Brachyspirales
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Brachyspirales
Brachyspiraceae is a family of Spirochaetota. Spirochetosis of the appendix, caused by '' Brachyspira aalborgi'' or '' Brachyspira pilosicoli'', is not associated with appendicitis Appendicitis is inflammation of the appendix. Symptoms commonly include right lower abdominal pain, nausea, vomiting, and decreased appetite. However, approximately 40% of people do not have these typical symptoms. Severe complications of a ru .... References Spirochaetes {{spirochaetae-stub ...
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Spirochaetota
A spirochaete () or spirochete is a member of the phylum Spirochaetota (), (synonym Spirochaetes) which contains distinctive diderm (double-membrane) gram-negative bacteria, most of which have long, helically coiled (corkscrew-shaped or spiraled, hence the name) cells. Spirochaetes are chemoheterotrophic in nature, with lengths between 3 and 500 μm and diameters around 0.09 to at least 3 μm. Spirochaetes are distinguished from other bacterial phyla by the location of their flagella, called endoflagella which are sometimes called ''axial filaments''. Endoflagella are anchored at each end (pole) of the bacterium within the periplasmic space (between the inner and outer membranes) where they project backwards to extend the length of the cell. These cause a twisting motion which allows the spirochaete to move about. When reproducing, a spirochaete will undergo asexual transverse binary fission. Most spirochaetes are free-living and anaerobic, but there are nume ...
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Brachyspira
''Brachyspira'' is a genus of bacteria classified within the phylum Spirochaetota.See the List of Prokaryotic names with Standing in Nomenclature. Data extracted from See the NCBIbr>webpage on SpirochaetesData extracted from ''Brachyspira species'' include pathogens in pigs, birds, dogs, and humans. '' B. pilosicoli'' colonizes millions of humans worldwide, leading to human intestinal spirochaetosis, a chronic, intermittent watery diarrhea vastly underdiagnosed because of the lack of a simple diagnostic tool for clinicians. Multiplex qPCRs are promising diagnostic tools, as Brachyspira do not grow on conventional media. '' B. pilosicoli'' also cause avian spirochetosis: birds might be considered as the natural reservoir. '' B. hyodysenteriae'' leads to diarrheal disease in growing pigs worldwide, causing the so-called swine dysentery, typhlocolitis or porcine intestinal spirochaetosis, which contributes to major "production losses" in agrobusiness. Some species like ' ...
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Brachyspira Aalborgi
''Brachyspira aalborgi'' is a species of bacteria, one of the causative agents of intestinal spirochetosis. Its cells are anaerobic, sigmoidal with tapered ends, 2 to 6  µm long. Four flagella are inserted at each end of the cells. The maximal cell width is about 0.2 µm. The type strain is 513A (NCTC 11492). References Further reading * * External linksLSPN Bacterio.net* Spirochaetes Bacteria described in 1982 {{Spirochaetae-stub ...
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Brachyspira Pilosicoli
''Brachyspira pilosicoli'' is a gram-negative, anaerobic, host-associated spirochete that colonizes the intestinal tract of animals and humans. It appears as a characteristic "false brush border" due to its end-on attachment to enterocytes of the colon where it interferes with intestinal absorption. ''B. pilosicoli'' is unique from other '' Brachyspira'' species because it colonizes a variety of domestic animals including pigs, chickens, dogs, wild birds, rodents, and humans. It is the causative agent of intestinal spirochetosis in pigs, chickens and humans. In particular, ''B. pilosicoli'' has been described as an important colonic pathogen of pigs and chickens, causing colitis and diarrhea resulting in depressed rates of growth and impaired production on farms where infections with ''B. pilosicoli'' may be endemic. Bacterial attachment disrupts the colonic enterocytes and associated villi, causing the symptoms characteristic of intestinal spirochetosis. Additionally, ''B. pil ...
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Vermiform Appendix
The appendix (or vermiform appendix; also cecal r caecalappendix; vermix; or vermiform process) is a finger-like, blind-ended tube connected to the cecum, from which it develops in the embryo. The cecum is a pouch-like structure of the large intestine, located at the junction of the small and the large intestines. The term "vermiform" comes from Latin and means "worm-shaped". The appendix was once considered a vestigial organ, but this view has changed since the early 2000s. Research suggests that the appendix may serve an important purpose. In particular, it may serve as a reservoir for beneficial gut bacteria. Structure The human appendix averages in length but can range from . The diameter of the appendix is , and more than is considered a thickened or inflamed appendix. The longest appendix ever removed was long. The appendix is usually located in the lower right quadrant of the abdomen, near the right hip bone. The base of the appendix is located beneath the ileoce ...
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