Seed treatment with prodigiosin controls damping-off of cucumber caused by Pythium ultimum

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorRoberts, Daniel P.-
Autor(es): dc.creatorSelmer, Kaitlyn-
Autor(es): dc.creatorLupitskyy, Robert-
Autor(es): dc.creatorRice, Cliford-
Autor(es): dc.creatorBuyer, Jefrey S.-
Autor(es): dc.creatorMaul, Jude E.-
Autor(es): dc.creatorLakshman, Dilip K.-
Autor(es): dc.creatorSouza, Jorge de-
Data de aceite: dc.date.accessioned2026-02-09T12:53:27Z-
Data de disponibilização: dc.date.available2026-02-09T12:53:27Z-
Data de envio: dc.date.issued2022-01-24-
Data de envio: dc.date.issued2022-01-24-
Data de envio: dc.date.issued2021-01-05-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/49008-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1170314-
Descrição: dc.descriptionEthanol extract of cell mass of Serratia marcescens strain N4-5, when applied as a treatment to cucumber seed, has been shown to provide control of the oomycete soil-borne plant pathogen Pythium ultimum equivalent to that provided by a seed-treatment chemical pesticide in some soils. Two dominant compounds in this extract, prodigiosin and the serratamolide serrawetin W1, were identified based on mass and collision induced dissociation mass fragmentation spectra. An additional four compounds with M+H+ masses (487, 541, 543, and 571) consistent with serratamolides reported in the literature were also detected. Several other compounds with M+H+ masses of 488, 536, 684, 834, 906, and 908 m/z were detected in this ethanol extract inconsistently over multiple liquid chromatography coupled with tandem mass spectrometry (LC/MS–MS) runs. A purified preparation of prodigiosin provided control of damping-off of cucumber caused by P. ultimum when applied as a seed treatment while ethanol extract of cell mass of strain Tn246, a transposon-mutant-derivative of strain N4-5, did not. Strain Tn246 contained a mini-Tn5 Km insertion in a prodigiosin biosynthetic gene and was deficient in production of prodigiosin. All other compounds detected in N4-5 extract were detected in the Tn246 extract. This is the first report demonstrating that prodigiosin can control a plant disease. Other compounds in ethanol extract of strain N4-5 may contribute to disease control.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherSpringer-
Direitos: dc.rightsAttribution 4.0 International-
Direitos: dc.rightsAttribution 4.0 International-
Direitos: dc.rightsacesso aberto-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
???dc.source???: dc.sourceAMB Express-
Palavras-chave: dc.subjectNatural product-
Palavras-chave: dc.subjectProdigiosin-
Palavras-chave: dc.subjectPythium ultimum-
Palavras-chave: dc.subjectSerratamolides-
Palavras-chave: dc.subjectSerratia marcescens-
Palavras-chave: dc.subjectSerrawettin-
Título: dc.titleSeed treatment with prodigiosin controls damping-off of cucumber caused by Pythium ultimum-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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