Arbuscular mycorrhizal fungi alleviate Cd phytotoxicity by altering Cd subcellular distribution and chemical forms in Zea mays.
Identifieur interne : 000613 ( Main/Corpus ); précédent : 000612; suivant : 000614Arbuscular mycorrhizal fungi alleviate Cd phytotoxicity by altering Cd subcellular distribution and chemical forms in Zea mays.
Auteurs : Xiao-Feng Zhang ; Zun-He Hu ; Ting-Xiu Yan ; Rui-Rui Lu ; Chang-Lian Peng ; Shao-Shan Li ; Yuan-Xiao JingSource :
- Ecotoxicology and environmental safety [ 1090-2414 ] ; 2019.
English descriptors
- KwdEn :
- Biomass (MeSH), Cadmium (analysis), Cadmium (metabolism), Cadmium (toxicity), Cell Wall (metabolism), Glomeromycota (MeSH), Glutathione (metabolism), Mycorrhizae (metabolism), Phytochelatins (metabolism), Plant Development (MeSH), Plant Roots (metabolism), Plant Shoots (metabolism), Soil (chemistry), Soil Pollutants (analysis), Soil Pollutants (toxicity), Symbiosis (MeSH), Vacuoles (metabolism), Zea mays (growth & development), Zea mays (metabolism).
- MESH :
- chemical , analysis : Cadmium, Soil Pollutants.
- chemical , chemistry : Soil.
- chemical , metabolism : Cadmium, Glutathione, Phytochelatins.
- chemical , toxicity : Cadmium, Soil Pollutants.
- growth & development : Zea mays.
- metabolism : Cell Wall, Mycorrhizae, Plant Roots, Plant Shoots, Vacuoles, Zea mays.
- Biomass, Glomeromycota, Plant Development, Symbiosis.
Abstract
Arbuscular mycorrhizal fungus (AMF) can relieve Cd phytotoxicity and improve plant growth, but the mechanisms involved in this process have still been not completely known. In the present work, a pot experiment was conducted to examine productions of glutathione (GSH) and phytochelatins (PCs), and absorption, chemical forms and subcellular distribution of Cd in maize (Zea mays) inoculated with or without AMF (Rhizophagus intraradices (Ri) and Glomus versiforme (Gv)) in Cd-amended soils (0, 1 and 5 mg Cd kg-1 soil). In general, both Ri and Gv inoculation dramatically enhanced biomass production and reduced Cd concentrations in shoots and roots of maize when compared to the non-mycorrhizal treatment. Moreover, both Ri and Gv symbiosis obviously increased contents of GSH and PCs, both in shoots and roots. Subcellular distribution of Cd in maize indicated that most of Cd (more than 90%) was accumulated in cell wall and soluble fraction. In addition, Cd proportions in soluble fractions in shoots of maize inoculated with Gv or Ri were considerably increased, but reduced in cell wall fractions compared to non-mycorrhizal maize, indicating that mycorrhizal symbiosis promoted Cd transfer to vacuoles. Furthermore, proportions of Cd in inorganic and water-soluble forms were declined, but elevated in pectates and proteins-integrated forms in mycorrhizal maize, which suggested that Gv and Ri could convert Cd into inactive forms. These observations could provide a further understanding of potential Cd detoxification mechanism in maize inoculated with AMF.
