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Tytuł pozycji:

Molecular survey and genetic characterization of 'Candidatus Mycoplasma haemolamae' in llamas (Lama glama) and alpacas (Vicugna pacos) from Southern Chile.

Tytuł:
Molecular survey and genetic characterization of 'Candidatus Mycoplasma haemolamae' in llamas (Lama glama) and alpacas (Vicugna pacos) from Southern Chile.
Autorzy:
Ramos P; Institudo de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.
Sepulveda-Garcia P; Institudo de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.
Alabí A; Institudo de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile; Departamento de Patologia, UNESP, Teriogenologia e Saúde Única-Faculdade de Ciências Agrárias e Veterinarias Universidade Estadual Paulista (FCAV), Jaboticabal, São Paulo 14884-900, Brazil.
Romero A; Laboratorio de Inmunología y Estrés de Organismos Acuáticos, Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.
Pinto T; Institute of Medicine and Center for Interdisciplinary Studies on the Nervous System, CISNE, Universidad Austral de Chile, Valdivia, Chile.
Rojas A; Institute of Medicine and Center for Interdisciplinary Studies on the Nervous System, CISNE, Universidad Austral de Chile, Valdivia, Chile.
Bittencourt P; Biomedical Sciences Department, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis, West Indies.
Müller A; Institudo de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile; Biomedical Sciences Department, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis, West Indies. Electronic address: .
Źródło:
Acta tropica [Acta Trop] 2021 Oct; Vol. 222, pp. 106046. Date of Electronic Publication: 2021 Jul 15.
Typ publikacji:
Journal Article
Język:
English
Imprint Name(s):
Publication: Amsterdam : Elsevier
Original Publication: Basel.
MeSH Terms:
Camelids, New World*/microbiology
Mycoplasma*/classification
Mycoplasma*/genetics
Mycoplasma Infections*/epidemiology
Mycoplasma Infections*/veterinary
Animals ; Chile/epidemiology ; Phylogeny ; RNA, Ribosomal, 16S/genetics
Contributed Indexing:
Keywords: Camelids; Hemoplasma; Hemotropic Mycoplasma spp.; PCR; South America
Substance Nomenclature:
0 (RNA, Ribosomal, 16S)
Entry Date(s):
Date Created: 20210717 Date Completed: 20211008 Latest Revision: 20211008
Update Code:
20240105
DOI:
10.1016/j.actatropica.2021.106046
PMID:
34273307
Czasopismo naukowe
This study aimed to perform a molecular survey and identification of hemotropic Mycoplasma spp. in domestic South American Camelids from Southern Chile. Conventional PCR (cPCR) for hemotropic Mycoplasma spp. based on 16S rRNA gene (620bp fragment) was performed in 87 EDTA-blood samples taken from 48 llamas (Lama glama) and 39 and alpacas (Vicugna pacos) from to Temuco, La Araucanía region and Valdivia, Los Rios region, Southern Chile. 16S rRNA hemotropic Mycoplasma PCR-positive were sequenced for species identification, phylogenetic and haplotype analyses, and further tested by cPCR targeting a fragment (160-210 bp) of the RNaseP (rnpB) gene. Based upon 16S rRNA cPCR results, the overall hemotropic Mycoplasma spp. occurrence in Southern camelids was 9.2% (8/87 [95% CI (4.0-17.3%)]), with five positive alpacas (12.8%; 5/39 [95% CI (4.3-27.4%)]) and three llamas (6.3%; 3/48 [95% CI (1.7-17.2%)]). All 16S rRNA PCR-positive samples were negative for the rnpB gene. Obtained 16S sequences presented high identity (99-100%) by BLASTn analysis to 'Candidatus Mycoplasma haemolamae' from an alpaca in the United Kingdom. Phylogenetic and haplotype analyses of the 16s rRNA gene showed high similarity among 'Candidatus M. haemolamae' sequences of this study and the ones from North America, Europe, and Asia evidencing a low diversity of Chilean samples, with only one haplotype detected (#1). Haplotype #1 from South American Camelids in Chile was worldwide distributed and observed in North America, Europe, and Asia. 'Candidatus M. haemolamae' detected for the first time in South American camelids in Southern Chile had low diversity and was worldwide spread.
(Copyright © 2021. Published by Elsevier B.V.)

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