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240222s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-09-23-1823-RE
|2 doi
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|a eng
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|a Valdez-Nuñez, Renzo A
|e verfasserin
|4 aut
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|a Genetic Diversity and Virulence of Phytopathogenic Burkholderia glumae Strains Isolated from Rice Cultivars in Valleys of the High Jungle of Perú
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| 264 |
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 22.08.2024
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|a Date Revised 22.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Burkholderia glumae causes bacterial leaf blight in rice, and its global spread has been exacerbated by climate change. To understand the genetic diversity and virulence of B. glumae strains isolated from rice cultivars in Perú, 47 isolates were obtained from infected rice fields, all belonging to B. glumae, and confirmed by recA and toxB sequences. The BOX-PCR typing group has 38 genomic profiles, and these turn into seven variable number tandem repeats (VNTR) haplotypes. There was no correlation between clustering and geographical origin. Nineteen strains were selected for phenotypic characterization and virulence, using both the maceration level of the onion bulb proxy and inoculation of seeds of two rice cultivars. Several strains produced pigments other than toxoflavin, which correlated with onion bulb maceration. In terms of virulence at the seed level, all strains produced inhibition at the root and coleoptile level, but the severity of symptoms varied significantly between strains, revealing significant differences in pathogenicity. There is no correlation between maceration and virulence scores, probably reflecting different virulence mechanisms depending on the host infection stage. This is the first study to evaluate the VNTR diversity and virulence of Peruvian strains of B. glumae in two commercial cultivars
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|a Journal Article
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|a Burkholderia glumae
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| 650 |
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4 |
|a VNTR
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| 650 |
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|a pathogen diversity
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| 650 |
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4 |
|a rice
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| 650 |
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4 |
|a toxoflavin
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| 650 |
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4 |
|a virulence assays
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| 700 |
1 |
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|a Ramos-Luna, Lucero C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meza-Catalán, Patricia P
|e verfasserin
|4 aut
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| 700 |
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|a Asencios-Sifuentes, Nayza R
|e verfasserin
|4 aut
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| 700 |
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|a Ocaña-Rodriguez, Angel W
|e verfasserin
|4 aut
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| 700 |
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|a Chávez-Galarza, Julio C
|e verfasserin
|4 aut
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| 700 |
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|a Sandoval-Vergara, Ana N
|e verfasserin
|4 aut
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| 700 |
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|a Béna, Gilles
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 8 vom: 22. Aug., Seite 2376-2388
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|x 0191-2917
|7 nnas
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|g volume:108
|g year:2024
|g number:8
|g day:22
|g month:08
|g pages:2376-2388
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|u http://dx.doi.org/10.1094/PDIS-09-23-1823-RE
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