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Chlamydia trachomatis
Published in Peter M. Lydyard, Michael F. Cole, John Holton, William L. Irving, Nino Porakishvili, Pradhib Venkatesan, Katherine N. Ward, Case Studies in Infectious Disease, 2010
Peter M. Lydyard, Michael F. Cole, John Holton, William L. Irving, Nino Porakishvili, Pradhib Venkatesan, Katherine N. Ward
Chlamydiaceae are some of the most widespread bacterial pathogens in the world and there are several species that infect a variety of hosts based on a wide range of tissue tropism. Two species, Chlamydia trachomatis and Chlamydophila pneumoniae, are human pathogens and are responsible for various diseases that represent a significant economic burden. Chlamydophila psittaci and C. pecorum are mainly bird/animal pathogens, although zoonotic transmission of the former to humans can occur resulting in the disease psittacosis.
The Ocular Microbiome: Molecular Characterisation of a Unique and Low Microbial Environment
Published in Current Eye Research, 2019
Recent studies of the human skin have shown that atopic individuals had decreased relative abundance of Acinetobacter on their skin.38 Increased relative abundance in heathy people may be protective for allergy.39 Persistent infection with Chlamydophila psittaci has been associated with ocular adnexal lymphoma40 and Helicobacter pylori has been found to be consistently present in conjunctival mucosa-associated lymphoid tissue but absent in healthy conjunctival tissue.41 The significance of understanding whether dysbiosis/dysregulation of resident ocular surface occurs may be important for a number of idiopathic ocular surface disorders with an inflammatory component, including episcleritis, chronic follicular conjunctivitis, dry eye syndrome, pterygium, Thygeson’s disease.42 Understanding whether the causative agent of these diseases is a novel pathogen, consortia of microbes or is related to changes in the structure, stability and/or composition of the microbial community may then lead to new therapies to control these conditions or new ways to monitor or prevent these diseases.
Chlamydophila psittaci pneumonia associated to exposure to fulmar birds (Fulmaris glacialis) in the Faroe Islands
Published in Infectious Diseases, 2018
Marian Elsubeth Fossádal, Mansour Grand, Shahin Gaini
Psittacosis is a zoonotic disease caused by the obligate intracellular bacterium Chlamydophila psittaci (CP) [1,2]. In humans, this pathogen can cause systemic illness but mostly presents with flu-like symptoms which later may be complicated with atypical pneumonia [2]. Many infected humans have a mild self limiting illness [2].
Efficacy of doxycycline in the treatment of early stages of mycosis fungoides: a randomized controlled trial
Published in Journal of Dermatological Treatment, 2021
H. El Sayed, S. Shalaby, M. R. E. Abdel-Halim, D. M. Aboelfadl, N. Samir
Moreover, the satisfactory effect of doxycycline in treating cases of ocular adnexal lymphoma is explained by the fact that most of these cases are marginal zone lymphomas associated with Chlamydophila psittaci infection for which doxycycline has been suggested as a treatment option mainly for its anti-bacterial action (29).