More than classical Chlamydia psittaci in urban pigeons

Sachse, Konrad; Kuehlewind, S.; Ruettger, Anke; Schubert, Evelyn; Rohde, Gernot

doi:10.1016/j.vetmic.2012.01.002

Cited by 87 publications

(98 citation statements)

References 23 publications

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“…Moreover, several authors have suggested that pigeon-derived C. psittaci strains have a low pathogenicity for man (Magnino et al 2009). Lastly, pigeons could be also vectors of other chlamydial species that are relevant for their zoonotic role as previously reported (Sachse et al 2012), which was confirmed in this study due to the detection of DNAs of various chlamydial species. However, further characterization of these sequences and an in-depth study of their zoonotic and epidemiological role are required.…”

Section: Discussionsupporting

confidence: 90%

“…Salmonella spp., Campylobacter spp., Shiga toxin-producing, E. coli, chlamydial agents and Cryptococcus spp. are carried by clinically healthy pigeons (Haag-Wackernagel and Moch 2004, Pedersen et al 2006, Kobayashi et al 2007, Sachse et al 2012. However, the association between human practice and illnesses contracted from feral pigeons has seldom been reported (Haag-Wackernagel and Moch 2004).…”

Section: Introductionmentioning

confidence: 99%

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Microbiological and parasitological survey of zoonotic agents in apparently healthy feral pigeons

Marenzoni¹,

Morganti²,

Moretta³

et al. 2016

Polish Journal of Veterinary Sciences

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Microbiological and parasitological investigation was carried out on a colony of feral pigeons, located in a green area near the main hospital of a Central Italy city. One hundred pigeons were submitted to clinical examination. Cloacal swabs, grouped in pool of 4 samples, were analyzed to detect the presence of Coxiella burnetii, Chlamydia psittaci, Chlamydophila spp. using a biomolecular procedure, while individual cloacal samples were examined for Salmonella spp., Campylobacter spp., and yeasts by means of a specific culture media. An ELISA test was used to determine the presence of Giardia spp., and Cryptosporidium spp. coproantigens. Individual serological samples were also tested with the modified agglutination test (MAT) in order to detect antibodies against Toxoplasma gondii. The pigeons did not show any clinical signs. The cloacal pools proved to be negative for C. burnetii DNA while three pools were positive for C. psittaci or Chlamydophila spp. DNAs. Salmonella spp. was not detected. C. jejuni and C. coli were found in 13% and 4% of the samples, respectively. No Giardia spp. and Cryptosporidium spp. were detected. Thirty-three out of 100 samples (33%) were positive for yeast colonies. The seroprevalence for T. gondii was 8%. Although with moderate incidence, potentially zoonotic agents were present thus highlighting the need for sanitary surveillance on feral pigeon colonies.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Microbiological and parasitological survey of zoonotic agents in apparently healthy feral pigeons

Marenzoni¹,

Morganti²,

Moretta³

et al. 2016

Polish Journal of Veterinary Sciences

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“…Today, the increased pigeon population in major cities of the world is not only a major concern on environmental hygiene due to fecal droppings and fouling odor of buildings and monuments, but also associated risk of transmission infection from animals to humans. The most important pathogenic organism transmissible from feral pigeons to humans is C. psittaci, with 101 cases of disease reported in the literatures [10,14] . Exposure to C. psittaci-contaminated dust, pigeon feeding, and direct contact with pigeons to a lesser extent have been identified as risk of exposures in many of the human cases [15] .…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…However, the significance in terms of worldwide dissemination of the agent is unclear [14] . The use of molecular techniques has enabled researchers in understanding the epidemiology of this pathogen in the past years [14] . There are several studies describing the C. psittaci carrier status of urban pigeon populations, especially from fecal droppings have been reported recently [10,21,22] .…”

Section: Introductionmentioning

confidence: 99%

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İran’da Şehir Güvercinlerinde (Columba livia domestica) Kan, Karaciğer ve Kas Dokularında Chlamydophila psittaci’nin Moleküler Metotlarla Belirlenmesi ve Prevalansı

Khodadadi¹,

Hemmatinezhad²,

Doosti³

et al. 2015

Kafkas Univ Vet Fak Derg

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Chlamydophila psittaci (C. psittaci) is a widespread pathogenic bacterium in pigeons. These animals are mostly infected without any clinical signs. Pigeons are probably the most commonly reported chlamydia-infected avian species. Shedding of Chlamydia from infected birds has been widely reported. This study was conducted to detect and to determine the prevalence of C. psittaci in the blood, liver and muscle tissue of urban pigeons in Iran using conventional polymerase chain reaction. In this study, authors used 90 pigeons from different retail shops across Iran. The study was including 26 female and 64 male pigeons with suspected Chlamydiosis based on clinical signs. During examination of the corpses we took 270 samples in total, including blood, liver and muscle tissue from each animal. C. psittaci was detected in 16 (17.78%) blood samples, 14 (15.56%) liver samples and 5 (5.56%) samples of muscle tissue. This study supports the fact that pigeons serve as carriers of C. psittaci. Therefore, continuous surveillance of this bacterium will go along way in understanding the distribution and risks associated with Chlamydia infected pigeons. This will be beneficial in prevention and control risks of infection in humans. Keywords

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