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Chlamydia suis and tetracycline resistance genes un Italian wild boar (Sus scrofa). 2021

Antonietta Di Francesco, and Federico Morandi, and Hanna Marti, and Carmela Santagati, and Nicole Borel
Department of Veterinary Medical Sciences University of Bologna Italy. antoniet.difrancesco@unibo.it.

The aim of this study was to investigate the occurrence of Chlamydia suis and tetracycline resistance determinants in conjunctival swabs of Italian wild boars, by PCR. Extracted DNA collected from 50 wild boars from Northern and Central Italy was examined by molecular methods. One sample (2%) from the Central Italy was positive for C. suis. Fragments of tetR(C) and tetR(C)-tet(C) resistance determinants were amplified from the same sample. Further molecular investigations suggested the attribution of these tetracycline resistance determinants to C. suis, such as the truncation oftetR(C) and absence of a intact invasion (inv)-like region. While tetracycline-resistant C. suis is very common in domestic pigs, its occurrence has not been reported in wild boar before. Wild boar might acquire tetracycline resistance determinants through direct or indirect contact with domestic pigs.

UI MeSH Term Description Entries
D007558 Italy A country in southern Europe, a peninsula extending into the central Mediterranean Sea, northeast of Tunisia. The capital is Rome. Sardinia
D002689 Chlamydia A genus of the family CHLAMYDIACEAE whose species cause a variety of diseases in vertebrates including humans, mice, and swine. Chlamydia species are gram-negative and produce glycogen. The type species is CHLAMYDIA TRACHOMATIS.
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
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog
D013553 Swine Diseases Diseases of domestic swine and of the wild boar of the genus Sus. Disease, Swine,Diseases, Swine,Swine Disease
D013753 Tetracycline Resistance Nonsusceptibility of bacteria to the action of TETRACYCLINE which inhibits aminoacyl-tRNA binding to the 30S ribosomal subunit during protein synthesis.
D034421 Sus scrofa A species of SWINE, in the family Suidae, comprising a number of subspecies including the domestic pig Sus scrofa domestica. Pig, Domestic,Sus scrofa domesticus,Wild Boar,Sus scrofa domestica,Boar, Wild,Boars, Wild,Domestic Pig,Domestic Pigs,Pigs, Domestic,Wild Boars

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