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Characterization and Sequencing of a Genotype XII Newcastle Disease Virus Isolated from a Peacock (Pavo cristatus) in Peru.

ABSTRACT: Here, we report the first complete sequence and biological characterization of a Newcastle disease virus (NDV) isolated from a peacock in South America (NDV/peacock/Peru/2011). This isolate, classified as genotype XII in class II, highlights the need for increased surveillance of noncommercial avian species.

SUBMITTER: Chumbe A

PROVIDER: S-EPMC4520891 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Characterization and Sequencing of a Genotype XII Newcastle Disease Virus Isolated from a Peacock (Pavo cristatus) in Peru.

Chumbe Ana A Izquierdo-Lara Ray R Tataje-Lavanda Luis L Figueroa Aling A Segovia Karen K Gonzalez Rosa R Cribillero Giovana G Montalvan Angela A Fernández-Díaz Manolo M Icochea Eliana E

Genome announcements 20150730 4

Here, we report the first complete sequence and biological characterization of a Newcastle disease virus (NDV) isolated from a peacock in South America (NDV/peacock/Peru/2011). This isolate, classified as genotype XII in class II, highlights the need for increased surveillance of noncommercial avian species. ...[more]

PMID: 26227592

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Project description:BackgroundTo date, Campylobacter jejuni has not been found to be pathogenic to peafowl. The available publications show that out of a total of 44 samples tested from peafowl, this bacterium was isolated only in two cases. Eimeria pavonina infestations in the peafowl have been described, but no fatal cases have been reported yet.Case presentationThe four-year-old peacock was presented with chronic diarrhea, emaciation and weakness. Post mortem examination revealed enlarged and pale kidneys, small intestinal mucosal necrosis and thickening of intestinal wall, and pericardial effusion. The histopathological examination revealed necrotic enteritis with marked mononuclear cells infiltration associated with the presence of coccidia, additionally there was histological evidence of septicemia in liver and kidneys. Bacteria identification was based on light microscopy of the small intestine sample, culture, and biochemical tests. Further identification was based on PCR. Antimicrobial susceptibility profile was created by determination of minimal inhibitory concentration (MIC) values for 6 antimicrobial agents from 5 different classes. PCR assays were performed to detect virulence factors genes responsible for motility, cytolethal distending toxin production, adhesion and internalization. Bacteriology of the small intestine sample showed abundant growth almost exclusively of Campylobacter jejuni, resistant to ciprofloxacin, gentamycin and ampicillin. Bacteria was sensitive to Amoxicillin + clavulanic acid, tetracycline, and erythromycin. All tested virulence factors genes have been detected. The parasitological examination was performed by microscopic examination of fresh faeces and intestinal content, and revealed the moderate number of Eimeria pavonina, Histomonas meleagridis, single Capillaria spp. eggs as well Heterakis spp. like parasites.ConclusionThe above case shows that a virulent isolate of Campylobacter jejuni in combination with a parasitic invasion may cause chronic enteritis in peafowl, which most likely led to extreme exhaustion of the host organism and death.

Dataset Information

Characterization and Sequencing of a Genotype XII Newcastle Disease Virus Isolated from a Peacock (Pavo cristatus) in Peru.

Publications

Characterization and Sequencing of a Genotype XII Newcastle Disease Virus Isolated from a Peacock (Pavo cristatus) in Peru.

Similar Datasets

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