Virus y viroides pdf merge

Patogenos subcelulares virus, viroides y priones integrantes. The mildest of these symptoms is production loss, but the most detrimental is potato tuber necrotic. Cuadros comparativos entre bacterias y virus diferencias y. In the context of an epidemiological study on potato virus y pvy in potato crops, solanum elaeagnifolium cav. Enfermedades causadas por viroides y priones by yanick suarez. Microbiologia resumo ii virus, viroides e prions virus. Sep 14, 2009 viroids share structural and functional similarities with the socalled viroidlike satellite rnas small, circular, nonproteincoding genomes that replicate through a rollingcircle mechanism involving ribozymes but, in contrast to viroids, viroidlike satellite rnas depend for their replication on a helper virus. Priones son unas particula infecciosa formada por una proteina denominada prionica. Kiara gonzales anel vela valeri caceres lourdes torres jazmin liza forman agregados supramoleculares y son patogenas con. Comparacion virus viroides y priones viroides tomado. Virus y viroides virus y viroides fitopatogenos fitopatogenos. If you continue browsing the site, you agree to the use of cookies on this website.

Virus priones y viroides gratis ensayos buenastareas. Semejanzas y diferencias entres virus, viriones y priones. Enfermedades causadas por viroides y priones by yanick. Please use one of the following formats to cite this article in your essay, paper or report. Pvy infection of potato plants results in a variety of symptoms depending on the viral strain.

Capsomero acido membrana protuberancias nucleico glicoproteinas capside acido nucleico nucleocapside a icosaedro sin cubierta b icosaedro envuelto c helicoidal sin cubierta d helicoidal envuelto 3. Nous y reviendrons dans les cours consacres a ces differents virus. Diener showed that the agent was not a virus, but a totally unexpected novel type of pathogen, 180th the size of typical viruses, for which he proposed the term viroid. Pdf solanum elaeagnifolium, a potential source of potato.

Surveys were carried out in four seed potato areas. Virus, viroides y priones by kiara carrillo on prezi. Tema 19 virus vegetales y viroides microbiologia ucm. Potato virus y pvy is a plant pathogenic virus of the family potyviridae, and one of the most important plant viruses affecting potato production. Potato virus y pvy is one of the most damaging viruses on tobacco crops. Virus caracteres generales descubiertos a finales del siglo xix caracter infectivo pasteur, 1884. Parallel to agriculturedirected studies, more basic scientific research elucidated many of viroids physical, chemical, and macromolecular properties. Priones proteinas infecciosas heredados y transmisibles por ingestion, trasplante. Download as ppt, pdf, txt or read online from scribd. Kiara gonzales anel vela valeri caceres lourdes torres jazmin liza forman agregados supramoleculares y son. Diversite et ecologie des virus associes aux arthropodes. Drummond 2007 and ess scores following merging of samples.