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Title: Biofilms on rocks
Author: Hernández Mariné, Ma. de la Concepción
Roldán Molina, Mónica
Keywords: Farmacologia
Ecologia microbiana
Microbial ecology
Issue Date: 2012
Publisher: Transworld Research Network
Abstract: Microorganisms group themselves into assemblies known as communities or biofilms, which are associated with surfaces. A matrix of self-segregated polymeric substances enhances their attachment. Communication between bacterial cells involves the production and detection of diffusible signal molecules, known as quorum sensing, which is an important regulatory mechanism of biofilm strategies. Biofilms thrive everywhere; in subaerial surfaces they can be driven by sunlight, with photosynthesizing components. A special case is those which colonize works of art, forming patinas and becoming involved in the degradation of colonized substrata. Knowledge of threedimensional structure of the biofilm and the distribution of species concerned is crucial for managing and preventing uncontrolled colonization and for preserving cultural heritage sites. This paper describes their role in this degradation, some examples of biofilms and their resilience mechanisms. The methods used in their study when growing in monuments and caves are also discussed.
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Note: Reproducció del capítol 1 del llibre publicat a:
It is part of: Recent Advances in Pharmaceutical Sciences II, 2012, Editor: Diego Muñoz-Torrero, Diego Haro and Joan Vallès, Chapter 1, p. 1-13.
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Appears in Collections:Llibres / Capítols de llibre (Biologia, Sanitat i Medi Ambient)

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