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Primer aislamiento de Mycoplasma leachii asociado a enfermedad en terneros de tambo en Argentina / First report of Mycoplasma leachii isolation associated with disease in dairy calves in Argentina
Neder, Verónica E; Allassia, Martín; Amadio, Ariel; Calvinho, Luis F.
  • Neder, Verónica E; INTA. Estación Experimental Agropecuaria Rafaela. AR
  • Allassia, Martín; Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias. AR
  • Amadio, Ariel; INTA. Estación Experimental Agropecuaria Rafaela. AR
  • Calvinho, Luis F; INTA. Estación Experimental Agropecuaria Rafaela. AR
Rev. argent. microbiol ; 51(1): 18-21, mar. 2019.
Article in English | LILACS | ID: biblio-1041814
ABSTRACT
There are few reports about the isolation of Mycoplasma species associated with cattle disease in Argentina. In this work we describe the detection of Mycoplasma leachii associated with disease in dairy calves in Santa Fe Province, Argentina. Samples obtained from a 4 day-old dairy calf suffering from polyarthritis and from two other calves, one with arthritis and the other one with a mandibular abscess, were subjected to microbiological culture. Classical culture and generic PCR confirmed the presence of Mycoplasma spp. The spacer region between the 16S and 23S ribosomal RNA gene from the first isolate was amplified and sequenced. The sequence obtained showed 99% identity with M. leachii. A PCR was developed to amplify a specific fragment of the 16S-23S ITS region corresponding to M. leachii, which allowed to identify the isolates associated with disease in calves.
RESUMEN
Existen pocos informes acerca del aislamiento de especies de Mycoplasma asociadas con enfermedades del ganado en Argentina. En esta comunicación se describe el aislamiento de Mycoplasma leachii asociado a enfermedad en terneros de tambo en la provincia de Santa Fe, Argentina. Se obtuvieron muestras de un ternero de 4 días de vida con poliartritis, de un ternero con artritis y uno con un absceso mandibular. A partir del cultivo clásico se detectó la presencia de Mycoplasma, lo cual fue confirmado por PCR genérica. Se amplificó y secuenció la región ITS 16S-23S a partir del primer aislamiento, mostrando una identidad del 99% con Mycoplasma leachii. Se desarrolló una PCR para amplificar un fragmento específico de la región ITS 16S-23S correspondiente a M. leachii, que permitió identificar los aislamientos asociados con enfermedad en terneros.
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Full text: Available Index: LILACS (Americas) Main subject: Arthritis / Cattle Diseases / Mycoplasma bovis / Mycoplasma Type of study: Diagnostic study / Prognostic study / Risk factors Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: INTA/AR / Universidad Nacional del Litoral/AR

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Full text: Available Index: LILACS (Americas) Main subject: Arthritis / Cattle Diseases / Mycoplasma bovis / Mycoplasma Type of study: Diagnostic study / Prognostic study / Risk factors Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: INTA/AR / Universidad Nacional del Litoral/AR