Serological characterization of bovine rotaviruses isolated from dairy and beef herds in Argentina

Bellinzoni, R. C.; Blackhall, Jorge; Mattion, Nora; Estes, Mary K.; Snodgrass, D. R.; LaTorre, J L; Scodeller, Eduardo A.

doi:10.1128/jcm.27.11.2619-2623.1989

Cited by 41 publications

(29 citation statements)

References 31 publications

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“…(Bartels et al, 2010;Bendali et al, 1999). In Argentina, RVA diarrhea represents a permanent problem in dairy calves reared under artificial management and causes severe outbreaks in beef herds, every calving season (Badaracco et al, 2012;Bellinzoni et al, 1989;Garaicoechea et al, 2006). Disease control is based in vaccination of pregnant cows in the last stage of pregnancy with aqueous or oil adjuvanted vaccines including bovine RVA reference strains UK or IND (G6P [5]) and B223 (G10P[11]).…”

Section: Phylogenetic Analyses Of Genotype P[11]mentioning

confidence: 99%

Phylogenetic analyses of typical bovine rotavirus genotypes G6, G10, P[5] and P[11] circulating in Argentinean beef and dairy herds

Badaracco¹,

Garaicoechea²,

Matthijnssens

et al. 2013

Infection, Genetics and Evolution

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Group A rotavirus (RVA) is one of the main causes of neonatal calf diarrhea worldwide. RVA strains affecting Argentinean cattle mainly possess combinations of the G6, G10, P[5] and P[11] genotypes. To determine RVA diversity among Argentinean cattle, representative bovine RVA strains detected in diarrheic calves were selected from a survey conducted during 1997-2009. The survey covered the main livestock regions of the country from dairy and beef herds. Different phylogenetic approaches were used to investigate the genetic evolution of RVA strains belonging to the prevalent genotypes. The nucleotide phylogenetic tree showed that all genotypes studied could be divided into several lineages. Argentinean bovine RVA strains were distributed across multiple lineages and most of them were distinct from the lineage containing the vaccine strains. Only the aminoacid phylogenetic tree of G6 RVA strains maintained the same lineages as observed at the nucleotide level, whereas a different clustering pattern was observed for the aminoacid phylogenetic trees of G10, P[5] and P[11] suggesting that the strains are more closely related at the aminoacid level than G6 strains. Association between P[5] and G6(IV), prevalent in beef herd, and between P[11] and G6(III) or G10 (VI and V), prevalent in dairy herds, were found. In addition, Argentinean G6(III), G10, P[5] and P[11] bovine RVA strains grouped together with human strains, highlighting their potential for zoonotic transmission. Phylogenetic studies of RVA circulating in animals raised for consumption and in close contact with humans, such as cattle, contribute to a better understanding of the epidemiology of the RVA infection and evolution.

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Section: Phylogenetic Analyses Of Genotype P[11]mentioning

confidence: 99%

Phylogenetic analyses of typical bovine rotavirus genotypes G6, G10, P[5] and P[11] circulating in Argentinean beef and dairy herds

Badaracco¹,

Garaicoechea²,

Matthijnssens

et al. 2013

Infection, Genetics and Evolution

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“…Rotaviruses are the major infectious cause of diarrhea in young calves in many countries (2,9,20,25). Neutralizing antibody production is mediated by epitopes on both outer capsid proteins VP4 (coded for by gene segment 4) and VP7 (from gene segment 8 or 9), but serotypes are largely defined on the dominant VP7 glycoprotein.…”

mentioning

confidence: 99%

“…Nine serotypes have been generally accepted (11,13), but in addition, B223 bovine virus has been proposed as serotype 10 (I. Holmes, personal communication). Most bovine rotaviruses that have been typed have belonged to serotype 6, but a few distinct viruses have been isolated (1,2,17,24,27,29). These have usually been characterized only as distinct from serotype 6, and their potential relationships to each other have not been studied.…”

mentioning

confidence: 99%

Rotavirus serotypes 6 and 10 predominate in cattle

et al. 1990

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Calf fecal rotavirus strains were serotyped in enzyme-linked immunosorbent assays, using monoclonal antibodies to the VP7s of serotypes 1, 2, 3, 5, and 6 and to the VP4 of B223 (designated serotype 10). Sixty-six percent of 162 samples were typed as serotype 6, and 7% were serotyped as serotype 10. Most of the untyped strains did not react with a monoclonal antibody directed to a common VP7 epitope, indicating insufficient virus present in the samples. However, seven untyped samples that did react with this antibody were adapted to culture and typed, and six of these also proved to belong to serotype 6 or 10. Two of these viruses belonged to a monotype within serotype 6 that did not react with the serotype 6 monoclonal antibody. The seventh isolate reacted in cross-neutralization tests with serotype 8 viruses. Bovine rotaviruses from the United Kingdom, Federal Republic of Germany, and Japan that had been shown previously to be distinct from serotype 6 were compared in neutralization tests with B223 from the United States. These viruses proved to be a closely reacting group distinct from all other rotavirus serotypes, justifying the establishment of serotype 10 as the second major type of bovine rotavirus.

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“…The beef and dairy cattle which are subjected to different management practices show differences in incidence of rotavirus infections and the distribution of group A BRV serotypes. Dairy herds show a more complex distribution of serotypes as compared to the beef herds (Bellinzoni et al, 1989a).…”

Section: Epidemiologymentioning

confidence: 99%

“…The G serotype distribution among field rotavirus isolates in different countries has been studied extensively. The distribution of the G6 type rotaviruses in dairy and beef herds has been examined in Argentina using ELISA (Bellinzoni et al, 1989a). In their study, about 85% of the isolates from beef herds (n=72) were classified as serotype 6 viruses and the rest were classified as non serotype 6 or untypable viruses.…”

Section: Epidemiologymentioning

confidence: 99%

Characterization of the P and G types and the VP4 and VP7 gene divergence among group A bovine rotaviruses

Mummidi

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Serological characterization of bovine rotaviruses isolated from dairy and beef herds in Argentina

Abstract: Two other strains from dairy herds were classified as bovine viruses related to the bovine B223 strain reported by Woode and co-workers (G.

Cited by 41 publications

References 31 publications

Phylogenetic analyses of typical bovine rotavirus genotypes G6, G10, P[5] and P[11] circulating in Argentinean beef and dairy herds

Phylogenetic analyses of typical bovine rotavirus genotypes G6, G10, P[5] and P[11] circulating in Argentinean beef and dairy herds

Rotavirus serotypes 6 and 10 predominate in cattle

Characterization of the P and G types and the VP4 and VP7 gene divergence among group A bovine rotaviruses

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