Proteomic analysis of asexual development of Phytophthora palmivora

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Abstract

Two-dimensional gel electrophoresis was used to analyse stage-specific proteins from Phytophthora palmivora, a pathogen of cocoa and other economically important tropical crops. Approximately 1% of proteins appeared to be specific for each of the mycelial, sporangial, zoospore, cyst and germinated cyst stages of the life-cycle. Three proteins excised from protein gels of P. palmivora were identified as isoforms of actin by database searches to public libraries of Phytophthora infestans. The protein profiles of parallel samples of P. palmivora and P. infestans demonstrated that 30% of proteins precisely co-migrated suggesting that proteomics may be used to examine changes in the specific stages in the life cycles of Phytophthora spp.

Original languageEnglish
Pages (from-to)395-400
Number of pages5
JournalMycological Research
Volume107
Issue numberPt 4
DOIs
Publication statusPublished - 2003

Keywords

  • tyrosine phosphorylation
  • actin gene
  • expresed sequences
  • zoospores
  • proteins
  • infestans
  • cinnamomi
  • database
  • plants

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