Effects of arbuscular mycorrhizal colonization and phosphorus application on nuclear ploidy in Allium porrum plants.
Identifieur interne : 003652 ( Main/Corpus ); précédent : 003651; suivant : 003653Effects of arbuscular mycorrhizal colonization and phosphorus application on nuclear ploidy in Allium porrum plants.
Auteurs : Anna Fusconi ; Guido Lingua ; Antonio Trotta ; Graziella BertaSource :
- Mycorrhiza [ 0940-6360 ] ; 2005.
English descriptors
- KwdEn :
- Cell Nucleus (drug effects), Cell Nucleus (genetics), DNA, Plant (drug effects), DNA, Plant (genetics), Mycorrhizae (drug effects), Mycorrhizae (growth & development), Onions (drug effects), Onions (genetics), Onions (growth & development), Onions (microbiology), Phosphorus (administration & dosage), Phosphorus (pharmacology), Plant Leaves (drug effects), Plant Leaves (genetics), Plant Leaves (microbiology), Plant Roots (drug effects), Plant Roots (genetics), Plant Roots (microbiology), Polyploidy (MeSH).
- MESH :
- chemical , administration & dosage : Phosphorus.
- chemical , drug effects : DNA, Plant.
- drug effects : Cell Nucleus, Mycorrhizae, Onions, Plant Leaves, Plant Roots.
- genetics : Cell Nucleus, DNA, Plant, Onions, Plant Leaves, Plant Roots.
- growth & development : Mycorrhizae, Onions.
- microbiology : Onions, Plant Leaves, Plant Roots.
- chemical , pharmacology : Phosphorus.
- Polyploidy.
Abstract
Arbuscular mycorrhizal (AM) colonization can strongly affect the plant cell nucleus, causing displacement from the periphery to the center of the cell, hypertrophy and polyploidization. The hypertrophy response has been shown in a variety of AM plants whilst polyploidization has been reported only in Lycopersicon esculentum, a multiploid species with a small genome. In order to determine whether polyploidization is a general plant response to AM colonization, analyses were performed on Allium porrum, a plant with a large genome, which is much less subject to polyploidization than L. esculentum. The ploidy status of leaves, complete root systems and four zones of the adventitious roots was investigated in relation to phosphorus content, AM colonization and root differentiation in A. porrum plants grown under two different regimes of phosphate nutrition in order to distinguish direct effects of the fungus from those of improved nutrition. Results showed the presence of two nuclear populations (2C and 4C) in all treatments and samples. Linear regression analyses suggested a general negative correlation between phosphorus content and the proportion of 2C nuclei. The percentage of 2C nuclei (and consequently that of 4C nuclei), was also influenced by AM colonization, differentiation and ageing of the root cells, which resulted in earlier occurrence, in time and space, of polyploid nuclei.
DOI: 10.1007/s00572-004-0338-x
PubMed: 15565274
Links to Exploration step
pubmed:15565274Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of arbuscular mycorrhizal colonization and phosphorus application on nuclear ploidy in Allium porrum plants.</title><author><name sortKey="Fusconi, Anna" sort="Fusconi, Anna" uniqKey="Fusconi A" first="Anna" last="Fusconi">Anna Fusconi</name><affiliation><nlm:affiliation>Dipartimento di Biologia Vegetale, Università di Torino, Viale Mattioli 25, 10125 Torino, Italy. anna.fusconi@unito.it</nlm:affiliation></affiliation></author><author><name sortKey="Lingua, Guido" sort="Lingua, Guido" uniqKey="Lingua G" first="Guido" last="Lingua">Guido Lingua</name></author><author><name sortKey="Trotta, Antonio" sort="Trotta, Antonio" uniqKey="Trotta A" first="Antonio" last="Trotta">Antonio Trotta</name></author><author><name sortKey="Berta, Graziella" sort="Berta, Graziella" uniqKey="Berta G" first="Graziella" last="Berta">Graziella Berta</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15565274</idno><idno type="pmid">15565274</idno><idno type="doi">10.1007/s00572-004-0338-x</idno><idno type="wicri:Area/Main/Corpus">003652</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003652</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Effects of arbuscular mycorrhizal colonization and phosphorus application on nuclear ploidy in Allium porrum plants.</title><author><name sortKey="Fusconi, Anna" sort="Fusconi, Anna" uniqKey="Fusconi A" first="Anna" last="Fusconi">Anna Fusconi</name><affiliation><nlm:affiliation>Dipartimento di Biologia Vegetale, Università di Torino, Viale Mattioli 25, 10125 Torino, Italy. anna.fusconi@unito.it</nlm:affiliation></affiliation></author><author><name sortKey="Lingua, Guido" sort="Lingua, Guido" uniqKey="Lingua G" first="Guido" last="Lingua">Guido Lingua</name></author><author><name sortKey="Trotta, Antonio" sort="Trotta, Antonio" uniqKey="Trotta A" first="Antonio" last="Trotta">Antonio Trotta</name></author><author><name sortKey="Berta, Graziella" sort="Berta, Graziella" uniqKey="Berta G" first="Graziella" last="Berta">Graziella Berta</name></author></analytic><series><title level="j">Mycorrhiza</title><idno type="ISSN">0940-6360</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cell Nucleus (drug effects)</term><term>Cell Nucleus (genetics)</term><term>DNA, Plant (drug effects)</term><term>DNA, Plant (genetics)</term><term>Mycorrhizae (drug effects)</term><term>Mycorrhizae (growth & development)</term><term>Onions (drug effects)</term><term>Onions (genetics)</term><term>Onions (growth & development)</term><term>Onions (microbiology)</term><term>Phosphorus (administration & dosage)</term><term>Phosphorus (pharmacology)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (genetics)</term><term>Plant