes associated with JA and SA response pathways were also studied. Both LOX and PAL activity increased twofold in response to pathogen application to control plants. AM-colonised plants had three-fold higher LOX activity compared to control plants, but unlike controls, this did not increase further in response to pathogen application. Higher LOX activity in AM-colonised plants correlated with four-fold higher MeJA in leaves of AM-colonised plants compared to controls. Treatment of plants with the JA biosynthesis inhibitor salicylhydroxamic acid (SHAM) led to 50% lower MeJA in both control and AM-colonised plants and correlated with increased susceptibility to A. alternata, suggesting a causal role for JA in expression of MIR against the pathogen. Genes involved in JA biosynthesis (OPR3) and response (COI1) showed six- and 42-fold higher expression, respectively, in leaves of AM-colonised plants compared to controls. AM-colonised plants also showed increased expression of the SA response gene PR1 and that of the wound-inducible polypeptide prosystemin. Our results suggest that the systemic increase in JA in response to AM colonisation plays a key role in expression of MIR against A. alternata. </AbstractText><CopyrightInformation>© 2014 German Botanical Society and The Royal Botanical Society of the Netherlands.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Nair</LastName><ForeName>A</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Botany, University of Pune, Pune, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kolet</LastName><ForeName>S P</ForeName><Initials>SP</Initials></Author><Author ValidYN="Y"><LastName>Thulasiram</LastName><ForeName>H V</ForeName><Initials>HV</Initials></Author><Author ValidYN="Y"><LastName>Bhargava</LastName><ForeName>S</ForeName><Initials>S</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>2015</Year><Month>01</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant Biol (Stuttg)</MedlineTA><NlmUniqueID>101148926</NlmUniqueID><ISSNLinking>1435-8603</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000085">Acetates</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003517">Cyclopentanes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D054883">Oxylipins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>6RI5N05OWW</RegistryNumber><NameOfSubstance UI="C011006">jasmonic acid</NameOfSubstance></Chemical><Chemical><RegistryNumber>900N171A0F</RegistryNumber><NameOfSubstance UI="C072239">methyl jasmonate</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.13.11.12</RegistryNumber><NameOfSubstance UI="D008084">Lipoxygenase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 4.-</RegistryNumber><NameOfSubstance UI="D008190">Lyases</NameOfSubstance></Chemical><Chemical><RegistryNumber>O414PZ4LPZ</RegistryNumber><NameOfSubstance UI="D020156">Salicylic Acid</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000085" MajorTopicYN="N">Acetates</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000528" MajorTopicYN="Y">Alternaria</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003517" MajorTopicYN="N">Cyclopentanes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D060467" MajorTopicYN="Y">Disease Resistance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="N">Genes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="Y">Glomeromycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008084" MajorTopicYN="N">Lipoxygenase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008190" MajorTopicYN="N">Lyases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018551" MajorTopicYN="N">Lycopersicon esculentum</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D054883" MajorTopicYN="N">Oxylipins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D020156" MajorTopicYN="N">Salicylic Acid</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">AM colonisation</Keyword><Keyword MajorTopicYN="N">Alternaria alternata</Keyword><Keyword MajorTopicYN="N">Solanum lycopersicum</Keyword><Keyword MajorTopicYN="N">induced resistance</Keyword><Keyword MajorTopicYN="N">methyl jasmonate</Keyword><Keyword MajorTopicYN="N">salicylhydroxamic acid</Keyword><Keyword MajorTopicYN="N">salicylic acid</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>07</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>10</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>10</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>10</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>12</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25327848</ArticleId><ArticleId IdType="doi">10.1111/plb.12277</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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