The first isolation and molecular characterization of Mycoplasma capricolum subsp. capripneumoniae Pakistan strain: A causative agent of contagious caprine pleuropneumonia. 2021

Faisal Ahmad, and Hayatullah Khan, and Farhan Anwar Khan, and Bryan D Carson, and Umar Sadique, and Ijaz Ahmad, and Muhammad Saeed, and Faiz Ur Rehman, and Hanif Ur Rehman
College of Veterinary Sciences, Department of Animal Health, Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture, Peshawar, 25120, Khyber Pakhtunkhwa, Pakistan; Directorate of Livestock and Dairy Development (Extension), Peshawar, 25000, Khyber Pakhtunkhwa, Pakistan.

OBJECTIVE Mycoplasma capricolum subsp. capripneumoniae (Mccp) causes a severe, usually fatal disease in goats known as Contagious Caprine Pleuropneumonia (CCPP). CCPP is listed by OIE as a notifiable animal diseases, causing economic losses in terms of high morbidity and mortality. Thus far, very limited information is available on the molecular characterization of the unique Mccp strains prevalent in Pakistan. The study was aimed to isolate Mccp local strain for the development of diagnostics and vaccines. METHODS Samples were collected during November 2017-December 2018 at Northern areas of Pakistan from 10 goat flocks each in Gilgit-Baltistan, Chitral, Swat, Buner, and Hazara. 900 samples were collected; nasal swabs (n = 400), tracheal swabs (n = 150) from naturally infected goats showing clinical signs of CCPP, and lungs tissue (n = 200), pleural fluid (n = 150) from goats at necropsy. RESULTS The clinical signs recorded were mucopurulent nasal discharges, cough, abdominal respiration and hyperthermia. The post-mortem revealed, pulmonary consolidation, fibrinous pleuropneumonia, and accumulation pleural fluid. The fried egg like growth was observed on agar in 16 (4%), 11 (7.3%), 38 (19%), and 24 (16%) nasal swab, tracheal swabs, lungs and pleural fluid samples, respectively. PCR targeting 16S rRNA gene revealed isolates, belongs to Mycoplasma mycoides cluster, in 72 (8%) samples. Forty one (4.5%) isolates were Mccp by specie specific PCR generating an amplicon of 316 bp. CONCLUSIONS We successfully isolated local strain of Mccp for the first time in Pakistan. This Mccp strain could be further utilized for the development of diagnostics and control measures against Mccp infection in goats.

UI MeSH Term Description Entries
D009174 Mycoplasma A genus of gram-negative, mostly facultatively anaerobic bacteria in the family MYCOPLASMATACEAE. The cells are bounded by a PLASMA MEMBRANE and lack a true CELL WALL. Its organisms are pathogens found on the MUCOUS MEMBRANES of humans, ANIMALS, and BIRDS. Eperythrozoon,Haemobartonella,Mycoplasma putrefaciens,PPLO,Pleuropneumonia-Like Organisms,Pleuropneumonia Like Organisms
D010154 Pakistan A country located in southern Asia, bordering the Arabian Sea, between India on the east and Iran and Afghanistan on the west and China in the north. The capital is Islamabad. Islamic Republic of Pakistan
D011001 Pleuropneumonia Inflammation of the lung parenchyma that is associated with PLEURISY, inflammation of the PLEURA. Pleuropneumonias
D011019 Pneumonia, Mycoplasma Interstitial pneumonia caused by extensive infection of the lungs (LUNG) and BRONCHI, particularly the lower lobes of the lungs, by MYCOPLASMA PNEUMONIAE in humans. In SHEEP, it is caused by MYCOPLASMA OVIPNEUMONIAE. In CATTLE, it may be caused by MYCOPLASMA DISPAR. Mycoplasma Pneumonia,Pneumonia, Primary Atypical,Mycoplasma dispar Infection,Mycoplasma ovipneumoniae Infection,Mycoplasma pneumoniae Infection,Atypical Pneumonia, Primary,Atypical Pneumonias, Primary,Mycoplasma Pneumonias,Mycoplasma dispar Infections,Mycoplasma ovipneumoniae Infections,Mycoplasma pneumoniae Infections,Pneumonias, Mycoplasma,Pneumonias, Primary Atypical,Primary Atypical Pneumonia,Primary Atypical Pneumonias
D006041 Goats Any of numerous agile, hollow-horned RUMINANTS of the genus Capra, in the family Bovidae, closely related to the SHEEP. Capra,Capras,Goat
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012336 RNA, Ribosomal, 16S Constituent of 30S subunit prokaryotic ribosomes containing 1600 nucleotides and 21 proteins. 16S rRNA is involved in initiation of polypeptide synthesis. 16S Ribosomal RNA,16S rRNA,RNA, 16S Ribosomal,Ribosomal RNA, 16S,rRNA, 16S
D015995 Prevalence The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time. Period Prevalence,Point Prevalence,Period Prevalences,Point Prevalences,Prevalence, Period,Prevalence, Point,Prevalences

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