2015
DOI: 10.1016/j.virusres.2015.03.002
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Phylogenetic and phylogeographic mapping of the avian coronavirus spike protein-encoding gene in wild and synanthropic birds

Abstract: The evolution and population dynamics of avian coronaviruses (AvCoVs) remain underexplored. In the present study, in-depth phylogenetic and Bayesian phylogeographic studies were conducted to investigate the evolutionary dynamics of AvCoVs detected in wild and synanthropic birds. A total of 500 samples, including tracheal and cloacal swabs collected from 312 wild birds belonging to 42 species, were analysed using molecular assays. A total of 65 samples (13%) from 22 bird species were positive for AvCoV. Molecul… Show more

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Cited by 17 publications
(17 citation statements)
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“…The 5′ UTR detected 66/912 or 7.2% (95% CI: 5.6-8.9%) of samples positive for coronavirus, the nested PCR 100/916 samples or 10.9% (95% CI: 8.9-13.0%) and the modified pancoronavirus PCR 109/915 samples or 11.9% (95% CI: 9.8-14%). By combining the results from the three PCRs, 141/918 or 15.3% (95% CI: [13][14][15][16][17].7%) of all samples tested positive for coronaviruses in at least one PCR assay. Nine hundred and eight samples were tested with all three PCRs.…”
Section: Resultsmentioning
confidence: 99%
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“…The 5′ UTR detected 66/912 or 7.2% (95% CI: 5.6-8.9%) of samples positive for coronavirus, the nested PCR 100/916 samples or 10.9% (95% CI: 8.9-13.0%) and the modified pancoronavirus PCR 109/915 samples or 11.9% (95% CI: 9.8-14%). By combining the results from the three PCRs, 141/918 or 15.3% (95% CI: [13][14][15][16][17].7%) of all samples tested positive for coronaviruses in at least one PCR assay. Nine hundred and eight samples were tested with all three PCRs.…”
Section: Resultsmentioning
confidence: 99%
“…A real-time TaqMan PCR, originally developed to detect IBV in commercial poultry 35 , and later used to screen wild birds for the presence of coronaviruses 17 , was adapted into a real-time SYBR Green PCR assay using the Power SYBR Green RNA-to-C T 1 step kit (Applied Biosystems, California, USA). The PCR amplified a 142 bp product from the 5′ UTR of gammacoronaviruses using primers IBV5′GU391 (5′-GCT TTT GAG CCT AGC GTT-3′) and IBV5′GL533 (5′-GCC ATG TTG TCA CTG TCT ATT G-3′).…”
Section: ′ Untranslated Region (Utr) Coronavirus Real-time Pcrmentioning
confidence: 99%
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“…Due to the advance of the bioinformatics programs for recombination screening, several studies have been performed in order to evaluate if the recombinant events could be the source of these variant isolates described worldwide (Kiss et al, 2016;Naguib et al, 2016;Quinteros et al, 2016). Moreover, the high prevalence of avian coronaviruses circulating in birds other than chicken suggests that wild and synanthropic birds are potential disseminators and could play a role in the emergence of recombinant strains and the dissemination of IBV among distant regions (Durães-Carvalho et al, 2015). Therefore, it might be possible that wild birds are the source of the unclassified sequence fragments observed in the recombinant strains identified in the current study.…”
Section: Discussionmentioning
confidence: 99%
“…Host distributions were based on the species' geographic range defined by the International Union for Conservation of Nature (IUCN) (Cosiaux et al, 2016). To assess the most likely geographic origin of the available WPV, we employed Bayesian Binary Markov Chain Monte Carlo (BBM) method analysis to reconstruct the ancestral regions occupied by PV, as previously used in other studies (Durães-Carvalho et al, 2015;Lauron et al, 2015;Forni et al, 2018). BBM was implemented using the software Reconstruction of Ancestral States in Phylogenies, RASP v3.2 (Yu et al, 2015).…”
Section: Phylogenetic Analysesmentioning
confidence: 99%