Human infections associated with wild birds

Tsiodras, Sotirios; Kelesidis, Theodoros; Kelesidis, Iosif; Bauchinger, Ulf; Falagas, Matthew E.

doi:10.1016/j.jinf.2007.11.001

Cited by 164 publications

(149 citation statements)

References 144 publications

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“…In contrast to other studies [24,27] that showed birds exclusively as vectors of human or animal fungal (yeasts and filamentous fungi) pathogens, most of our isolates represent plant pathogens and/or food contaminants. On the other hand, in accordance to data reported by Tsiodras et al [27], birds sampled in the present study were found to be carriers of different species of yeast (such as Cryptococcus spp.) as reported in the first part of this study published by Francesca et al [7].…”

Section: Discussioncontrasting

confidence: 85%

“…Moreover, most of these species found are well known producers of mycotoxins, common contaminants of foods and feeds [11]. In contrast to other studies [24,27] that showed birds exclusively as vectors of human or animal fungal (yeasts and filamentous fungi) pathogens, most of our isolates represent plant pathogens and/or food contaminants. On the other hand, in accordance to data reported by Tsiodras et al [27], birds sampled in the present study were found to be carriers of different species of yeast (such as Cryptococcus spp.)…”

Section: Discussioncontrasting

confidence: 56%

“…The recent studies carried out on the microbial populations transported by birds have been mainly related to safety aspects [24,27], since birds contribute to disseminate various microorganisms in the environment [22]. Birds may play a defining role in long distance movement of microorganisms; for example, in the case of yeasts, it has been shown that insects may transport cells within approximately 10 km [9], while migratory birds are effective at longer distances [7].…”

Section: Introductionmentioning

confidence: 99%

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Filamentous Fungi Transported by Birds During Migration Across the Mediterranean Sea

et al. 2012

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The potential for the transport and diffusion of some pathogenic microorganisms by migratory birds is of concern. Migratory birds may be involved in the dispersal of microorganisms and may play a role of mechanical and biological vectors. The efficiency of dispersal of pathogenic microorganisms depends on a wide range of biotic and abiotic factors that influence the survival or disappearance of a given agent in a geographical area. In the present study, 349 migratory birds were captured in four sites (Mazara del Vallo, Lampedusa, Ustica and Linosa), representing the main stop-over points during spring and autumnal migration, and analyzed for the presence of filamentous fungi. A total of 2,337 filamentous fungi were isolated from 216 birds and identified by a combined phenotypic-genotypic approach to species level. Twelve species were identified in the study, with Cladosporium cladosporioides, Alternaria alternata, and Aspergillus niger as the most abundant. The transport of these fungal species isolated in this study is of considerable importance because some of these species can create dangers to human health.

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Section: Discussioncontrasting

confidence: 85%

Section: Discussioncontrasting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

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Filamentous Fungi Transported by Birds During Migration Across the Mediterranean Sea

et al. 2012

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“…Similar to all other vertebrates, birds are susceptible and can also transmit enteropathogens to humans and, surprisingly, there are few comprehensive surveys done for wild and most domesticated birds (Reed et al 2003). There are reports of human infections caused by E. coli and S. Typhimurium transmitted indirectly by migratory birds belonging to the Passeriformes order (Tsiodras et al 2008) which, hypothetically, suggest that the transmission of these pathogens by passerines when maintained in the home environment can occur. Also, several outbreaks of human salmonellosis have been associated with foodborne contamination by passerines (Kapperud et al 1998, Alley et al 2002.…”

Section: Introductionmentioning

confidence: 99%

Identification and antimicrobial resistance of members from the Enterobacteriaceae family isolated from canaries (Serinus canaria)

