Homologies of Deoxyribonucleic Acids from Brucella ovis, Canine Abortion Organisms, and other Brucella Species
AUTOR(ES)
Hoyer, Bill H.
RESUMO
The bacterium that causes canine abortion has polynucleotide sequences similar, in deoxyribonucleic acid (DNA)-DNA homology studies, to those of Brucella suis and, by inference from previous data, those of B. abortus and B. melitensis as well as B. neotomae. Therefore, the organism causing canine abortion appears to be a member of the genus Brucella. DNA preparations from Serratia marcescens, Alcaligenes faecalis, and Bordetella bronchiseptica, 58, 62, and 66 mole% guanine plus cytosine, respectively, do not have detectable polynucleotide sequence homologies with B. suis DNA which is 56 mole% guanine plus cytosine. B. ovis DNA lacks some of the polynucleotide sequences present in B. suis DNA and appears to be a deletion mutant. However, a large proportion of B. ovis polynucleotides are similar to those of other Brucella species, which supports the inclusion of B. ovis in the genus.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=315241Documentos Relacionados
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