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Molecular epidemiology of clinical and environmental isolates of the Cryptococcus neoformans species complex reveals a high genetic diversity and the presence of the molecular type VGII mating type a in Colombia.
Escandón P, Sánchez A, Martínez M, Meyer W, Castañeda E. Escandón P, et al. FEMS Yeast Res. 2006 Jun;6(4):625-35. doi: 10.1111/j.1567-1364.2006.00055.x. FEMS Yeast Res. 2006. PMID: 16696659
In Colombia serotypes A and B are most frequently recovered from patients and the environment. Of the 178 clinical isolates studied, 91.1% were of serotype A, 8.4% serotype B and 0.5% serotype C. ...Mating type alpha was determined in 99.3% of serotype A isol …
In Colombia serotypes A and B are most frequently recovered from patients and the environment. Of the 178 clinical isolates studied, …
[In vitro determination of virulence factors activity associated with several Cryptococcus neoformans clinical isolates].
Sánchez A, Escandón P, Castañeda E. Sánchez A, et al. Rev Iberoam Micol. 2008 Sep 30;25(3):145-9. doi: 10.1016/s1130-1406(08)70034-2. Rev Iberoam Micol. 2008. PMID: 18785782 Spanish.
All isolates expressed the enzyme urease, a lower activity of the proteases (Pz= 0.54), but a higher activity of the phospholipase (Pz=0.43) and phenoloxidase (Pz=0.003) was determined for C. gattii....
All isolates expressed the enzyme urease, a lower activity of the proteases (Pz= 0.54), but a higher activity of the phospholi …
High prevalence of Gammapapillomaviruses (Gamma-PVs) in pre-malignant cutaneous lesions of immunocompetent individuals using a new broad-spectrum primer system, and identification of HPV210, a novel Gamma-PV type.
Bolatti EM, Hošnjak L, Chouhy D, Re-Louhau MF, Casal PE, Bottai H, Kocjan BJ, Stella EJ, Gorosito MD, Sanchez A, Bussy RF, Poljak M, Giri AA. Bolatti EM, et al. Virology. 2018 Dec;525:182-191. doi: 10.1016/j.virol.2018.09.006. Epub 2018 Oct 4. Virology. 2018. PMID: 30292127
A novel set of degenerate primers targeting the E1 gene was designed and further used in combination with the well-known CUT PCR assay to assess HPV prevalence and genus distribution in a variety of cutaneous samples from 448 immunocompetent individuals. ...The full
A novel set of degenerate primers targeting the E1 gene was designed and further used in combination with the well-known CUT PCR assa
Colombia: Dealing in conservation.
Clerici N, Richardson JE, Escobedo FJ, Posada JM, Linares M, Sanchez A, Vargas JF. Clerici N, et al. Science. 2016 Oct 14;354(6309):190. doi: 10.1126/science.aaj1459. Epub 2016 Oct 13. Science. 2016. PMID: 27738165 No abstract available.
Identification of human papillomavirus type 156, the prototype of a new human gammapapillomavirus species, by a generic and highly sensitive PCR strategy for long DNA fragments.
Chouhy D, Bolatti EM, Piccirilli G, Sánchez A, Fernandez Bussy R, Giri AA. Chouhy D, et al. J Gen Virol. 2013 Mar;94(Pt 3):524-533. doi: 10.1099/vir.0.048157-0. Epub 2012 Nov 7. J Gen Virol. 2013. PMID: 23136368
This study developed a hanging-droplet long PCR, a generic and highly sensitive strategy to facilitate the identification of new human papillomavirus (HPV) genomes. ...In conclusion, this report provides a versatile and highly sensitive approach that allowed …
This study developed a hanging-droplet long PCR, a generic and highly sensitive strategy to facilitate the identification of n …
Characterization of novel human papillomavirus types 157, 158 and 205 from healthy skin and recombination analysis in genus γ-Papillomavirus.
