About: Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus

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About: Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Recently, we reported the in vitro isolation and the molecular characterization of a new species of Ehrlichia (Ehrlichia mineirensis) from haemolymph of Brazilian Rhipicephalus (Boophilus) microplus ticks. This organism shows an ortholog of Ehrlichia canis major immunogenic protein gp36 with a new structure of tandem repeats. In the present study, we used electron microscopy (high pressure freezing and freeze substitution preparative techniques) to characterize morphologically this new agent growing in IDE8 tick cells. The results showed that E. mineirensis shares ultrastructural features with other members of the genus Ehrlichia (Ehrlichia muris, E. canis and Ehrlichia chaffeensis); typical parasitophorous vacuoles (morulae) contain electron-dense and reticulated Ehrlichiae embedded inside a fibrillar matrix. We observed the characteristic Gram-negative-type cell wall composed of both cytoplasmic and rippled outer membrane. We found organisms undergoing binary fission and rarely altered cells with unusual invagination of the cytoplasmic membrane. Recently, we reported the in vitro isolation and the molecular characterization of a new species of Ehrlichia (Ehrlichia mineirensis) from haemolymph of Brazilian Rhipicephalus (Boophilus) microplus ticks. This organism shows an ortholog of Ehrlichia canis major immunogenic protein gp36 with a new structure of tandem repeats. In the present study, we used electron microscopy (high pressure freezing and freeze substitution preparative techniques) to characterize morphologically this new agent growing in IDE8 tick cells. The results showed that E. mineirensis shares ultrastructural features with other members of the genus Ehrlichia (Ehrlichia muris, E. canis and Ehrlichia chaffeensis); typical parasitophorous vacuoles (morulae) contain electron-dense and reticulated Ehrlichiae embedded inside a fibrillar matrix. We observed the characteristic Gram-negative-type cell wall composed of both cytoplasmic and rippled outer membrane. We found organisms undergoing binary fission and rarely altered cells with unusual invagination of the cytoplasmic membrane. (en)
Title	Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus (en)
skos:prefLabel	Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus (en)
skos:notation	RIV/60077344:_____/13:00423832!RIV14-TA0-60077344
http://linked.open...avai/predkladatel	Biologické centrum AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P V
http://linked.open...avai/riv/aktivity	I, P(TE01020118), V
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Grubhoffer, Libor Vancová, Marie Cabezas Cruz, Alejandro
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	112474
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/13:00423832
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ehrlichia mineirensis; elctron microscopy; in vitro culture (en)
http://linked.open.../riv/klicoveSlovo	in vitro culture Ehrlichia mineirensis elctron microscopy
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A6A3CC762FBA]
http://linked.open...i/riv/nazevZdroje	Veterinary Microbiology
http://linked.open...in/vavai/riv/obor	EA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Electron microscopy
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	167
http://linked.open...iv/tvurceVysledku	Grubhoffer, Libor Vancová, Marie Cabezas Cruz, Alejandro Ribeiro, M.F.B. Passos, L.M.F. Zweygarth, E.
http://linked.open...ain/vavai/riv/wos	000330488600026
issn	0378-1135
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.vetmic.2013.08.001

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