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Use of reverse transcription-polymerase chain reaction for cloning of coat protein-encoding genes of cymbidium mosaic virus

  • Laboratory of Biotechnology
  • Kasetsart University

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A reverse transcription-polymerase chain reaction (RT-PCR) has been developed for the cloning of coat protein-encoding genes (CP) of cymbidium mosaic virus (CyMV) isolated from three different infected species of Thai orchid: Cattleya, Mokara and Oncidium. The analysis of the compiled sequences of the cDNA clones shows a single open reading frame which encoded a CyMV CP gene. The gene is 669 nucleotides (nt) long and codes for a 23 761-Da protein. The nt sequences of CyMV CP from the Thai isolates showed that some of them differ at a single nt and share 97% homology, but all of them share only 88% homology to the Singapore Oncidium isolate. In addition, the CyMV CP, unlike that from other potexviruses, is distinctive and differs greatly from the amino acid composition deduced from the nt sequence of the CP.

Original languageEnglish
Pages (from-to)105-107
Number of pages3
JournalGene
Volume179
Issue number1
DOIs
Publication statusPublished - 7 Nov 1996
Externally publishedYes

Keywords

  • Gene sequencing
  • Homology
  • Orchid
  • Plant virus
  • Potexvirus

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