Improved tolerance of maize plants to salt stress by arbuscular mycorrhiza is related to higher accumulation of soluble sugars in roots.
Identifieur interne : 003A30 ( Main/Corpus ); précédent : 003A29; suivant : 003A31Improved tolerance of maize plants to salt stress by arbuscular mycorrhiza is related to higher accumulation of soluble sugars in roots.
Auteurs : G. Feng ; F S Zhang ; X L Li ; C Y Tian ; C. Tang ; Z. RengelSource :
- Mycorrhiza [ 0940-6360 ] ; 2002.
English descriptors
- KwdEn :
- MESH :
- chemical : Phosphorus, Sodium Chloride.
- growth & development : Zea mays.
- microbiology : Plant Roots, Zea mays.
- physiology : Fungi, Mycorrhizae, Plant Roots, Zea mays.
Abstract
The effect of colonization with the arbuscular mycorrhizal (AM) fungus Glomus mosseae (Nicol. & Gerd.) Gerdemann & Trappe on the growth and physiology of NaCl-stressed maize plants ( Zea mays L. cv. Yedan 13) was examined in the greenhouse. Maize plants were grown in sand with 0 or 100 mM NaCl and at two phosphorus (P) (0.05 and 0.1 mM) levels for 34 days, following 34 days of non-saline pre-treatment. Mycorrhizal plants maintained higher root and shoot dry weights. Concentrations of chlorophyll, P and soluble sugars were higher than in non-mycorrhizal plants under given NaCl and P levels. Sodium concentration in roots or shoots was similar in mycorrhizal and non-mycorrhizal plants. Mycorrhizal plants had higher electrolyte concentrations in roots and lower electrolyte leakage from roots than non-mycorrhizal plants under given NaCl and P levels. Although plants in the low P plus AM fungus treatment and those with high P minus AM fungus had similar P concentrations, the mycorrhizal plants still had higher dry weights, soluble sugars and electrolyte concentrations in roots. Similar relationships were observed regardless of the presence or absence of salt stress. Higher soluble sugars and electrolyte concentrations in mycorrhizal plants suggested a higher osmoregulating capacity of these plants. Alleviation of salt stress of a host plant by AM colonization appears not to be a specific effect. Furthermore, higher requirement for carbohydrates by AM fungi induces higher soluble sugar accumulation in host root tissues, which is independent of improvement in plant P status and enhances resistance to salt-induced osmotic stress in the mycorrhizal plant.
DOI: 10.1007/s00572-002-0170-0
PubMed: 12189473
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Tang</name></author><author><name sortKey="Rengel, Z" sort="Rengel, Z" uniqKey="Rengel Z" first="Z" last="Rengel">Z. Rengel</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2002">2002</date><idno type="RBID">pubmed:12189473</idno><idno type="pmid">12189473</idno><idno type="doi">10.1007/s00572-002-0170-0</idno><idno type="wicri:Area/Main/Corpus">003A30</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003A30</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Improved tolerance of maize plants to salt stress by arbuscular mycorrhiza is related to higher accumulation of soluble sugars in roots.</title><author><name sortKey="Feng, G" sort="Feng, G" uniqKey="Feng G" first="G" last="Feng">G. Feng</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, Beijing, PR China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhang, F S" sort="Zhang, F S" uniqKey="Zhang F" first="F S" last="Zhang">F S Zhang</name></author><author><name sortKey="Li, X L" sort="Li, X L" uniqKey="Li X" first="X L" last="Li">X L Li</name></author><author><name sortKey="Tian, C Y" sort="Tian, C Y" uniqKey="Tian C" first="C Y" last="Tian">C Y Tian</name></author><author><name sortKey="Tang, C" sort="Tang, C" uniqKey="Tang C" first="C" last="Tang">C. Tang</name></author><author><name sortKey="Rengel, Z" sort="Rengel, Z" uniqKey="Rengel Z" first="Z" last="Rengel">Z. Rengel</name></author></analytic><series><title level="j">Mycorrhiza</title><idno type="ISSN">0940-6360</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fungi (physiology)</term><term>Mycorrhizae (physiology)</term><term>Phosphorus (MeSH)</term><term>Plant Roots (microbiology)</term><term>Plant Roots (physiology)</term><term>Sodium Chloride (MeSH)</term><term>Zea mays (growth & development)</term><term>Zea mays (microbiology)</term><term>Zea mays (physiology)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Phosphorus</term><term>Sodium Chloride</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Zea mays</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Zea mays</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Zea mays</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The effect of colonization with the arbuscular mycorrhizal (AM) fungus Glomus mosseae (Nicol. & Gerd.) Gerdemann & Trappe on the growth and physiology of NaCl-stressed maize plants ( Zea mays L. cv. Yedan 13) was examined in the greenhouse. Maize plants were grown in sand with 0 or 100 mM NaCl and at two phosphorus (P) (0.05 and 0.1 mM) levels for 34 days, following 34 days of non-saline pre-treatment. Mycorrhizal plants maintained higher root and shoot dry weights. Concentrations