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dc.contributor.author
Balint Kurti, Peter
dc.contributor.author
Simmons, Susan J.
dc.contributor.author
Blum, James E.
dc.contributor.author
Ballare, Carlos Luis
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dc.contributor.author
Stapleton, Ann E.
dc.date.available
2019-03-22T17:17:02Z
dc.date.issued
2010-04
dc.identifier.citation
Balint Kurti, Peter; Simmons, Susan J.; Blum, James E.; Ballare, Carlos Luis; Stapleton, Ann E.; Maize leaf epiphytic bacteria diversity patterns are genetically correlated with resistance to fungal pathogen infection; American Phytopathological Society; Molecular Plant-Microbe Interactions; 23; 4; 4-2010; 473-484
dc.identifier.issn
0894-0282
dc.identifier.uri
http://hdl.handle.net/11336/72308
dc.description.abstract
Plant leaves host a specific set of microbial epiphytes. Plant genetic and solar UV-B radiation effects on the diversity of the phyllosphere were examined by measuring epiphytic bacterial ribosomal DNA diversity in a maize recombinant inbred (RI) mapping population. Several chromosomal quantitative trait loci (QTL) with significant effects on bacterial diversity were identified, some of which had effects only in the presence of UV-B radiation and others that had effects both with and without UV-B. Candidate genes with allele-specific effects were mapped to the bacterial diversity chromosomal regions. A glutamate decarboxylase candidate gene was located at a UV-B-specific chromosomal locus, and in a comparison between two RI lines with contrasting bacterial diversity phenotypes, high bacterial diversity was associated with high levels of glutamate decarboxylase enzyme activity, a component of the gamma-aminobutyric acid (GABA) pathway. The bacterial diversity loci exhibited a significant overlap with loci connected with Southern leaf blight (SLB) susceptibility in the field. A SLB-resistant inbred genotype had less beta bacterial diversity, and antibiotic treatment of inbreds increased this diversity. These results suggest that the GABA pathway is genetically associated with phyllosphere bacterial diversity. Furthermore, the colocalization of QTL between low bacterial diversity and fungal blight-resistance and the increase in beta diversity in antibiotic-treated leaves suggest that occupation of leaf habitats by a particular set of suppressive bacteria may restrict phyllosphere bacterial variability and increase resistance to fungal infection. © 2010 The American Phytopathological Society.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Phytopathological Society
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Qtl
dc.subject
Uv
dc.subject
Bacteria
dc.subject
Diversity
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Maize leaf epiphytic bacteria diversity patterns are genetically correlated with resistance to fungal pathogen infection
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-03-08T20:18:15Z
dc.journal.volume
23
dc.journal.number
4
dc.journal.pagination
473-484
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
St. Paul
dc.description.fil
Fil: Balint Kurti, Peter. North Carolina State University; Estados Unidos
dc.description.fil
Fil: Simmons, Susan J.. University of North Carolina at Wilmington; Estados Unidos
dc.description.fil
Fil: Blum, James E.. University of North Carolina at Wilmington; Estados Unidos
dc.description.fil
Fil: Ballare, Carlos Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
dc.description.fil
Fil: Stapleton, Ann E.. University of North Carolina at Wilmington; Estados Unidos
dc.journal.title
Molecular Plant-Microbe Interactions
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1094/MPMI-23-4-0473
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://apsjournals.apsnet.org/doi/10.1094/MPMI-23-4-0473
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