Chlamydia psittaciandC. aviumin feral pigeon (Columba livia domestica) droppings in two cities in the Netherlands

Burt, Sara A.; Röring, Romy E.; Heijne, Marloes

doi:10.1080/01652176.2018.1482028

Cited by 27 publications

(26 citation statements)

References 22 publications

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“…C. ibidis are three newly described avian chlamydial species. Thus far, C. avium has been detected in pigeons and psittacine birds, whereas C. gallinacea is endemic in domestic poultry, and is capable of infecting chickens, ducks, guinea fowls, turkeys, and possibly other birds [12,13,22,23,158,166,167,168,169,170,171]. Thus far, feral sacred ibis is the sole known animal reservoir for Ca.…”

Section: Introductionmentioning

confidence: 99%

Chlamydiaceae: Diseases in Primary Hosts and Zoonosis

et al. 2019

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Bacteria of the Chlamydiaceae family are a type of Gram-negative microorganism typified by their obligate intracellular lifestyle. The majority of the members in the Chlamydiaceae family are known pathogenic organisms that primarily infect the host mucosal surfaces in both humans and animals. For instance, Chlamydia trachomatis is a well-known etiological agent for ocular and genital sexually transmitted diseases, while C. pneumoniae has been implicated in community-acquired pneumonia in humans. Other chlamydial species such as C. abortus, C. caviae, C. felis, C. muridarum, C. pecorum, and C. psittaci are important pathogens that are associated with high morbidities in animals. Importantly, some of these animal pathogens have been recognized as zoonotic agents that pose a significant infectious threat to human health through cross-over transmission. The current review provides a succinct recapitulation of the characteristics as well as transmission for the previously established members of the Chlamydiaceae family and a number of other recently described chlamydial organisms.

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Section: Introductionmentioning

confidence: 99%

Chlamydiaceae: Diseases in Primary Hosts and Zoonosis

et al. 2019

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“…C . avium , another chlamydial species infecting birds, was first described in 2014 [16] and has so far been reported in feral pigeons from Italy, France, Germany and the Netherlands, in a parrot from Germany and in a mallard from Poland [16–18]. To date, it is still unclear whether it causes disease in birds, if it has zoonotic potential or how it is transmitted.…”

Section: Introductionmentioning

confidence: 99%

Chlamydiaceae in wild, feral and domestic pigeons in Switzerland and insight into population dynamics by Chlamydia psittaci multilocus sequence typing

Mattmann¹,

Marti²,

Borel³

et al. 2019

PLoS ONE

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Feral pigeons, common wood pigeons and Eurasian collared doves are the most common representatives of the Columbidae family in Switzerland and are mostly present in highly populated, urban areas. Pigeons may carry various members of the obligate intracellular Chlamydiaceae family, particularly Chlamydia (C.) psittaci, a known zoonotic agent, and C. avium. The objective of the study was to identify the infection rates of common free-roaming pigeons for different Chlamydia species with the overall aim to assess the risk pigeons pose to public health. In this study, 431 pigeons (323 feral pigeons, 34 domestic pigeons, 39 Eurasian collared doves, 35 common wood pigeons) from several geographic locations in Switzerland were investigated for the presence of Chlamydiaceae. Samples consisted of pooled choanal-cloacal swabs (n = 174), liver samples (n = 52), and paired swab and liver samples from 205 pigeons (n = 410). All 636 samples were screened using a Chlamydiaceae family-specific 23S rRNA real-time PCR (qPCR). Subsequent species identification was performed by DNA-microarray assay, sequencing of a 16S rRNA gene fragment and a C. psittaci specific qPCR. In total, 73 of the 431 pigeons tested positive for Chlamydiaceae, of which 68 were positive for C. psittaci, four were C. avium-positive and one pigeon was co-infected with C. avium and C. psittaci. The highest infection rates were detected in feral (64/323) and domestic pigeons (5/34). Common wood pigeons (2/35) and Eurasian collared doves (2/39) revealed lower infection rates. Additionally, multilocus sequence typing of twelve selected C. psittaci-positive samples revealed closely related sequence types (ST) between and within different Swiss cities. Furthermore, liver and corresponding swab samples from the same bird were colonized by the same ST. Considering the high infection rates of C. psittaci in domestic and feral pigeons, close or frequent contact to these birds poses a human health risk.

