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‘Candidatus Mycoplasma haematoparvum’, a novel small haemotropic mycoplasma from a dog

¹ Department of Medicine and Epidemiology, University of California, Davis, CA 95616, USA
² Veterinary Medical Teaching Hospital, University of California, Davis, CA 95616, USA

Correspondence
Jane E. Sykes
jesykes{at}ucdavis.edu

A novel small haemoplasma was detected following cytological examination of blood smears from a splenectomized dog with haemic neoplasia. The 16S rRNA and rnpB genes of the organism were partially sequenced and a phylogenetic tree constructed. The organism was most closely related to the small feline haemoplasma, ‘Candidatus Mycoplasma haemominutum’ (94 % 16S rRNA gene nucleotide sequence identity; 75 % rnpB) and was only distantly related to Mycoplasma haemocanis (78 % 16S rRNA gene nucleotide sequence identity; 65 % rnpB). As this organism has not been cultured in vitro, the candidate species name ‘Candidatus Mycoplasma haematoparvum’ is proposed.

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and rnpB gene sequences of ‘Candidatus Mycoplasma haematoparvum’ are AY383241 and AY380803, respectively.

A figure showing a larger phylogenetic tree of 16S rRNA gene sequences, using Asteroleplasma anaerobium as the outgroup and including non-haemotropic mollicutes, is available as supplementary material in IJSEM Online.

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