Arbuscular mycorrhizal symbiosis modulates antioxidant response in salt-stressed Trigonella foenum-graecum plants.
Identifieur interne : 001A84 ( Main/Corpus ); précédent : 001A83; suivant : 001A85Arbuscular mycorrhizal symbiosis modulates antioxidant response in salt-stressed Trigonella foenum-graecum plants.
Auteurs : Heikham Evelin ; Rupam KapoorSource :
- Mycorrhiza [ 1432-1890 ] ; 2014.
English descriptors
- KwdEn :
- Antioxidants (metabolism), Catalase (metabolism), Glomeromycota (physiology), Mycorrhizae (physiology), Oxidative Stress (MeSH), Peroxidase (metabolism), Plant Proteins (metabolism), Plant Roots (enzymology), Plant Roots (microbiology), Plant Roots (physiology), Sodium Chloride (metabolism), Stress, Physiological (MeSH), Superoxide Dismutase (metabolism), Symbiosis (MeSH), Trigonella (enzymology), Trigonella (microbiology), Trigonella (physiology).
- MESH :
- chemical , metabolism : Antioxidants, Catalase, Peroxidase, Plant Proteins, Sodium Chloride, Superoxide Dismutase.
- enzymology : Plant Roots, Trigonella.
- microbiology : Plant Roots, Trigonella.
- physiology : Glomeromycota, Mycorrhizae, Plant Roots, Trigonella.
- Oxidative Stress, Stress, Physiological, Symbiosis.
Abstract
An experiment was conducted to evaluate the influence of Glomus intraradices colonization on the activity of antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT), peroxidase (PX), ascorbate peroxidase (APX), and glutathione reductase (GR)] and the accumulation of nonenzymatic antioxidants (ascorbic acid, α-tocopherol, glutathione, and carotenoids) in roots and leaves of fenugreek plants subjected to varying degrees of salinity (0, 50, 100, and 200 mM NaCl) at two time intervals (1 and 14 days after saline treatment, DAT). The antioxidative capacity was correlated with oxidative damage in the same tissue. Under salt stress, lipid peroxidation and H2O2 concentration increased with increasing severity and duration of salt stress (DoS). However, the extent of oxidative damage in mycorrhizal plants was less compared to nonmycorrhizal plants. The study reveals that mycorrhiza-mediated attenuation of oxidative stress in fenugreek plants is due to enhanced activity of antioxidant enzymes and higher concentrations of antioxidant molecules. However, the significant effect of G. intraradices colonization on individual antioxidant molecules and enzymes varied with plant tissue, salinity level, and DoS. The significant effect of G. intraradices colonization on antioxidative enzymes was more evident at 1DAT in both leaves and roots, while the concentrations of antioxidant molecules were significantly influenced at 14DAT. It is proposed that AM symbiosis can improve antioxidative defense systems of plants through higher SOD activity in M plants, facilitating rapid dismutation of O2 (-) to H2O2, and subsequent prevention of H2O2 build-up by higher activities of CAT, APX, and PX. The potential of G. intraradices to ameliorate oxidative stress generated in fenugreek plants by salinity was more evident at higher intensities of salt stress.
DOI: 10.1007/s00572-013-0529-4
PubMed: 24113907
Links to Exploration step
pubmed:24113907Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Arbuscular mycorrhizal symbiosis modulates antioxidant response in salt-stressed Trigonella foenum-graecum plants.</title><author><name sortKey="Evelin, Heikham" sort="Evelin, Heikham" uniqKey="Evelin H" first="Heikham" last="Evelin">Heikham Evelin</name><affiliation><nlm:affiliation>Applied Mycology Laboratory, Department of Botany, University of Delhi, Delhi, 110 007, India.</nlm:affiliation></affiliation></author><author><name sortKey="Kapoor, Rupam" sort="Kapoor, Rupam" uniqKey="Kapoor R" first="Rupam" last="Kapoor">Rupam Kapoor</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24113907</idno><idno type="pmid">24113907</idno><idno type="doi">10.1007/s00572-013-0529-4</idno><idno type="wicri:Area/Main/Corpus">001A84</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001A84</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Arbuscular mycorrhizal symbiosis modulates antioxidant response in salt-stressed Trigonella foenum-graecum plants.</title><author><name sortKey="Evelin, Heikham" sort="Evelin, Heikham" uniqKey="Evelin H" first="Heikham" last="Evelin">Heikham Evelin</name><affiliation><nlm:affiliation>Applied Mycology Laboratory, Department of Botany, University of Delhi, Delhi, 110 007, India.</nlm:affiliation></affiliation></author><author><name sortKey="Kapoor, Rupam" sort="Kapoor, Rupam" uniqKey="Kapoor R" first="Rupam" last="Kapoor">Rupam Kapoor</name></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antioxidants (metabolism)</term><term>Catalase (metabolism)</term><term>Glomeromycota (physiology)</term><term>Mycorrhizae (physiology)</term><term>Oxidative Stress (MeSH)</term><term>Peroxidase (metabolism)</term><term>Plant Proteins (metabolism)</term><term>Plant Roots (enzymology)</term><term>Plant Roots (microbiology)</term><term>Plant Roots (physiology)</term><term>Sodium Chloride (metabolism)</term><term>Stress, Physiological (MeSH)</term><term>Superoxide Dismutase (metabolism)</term><term>Symbiosis (MeSH)</term><term>Trigonella (enzymology)</term><term>Trigonella (microbiology)</term><term>Trigonella (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Antioxidants</term><term>Catalase</term><term>Peroxidase</term><term>Plant Proteins</term><term>Sodium Chloride</term><term>Superoxide Dismutase</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Plant