DOI: 10.1016/j.ecoenv.2018.12.097
PubMed: 30616152
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Electronic address: jingyx@scnu.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2019">2019</date><idno type="RBID">pubmed:30616152</idno><idno type="pmid">30616152</idno><idno type="doi">10.1016/j.ecoenv.2018.12.097</idno><idno type="wicri:Area/Main/Corpus">000613</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000613</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Arbuscular mycorrhizal fungi alleviate Cd phytotoxicity by altering Cd subcellular distribution and chemical forms in Zea mays.</title><author><name sortKey="Zhang, Xiao Feng" sort="Zhang, Xiao Feng" uniqKey="Zhang X" first="Xiao-Feng" last="Zhang">Xiao-Feng Zhang</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Hu, Zun He" sort="Hu, Zun He" uniqKey="Hu Z" first="Zun-He" last="Hu">Zun-He Hu</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Yan, Ting Xiu" sort="Yan, Ting Xiu" uniqKey="Yan T" first="Ting-Xiu" last="Yan">Ting-Xiu Yan</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Rui Rui" sort="Lu, Rui Rui" uniqKey="Lu R" first="Rui-Rui" last="Lu">Rui-Rui Lu</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Peng, Chang Lian" sort="Peng, Chang Lian" uniqKey="Peng C" first="Chang-Lian" last="Peng">Chang-Lian Peng</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Shao Shan" sort="Li, Shao Shan" uniqKey="Li S" first="Shao-Shan" last="Li">Shao-Shan Li</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Jing, Yuan Xiao" sort="Jing, Yuan Xiao" uniqKey="Jing Y" first="Yuan-Xiao" last="Jing">Yuan-Xiao Jing</name><affiliation><nlm:affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China. Electronic address: jingyx@scnu.edu.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Ecotoxicology and environmental safety</title><idno type="eISSN">1090-2414</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Cadmium (analysis)</term><term>Cadmium (metabolism)</term><term>Cadmium (toxicity)</term><term>Cell Wall (metabolism)</term><term>Glomeromycota (MeSH)</term><term>Glutathione (metabolism)</term><term>Mycorrhizae (metabolism)</term><term>Phytochelatins (metabolism)</term><term>Plant Development (MeSH)</term><term>Plant Roots (metabolism)</term><term>Plant Shoots (metabolism)</term><term>Soil (chemistry)</term><term>Soil Pollutants (analysis)</term><term>Soil Pollutants (toxicity)</term><term>Symbiosis (MeSH)</term><term>Vacuoles (metabolism)</term><term>Zea mays (growth & development)</term><term>Zea mays (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Cadmium</term><term>Soil Pollutants</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cadmium</term><term>Glutathione</term><term>Phytochelatins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Cadmium</term><term>Soil Pollutants</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Zea mays</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cell Wall</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Plant Shoots</term><term>Vacuoles</term><term>Zea mays</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Glomeromycota</term><term>Plant Development</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arbuscular mycorrhizal fungus (AMF) can relieve Cd phytotoxicity and improve plant growth, but the mechanisms involved in this process have still been not completely known. In the present work, a pot experiment was conducted to examine productions of glutathione (GSH) and phytochelatins (PCs), and absorption, chemical forms and subcellular distribution of Cd in maize (Zea mays) inoculated with or without AMF (Rhizophagus intraradices (Ri) and Glomus versiforme (Gv)) in Cd-amended soils (0, 1 and 5 mg Cd kg<sup>-1</sup> soil). In general, both Ri and Gv inoculation dramatically enhanced biomass production and reduced Cd concentrations in shoots and roots of maize when compared to the non-mycorrhizal treatment. Moreover, both Ri and Gv symbiosis obviously increased contents of GSH and PCs, both in shoots and roots. Subcellular distribution of Cd in maize indicated that most of Cd (more than 90%) was accumulated in cell wall and soluble fraction. In addition, Cd proportions in soluble fractions in shoots of maize inoculated with Gv or Ri were considerably increased, but reduced in cell wall fractions compared to non-mycorrhizal maize, indicating that mycorrhizal symbiosis promoted Cd transfer to vacuoles. Furthermore, proportions of Cd in inorganic and water-soluble forms were declined, but elevated in pectates and proteins-integrated forms in mycorrhizal maize, which suggested that Gv and Ri could convert Cd into inactive forms. These observations could provide a further understanding of potential Cd detoxification mechanism in maize inoculated with AMF.