Open AccessRECOGNITION OF STREPTOCOCCAL DNA BY A MUTANT PNEUMOCOCCUS UNABLE TO DISCRIMINATE AMONG MARKERS IN PNEUMOCOCCAL DNA
Author(s) -
Gérard Tiraby,
Arnold W. Ravin
Publication year - 1973
Publication title -
genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.792
H-Index - 246
eISSN - 1943-2631
pISSN - 0016-6731
DOI - 10.1093/genetics/74.4.557
Subject(s) - biology , genetics , streptococcus pneumoniae , dna , mutant , mutation , gene , bacteria
A mutant strain of pneumococcus which fails to discriminate against low-efficiency markers during transformation by homospecific pneumococcal donor DNA retains the wild-type capacity to discriminate against heterospecific (streptococcal) donor DNA. We conclude that discrimination against heterospecific DNA must differ from that against low-efficiency markers by the kind or number of elements being recognized.
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