Base de dados : MEDLINE
Pesquisa : B01.043.185.375.650.650 [Categoria DeCS]
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[PMID]:23190245
[Au] Autor:Grim JN; Clements KD
[Ad] Endereço:Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, 86011, USA. norman.grim@nau.edu
[Ti] Título:New observations on the ciliate genus Vestibulongum (Pycnotrichidae): vestibular ultrastructure, macronuclear endosymbiotic bacteria, biogeography, and evidence for host specificity.
[So] Source:J Eukaryot Microbiol;60(1):37-43, 2013 Jan-Feb.
[Is] ISSN:1550-7408
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Two isolates of the pycnotrichid ciliate genus, Vestibulongum, were collected from the host fish, Acanthurus xanthopterus, from two locations in the Southern Pacific Ocean. One was from the Great Barrier Reef (GBR), and a second from Papua New Guinea. These sites are thousands of km from the type locality, off the coast of South Africa. New data were collected from protargol-stained samples to more fully characterize the general form and light microscopic structures of the ciliate. Specimens from all three sites had a long vestibule, characteristic of most members of the family. Data suggest that specimens from each site are the same genus. The kinetids of the Vestibulongum isolated from the GBR contained the typical components of postciliary, transverse, and nemodesmatal microtubules, and Kd fibrils. Also, two quite different forms of endomacronuclear bacteria were observed and are described. One of those has distinct endospores, which are similar to endospores in nuclear endosymbiotic bacteria in a species of Balantidium from the gut of another species of surgeonfish.
[Mh] Termos MeSH primário: Fenômenos Fisiológicos Bacterianos
Perciformes/parasitologia
Simbiose
Trichostomatina/citologia
Trichostomatina/fisiologia
[Mh] Termos MeSH secundário: Animais
Austrália
Especificidade de Hospedeiro
Microscopia Eletrônica de Transmissão
Papua Nova Guiné
Queensland
Água do Mar/parasitologia
Proteínas de Prata/química
África do Sul
Trichostomatina/microbiologia
Trichostomatina/ultraestrutura
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Silver Proteins); 9008-42-8 (strong silver protein)
[Em] Mês de entrada:1306
[Cu] Atualização por classe:130107
[Lr] Data última revisão:
130107
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:121130
[St] Status:MEDLINE
[do] DOI:10.1111/jeu.12004


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[PMID]:22553174
[Au] Autor:Petrzelková KJ; Schovancová K; Profousová I; Kisidayová S; Váradyová Z; Pekár S; Kamler J; Modrý D
[Ad] Endereço:Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Brno, Czech Republic. petrzelkova@ivb.cz
[Ti] Título:The effect of low- and high-fiber diets on the population of entodiniomorphid ciliates Troglodytella abrassarti in captive chimpanzees (Pan troglodytes).
[So] Source:Am J Primatol;74(7):669-75, 2012 Jul.
[Is] ISSN:1098-2345
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Troglodytella abrassarti is an intestinal entodiniomorphid ciliate commonly diagnosed in the feces of wild and captive chimpanzees (Pan troglodytes). Entodiniomorphids could be considered to have a mutualistic relationship with the great apes, in that the ciliates benefit from the intestinal ecosystem of the host, while also contributing to the fiber fermentation process. We examined the effect of diet on the infection intensities of T. abrassarti in two captive chimpanzees in the Liberec Zoo, Czech Republic. The chimpanzees were fed a low-fiber diet (LFD) with 14% neutral detergent fiber (NDF) and a high-fiber diet (HFD; 26% NDF) for 10 days with one transition, and two 10-day adaptation periods. Fecal samples were examined coproscopically with the merthiolate-iodine-formaldehyde concentration (MIFC) technique, in order to quantify the number of ciliates per gram of feces. A significant trend of increasing T. abrassarti numbers was observed when the animals were fed the LFD, compared to when they were fed the HFD. Our results suggest, however, that infection intensities of T. abrassarti in captive chimpanzees are not influenced primarily by the amount of fiber in the diet, but rather by the dietary starch concentration (HFD: 1%; LFD: 8%).
[Mh] Termos MeSH primário: Infecções por Cilióforos/veterinária
Dieta/veterinária
Fibras na Dieta/administração & dosagem
Pan troglodytes/parasitologia
Trichostomatina/isolamento & purificação
[Mh] Termos MeSH secundário: Animais
Animais de Zoológico
Infecções por Cilióforos/parasitologia
República Tcheca
Fezes/parasitologia
Interações Hospedeiro-Parasita
Masculino
Amido
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Dietary Fiber); 9005-25-8 (Starch)
[Em] Mês de entrada:1209
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:120504
[St] Status:MEDLINE
[do] DOI:10.1002/ajp.22021



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