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Artículo

First report of linear megaplasmids in the genus Micrococcus

Dib, Julian RafaelIcon ; Wagenknecht, Martin; Hill, Russel T.; Farias, Maria EugeniaIcon ; Meinhardt, Friedhelm
Fecha de publicación: 12/2010
Editorial: Academic Press Inc Elsevier Science
Revista: Plasmid.
ISSN: 0147-619X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

High-altitude wetlands (above 4200 m) in the northwest of Argentina are considered pristine and extreme environments. Micrococcus sp. A1, H5, and V7, isolated from such environments, were shown to contain linear megaplasmids, designated pLMA1, pLMH5, and pLMV7, respectively. As known from linear plasmids of other actinomycetes, all three plasmids were resistant to λ exonuclease treatment, which is consistent with having terminal proteins covalently attached to their 5′ DNA ends. Electrophoretic mobility, Southern analysis, and restriction endonuclease patterns revealed pLMA1 and pLMH5 being indistinguishable plasmids, even though they were found in different strains isolated from two distant wetlands – Laguna Azul and Laguna Huaca Huasi. Analysis of 16S rDNA sequences of Micrococcus sp. A1, H5, and V7 suggested a close relationship to Micrococcus luteus. Typing of isolates was performed using fingerprint patterns generated by BOX-PCR. Plasmid-deficient strains, generated from Micrococcus sp. A1, showed a significantly decreased resistance level for erythromycin.
Palabras clave: Micrococcus , Linear Plasmid , Terminal Protein , Box-Pcr , Argentinean High-Altitude Wetlands
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/41353
URL: https://www.sciencedirect.com/science/article/pii/S0147619X09001176
DOI: https://doi.org/10.1016/j.plasmid.2009.10.001
Colecciones
Articulos(PROIMI)
Articulos de PLANTA PILOTO DE PROC.IND.MICROBIOLOGICOS (I)
Citación
Dib, Julian Rafael; Wagenknecht, Martin; Hill, Russel T.; Farias, Maria Eugenia; Meinhardt, Friedhelm; First report of linear megaplasmids in the genus Micrococcus; Academic Press Inc Elsevier Science; Plasmid.; 63; 1; 12-2010; 40-45
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