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Relationships among iris severe mosaic virus (ISMV) isolates.

C I van der Vlugt1, R Goldbach, A F Derks

  • 1Agricultural University, Wageningen, The Netherlands.

Archives of Virology. Supplementum
|January 1, 1992
PubMed
Summary

The Indian seed-borne mosaic virus (ISMV) isolates appear identical using serological and hybridization tests. Differences in disease symptoms likely stem from subtle molecular variations within the virus.

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Area of Science:

  • Plant virology
  • Molecular biology

Background:

  • The Indian seed-borne mosaic virus (ISMV) is a significant plant pathogen.
  • Previous studies have characterized ISMV isolates using various assays.

Purpose of the Study:

  • To investigate the molecular basis for differing symptoms induced by ISMV isolates.
  • To determine if serological and hybridization assays can differentiate ISMV isolates.

Main Methods:

  • Serological assays were employed to compare ISMV isolates.
  • Hybridization assays were used to assess genetic relatedness of ISMV isolates.

Main Results:

  • ISMV isolates were indistinguishable by both serological and hybridization assays.
  • No significant molecular differences were detected between the studied isolates.

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Conclusions:

  • The observed variations in symptoms caused by ISMV isolates are not readily explained by major molecular differences.
  • Minor molecular alterations likely account for the distinct disease manifestations of ISMV.