et al. 2015

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RESUMO.-[Identificação e resistência antimicrobiana de membros da família Enterobacteriaceae isolados de canários (Serinus canaria).]A família Enterobacteriaceae possui bactérias com potencial zoonótico e a presença destas bactérias em canários é relatada na literatura, porém a realidade dos plantéis de criadores de canários é desconhecida. Portanto, este trabalho teve como objetivo isolar enterobactérias de canários belga (Serinus canarius) com o intuito de conhecer os gêneros mais comuns nestas aves e suas respectivas resistências a antimicrobianos. De fevereiro a junho de 2013 foram coletadas 387 amostras de swabs cloacais de canários de oito propriedades da cidade de Fortaleza, Brasil e de 58 necropsias de aves do acervo próprio do Laboratório de Estudos Ornitológicos. As amostras foram submetidas a isolamento microbiológico utilizando-se água peptonada e ágar MacConkey. As colônias foram selecionadas de acordo com suas características morfológicas nas placas, submetidas à tipificação bioquímica para identificação e ao teste de sensibilidade a antimicrobianos. The Enterobacteriaceae family contains potentially zoonotic bacteria, and their presence in canaries is often reported, though the current status of these in bird flocks is unknown. Therefore, this study aimed to identify the most common genera of enterobacteria from canaries (Serinus canaria) and their antimicrobial resistance profiles. From February to June of 2013, a total of 387 cloacal swab samples from eight domiciliary breeding locations of Fortaleza city, Brazil, were collected and 58 necropsies were performed in canaries, which belonged to the Laboratory of Ornithological Studies. The samples were submitted to microbiological procedure using buffered peptone water and MacConkey agar. Colonies were selected according to their morphological characteristics on selective agar and submitted for biochemical identification and antimicrobial susceptibility. A total of 61 isolates were obtained, of which 42 were from cloacal swabs and 19 from necropsies. The most isolated bacteria was Escherichia coli with twenty five strains, followed by fourteen Klebsiella spp., twelve Enterobacter spp., seven Pantoea agglomerans, two Serratia spp. and one Proteus mirabilis. The antimicrobial to which the strains presented most resistance was sulfonamides with 55.7%, followed by ampicillin with 54.1% and tetracycline with 39.3%. The total of multidrug-resistant bacteria (MDR) was 34 (55.7%). In conclusion, canaries harbor members of the Enterobacteriaceae family and common strains present a high antimicrobial resistance rate, with a high frequency of MDR bacteria. 34 (55,7%). Portanto, conclui-se que os canários albergam enterobactérias e que as cepas apresentam alto índice de resistência a antimicrobianos, com alta frequência de cepas RMD.

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“…Moreover, certain forms of yeasts that are neutral to some animal species may be pathogenic toward others, including humans (Dynowska and Kisicka 2005a). Thus, animals colonized by some neutral yeasts may be natural reservoirs of potential pathogens and moving between different habitats, and they can become vectors of the pathogens transmission (Dynowska and Kisicka 2005b;Tsiodras et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Potentially pathogenic yeast isolated from the throat and cloaca of an Arctic colonial seabird: the little auk (Alle alle)

et al. 2012

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Yeasts are a distinctive group of microfungi, but compared to other microorganisms, their ecological function and biodiversity are poorly known. This is especially so where polar ecosystems are concerned. With climate changes and increasing pollution levels in the Arctic, it can be anticipated that there will be an increase in the prevalence and diversity of fungi colonizing live organisms. With these changes, it is crucial to investigate and monitor species diversity and prevalence of fungi in this fragile environment. In this study, yeasts were examined from throat and cloaca of a small colonial seabird, the little auk (Alle alle), a keystone species in the Arctic ecosystem. Samples were collected from 94 adults and 17 nestlings in breeding colony in Magdalenefjorden (NW Spitsbergen) in 2009. In total, twelve species of yeast from eight genera were found in 12 % of the samples, with the Dipodascus genus being the most prevalent. All yeast species were found in the adults, but only one species, Cryptococcus macerans, was found in a single nestling. In individuals where fungus was isolated, it was only isolated from either the throat or the cloaca, except for two cases, where fungus was found in both throat and cloaca. The presence of yeast was not related to sex but age of the birds, with adults being more prone to colonization by yeasts than the nestlings. The relatively low prevalence and diversity of yeast in little auks suggest that these birds are random carriers of fungi, with minor health impacts.

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Human infections associated with wild birds

Cited by 164 publications

References 144 publications

Filamentous Fungi Transported by Birds During Migration Across the Mediterranean Sea

Filamentous Fungi Transported by Birds During Migration Across the Mediterranean Sea

Identification and antimicrobial resistance of members from the Enterobacteriaceae family isolated from canaries (Serinus canaria)

Potentially pathogenic yeast isolated from the throat and cloaca of an Arctic colonial seabird: the little auk (Alle alle)

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