Development of multilocus variable-number tandem repeat analysis (MLVA) for Xanthomonas arboricola pathovars
Sophie Cesbron1, Joel Pothier2, Sophie Gironde1
1INRA, UMR1345 IRHS, F-49071 Beaucouzé, France; AGROCAMPUS OUEST, UMR1345 IRHS, F-49071 Beaucouzé, France; Université d'Angers, UMR1345 IRHS, SFR 4207 QUASAV, PRES L'UNAM, F-49071 Beaucouzé, France.
Journal of Microbiological Methods
|March 18, 2014
Summary
Variable number tandem repeat (VNTR) analysis effectively differentiates Xanthomonas arboricola strains, providing a reliable tool for studying bacterial blight diseases. This molecular typing method aids in understanding the genetic diversity within this important plant pathogen species.
Area of Science:
- Plant Pathology
- Microbiology
- Molecular Biology
Background:
- Xanthomonas arboricola causes significant bacterial blight diseases in various crops.
- Accurate molecular typing is crucial for understanding the epidemiology of X. arboricola pathovars.
Purpose of the Study:
- To evaluate Variable Number Tandem Repeats (VNTR) as a molecular typing tool for Xanthomonas arboricola.
- To assess the genetic diversity within X. arboricola pathovars.
Main Methods:
- Screening of the X. arboricola pv. pruni genome identified 51 candidate VNTR loci.
- Primer pairs were designed for PCR amplification and initial evaluation.
- 26 polymorphic VNTR loci were used for genotyping 61 strains.
Main Results:
- VNTR analysis, specifically Multi-Locus VNTR Analysis (MLVA), effectively differentiated X. arboricola strains.
- The developed MLVA scheme demonstrated high discriminatory power.
Conclusions:
- MLVA is a rapid, reliable, and effective molecular typing tool for X. arboricola.
- This method can be utilized for future epidemiological studies of diseases caused by X. arboricola.
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