of chlorophyll, P and soluble sugars were higher than in non-mycorrhizal plants under given NaCl and P levels. Sodium concentration in roots or shoots was similar in mycorrhizal and non-mycorrhizal plants. Mycorrhizal plants had higher electrolyte concentrations in roots and lower electrolyte leakage from roots than non-mycorrhizal plants under given NaCl and P levels. Although plants in the low P plus AM fungus treatment and those with high P minus AM fungus had similar P concentrations, the mycorrhizal plants still had higher dry weights, soluble sugars and electrolyte concentrations in roots. Similar relationships were observed regardless of the presence or absence of salt stress. Higher soluble sugars and electrolyte concentrations in mycorrhizal plants suggested a higher osmoregulating capacity of these plants. Alleviation of salt stress of a host plant by AM colonization appears not to be a specific effect. Furthermore, higher requirement for carbohydrates by AM fungi induces higher soluble sugar accumulation in host root tissues, which is independent of improvement in plant P status and enhances resistance to salt-induced osmotic stress in the mycorrhizal plant.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12189473</PMID><DateCompleted><Year>2003</Year><Month>02</Month><Day>06</Day></DateCompleted><DateRevised><Year>2015</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0940-6360</ISSN><JournalIssue CitedMedium="Print"><Volume>12</Volume><Issue>4</Issue><PubDate><Year>2002</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Improved tolerance of maize plants to salt stress by arbuscular mycorrhiza is related to higher accumulation of soluble sugars in roots.</ArticleTitle><Pagination><MedlinePgn>185-90</MedlinePgn></Pagination><Abstract><AbstractText>The effect of colonization with the arbuscular mycorrhizal (AM) fungus Glomus mosseae (Nicol. & Gerd.) Gerdemann & Trappe on the growth and physiology of NaCl-stressed maize plants ( Zea mays L. cv. Yedan 13) was examined in the greenhouse. Maize plants were grown in sand with 0 or 100 mM NaCl and at two phosphorus (P) (0.05 and 0.1 mM) levels for 34 days, following 34 days of non-saline pre-treatment. Mycorrhizal plants maintained higher root and shoot dry weights. Concentrations of chlorophyll, P and soluble sugars were higher than in non-mycorrhizal plants under given NaCl and P levels. Sodium concentration in roots or shoots was similar in mycorrhizal and non-mycorrhizal plants. Mycorrhizal plants had higher electrolyte concentrations in roots and lower electrolyte leakage from roots than non-mycorrhizal plants under given NaCl and P levels. Although plants in the low P plus AM fungus treatment and those with high P minus AM fungus had similar P concentrations, the mycorrhizal plants still had higher dry weights, soluble sugars and electrolyte concentrations in roots. Similar relationships were observed regardless of the presence or absence of salt stress. Higher soluble sugars and electrolyte concentrations in mycorrhizal plants suggested a higher osmoregulating capacity of these plants. Alleviation of salt stress of a host plant by AM colonization appears not to be a specific effect. Furthermore, higher requirement for carbohydrates by AM fungi induces higher soluble sugar accumulation in host root tissues, which is independent of improvement in plant P status and enhances resistance to salt-induced osmotic stress in the mycorrhizal plant.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>G</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Department of Plant Nutrition, China Agricultural University, Beijing, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>F S</ForeName><Initials>FS</Initials></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>X L</ForeName><Initials>XL</Initials></Author><Author ValidYN="Y"><LastName>Tian</LastName><ForeName>C Y</ForeName><Initials>CY</Initials></Author><Author ValidYN="Y"><LastName>Tang</LastName><ForeName>C</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Rengel</LastName><ForeName>Z</ForeName><Initials>Z</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>2002</Year><Month>05</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical><Chemical><RegistryNumber>451W47IQ8X</RegistryNumber><NameOfSubstance UI="D012965">Sodium Chloride</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012965" MajorTopicYN="N">Sodium Chloride</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003313" MajorTopicYN="N">Zea mays</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2001</Year><Month>06</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2002</Year><Month>02</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>8</Month><Day>22</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>2</Month><Day>7</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>8</Month><Day>22</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12189473</ArticleId><ArticleId IdType="doi">10.1007/s00572-002-0170-0</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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