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Artículo

Extrachromosomal genetic elements in Micrococcus

Dib, Julian RafaelIcon ; Liebl, Wolfgang; Wagenknecht, M.; Farias, Maria EugeniaIcon ; Meinhardt, Friedhelm
Fecha de publicación: 09/11/2012
Editorial: Springer-Verlag Berlin
Revista: Applied Microbiology and Biotechnology
ISSN: 0175-7598
e-ISSN: 1432-0614
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Celular, Microbiología; Biotecnología relacionada con la Salud

Resumen

Micrococci are Gram-positive G+C-rich, nonmotile, nonspore-forming actinomycetous bacteria. Micrococcus comprises ten members, with Micrococcus luteus being the type species. Representatives of the genus play important roles in the biodegradation of xenobiotics, bioremediation processes, production of biotechnologically important enzymes or bioactive compounds, as test strains in biological assays for lysozyme and antibiotics, and as infective agents in immunocompromised humans. The first description of plasmids dates back approximately 28 years, when several extrachromosomal elements ranging in size from 1.5 to 30.2 kb were found in Micrococcus luteus. Up to the present, a number of circular plasmids conferring antibiotic resistance, the ability to degrade aromatic compounds, and osmotolerance are known, as well as cryptic elements with unidentified functions. Here, we review the Micrococcus extrachromosomal traits reported thus far including phages and the only quite recently described large linear extrachromosomal genetic elements, termed linear plasmids, which range in size from 75 kb (pJD12) to 110 kb (pLMA1) and which confer putative advantageous capabilities, such as antibiotic or heavy metal resistances (inferred from sequence analyses and curing experiments). The role of the extrachromosomal elements for the frequently proven ecological and biotechnological versatility of the genus will be addressed as well as their potential for the development and use as genetic tools.
Palabras clave: Plasmids , Micrococcus , Andean Lakes , Uv Radiation , Extrachromosomal Elements
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info:eu-repo/semantics/restrictedAccess 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/11336/1705
DOI: http://dx.doi.org/doi:10.1007/s00253-012-4539-5
URL: http://link.springer.com/article/10.1007%2Fs00253-012-4539-5
Colecciones
Articulos(PROIMI)
Articulos de PLANTA PILOTO DE PROC.IND.MICROBIOLOGICOS (I)
Citación
Dib, Julian Rafael; Liebl, Wolfgang; Wagenknecht, M.; Farias, Maria Eugenia; Meinhardt, Friedhelm; Extrachromosomal genetic elements in Micrococcus; Springer-Verlag Berlin; Applied Microbiology and Biotechnology; 97; 1; 9-11-2012; 63-75
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