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Caracterización de los receptores y ligandos involucrados en la interacción patógeno-garrapata

Authors: Ayllón, Nieves;

Caracterización de los receptores y ligandos involucrados en la interacción patógeno-garrapata

Abstract

A diferencia de lo que podamos pensar, las garrapatas se encuentran en el segundo puesto en el ranking de artrópodos hematófagos responsables de la transmisión de enfermedades en humanos, después de los mosquitos, mientras que se encuentran en el primer puesto a la hora de transmitir enfermedades en animales domésticos y fauna silvestre. Entre los patógenos transmitidos por garrapata se encuentran Borrelia, Anaplasma, Coxiella, Francisella, Rickettsia, Theileria, Ehrlichia y Babesia, así como patógenos virales. Además, las garrapatas no sólo afectan a la salud pública y animal, sino que las infestaciones de garrapatas en el ganado suponen grandes pérdidas económicas por el descenso en la producción de leche y carne en las explotaciones ganaderas. Este estudio forma parte de una línea de investigación cuya finalidad a largo plazo es el desarrollo de vacunas para proteger a humanos y a animales domésticos y silvestres de las enfermedades transmitidas por garrapata utilizando para ello herramientas de genómica funcional y proteómica. Una aproximación para llevar a cabo este objetivo es la técnica molecular del «Ensayo de doble híbrido en levadura». Esta técnica te permite estudiar interacciones entre proteínas. El primer paso en una infección es la unión de receptores moleculares (proteínas de membrana) del patógeno a receptores moleculares de la célula hospedadora, en nuestro caso, la unión de receptores del patógeno a receptores de las células de la garrapata. Este ensayo nos permite estudiar cuáles son estos receptores involucrados en el proceso infectivo. Aquellos receptores de la garrapata que se unan a los del patógeno serán posibles antígenos candidatos para el desarrollo de vacunas capaces de bloquear el primer paso de la infección, la entrada del patógeno en la garrapata, y así evitar la posible transmisión de este patógeno cuando la garrapata se alimenta en el hospedador.

Resumen del trabajo presentado a las II Jornadas doctorales de la Universidad de Castilla la Mancha, celebradas en Toledo el 13 de noviembre de 2012.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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