Spirochaetes as intestinal pathogens: Lessons from a Brachyspira genome
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Spirochaetes as intestinal pathogens: Lessons from a Brachyspira genome
Anaerobic spirochaetes of the genus Brachyspira have long been known as important gut pathogens of pigs, but increasingly they are recognised as causing disease in birds and other animal species, including human beings. The genome sequence of the major swine pathogen Brachyspira hyodysenteriae was recently published, and this revealed extensive genome optimisation that leads to adaptation to th...
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Porcine intestinal spirochaetes are fastidious anaerobic organisms and, as a consequence, it has been necessary to develop various protocols to enhance their isolation from or detection in faeces. Immunomagnetic separation (IMS) is a method developed recently to improve separation of target cells from mixed cell suspensions. The purpose of the present study was to compare the relative sensitivi...
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INTRODUCTION The genus Brachyspira contains well-known enteric pathogens of veterinary significance, suggested agents of colonic disease in humans, and one potentially zoonotic agent. There are recent studies showing that Brachyspira are more widespread in the wildlife community than previously thought. There are no records of this genus in wildlife from the southern Atlantic region and Antarct...
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متن کاملIdentification of genes associated with prophage-like gene transfer agents in the pathogenic intestinal spirochaetes Brachyspira hyodysenteriae, Brachyspira pilosicoli and Brachyspira intermedia. Veterinary Microbiology,
VSH-1 is an unusual prophage-like gene transfer agent (GTA) that has been described in the intestinal spirochaete Brachyspira hyodysenteriae. The GTA does not self-propagate, but it assembles into a virus-like particle and transfers random 7.5 kb fragments of host DNA to other B. hyodysenteriae cells. To date the GTA VSH-1 has only been analysed in B. hyodysenteriae strain B204, in which 11 lat...
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ژورنال
عنوان ژورنال: Gut Pathogens
سال: 2009
ISSN: 1757-4749
DOI: 10.1186/1757-4749-1-10