Heterozygosis of phage 2-3 of Rhizobium meliloti: Moderate level of mismatch repair or gene conversion

László Orosz, Anikó Páy, Géza Dallmann

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Analysis of clear/turbid mottled (heterozygotic plaques) of Rhizobium meliloti temperate phage 16-3 indicates that the efficiency of repair at three sites (ti3, ti4, and ti5) in the C cistron is 2 to 20-fold less than that observed in E. coli phage λ. In agreement with this conclusion, heterozygotic plaques were observed at similar frequency in crosses where point and small delection mutants were combined, suggesting that in Rhizobium, DNA molecules with short single-stranded loops can escape from repair as efficiently as the simple mismatches.

Original languageEnglish
Pages (from-to)163-167
Number of pages5
JournalMGG Molecular & General Genetics
Issue number1
Publication statusPublished - Aug 1 1980


ASJC Scopus subject areas

  • Genetics

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