Species Diversity of Dickeya and Pectobacterium Causing Potato Blackleg Disease in Pakistan

Potato blackleg is caused by a diverse species of pectinolytic bacteria. In Pakistan, approximately 90% of the pathogens involved belong to Pectobacterium atrosepticum. Survey (2014 to 2017), sampling, and isolation from different potato growing areas of Punjab, Pakistan depicted an overall disease...

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Veröffentlicht in:Plant disease. - 1997. - 104(2020), 5 vom: 01. Mai, Seite 1492-1499
1. Verfasser: Sarfraz, Sohaib (VerfasserIn)
Weitere Verfasser: Sahi, Shahbaz Talib, Oulghazi, Saïd, Riaz, Kashif, Rajput, Nasir Ahmed, Atiq, Muhammad, Tufail, Muhammad Rizwan, Hameed, Akhtar, Faure, Denis
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Dickeya Pectobacterium diversity genotypic pathogen diversity pectinolytic phenotypic prokaryotes vegetables DNA, Bacterial
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520 |a Potato blackleg is caused by a diverse species of pectinolytic bacteria. In Pakistan, approximately 90% of the pathogens involved belong to Pectobacterium atrosepticum. Survey (2014 to 2017), sampling, and isolation from different potato growing areas of Punjab, Pakistan depicted an overall disease incidence of approximately 15%. Thirty-six pectinolytic strains confirmed through biochemical and pathogenicity testing were characterized via gapA gene to identify them at the species level. To further validate the identification, one strain from each species SS26 (P. atrosepticum), SS28 (Pectobacterium polaris), SS70 (Dickeya dianthicola), SS90 (Pectobacterium parmentieri), SS95 (Pectobacterium punjabense), and SS96 (Pectobacterium versatile) were selected for draft genome sequencing and multilocus sequence analysis of 13 housekeeping genes (fusA, rpoD, acnA, purA, gyrB, recA, mdh, mtlD, groEL, secY, glyA, gapA, and rplB). Phylogenetic analysis revealed considerable genetic diversity in the genus Pectobacterium. In silico DNA-DNA hybridization and average nucleotide identity values of the strains selected for genome sequencing were determined with other reference Pectobacterium and Dickeya strains. Moreover, all six representative strains were also phenotypically characterized on the basis of metabolism of different carbon sources. Overall, on the basis of genotypic and phenotypic characteristics, these 36 isolates were grouped into six species: P. atrosepticum, P. versatile, P. parmentieri, P. polaris, P. punjabense, and D. dianthicola 
650 4 |a Journal Article 
650 4 |a Dickeya 
650 4 |a Pectobacterium 
650 4 |a diversity 
650 4 |a genotypic 
650 4 |a pathogen diversity 
650 4 |a pectinolytic 
650 4 |a phenotypic 
650 4 |a prokaryotes 
650 4 |a vegetables 
650 7 |a DNA, Bacterial  |2 NLM 
700 1 |a Sahi, Shahbaz Talib  |e verfasserin  |4 aut 
700 1 |a Oulghazi, Saïd  |e verfasserin  |4 aut 
700 1 |a Riaz, Kashif  |e verfasserin  |4 aut 
700 1 |a Rajput, Nasir Ahmed  |e verfasserin  |4 aut 
700 1 |a Atiq, Muhammad  |e verfasserin  |4 aut 
700 1 |a Tufail, Muhammad Rizwan  |e verfasserin  |4 aut 
700 1 |a Hameed, Akhtar  |e verfasserin  |4 aut 
700 1 |a Faure, Denis  |e verfasserin  |4 aut 
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773 1 8 |g volume:104  |g year:2020  |g number:5  |g day:01  |g month:05  |g pages:1492-1499 
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