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Research of torque teno virus (TTV) in serum and total blood of Brazilian non-human primates and in chicken plasma (Gallus gallus domesticus) by the PCR N22 region / Investigación de Torque teno virus (TTV) en suero y sangre de primates no humanos brasileños y en plasma de pollo (Gallus gallus domesticus) por PCR en la region N22
Catroxo, M. H. B; Nishiya, A; Sabino, E; Teixeira, P. S; Petrella, S; Milanelo, L; Vieira, J. C. F; Diaz, R. S.
  • Catroxo, M. H. B; Institute Biological of São Paulo. Laboratory of Electron Microscopy. BR
  • Nishiya, A; Fundação Pro-Blood Homecenter of São Paulo. BR
  • Sabino, E; Fundação Pro-Blood Homecenter of São Paulo. BR
  • Teixeira, P. S; University of São Paulo. Institute of Biomedical Sciences. BR
  • Petrella, S; Institute Adolfo Lutz. São Paulo. BR
  • Milanelo, L; Ecological Park of Tietê. São Paulo. BR
  • Vieira, J. C. F; Federal University of São Paulo. Department of Surgical Techniques. BR
  • Diaz, R. S; Federal University of São Paulo. Laboratory of Retrovirology. BR
Int. j. morphol ; 26(2): 377-384, jun. 2008. ilus
Article in English | LILACS | ID: lil-549961
ABSTRACT
Torque teno virus (TTV) is a recently discovered DNA virus that was originally isolated from a Japanese patient (initials, TT) with post-transfusion hepatitis of unknown aetiology. TTV is an circular DNA virus classified recently together with related Torque teño minivirus, into a new genus called Anellovirus. Infection TTV has been detected in a range of non-human primates as well as domestic animals. The purpose of this study was to search TTV in the serum and total blood of Brazilian monkeys and in plasma of domestic chickens by seminested PCR of coding region (N22), followed by a genomic sequence and phylogenetic analysis. No serum sample was amplified. TTV DNA was detected in total blood from 3 (4 percent) out of 75 brown-capuchin (Cebus apella) and from 1 (25 percent) out of 4 golden-headed lion-tamarin (Leontopithecus chrysomelas). Phylogenetic analysis revealed that one sample showed similarity with one sequence of the cotton top tamarin (Saguinus oedipus) (So-TTV2) and with one of the douroucoulis (ão tes trivirgatus) (At-TTV3). Two samples showed similarity with a human Torque Teño Mini Virus (TLMV). The other sample clustered with one sequence of the chimpanzee (Pt-TTV6) and with the human TTV strain TA278. The plasma chicken samples tested were all negative. The amino acid sequences reported in this study are the first obtained in Brazil from total blood of non-human primates naturally infected by TTV.
RESUMEN
Torque teno virus (TTV) es un virus de ADN recientemente descubierto que fue inicialmente aislado de un paciente japonés (iniciales TT) después de la transfusión de hepatitis de etiología desconocida. TTV es un virus de ADN circular recientemente clasificado junto con los torque teno minivirus, en un nuevo género llamado Anellovirus. La infección de TTV se ha detectado en una serie de primates no humanos, así como animales domésticos. El objetivo de este estudio fue buscar TTV en el suero y sangre total de monos de Brasil y en el plasma de pollos domésticos, por seminested PCR de la región de codificación (N22), seguido de una secuencia genómica y el análisis filogenético. Las muestras que no eran suero fueron amplificadas. TTV DNA se detectó en sangre total de 3 (4 por ciento) de un total de 75 capuchinos de cabeza dura (Cebus apella) y de 1 (25 por ciento) de un total de 4 tití- león de cabeza dorada (Leontopithecus chrysomelas). El análisis filogenético demostró que una muestra presentaba similitud con una secuencia de Saguinus Edipo (So-TTV2) y con una de Aotes trivirgatus (A-TTV3). Dos muestras mostraron similitud con un torque teno mini virus (TLMV) humano. La otra muestra agrupada con una secuencia de los chimpancés (PT-TTV6) y con el TTV humanos cepa TA278. El análisis de las muestras de plasma de pollo fueron negativas Las secuencias de aminoácidos que se reportan en este estudio son las primeras obtenidas en Brasil de sangre de primates no humanos infectados naturalmente por TTV.
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Full text: Available Index: LILACS (Americas) Main subject: Poultry Diseases / Primate Diseases / Torque teno virus / DNA Virus Infections Country/Region as subject: South America / Brazil Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Ecological Park of Tietê/BR / Federal University of São Paulo/BR / Fundação Pro-Blood Homecenter of São Paulo/BR / Institute Adolfo Lutz/BR / Institute Biological of São Paulo/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Poultry Diseases / Primate Diseases / Torque teno virus / DNA Virus Infections Country/Region as subject: South America / Brazil Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Ecological Park of Tietê/BR / Federal University of São Paulo/BR / Fundação Pro-Blood Homecenter of São Paulo/BR / Institute Adolfo Lutz/BR / Institute Biological of São Paulo/BR / University of São Paulo/BR