@article{mbs:/content/journal/ijsem/10.1099/00207713-28-4-511, author = "COYKENDALL, ALAN L. and MUNZENMAIER, ALLAN J.", title = "Deoxyribonucleic Acid Base Sequence Studies on Glucan-Producing and Glucan-Negative Strains of Streptococcus mitior", journal= "International Journal of Systematic and Evolutionary Microbiology", year = "1978", volume = "28", number = "4", pages = "511-515", doi = "https://doi.org/10.1099/00207713-28-4-511", url = "https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-28-4-511", publisher = "Microbiology Society", issn = "1466-5034", type = "Journal Article", abstract = "The deoxyribonucleic acid base sequence similarities among 14 strains of Streptococcus mitior were assessed by hybridization. Some strains produce glucan. Deoxyribonucleic acid was purified by both a conventional method and by centrifugation in CsCl. Hybridizations were done in solution with S1 nuclease and on membrane filters. The results showed two groups of moderately homologous strains. The glucan-producing strains represented a group which included some glucan-negative strains. Hybridization by the S1 method was less than with the filter method, indicating some sequence divergence within the two groups. There was a slight difference in guanine-plus-cytosine contents of the two groups.", }