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Topic: Rickettsiaceae

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	Human Diseases and Conditions - Infectious Diseases My-Si
		Rickettsial (rih-KET-see-ul) infections are a collection of diseases caused by bacteria from the Rickettsiaceae family.
		Despite its name, ringworm is not caused by a worm but by mold-like fungi known as dermatophytes (dur-MAH-toh-fites) that thrive in the top layer of the skin, in the scalp, and in nails.
		Rocky Mountain spotted fever (RMSF) is the most serious of the rickettsial (rih-KET-see-ul) infections, diseases caused by bacteria from the Rickettsiaceae family.
	www.humanillnesses.com /Infectious-Diseases-My-Si (682 words)

	CiteULike: A phylogenetic analysis of the cytochrome b and cytochrome c oxidase I genes supports an origin of ... (Site not responding. Last check: 2007-10-21)
		A phylogenetic analysis of the cytochrome b and cytochrome c oxidase I genes supports an origin of mitochondria from within the Rickettsiaceae.
		We have cloned and sequenced the genes encoding cytochrome b (cob) and cytochrome c oxidase subunit I (cox1) from Rickettsia prowazekii, a member of the alpha-proteobacteria.
		The phylogenetic analysis supports the hypothesis that mitochondria are derived from the alpha-proteobacteria and more specifically from within the Rickettsiaceae.
	www.citeulike.org /article/131368 (205 words)

	Species Jump: Human Ehrlichiosis- Mutant or Emergence?
		Ehrlichiosis was first recognized in 1935 as a canine disease caused by a newly discovered bacterium in the Rickettsiaceae family named Ehrlichia canis.
		There are no conclusive answers to these questions at present, but one can speculate on the answers which may support a species jump or the ability for broad host range infectibility with equal certainty based on available evidence.
		Ehrlichia are gram negative, nonmotile, obligate intracellular coccobacilli belonging to the family Rickettsiaceae with much similarity both in structure and disease to the pathogens responsible for Rocky Mountain Spotted Fever,Q-fever, and Typhus.
	www.doofus.org /mercatroid/ehrlichia.html (1877 words)

	Rickettsiaceae (Site not responding. Last check: 2007-10-21)
		This line of investigation was extended by the development of 16S rRNA based strain comparisons, supplemented later by 23S rRNA and 17kD surface antigen gene phylogenetic comparisons of Rickettsia, and 16S rRNA studies of members of the related intracellular group, Ehrlichia.
		These studies laid the framework for a re-examination of the classification system for the genus Rickettsia, and for related members of the Rickettsiaceae.
		They have included an analysis of the ancient origin of the rickettsias, and the varying rates of evolution of the 16S and 23S rRNA genes and the 17kD antigen gene.
	www.biosci.ohio-state.edu /~pfuerst/lab/rickettsia/rickmp.htm (318 words)

	echril
		Whether you identify bacteria as plants and one-celled flagellant microbes like Giardia as animals because the latter are somewhat motile, doesn’t make much more than academic difference, nor does it matter much whether you call Ehrlichia microbes bacteria, rickettsia, or anything else.
		Rickettsia has been thought of as a separate genus of evil little critters intermediate between bacteria and viruses, but today, most medical references list it as “a bacterium in the Rickettsiaceae family”.
		The name has nothing to do with the disease of rickets; rather it is named after a pathologist named Ricketts.
	www.gsdhelpline.com /echril.htm (3244 words)

	eMedicine - Rickettsial Infection : Article Excerpt by: Mobeen Rathore, MD
		Background: Rickettsiae comprise a group of microorganisms that phylogenetically occupy a position between bacteria and viruses.
		The genus Rickettsia is included in the bacterial tribe Rickettsieae, family Rickettsiaceae, and order Rickettsiales.
		They are obligate intracellular gram-negative coccobacillary forms that multiply within eukaryotic cells.
	www.emedicine.com /ped/byname/rickettsial-infection.htm (543 words)

	Host-Symbiont Conflicts: Positive Selection on an Outer Membrane Protein of Parasitic but not Mutualistic ...
		Host-Symbiont Conflicts: Positive Selection on an Outer Membrane Protein of Parasitic but not Mutualistic Rickettsiaceae -- Jiggins et al.
		The Rickettsiaceae is a family of intracellular bacterial symbionts
		Within the Rickettsiaceae, therefore, we would predict that
	mbe.oxfordjournals.org /cgi/content/full/19/8/1341 (4353 words)

	Rickettsieae Terms and Definitions at www.MedicalGlossary.org (Site not responding. Last check: 2007-10-21)
		Home > Organisms > Bacteria > Gram-Negative Bacteria > Rickettsiaceae > Rickettsieae Terms and Definitions
		A tribe of gram-negative bacteria of the family RICKETTSIACEAE whose organisms are found in arthropods and are pathogenic for man and certain other vertebrate hosts.
		a tribe: do not confuse with RICKETTSIACEAE, a family; infection: coord IM with RICKETTSIACEAE INFECTIONS (IM)
	www.medicalglossary.org /rickettsiaceae_rickettsieae_definitions.html (221 words)

	Rickettsiaceae Pinkerton 1936, familia
		J.P. Euzéby: List of Prokaryotic Names with Standing in Nomenclature - Family Rickettsiaceae
		Genera and taxa above the rank of genus up to and including class:
		The information on this page may not be reproduced, republished or mirrored on another webpage or website.
	www.bacterio.cict.fr /qr/rickettsiaceae.html (216 words)

	Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of ...
		Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and 'HGE agent' as subjective synonyms of Ehrlichia phagocytophila -- Dumler et al.
		Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and 'HGE agent' as subjective synonyms of Ehrlichia phagocytophila
		JS Dumler, AF Barbet, CPJ Bekker, GA Dasch, GH Palmer, SC Ray, Y Rikihisa and FR Rurangirwa
	ijs.sgmjournals.org /cgi/content/abstract/51/6/2145 (2739 words)

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