Erwinia mallotivora sp., a new pathogen of papaya (Carica papaya) in peninsular Malaysia

Noriha Mat Amin, Bunawan Hamidun, Rohaiza Ahmad Redzuan, Indu Bala S Jaganath

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Erwinia mallotivora was isolated from papaya infected with dieback disease showing the typical symptoms of greasy, water-soaked lesions and spots on leaves. Phylogenetic analysis of 16S rRNA gene sequences showed that the strain belonged to the genus Erwinia and was united in a monophyletic group with E. mallotivora DSM 4565 (AJ233414). Earlier studies had indicated that the causal agent for this disease was E. papayae. However, our current studies, through Koch's postulate, have confirmed that papaya dieback disease is caused by E. mallotivora. To our knowledge, this is the first new discovery of E. mallotivora as a causal agent of papaya dieback disease in Peninsular Malaysia. Previous reports have suggested that E. mallotivora causes leaf spot in Mallotus japonicus. However, this research confirms it also to be pathogenic to Carica papaya.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalInternational Journal of Molecular Sciences
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 2011
Externally publishedYes

Fingerprint

Erwinia
Carica
Malaysia
pathogens
Pathogens
leaves
axioms
rRNA Genes
genes
lesions
Genes
Water
causes
Research
water

Keywords

  • Carica papaya
  • Erwinia mallotivora
  • Papaya dieback

ASJC Scopus subject areas

  • Computer Science Applications
  • Molecular Biology
  • Catalysis
  • Inorganic Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Medicine(all)

Cite this

Erwinia mallotivora sp., a new pathogen of papaya (Carica papaya) in peninsular Malaysia. / Amin, Noriha Mat; Hamidun, Bunawan; Redzuan, Rohaiza Ahmad; Jaganath, Indu Bala S.

In: International Journal of Molecular Sciences, Vol. 12, No. 1, 01.2011, p. 39-45.

Research output: Contribution to journalArticle

Amin, Noriha Mat ; Hamidun, Bunawan ; Redzuan, Rohaiza Ahmad ; Jaganath, Indu Bala S. / Erwinia mallotivora sp., a new pathogen of papaya (Carica papaya) in peninsular Malaysia. In: International Journal of Molecular Sciences. 2011 ; Vol. 12, No. 1. pp. 39-45.
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