Experts and Doctors on phylogeny in Caracas, Capital, Venezuela


Locale: Caracas, Capital, Venezuela
Topic: phylogeny

Top Publications

  1. Segovia M, Carrasco H, Martínez C, Messenger L, Nessi A, Londoño J, et al. Molecular epidemiologic source tracking of orally transmitted Chagas disease, Venezuela. Emerg Infect Dis. 2013;19:1098-101 pubmed publisher
    ..We report source attribution for 2 peri-urban oral outbreaks of Chagas disease in Venezuela via high resolution microsatellite typing. ..
  2. Quintero A, Uzcategui N, Loureiro C, Villegas L, Illarramendi X, Guevara M, et al. Hepatitis delta virus genotypes I and III circulate associated with hepatitis B virus genotype F In Venezuela. J Med Virol. 2001;64:356-9 pubmed
    ..These results suggest the circulation of HDV genotype I among Amerindians, probably introduced through European immigrations, and that this HDV genotype is able to replicate in association with HBV genotype F...
  3. Borges A, Bermingham E, Herrera N, Alfonzo M, Sanjur O. Molecular systematics of the neotropical scorpion genus Tityus (Buthidae): the historical biogeography and venom antigenic diversity of toxic Venezuelan species. Toxicon. 2010;55:436-54 pubmed publisher
    ..serrulatus and anti-T. discrepans antivenoms was low, suggesting that venom components produced by the subgenus Archaeotityus (which encompass "clathratus" species) diverge antigenically from other Tityus scorpions. ..
  4. Teixeira M, Theodoro R, Niño Vega G, Bagagli E, Felipe M. Paracoccidioides species complex: ecology, phylogeny, sexual reproduction, and virulence. PLoS Pathog. 2014;10:e1004397 pubmed publisher
  5. Camacho E, Sepulveda V, Goldman W, San Blas G, Niño Vega G. Expression of Paracoccidioides brasiliensis AMY1 in a Histoplasma capsulatum amy1 mutant, relates an ?-(1,4)-amylase to cell wall ?-(1,3)-glucan synthesis. PLoS ONE. 2012;7:e50201 pubmed publisher
    ..Our findings show that P. brasiliensis Amy1p produces maltooligosaccharides which may act as a primer molecule for the fungal cell wall ?-(1,3)-glucan biosynthesis by Ags1p...
  6. Zambrano K, Geraud Pouey F, Chirinos D, Romay G, Marys E. Tomato chlorotic leaf distortion virus, a new bipartite begomovirus infecting Solanum lycopersicum and Capsicum chinense in Venezuela. Arch Virol. 2011;156:2263-6 pubmed publisher
    ..TCLDV was also detected in symptomatic C. chinense plants growing near the T217L-infected plant. ..
  7. Sulbaran Y, Gutierrez C, Marquez B, Rojas D, Sanchez D, Navas J, et al. Hepatitis A virus genetic diversity in Venezuela: exclusive circulation of subgenotype IA and evidence of quasispecies distribution in the isolates. J Med Virol. 2010;82:1829-34 pubmed publisher
    ..The molecular characterization of HAV isolates from Venezuela showed the circulation of a unique subgenotype IA, but with the presence of diverse strains and quasispecies inside the viral populations. ..
  8. Romay G, Chirinos D, Geraud Pouey F, Desbiez C. Association of an atypical alphasatellite with a bipartite New World begomovirus. Arch Virol. 2010;155:1843-7 pubmed publisher
    ..These findings raise new questions about the origin and evolution of subviral agents associated with begomoviruses...
  9. Conesa A, Fernández Mestre M, Padron D, Toro F, Silva N, Tassinari P, et al. Distribution of killer cell immunoglobulin-like receptor genes in the mestizo population from Venezuela. Tissue Antigens. 2010;75:724-9 pubmed publisher
    ..7% of the population of which 25.9% were individuals homozygous for haplotype A. The frequencies of KIR genes reflect the ethnic admixture existing in the mestizo Venezuelan population. ..

More Information


  1. Betancourt W, Querales L, Sulbaran Y, Rodriguez Diaz J, Caraballo L, Pujol F. Molecular characterization of sewage-borne pathogens and detection of sewage markers in an urban stream in Caracas, Venezuela. Appl Environ Microbiol. 2010;76:2023-6 pubmed publisher
    ..This study reveals epidemiological features of human pathogens of worldwide distribution and the efficacy of molecular methods for accurate assessment of sewage pollution. ..
  2. D Suze G, Schwartz E, García Gómez B, Sevcik C, Possani L. Molecular cloning and nucleotide sequence analysis of genes from a cDNA library of the scorpion Tityus discrepans. Biochimie. 2009;91:1010-9 pubmed publisher
    ..The N-terminal amino acid sequence of several peptides is reported here for the first time. A phylogenetic tree analysis is also reported, as well as three three-dimensional models of representative toxins...
  3. Rangel H, Garzaro D, Gutiérrez C, Vásquez L, Guillen G, Torres J, et al. HIV diversity in Venezuela: predominance of HIV type 1 subtype B and genomic characterization of non-B variants. AIDS Res Hum Retroviruses. 2009;25:347-50 pubmed publisher
    ..This study shows that HIV-1 subtype B is still highly predominant in Venezuela. Whereas some sporadic cases of other HIV types can be found, they do not seem to have disseminated to the present. ..
  4. Carrero L, Niño Vega G, Teixeira M, Carvalho M, Soares C, Pereira M, et al. New Paracoccidioides brasiliensis isolate reveals unexpected genomic variability in this human pathogen. Fungal Genet Biol. 2008;45:605-12 pubmed publisher
    ..This isolate clearly separates from all other Paracoccidioides isolates in phylogenetic analyses and greatly increases the genomic variation known in this genus...
  5. Devesa M, Loureiro C, Rivas Y, Monsalve F, Cardona N, Duarte M, et al. Subgenotype diversity of hepatitis B virus American genotype F in Amerindians from Venezuela and the general population of Colombia. J Med Virol. 2008;80:20-6 pubmed
    ..The apparent absence of correlation between the phylogenetic groupings of HBV isolates with the ethnical origin in aboriginal populations might be suggesting a recent origin of HBV American subgenotypes, or a genetic drift effect. ..
  6. Gendzekhadze K, Herrera F, Montagnani S, Balbas O, Witter K, Albert E, et al. HLA-DP polymorphism in Venezuelan Amerindians. Hum Immunol. 2004;65:1483-8 pubmed
    ..Despite general similarities, each tribe and, in some cases, some subtribes show their own pattern of allele and haplotype distribution apparently more as a result of linguistic than to geographic variation. ..
  7. Loureiro C, Alonso R, Pacheco B, Uzcátegui M, Villegas L, León G, et al. High prevalence of GB virus C/hepatitis G virus genotype 3 among autochthonous Venezuelan populations. J Med Virol. 2002;68:357-62 pubmed
    ..This report confirms the circulation of the Asiatic genotype of GBV-C/HGV among Amerindians, suggesting an old origin of GBV-C/HGV. This might be associated with the apparently low pathogenesis of this virus...
  8. Gueneau P, Fuenmayor J, Aristimuño O, Cedeño S, Báez E, Reyes N, et al. Are goats naturally resistant to gastric Helicobacter infection?. Vet Microbiol. 2002;84:115-21 pubmed
    ..We discuss the possibility that goats may exhibit natural resistance to abomasal infection by Helicobacter spp. ..