Related Experiment Video

Updated: Jan 29, 2026

Fluorescent Visualization of Mango-tagged RNA in Polyacrylamide Gels via a Poststaining Method
06:06

Fluorescent Visualization of Mango-tagged RNA in Polyacrylamide Gels via a Poststaining Method

Published on: June 21, 2019

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First Report in Myanmar of Xanthomonas axonopodis pv. mangiferaeindicae Causing Mango Bacterial Canker on Mangifera

N Ah-You1, L Gagnevin1, O Pruvost1

  • 1CIRAD-Université de la Réunion, UMR PVBMT, Saint Pierre, La Réunion, F-97410 France.

Plant Disease
|February 21, 2019
PubMed

Insights

The first detection of Xanthomonas axonopodis pv. mangiferaeindicae, the cause of bacterial canker in mangoes, was confirmed in Myanmar. This finding is crucial for understanding and managing this economically important plant disease in the region.

Area of Science:

  • Plant Pathology
  • Bacteriology
  • Agricultural Science

Background:

  • Bacterial canker, caused by Xanthomonas axonopodis pv. mangiferaeindicae, is an economically significant disease affecting mango production globally.
  • The pathogen induces characteristic leaf lesions, fruit spots, and twig cankers, leading to yield losses and premature fruit drop.

Purpose of the Study:

  • To confirm the presence and identify the causal agent of bacterial canker in mangoes in Myanmar.
  • To characterize the isolated pathogen and determine its relationship to known strains of Xanthomonas axonopodis pv. mangiferaeindicae.

Main Methods:

  • Isolation and identification of bacterial colonies from symptomatic mango leaves collected in Yangon, Myanmar.
  • Amplified fragment length polymorphism (AFLP) analysis to compare Myanmar isolates with reference strains.
  • Multidimensional scaling (MDS) for phylogenetic analysis.
  • Inoculation of mango leaves with Myanmar isolates to confirm pathogenicity.

Main Results:

  • Nonpigmented Xanthomonas-like colonies were isolated from mango leaf lesions.
  • AFLP analysis and MDS revealed that the Myanmar isolates are Xanthomonas axonopodis pv. mangiferaeindicae, closely related to group B strains.
  • Inoculated mango leaves developed typical bacterial canker symptoms, confirming the pathogenicity of the isolates.

Conclusions:

  • This study reports the first confirmed detection of Xanthomonas axonopodis pv. mangiferaeindicae in Myanmar.
  • The findings highlight the need for further surveys to assess the disease's prevalence and distribution in the country.
  • Effective disease management strategies are crucial for the mango industry in Myanmar.

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