Avian Chlamydiosis

Vanrompay, Daisy

doi:10.1002/9781119371199.ch24

Cited by 14 publications

(23 citation statements)

References 111 publications

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“…Due to the high density of pigeons in urban and rural areas, dust inhalation and daily unprotected contacts of pet birds with owners and other involved people such as breeders, veterinarians, laboratory and farmworkers is a hazard for the public health ( 33 ). As all C. psittaci genotypes can infect humans, characterization of this pathogen is recommended, although C. psittaci genotype B and E causes a less virulent infection ( 2 ). There is no experiment in C. psittaci genotyping in Iranian people contacting birds.…”

Section: Discussionmentioning

confidence: 99%

“…Chlamydi psittaci is the most common species which causes infection principally in parrots as psittacosis (ornithosis), pigeons (Columbiformes), doves and mynah birds. Affected birds can be asymptomatic; however, common clinical signs are weight loss, diarrhea, anorexia, polyuria, respiratory signs (dyspnea), conjunctivitis, hyperthermia, abnormal excretions, reduced egg production and sudden death ( 2 ). Recently, Chlamydi avium had identified as a new member of this family which causes respiratory disease and diarrhea in pigeons and psittacine ( 3 ).…”

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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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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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“…Além disso a MOMP tem sido foco de estudo para desenvolvimento de agente profilático, como vacinas (Harkinezhad et al, 2009;Proença et al, 2011). O conhecimento da porção MOMP mostra-se importante para determinar os diferentes sorotipos do organismo, uma vez que o gene que codifica a proteína, o gene ompA, possui cinco regiões de sequência variável e conservada (Vanrompay, 2020).…”

Section: Etiologiaunclassified

Avian chlamydiosis: Review

Piccoli¹,

Andrade²,

Viott³

2021

Pubvet

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A clamidiose é umas das afecções de caráter zoonótico mais importante das aves. A doença tem caráter cosmopolita e é listada em diversas espécies animais, inclusive no ser humano. No Brasil, os dados epidemiológicos sobre clamidiose são escassos, principalmente devido à dificuldade de diagnóstico ou acesso a esse. O objetivo dessa revisão é abordar os aspectos fundamentais da clamidiose aviária como patogenia, apresentações clínicas e formas de diagnóstico, além de enfatizar a importância dessa doença na saúde única.

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“…C. psittaci infection is particularly common in captive parrots and cockatoos (order Psittaciformes), where prevalence is between 16% and 81%, and in captive doves and pigeons (order Columbiformes), where prevalence is between 13% and 95% [ 7 ]. C. psittaci is also often found in poultry and is considered endemic in the turkey industry [ 11 ]. Additional orders of infected wild birds include the Lariformes (gulls) and Anseriformes (ducks and geese) [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

“…In this review, we present the current knowledge of chlamydial infections in wild birds worldwide. Our review addresses an important gap in the literature, as previous reviews of avian chlamydial infections have focused primarily on a captive bird or human disease perspective (e.g., [ 11 , 15 ]) or are confined to one geographic region or host species (e.g., [ 22 ]). We primarily discuss C. psittaci , as this is the most studied species; however, we also review the available data on other Chlamydiaceae and Chlamydia -related bacteria.…”

Section: Introductionmentioning

confidence: 99%

A Review of Chlamydial Infections in Wild Birds

2021

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The Chlamydia are a globally distributed genus of bacteria that can infect and cause disease in a range of hosts. Birds are the primary host for multiple chlamydial species. The most well-known of these is Chlamydia psittaci, a zoonotic bacterium that has been identified in a range of wild and domesticated birds. Wild birds are often proposed as a reservoir of Chlamydia psittaci and potentially other chlamydial species. The aim of this review is to present the current knowledge of chlamydial infections in wild avian populations. We focus on C. psittaci but also consider other Chlamydiaceae and Chlamydia-related bacteria that have been identified in wild birds. We summarise the diversity, host range, and clinical signs of infection in wild birds and consider the potential implications of these infections for zoonotic transmission and avian conservation. Chlamydial bacteria have been found in more than 70 species of wild birds, with the greatest chlamydial diversity identified in Europe. The Corvidae and Accipitridae families are emerging as significant chlamydial hosts, in addition to established wild hosts such as the Columbidae. Clarifying the effects of these bacteria on avian host fitness and the zoonotic potential of emerging Chlamydiales will help us to understand the implications of these infections for avian and human health.

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Avian Chlamydiosis

Cited by 14 publications

References 111 publications

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

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

Avian chlamydiosis: Review

A Review of Chlamydial Infections in Wild Birds

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