Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.

A number of mural paintings and building materials from monuments located in central and south Europe are characterized by the presence of an intriguing rosy discolouration phenomenon. Although some similarities were observed among the bacterial and archaeal microbiota detected in these monuments, t...

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Autores principales:	Jörg D Ettenauer, Valme Jurado, Guadalupe Piñar, Ana Z Miller, Markus Santner, Cesareo Saiz-Jimenez, Katja Sterflinger
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4fbe7e72be794b37b0985316b07f0449
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spelling	oai:doaj.org-article:4fbe7e72be794b37b0985316b07f04492021-11-25T06:06:16ZHalophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.1932-620310.1371/journal.pone.0103844https://doaj.org/article/4fbe7e72be794b37b0985316b07f04492014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25084531/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203A number of mural paintings and building materials from monuments located in central and south Europe are characterized by the presence of an intriguing rosy discolouration phenomenon. Although some similarities were observed among the bacterial and archaeal microbiota detected in these monuments, their origin and nature is still unknown. In order to get a complete overview of this biodeterioration process, we investigated the microbial communities in saline environments causing the rosy discolouration of mural paintings in three Austrian historical buildings using a combination of culture-dependent and -independent techniques as well as microscopic techniques. The bacterial communities were dominated by halophilic members of Actinobacteria, mainly of the genus Rubrobacter. Representatives of the Archaea were also detected with the predominating genera Halobacterium, Halococcus and Halalkalicoccus. Furthermore, halophilic bacterial strains, mainly of the phylum Firmicutes, could be retrieved from two monuments using special culture media. Inoculation of building materials (limestone and gypsum plaster) with selected isolates reproduced the unaesthetic rosy effect and biodeterioration in the laboratory.Jörg D EttenauerValme JuradoGuadalupe PiñarAna Z MillerMarkus SantnerCesareo Saiz-JimenezKatja SterflingerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 8, p e103844 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jörg D Ettenauer Valme Jurado Guadalupe Piñar Ana Z Miller Markus Santner Cesareo Saiz-Jimenez Katja Sterflinger Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
description	A number of mural paintings and building materials from monuments located in central and south Europe are characterized by the presence of an intriguing rosy discolouration phenomenon. Although some similarities were observed among the bacterial and archaeal microbiota detected in these monuments, their origin and nature is still unknown. In order to get a complete overview of this biodeterioration process, we investigated the microbial communities in saline environments causing the rosy discolouration of mural paintings in three Austrian historical buildings using a combination of culture-dependent and -independent techniques as well as microscopic techniques. The bacterial communities were dominated by halophilic members of Actinobacteria, mainly of the genus Rubrobacter. Representatives of the Archaea were also detected with the predominating genera Halobacterium, Halococcus and Halalkalicoccus. Furthermore, halophilic bacterial strains, mainly of the phylum Firmicutes, could be retrieved from two monuments using special culture media. Inoculation of building materials (limestone and gypsum plaster) with selected isolates reproduced the unaesthetic rosy effect and biodeterioration in the laboratory.
format	article
author	Jörg D Ettenauer Valme Jurado Guadalupe Piñar Ana Z Miller Markus Santner Cesareo Saiz-Jimenez Katja Sterflinger
author_facet	Jörg D Ettenauer Valme Jurado Guadalupe Piñar Ana Z Miller Markus Santner Cesareo Saiz-Jimenez Katja Sterflinger
author_sort	Jörg D Ettenauer
title	Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
title_short	Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
title_full	Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
title_fullStr	Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
title_full_unstemmed	Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
title_sort	halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/4fbe7e72be794b37b0985316b07f0449
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Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings.

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