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Isolation, sequencing and phylogenetic analysis of the hemagglutinin, neuraminidase and nucleoprotein genes of the Chilean equine influenza virus subtypes H7N7 and H3N8 Biol. Res.
Müller,Ilse; Jaureguiberry,Beltrán; Valenzuela,Pablo D.T.
We report here on the isolation and sequencing of the hemagglutinin, neuraminidase and nucleoprotein genes of the Chilean equine influenza virus subtypes H7N7 (A⁄equi-1⁄Santiago⁄77, Sa77) and H3N8 (A⁄equi-2⁄Santiago⁄85, Sa85) . The sequences obtained allowed a variability analysis, which indicated significant differences when compared with other isolates. We found that Chilean isolates are more similar to the North American variety than to European isolates. Isolate Sa77 is a good candidate for inclusion in a vaccine as it is the latest isolate of the subtype H7N7 and is probably better-adapted to the equine host. Isolate Sa85, of subtype H3N8, also appears to be a good candidate since it has no...
Tipo: Journal article Palavras-chave: Equine influenza; Hemagglutinin; Neuraminidase; Nucleoprotein genes.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000100008
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Evolution of equine influenza viruses (H3N8) during a Brazilian outbreak, 2015 BJM
Favaro,Patricia Filippsen; Fernandes,Wilson Roberto; Reischak,Dilmara; Brandão,Paulo Eduardo; Silva,Sheila Oliveira de Souza; Richtzenhain,Leonardo José.
Abstract Equine influenza is one of the major respiratory infectious diseases in horses. An equine influenza virus outbreak was identified in vaccinated and unvaccinated horses in a veterinary school hospital in São Paulo, SP, Brazil, in September 2015. The twelve equine influenza viruses isolated belonged to Florida Clade 1. The hemagglutinin and neuraminidase amino acid sequences were compared with the recent isolates from North and South America and the World Organisation for Animal Health recommended Florida Clade 1 vaccine strain. The hemagglutinin amino acid sequences had nine substitutions, compared with the vaccine strain. Two of them were in antigenic site A (A138S and G142R), one in antigenic site E (R62K) and another not in antigenic site...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Equine influenza; H3N8; Hemagglutinin; Neuraminidase; Evolutionary analysis.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000200336
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Antinutrients in the cassava (Manihot esculenta Crantz) leaf powder at three ages of the plant Ciênc. Tecnol. Aliment.
Wobeto,Carmen; Corrêa,Angelita Duarte; Abreu,Celeste Maria Patto de; Santos,Custódio Donizete dos; Pereira,Henrique Victor.
In Brazil, the cassava leaf meal (CLM) has been used to strive against undernourishment because it is a high source of vitamins and minerals. However, the wide variation in the chemical composition of the different cultivars, as well as their antinutritional substances may be a restriction to their uses. The levels of some antinutrients in CLM from five cultivars at three ages of the plant (TAP) were investigated, in order to select the cultivars and plant ages that would be more appropriate for human consumption. The lowest contents of antinutrients were observed in the 12-month old plants, except for nitrate and hemagglutinin from which the lowest contents were found for the 17 month old ones. The cultivar IAC 289-70 had the lowest antinutrient levels,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cassava leaves; Cyanide; Polyphenol; Saponin; Hemagglutinin; Cultivars.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612007000100019
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Molecular characterization and T and B cell epitopes prediction of Mycoplasma synoviae 53 strain VlhA hemagglutinin Genet. Mol. Biol.
Camargo,Ilana Lopes; Fonseca,Cristina Toscano; Teixeira,Santuza Ribeiro; Azevedo,Vasco; Myioshi,Anderson; Oliveira,Sergio Costa.
Mycoplasma sinoviae is a major pathogen of poultry causing synovitis and respiratory infection. M. synoviae hemagglutinin (VlhA) is a lipoprotein encoded by related multigene families that appear to have arisen by horizontal gene transfer. It is an abundant immunodominant surface protein involved in host-parasite interaction mediating binding to host erythrocytes. Herein, we have performed in silico analysis of the vlhA gene product from the Mycoplasma synoviae 53 strain and compared it to the VlhA protein of M. synoviae WUV1853 strain. The VlhA of the M. synoviae 53 strain possesses 569 amino acids and showed 85% identity with the VlhA protein of the M. synoviae WUV1853 strain. Further, a signal peptide was identified from amino acid M1 to D28 and a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mycoplasma synoviae; Hemagglutinin; Epitopes; Host-parasite interaction; Vaccine.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000200013
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