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“…The more recently Abbasi et al ( 11 ) found C. psittaci genotype B in symptomatic pigeons by partial sequencing of ompA in the North of Iran. Several studies identified C. psittaci genotype B in pigeons by PCR in different countries including the Netherlands ( 4 ), Belgium, Germany and Italy ( 30 ).…”

Section: Discussionmentioning

confidence: 99%

“…This is the same as our results when the majority samples were grouped under genotype B in pigeons. The recent experiments found whole genomic sequences of C. avium isolated from pigeons in Italy ( 32 ), the Netherlands ( 4 ) and Switzerland ( 5 ) by PCR. Further experiments should be done to determine the zoonotic ability and the virulence of this strain.…”

Section: Discussionmentioning

confidence: 99%

“…Recently, Chlamydi avium had identified as a new member of this family which causes respiratory disease and diarrhea in pigeons and psittacine (3). Several European studies reported this bacterium in pigeons (3)(4)(5), although the zoonotic ability of this bacterium is still an enigma. Psittacosis in humans has similar symptoms to influenza which can lead to pneumonia and non-respiratory health problems such as endocarditis, myocarditis, meningitis and conjunctivitis (6).…”

Section: Introductionmentioning

confidence: 99%

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Detection and identification of Chlamydia spp. from pigeons in Iran by nested PCR and sequencing

Golestani¹,

Khoshkhoo²,

Hosseini³

et al. 2020

IJM

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Background and Objectives: Chlamydia psittaci, an obligate intracellular, Gram-negative zoonotic pathogen, has eight serovars and nine genotypes isolated from avian species with higher frequency in parrots and pigeons. The aim of this study was to characterize Chlamydia spp. using nested PCR and sequencing. Materials and Methods: A total of 270 pharyngeal swab samples collected randomly from asymptomatic pigeons of 30 pigeon aviaries in Tehran province. DNA was extracted with specific kit and amplified by specific primers in the first PCR and outer membrane protein A (ompA) gene in the second PCR. Positive samples were sequenced and phylogenetic tree analyzed based on the ompA gene. Results: Records showed that 16 of 30 (53%) pigeon aviaries were positive for Chlamydia spp. Phylogenetic tree analysis revealed that 15 of 16 (93.7%) positive samples, belonged to C. psittaci genotype B whereas the other sample belonged to C. avium. C. psittaci detected in 50% of pigeon aviaries that is high rate in Tehran province. Conclusion: As C. psittaci is a zoonosis and life threaten pathogen for human being, these results indicate the significance of it detection in asymptomatic pigeons. Also, this is the first report of Chlamydia avium presence in Iranian pigeons which its zoonotic potential is still unknown.

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Chlamydia psittaciandC. aviumin feral pigeon (Columba livia domestica) droppings in two cities in the Netherlands

Abstract: C. psittaci and C. avium are present in feral pigeon droppings in Utrecht and Haarlem. Human contact with droppings from infected pigeons or inhalation of dust from dried droppings represent a potential hazard to public health.

Cited by 27 publications

References 22 publications

Chlamydiaceae: Diseases in Primary Hosts and Zoonosis

Chlamydiaceae: Diseases in Primary Hosts and Zoonosis

Chlamydiaceae in wild, feral and domestic pigeons in Switzerland and insight into population dynamics by Chlamydia psittaci multilocus sequence typing

Detection and identification of Chlamydia spp. from pigeons in Iran by nested PCR and sequencing

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