Bolatti EM, Chouhy D, Casal PE, Pérez GR, Stella EJ, Sanchez A, Gorosito M, Bussy RF, Giri AA. Bolatti EM, et al. Infect Genet Evol. 2016 Aug;42:20-9. doi: 10.1016/j.meegid.2016.04.018. Epub 2016 Apr 21. Infect Genet Evol. 2016. PMID: 27108808
Gammapapillomavirus (γ-PV) is a diverse and rapidly expanding genus, currently consisting of 79 fully characterized human PV (HPV) types. ...Phylogenetic analysis of the L1 ORF placed all novel types within the γ-PV genus: HPV157 was classified as a new member of sp …
Gammapapillomavirus (γ-PV) is a diverse and rapidly expanding genus, currently consisting of 79 fully characterized human PV (HPV) ty …
New generic primer system targeting mucosal/genital and cutaneous human papillomaviruses leads to the characterization of HPV 115, a novel Beta-papillomavirus species 3.
Chouhy D, Gorosito M, Sánchez A, Serra EC, Bergero A, Fernandez Bussy R, Giri AA. Chouhy D, et al. Virology. 2010 Feb 5;397(1):205-16. doi: 10.1016/j.virol.2009.11.020. Epub 2009 Nov 30. Virology. 2010. PMID: 19948351 Free PMC article.
Using overlapping PCR, the full-length genome of a Beta-PV putative type was amplified and cloned. The new virus, designated HPV 115, encodes five early genes and two late genes. ...
Using overlapping PCR, the full-length genome of a Beta-PV putative type was amplified and cloned. The new virus, designated HPV 115, …
Woody vegetation dynamics in the tropical and subtropical Andes from 2001 to 2014: Satellite image interpretation and expert validation.
Aide TM, Grau HR, Graesser J, Andrade-Nuñez MJ, Aráoz E, Barros AP, Campos-Cerqueira M, Chacon-Moreno E, Cuesta F, Espinoza R, Peralvo M, Polk MH, Rueda X, Sanchez A, Young KR, Zarbá L, Zimmerer KS. Aide TM, et al. Glob Chang Biol. 2019 Jun;25(6):2112-2126. doi: 10.1111/gcb.14618. Epub 2019 Apr 7. Glob Chang Biol. 2019. PMID: 30854741 Free PMC article.
Tropical mountains are particularly sensitive because they often have a high human population density, a long history of agriculture, range-restricted species, and high-beta diversity due to a steep elevation gradient. ...In addition, after controlling for el …
Tropical mountains are particularly sensitive because they often have a high human population density, a long history of agric …
Fidelity and Promiscuity in an Ant-Plant Mutualism: A Case Study of Triplaris and Pseudomyrmex.
Sanchez A. Sanchez A. PLoS One. 2015 Dec 2;10(12):e0143535. doi: 10.1371/journal.pone.0143535. eCollection 2015. PLoS One. 2015. PMID: 26630384 Free PMC article.
A data set including all known collections of plant hosts and resident ants was also compiled. The pattern of distribution of both organisms reveals that there are varying degrees of host specificity; most ants show broader host usage (promiscuous) but one species (P. dend
A data set including all known collections of plant hosts and resident ants was also compiled. The pattern of distribution of both or
Natural history of human papillomavirus infection of sun-exposed healthy skin of immunocompetent individuals over three climatic seasons and identification of HPV209, a novel betapapillomavirus.
Bolatti EM, Chouhy D, Hošnjak L, Casal PE, Kocjan BJ, Bottai H, Stella EJ, Sanchez A, Bussy RF, Poljak M, Giri AA. Bolatti EM, et al. J Gen Virol. 2017 Jun;98(6):1334-1348. doi: 10.1099/jgv.0.000774. Epub 2017 Jun 8. J Gen Virol. 2017. PMID: 28590241
We present the first longitudinal study reporting the natural history of human papillomavirus (HPV) infection in sun-exposed skin of healthy individuals living in a geographical area in which solar UV radiation is influenced by the ozone content of the atmosphere. ...The m …
We present the first longitudinal study reporting the natural history of human papillomavirus (HPV) infection in sun-exposed skin of healthy …
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