Staphylococcus devriesei sp. nov., isolated from teat apices and milk of dairy cows.
Ten non-motile, Gram-stain-positive, coagulase-negative staphylococci were isolated from bovine milk and teat apices. All isolates were catalase-positive, with anteiso-C(15 : 0), iso-C(15 : 0), anteiso-C(17 : 0), iso-C(17 : 0) and C(18 : 0) as predominant fatty acids and diphosphatidylglycerol and phosphatidylglycerol as major polar lipids. The results of sequence analysis of the 16S rRNA gene and four housekeeping genes (rpoB, hsp60, tuf and dnaJ) in combination with tRNA-intergenic spacer length analysis showed that the isolates form a separate branch within the genus Staphylococcus. Based on 16S rRNA gene sequencing, the phylogenetically most closely related species are Staphylococcus haemolyticus, S. hominis and S. lugdunensis, with >98.7 % sequence similarity. The DNA G+C content varies from 33.3 to 33.7 mol%, and DNA-DNA hybridization with the nearest neighbours, based on 16S rRNA gene sequences, confirmed that the isolates represent a novel Staphylococcus species. All isolates induced a small zone of complete haemolysis on Columbia agar with 5 % sheep blood and exhibited a homogeneous biochemical fingerprint that is discriminative from the phylogenetically most closely related species. Based on these results, it is proposed to classify the ten isolates as Staphylococcus devriesei sp. nov., with strain KS-SP 60(T) (=LMG 25332(T) =CCUG 58238(T)) as the type strain.
Supré
Karlien
K
Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
De Vliegher
Sarne
S
Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
Cleenwerck
Ilse
I
BCCM/LMG Bacteria Collection and Laboratory of Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium.
Engelbeen
Katrien
K
BCCM/LMG Bacteria Collection and Laboratory of Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium.
Van Trappen
Stefanie
S
BCCM/LMG Bacteria Collection and Laboratory of Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium.
Piepers
Sofie
S
Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
Sampimon
Otlis C
OC
Animal Health Service, Deventer, The Netherlands.
Zadoks
Ruth N
RN
Royal (Dick) School of Veterinary Studies, University of Edinburgh, and Moredun Research Institute, Penicuik, Scotland, UK.
De Vos
Paul
P
BCCM/LMG Bacteria Collection and Laboratory of Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium.
Haesebrouck
Freddy
F
Department of Pathology, Bacteriology, and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Belgium.
D000818:Animals; D015373:Bacterial Typing Techniques; D001482:Base Composition; D001530:Belgium; D002417:Cattle / Q000382:microbiology*; D004269:DNA, Bacterial / Q000235:genetics; D005227:Fatty Acids / Q000737:chemistry; D005260:Female; D005798:Genes, Bacterial; D008321:Mammary Glands, Animal / Q000382:microbiology*; D008892:Milk / Q000382:microbiology*; D008969:Molecular Sequence Data; D009426:Netherlands; D009693:Nucleic Acid Hybridization; D010743:Phospholipids / Q000737:chemistry; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D013210:Staphylococcus / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification
D004269:DNA, Bacterial; D005227:Fatty Acids; D010743:Phospholipids; D012336:RNA, Ribosomal, 16S