Phytoplasma and virus detection in commercial plantings of Vitis vinifera cv. Merlot exhibiting premature berry dehydration

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dc.contributor.authorMatus, Jose Tomas
dc.contributor.authorVega, Andrea
dc.contributor.authorLoyola, Rodrigo
dc.contributor.authorSerrano, Carolina
dc.contributor.authorCabrera, Soledad
dc.contributor.authorArce Johnson, Patricio
dc.date.accessioned2024-01-10T12:41:25Z
dc.date.available2024-01-10T12:41:25Z
dc.date.issued2008
dc.description.abstractA new and devastating physiological disorder of Vitis vinifera cv. Merlot was recently reported, known as premature berry dehydration (PBD), which is characterized by plant growth reduction, induction of general senescence and pedicel necrosis in the fruit, causing significant reductions in vineyard production. The causes of this disease remain unclear and previous reports suggest that it may be associated with phloem disruption and water provision. For this reason, any factor causing phloem disturbances could cause an important change in the berry water status. As some micro-organisms have been reported to disrupt phloem flow, we analyzed the occurrence of phytoplasma and viruses in commercial vineyards presenting PBD. In this study, a phytoplasma was detected by electron microscopy and nested PCR while virus infections were diagnosed by RT-PCR in samples collected during two growing seasons. The presence of phytoplasma only in samples from grape plants with PBD suggests that this pathogen may be one of the causal agents of this disorder. We suggest that the influence of other factors, such as virus infections, agronomic handling and environmental conditions also modulate berry dehydration. This is the first study at the microscopic and molecular levels that correlates phytoplasma presence with PBD.
dc.description.funderGrape and Wine Chilean Consortium
dc.description.funderMillennium Nucleus for Plant Functional Genomics
dc.fechaingreso.objetodigital2024-05-17
dc.format.extent10 páginas
dc.fuente.origenWOS
dc.identifier.doi10.2225/vol11-issue5-fulltext-8
dc.identifier.issn0717-3458
dc.identifier.urihttps://doi.org/10.2225/vol11-issue5-fulltext-8
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/77415
dc.identifier.wosidWOS:000262927400008
dc.information.autorucCiencias Biológicas;Arce-Johnson P;S/I;54718
dc.information.autorucCiencias Biológicas;Loyola R;S/I;142333
dc.information.autorucCiencias Biológicas;Matus J;S/I;15841
dc.information.autorucCiencias Biológicas;Serrano C;S/I;95245
dc.information.autorucCiencias Biológicas;Vega A;S/I;10777
dc.issue.numero5
dc.language.isoen
dc.nota.accesocontenido completo
dc.publisherUNIV CATOLICA DE VALPARAISO
dc.revistaELECTRONIC JOURNAL OF BIOTECHNOLOGY
dc.rightsacceso abierto
dc.subjectberry shrinkage
dc.subjectCandidatus phytoplasma mali
dc.subjectlate ripening
dc.subjectover ripened
dc.subjectpedicel necrosis
dc.subjectphloem
dc.subjectwater transport
dc.subjectFLAVESCENCE DOREE
dc.subjectEXPRESSION
dc.subjectYELLOWS
dc.subjectPOTATO
dc.subjectSHIRAZ
dc.subjectGENES
dc.subjectPCR
dc.subjectAMPLIFICATION
dc.subjectLOCALIZATION
dc.subjectMOVEMENT
dc.subject.ods02 Zero Hunger
dc.subject.odspa02 Hambre cero
dc.titlePhytoplasma and virus detection in commercial plantings of Vitis vinifera cv. Merlot exhibiting premature berry dehydration
dc.typeartículo
dc.volumen11
sipa.codpersvinculados54718
sipa.codpersvinculados142333
sipa.codpersvinculados15841
sipa.codpersvinculados95245
sipa.codpersvinculados10777
sipa.indexWOS
sipa.indexScielo
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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