Tripanosomátidos: Diferenzas entre revisións

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:''Este artigo trata sobre a orde Trypanosomatida, ver tamén o xénero '''[[Trypanosoma]]'''.
Os '''tripanosomátidos''' ('''Trypanosomatida''') son un grupo de protozoos [[cinetoplástido]]s con categoría de [[orde (bioloxía)|orde]] que se distinguen por ter un só [[flaxelo]]. O nome deriva do [[lingua grega|grego]] ''trypano'' (trade) e ''soma'' (corpo) porque as especies máis características se desprazan cun movemento de sacarrollas. Todos os membros do grupo son exclusivamente [[parasito]]s, fundamentalmente de [[insecto]]s.<ref>{{Cita publicación periódica |author=Podlipaev S |title=The more insect trypanosomatids under study-the more diverse Trypanosomatidae appears |journal=Int. J. Parasitol. |volume=31 |issue=5-6 |pages=648–52 |year=2001 |month=May |doi=10.1016/S0020-7519(01)00139-4|pmid=11334958}}</ref> Uns poucos xéneros teñen ciclos de vida que implican un [[hóspede]] secundario, o cal pode ser un [[vertebrado]], [[invertebrado]] ou [[planta]]. Entre eles hai varias especies que causan importantes enfermidades nos humanos.<ref>{{Cita publicación periódica |author=Simpson AG, Stevens JR, Lukes J |title=The evolution and diversity of kinetoplastid flagellates |journal=Trends Parasitol. |volume=22 |issue=4 |pages=168–74 |year=2006 |month=April |pmid=16504583 |doi=10.1016/j.pt.2006.02.006}}</ref>
 
A tres principais enfermidades humanas causadas por tripanosomátidos son: [[tripanosomíase]] africana (ou [[tripanosomíase africana|enfermidade do sono]], causada por ''[[Trypanosoma brucei]]''), tripanosomíase suramericana (ou [[enfermidade de Chagas]], causada polo ''[[Trypanosoma cruzi]]''), e [[leishmaníase]] (un conxunto de enfermidades tripanosómicas causadas por varias especies do xénero ''[[Leishmania]]'').
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== Outras características ==
Características notables dos tripanosomátidos son a súa capacidade de realizar o [[trans-splicing]] do [[ARN]] e a posesión de [[glicosoma]]s nos cales se realiza boa parte da [[glicólise]]. O [[orgánulo]] [[acidocalcisoma]] identificouse por primeira vez en [[tripanosoma]]s.<ref>{{Cita publicación periódica |author=Docampo R, de Souza W, Miranda K, Rohloff P, Moreno SN |title=Acidocalcisomes — conserved from bacteria to man |journal=Nat. Rev. Microbiol. |volume=3 |issue=3 |pages=251–61 |year=2005 |month=March |pmid=15738951 |doi=10.1038/nrmicro1097 |url=http://www.nature.com/nrmicro/journal/v3/n3/full/nrmicro1097.html}}</ref>
 
