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DIGITAL.CSIC
Doctoral thesis . 2017 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Docta Complutense
Doctoral thesis . 2012
Data sources: Docta Complutense
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Estudio del metabolismo de polihidroxialcanoatos en Pseudomonas putida: implicaciones fisiológicas y aplicaciones en el desarrollo de bioplásticos funcionalizados

Authors: Fernández Escapa, Isabel;

Estudio del metabolismo de polihidroxialcanoatos en Pseudomonas putida: implicaciones fisiológicas y aplicaciones en el desarrollo de bioplásticos funcionalizados

Abstract

Las bacterias del género Pseudomonas, bacilos Gram negativospertenecientes a la clase de las gamma proteobacterias, conforman un importantegrupo de microorganismos ubicuos caracterizados por su amplia versatilidadmetabólica (28). Las bacterias pertenecientes a este grupo se distinguen por su gran adaptabilidad a diversos medios, de hecho han sido aisladas en suelos, aguas,alimentos, así como asociados a distintas especies de animales y plantas. Así mismo,son de gran importancia desde el punto de vista ecológico al participar en los ciclos ambientales de los principales elementos y en la degradación de contaminantes biogénicos y de origen antropogénico (255). Los Pseudomonados han sido ampliamente estudiados debido a su gran potencial biotecnológico en áreas como la biodegradación/biotransformación (21, 111), bioaumentación (53), biocatálisis (223), biocontrol (266) y producción de bioplásticos (149, 189). Entre las bacterias del género Pseudomonas de importancia biotecnológica y medioambiental destaca Pseudomonas putida, un microorganismo no patógeno capaz de vivir en suelos, rizosfera y aguas dulces, que es un paradigma de versatilidad metabólica (236, 273). La cepa P. putida KT2440 (4, 200) es la cepa mejor caracterizada de esta especie así como la primera del género Pseudomonas en ser secuenciada (161). Se trata de la una bacteria Gram negativa aislada del suelo y certificada por el “National Institutes of Health” (NIH) de los Estados Unidos como segura para la clonación y expresión de genes heterólogos (66). Gracias a esta acreditación P. putida KT2440, se ha convertido en un organismo modelo para estudios de biodegradación, adaptación a diversos ambientes y para el desarrollo de herramientas biotecnológicas (59, 265). La cepa P. putida KT2442 es un mutante espontáneo de la estirpe KT2440 resistente a rifampicina (4, 74). La cepa KT2442 ha sido ampliamente utilizada, ya que la resistencia a rifampicina facilita la aplicación de las distintas técnicas de Biología Molecular y manipulación genética.

Beca I3P del Consejo Superior de Investigaciones Científicas (CSIC)

173 p.-19 fig.-5 tab.

Peer reviewed

Country
Spain
Keywords

Metabolismo, Biología molecular, Pseudomonas putida, Biología molecular (Biología), Polihidroxialcanoatos, Glicerol, 2415 Biología Molecular, Pseudomonas dputia, Bioplásticos, 579.8(043.2), Poliésteres bacterianos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green