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- Marandino, Ana; Vagnozzi, Ariel; Craig, María Isabel; Tomás, Gonzalo; Techera, Claudia; Panzera, Yanina; Vera, Federico; Pérez, Ruben
- Avian pathology 2019 v.48 no.3 pp. 270-277
- Infectious bronchitis virus; RNA; birds; flocks; genetic analysis; genetic variation; genome; monitoring; mutation; phylogeny; poultry industry; serotypes; vaccination; vaccines; viruses; Argentina; Brazil; Chile; Colombia; Peru; Uruguay
- ... Infectious bronchitis virus (IBV) is a persistent sanitary problem for the South American poultry industry despite extensive vaccination. The IBV single-stranded RNA genome has high rates of mutation and recombination that generate a notorious virus variability. Since most IBV vaccines are type-specific, there is a need for constant surveillance of the circulating lineages and knowledge about thei ...
- Spatz, Stephen J.; Garcia, Maricarmen; Riblet, Sylva; Ross, Teresa A.; Volkening, Jeremy D.; Taylor, Tonya L.; Kim, Taejoong; Afonso, Claudio L.
- Avian pathology 2019 v.48 no.3 pp. 255-269
- restriction fragment length polymorphism; allelic variation; Gallid alphaherpesvirus 1; nanopores; alleles; monitoring; open reading frames; flocks; industry; polymerase chain reaction; phylogeny; genotype; genotyping; virulence; birds; single nucleotide polymorphism; United States
- ... Over the last decade the US broiler industry has fought long-lasting outbreaks of infectious laryngotracheitis (ILTV). Previously, nine genotypes (I-IX) of ILTVs have been recognized using the polymerase chain reaction-restriction fragment length polymorphisms (PCR-RFLP) method with three viral alleles (gB, gM and UL47/gG). In this study, the genotyping system was simplified to six genotypes by am ...