== Notas ==
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== Véxase tamén ==
=== Outras lecturas ===
* {{Cita publicación periódica |author=Bütikofer P, Ruepp S, Boschung M, Roditi I |title='GPEET' procyclin is the major surface protein of procyclic culture forms of ''Trypanosoma brucei brucei'' strain 427 |journal=Biochem. J. |volume=326 |issue=Pt 2 |pages=415–23 |year=1997 |month=September |pmid=9291113 |pmc=1218686 |url=http://www.biochemj.org/bj/326/0415/bj3260415.htm}}
* {{Cita publicación periódica |author=Dean S, Marchetti R, Kirk K, Matthews KR |title=A surface transporter family conveys the trypanosome differentiation signal |journal=Nature |volume=459 |issue=7244 |pages=213–7 |year=2009 |month=May |pmid=19444208 |pmc=2685892 |doi=10.1038/nature07997}}
* {{Cita publicación periódica |author=Engstler M, Boshart M |title=Cold shock and regulation of surface protein trafficking convey sensitization to inducers of stage differentiation in ''Trypanosoma brucei'' |journal=Genes Dev. |volume=18 |issue=22 |pages=2798–811 |year=2004 |month=November |pmid=15545633 |pmc=528899 |doi=10.1101/gad.323404 |url=http://www.genesdev.org/cgi/pmidlookup?view=long&pmid=15545633}}
* {{Cita publicación periódica |author=Hofer A, Steverding D, Chabes A, Brun R, Thelander L |title=''Trypanosoma brucei'' CTP synthetase: a target for the treatment of African sleeping sickness |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=98 |issue=11 |pages=6412–6 |year=2001 |month=May |pmid=11353848 |pmc=33482 |doi=10.1073/pnas.111139498 |url=http://www.pnas.org/cgi/pmidlookup?view=long&pmid=11353848}}
* {{Cita libro |author=Janovy, J; Roberts, L.S. |title=Foundations of Parasitology |publisher=McGraw Hill |location=New York NY |year=2005 |pages=61–69 |edition=7th}}
* {{Cita publicación periódica |author=Legros D, Ollivier G, Gastellu-Etchegorry M, ''et al.'' |title=Treatment of human African trypanosomiasis--present situation and needs for research and development |journal=Lancet Infect Dis |volume=2 |issue=7 |pages=437–40 |year=2002 |month=July |pmid=12127356 |url=http://linkinghub.elsevier.com/retrieve/pii/S1473309902003213 |doi=10.1016/S1473-3099(02)00321-3}}
* {{Cita publicación periódica |author=Matthews KR |title=The developmental cell biology of ''Trypanosoma brucei'' |journal=J. Cell. Sci. |volume=118 |issue=Pt 2 |pages=283–90 |year=2005 |month=January |pmid=15654017 |pmc=2686837 |doi=10.1242/jcs.01649 |url=http://jcs.biologists.org/cgi/pmidlookup?view=long&pmid=15654017}}
* {{Cita publicación periódica |author=Matthews KR, Gull K |title=Evidence for an interplay between cell cycle progression and the initiation of differentiation between life cycle forms of African trypanosomes |journal=J. Cell Biol. |volume=125 |issue=5 |pages=1147–56 |year=1994 |month=June |pmid=8195296 | doi = 10.1083/jcb.125.5.1147 |pmc=2120053 |url=http://www.jcb.org/cgi/pmidlookup?view=long&pmid=8195296}}
* {{Cita publicación periódica |author=Morrison LJ, Marcello L, McCulloch R |title=Antigenic variation in the African trypanosome: molecular mechanisms and phenotypic complexity |journal=Cell. Microbiol. |volume=11 |issue=12 |pages=1724–34 |year=2009 |month=December |pmid=19751359 |doi=10.1111/j.1462-5822.2009.01383.x |url=http://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=1462-5814&date=2009&volume=11&issue=12&spage=1724}}
* {{Cita publicación periódica |author=Seed JR, Wenck MA |title=Role of the long slender to short stumpy transition in the life cycle of the african trypanosomes |journal=Kinetoplastid Biol Dis |volume=2 |issue=1 |pages=3 |year=2003 |month=June |pmid=12844365 |pmc=165594 |doi=10.1186/1475-9292-2-3 |url=http://www.kinetoplastids.com/content/2/1/3}}
* {{Cita publicación periódica |author=Shadan S |title=Microbiology: Signals for change |journal=Nature |volume=459 |issue=7244 |pages=175 |year=2009 |month=May |pmid=19444199 |doi=10.1038/459175a}}
* {{Cita publicación periódica |author=Sherwin T, Gull K |title=The cell division cycle of ''Trypanosoma brucei brucei'': timing of event markers and cytoskeletal modulations |journal=Philos. Trans. R. Soc. Lond., B, Biol. Sci. |volume=323 |issue=1218 |pages=573–88 |year=1989 |month=June |pmid=2568647 |url=http://rstb.royalsocietypublishing.org/cgi/pmidlookup?view=long&pmid=2568647 |doi=10.1098/rstb.1989.0037}}
* {{cite web |title=African trypanosomiasis |date=August 2006 |publisher=World Health Organization |url=http://www.who.int/mediacentre/factsheets/fs259/en/}}