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">30616152</PMID><DateCompleted><Year>2019</Year><Month>03</Month><Day>18</Day></DateCompleted><DateRevised><Year>2019</Year><Month>03</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1090-2414</ISSN><JournalIssue CitedMedium="Internet"><Volume>171</Volume><PubDate><Year>2019</Year><Month>Apr</Month><Day>30</Day></PubDate></JournalIssue><Title>Ecotoxicology and environmental safety</Title><ISOAbbreviation>Ecotoxicol Environ Saf</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal fungi alleviate Cd phytotoxicity by altering Cd subcellular distribution and chemical forms in Zea mays.</ArticleTitle><Pagination><MedlinePgn>352-360</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0147-6513(18)31395-2</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ecoenv.2018.12.097</ELocationID><Abstract><AbstractText>Arbuscular mycorrhizal fungus (AMF) can relieve Cd phytotoxicity and improve plant growth, but the mechanisms involved in this process have still been not completely known. In the present work, a pot experiment was conducted to examine productions of glutathione (GSH) and phytochelatins (PCs), and absorption, chemical forms and subcellular distribution of Cd in maize (Zea mays) inoculated with or without AMF (Rhizophagus intraradices (Ri) and Glomus versiforme (Gv)) in Cd-amended soils (0, 1 and 5 mg Cd kg<sup>-1</sup> soil). In general, both Ri and Gv inoculation dramatically enhanced biomass production and reduced Cd concentrations in shoots and roots of maize when compared to the non-mycorrhizal treatment. Moreover, both Ri and Gv symbiosis obviously increased contents of GSH and PCs, both in shoots and roots. Subcellular distribution of Cd in maize indicated that most of Cd (more than 90%) was accumulated in cell wall and soluble fraction. In addition, Cd proportions in soluble fractions in shoots of maize inoculated with Gv or Ri were considerably increased, but reduced in cell wall fractions compared to non-mycorrhizal maize, indicating that mycorrhizal symbiosis promoted Cd transfer to vacuoles. Furthermore, proportions of Cd in inorganic and water-soluble forms were declined, but elevated in pectates and proteins-integrated forms in mycorrhizal maize, which suggested that Gv and Ri could convert Cd into inactive forms. These observations could provide a further understanding of potential Cd detoxification mechanism in maize inoculated with AMF.</AbstractText><CopyrightInformation>Copyright © 2018 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xiao-Feng</ForeName><Initials>XF</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Zun-He</ForeName><Initials>ZH</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yan</LastName><ForeName>Ting-Xiu</ForeName><Initials>TX</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Rui-Rui</ForeName><Initials>RR</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Peng</LastName><ForeName>Chang-Lian</ForeName><Initials>CL</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Shao-Shan</ForeName><Initials>SS</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jing</LastName><ForeName>Yuan-Xiao</ForeName><Initials>YX</Initials><AffiliationInfo><Affiliation>Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, College of Life Sciences, South China Normal University, Guangzhou 510631, PR China. Electronic address: jingyx@scnu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>01</Month><Day>04</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Ecotoxicol Environ Saf</MedlineTA><NlmUniqueID>7805381</NlmUniqueID><ISSNLinking>0147-6513</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>00BH33GNGH</RegistryNumber><NameOfSubstance UI="D002104">Cadmium</NameOfSubstance></Chemical><Chemical><RegistryNumber>98726-08-0</RegistryNumber><NameOfSubstance UI="D054811">Phytochelatins</NameOfSubstance></Chemical><Chemical><RegistryNumber>GAN16C9B8O</RegistryNumber><NameOfSubstance UI="D005978">Glutathione</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002104" MajorTopicYN="N">Cadmium</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002473" MajorTopicYN="N">Cell Wall</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="Y">Glomeromycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005978" MajorTopicYN="N">Glutathione</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054811" MajorTopicYN="N">Phytochelatins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D063245" MajorTopicYN="N">Plant Development</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014617" MajorTopicYN="N">Vacuoles</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003313" MajorTopicYN="N">Zea mays</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Arbuscular mycorrhizal fungus</Keyword><Keyword MajorTopicYN="N">Cd</Keyword><Keyword MajorTopicYN="N">Heavy metal</Keyword><Keyword MajorTopicYN="N">Phytochelatins</Keyword><Keyword MajorTopicYN="N">Zea mays</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>11</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>12</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>12</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>1</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>3</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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