Leaves (microbiology)</term><term>Plant Roots (drug effects)</term><term>Plant Roots (genetics)</term><term>Plant Roots (microbiology)</term><term>Polyploidy (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Phosphorus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="drug effects" xml:lang="en"><term>DNA, Plant</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Cell Nucleus</term><term>Mycorrhizae</term><term>Onions</term><term>Plant Leaves</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Cell Nucleus</term><term>DNA, Plant</term><term>Onions</term><term>Plant Leaves</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term><term>Onions</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Onions</term><term>Plant Leaves</term><term>Plant Roots</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Phosphorus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Polyploidy</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arbuscular mycorrhizal (AM) colonization can strongly affect the plant cell nucleus, causing displacement from the periphery to the center of the cell, hypertrophy and polyploidization. The hypertrophy response has been shown in a variety of AM plants whilst polyploidization has been reported only in Lycopersicon esculentum, a multiploid species with a small genome. In order to determine whether polyploidization is a general plant response to AM colonization, analyses were performed on Allium porrum, a plant with a large genome, which is much less subject to polyploidization than L. esculentum. The ploidy status of leaves, complete root systems and four zones of the adventitious roots was investigated in relation to phosphorus content, AM colonization and root differentiation in A. porrum plants grown under two different regimes of phosphate nutrition in order to distinguish direct effects of the fungus from those of improved nutrition. Results showed the presence of two nuclear populations (2C and 4C) in all treatments and samples. Linear regression analyses suggested a general negative correlation between phosphorus content and the proportion of 2C nuclei. The percentage of 2C nuclei (and consequently that of 4C nuclei), was also influenced by AM colonization, differentiation and ageing of the root cells, which resulted in earlier occurrence, in time and space, of polyploid nuclei.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15565274</PMID><DateCompleted><Year>2007</Year><Month>03</Month><Day>27</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0940-6360</ISSN><JournalIssue CitedMedium="Print"><Volume>15</Volume><Issue>5</Issue><PubDate><Year>2005</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Effects of arbuscular mycorrhizal colonization and phosphorus application on nuclear ploidy in Allium porrum plants.</ArticleTitle><Pagination><MedlinePgn>313-21</MedlinePgn></Pagination><Abstract><AbstractText>Arbuscular mycorrhizal (AM) colonization can strongly affect the plant cell nucleus, causing displacement from the periphery to the center of the cell, hypertrophy and polyploidization. The hypertrophy response has been shown in a variety of AM plants whilst polyploidization has been reported only in Lycopersicon esculentum, a multiploid species with a small genome. In order to determine whether polyploidization is a general plant response to AM colonization, analyses were performed on Allium porrum, a plant with a large genome, which is much less subject to polyploidization than L. esculentum. The ploidy status of leaves, complete root systems and four zones of the adventitious roots was investigated in relation to phosphorus content, AM colonization and root differentiation in A. porrum plants grown under two different regimes of phosphate nutrition in order to distinguish direct effects of the fungus from those of improved nutrition. Results showed the presence of two nuclear populations (2C and 4C) in all treatments and samples. Linear regression analyses suggested a general negative correlation between phosphorus content and the proportion of 2C nuclei. The percentage of 2C nuclei (and consequently that of 4C nuclei), was also influenced by AM colonization, differentiation and ageing of the root cells, which resulted in earlier occurrence, in time and space, of polyploid nuclei.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fusconi</LastName><ForeName>Anna</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Dipartimento di Biologia Vegetale, Università di Torino, Viale Mattioli 25, 10125 Torino, Italy. anna.fusconi@unito.it</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lingua</LastName><ForeName>Guido</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Trotta</LastName><ForeName>Antonio</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Berta</LastName><ForeName>Graziella</ForeName><Initials>G</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>2004</Year><Month>11</Month><Day>24</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="D018744">DNA, Plant</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002467" MajorTopicYN="N">Cell Nucleus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName 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MajorTopicYN="N">administration & dosage</QualifierName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</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="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011123" MajorTopicYN="Y">Polyploidy</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate 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