Roots</term><term>Trigonella</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Trigonella</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Trigonella</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Oxidative Stress</term><term>Stress, Physiological</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An experiment was conducted to evaluate the influence of Glomus intraradices colonization on the activity of antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT), peroxidase (PX), ascorbate peroxidase (APX), and glutathione reductase (GR)] and the accumulation of nonenzymatic antioxidants (ascorbic acid, α-tocopherol, glutathione, and carotenoids) in roots and leaves of fenugreek plants subjected to varying degrees of salinity (0, 50, 100, and 200 mM NaCl) at two time intervals (1 and 14 days after saline treatment, DAT). The antioxidative capacity was correlated with oxidative damage in the same tissue. Under salt stress, lipid peroxidation and H2O2 concentration increased with increasing severity and duration of salt stress (DoS). However, the extent of oxidative damage in mycorrhizal plants was less compared to nonmycorrhizal plants. The study reveals that mycorrhiza-mediated attenuation of oxidative stress in fenugreek plants is due to enhanced activity of antioxidant enzymes and higher concentrations of antioxidant molecules. However, the significant effect of G. intraradices colonization on individual antioxidant molecules and enzymes varied with plant tissue, salinity level, and DoS. The significant effect of G. intraradices colonization on antioxidative enzymes was more evident at 1DAT in both leaves and roots, while the concentrations of antioxidant molecules were significantly influenced at 14DAT. It is proposed that AM symbiosis can improve antioxidative defense systems of plants through higher SOD activity in M plants, facilitating rapid dismutation of O2 (-) to H2O2, and subsequent prevention of H2O2 build-up by higher activities of CAT, APX, and PX. The potential of G. intraradices to ameliorate oxidative stress generated in fenugreek plants by salinity was more evident at higher intensities of salt stress. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24113907</PMID><DateCompleted><Year>2014</Year><Month>10</Month><Day>27</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>24</Volume><Issue>3</Issue><PubDate><Year>2014</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal symbiosis modulates antioxidant response in salt-stressed Trigonella foenum-graecum plants.</ArticleTitle><Pagination><MedlinePgn>197-208</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-013-0529-4</ELocationID><Abstract><AbstractText>An experiment was conducted to evaluate the influence of Glomus intraradices colonization on the activity of antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT), peroxidase (PX), ascorbate peroxidase (APX), and glutathione reductase (GR)] and the accumulation of nonenzymatic antioxidants (ascorbic acid, α-tocopherol, glutathione, and carotenoids) in roots and leaves of fenugreek plants subjected to varying degrees of salinity (0, 50, 100, and 200 mM NaCl) at two time intervals (1 and 14 days after saline treatment, DAT). The antioxidative capacity was correlated with oxidative damage in the same tissue. Under salt stress, lipid peroxidation and H2O2 concentration increased with increasing severity and duration of salt stress (DoS). However, the extent of oxidative damage in mycorrhizal plants was less compared to nonmycorrhizal plants. The study reveals that mycorrhiza-mediated attenuation of oxidative stress in fenugreek plants is due to enhanced activity of antioxidant enzymes and higher concentrations of antioxidant molecules. However, the significant effect of G. intraradices colonization on individual antioxidant molecules and enzymes varied with plant tissue, salinity level, and DoS. The significant effect of G. intraradices colonization on antioxidative enzymes was more evident at 1DAT in both leaves and roots, while the concentrations of antioxidant molecules were significantly influenced at 14DAT. It is proposed that AM symbiosis can improve antioxidative defense systems of plants through higher SOD activity in M plants, facilitating rapid dismutation of O2 (-) to H2O2, and subsequent prevention of H2O2 build-up by higher activities of CAT, APX, and PX. The potential of G. intraradices to ameliorate oxidative stress generated in fenugreek plants by salinity was more evident at higher intensities of salt stress. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Evelin</LastName><ForeName>Heikham</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Applied Mycology Laboratory, Department of Botany, University of Delhi, Delhi, 110 007, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kapoor</LastName><ForeName>Rupam</ForeName><Initials>R</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>2013</Year><Month>10</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000975">Antioxidants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>451W47IQ8X</RegistryNumber><NameOfSubstance UI="D012965">Sodium Chloride</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.6</RegistryNumber><NameOfSubstance UI="D002374">Catalase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.7</RegistryNumber><NameOfSubstance UI="D009195">Peroxidase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.15.1.1</RegistryNumber><NameOfSubstance UI="D013482">Superoxide 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