Nature and origin of the violet stains on the walls of a Roman tomb
11 páginas.-- 5 figuras.-- 3 tablas.-- 55 referencias.-- Supplementary data to this article can be found online at http://dx.doi.org/10.1016/j.scitotenv.2017.04.017.
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| Format: | artículo biblioteca |
| Language: | English |
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Elsevier
2017-11
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| Subjects: | Streptomyces, Violet stains, Cyanobacteria, Granaticins, Roman tomb, Biodeterioration, |
| Online Access: | http://hdl.handle.net/10261/153311 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100003329 |
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dig-irnas-es-10261-1533112019-11-01T05:30:25Z Nature and origin of the violet stains on the walls of a Roman tomb Domínguez-Moñino, Irene Díaz-Herraiz, Marta Jurado, Valme Laiz Trobajo, L. Miller, A. Z. Santos, Juan Luis Alonso, Esteban Sáiz-Jiménez, Cesáreo Consejo Superior de Investigaciones Científicas (España) Ministerio de Economía y Competitividad (España) Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration 11 páginas.-- 5 figuras.-- 3 tablas.-- 55 referencias.-- Supplementary data to this article can be found online at http://dx.doi.org/10.1016/j.scitotenv.2017.04.017. The Circular Mausoleum tomb (Roman Necropolis of Carmona, Spain) dates back from the first century AD and is characterized by a dense microbial (phototrophic) colonization on the walls and ceiling. However, some walls exhibited an important number of violet stains of unknown origin. The microbial communities of these violet stains are mainly composed of cyanobacteria, streptomycetes and fungi. A strain of Streptomyces parvus, isolated from the walls, produces a violet pigment in culture media. High performance liquid chromatography-mass spectrometry of the culture extracts obtained from this Streptomyces revealed the presence of a few granaticins, pigments with a benzoisochromanequinone structure. When metabolically active in the tomb, S. parvus synthesizes the pigments that diffuse into the mortar. During rain and/or wetting periods, the pigments are solubilized by alkaline waters and elute from the starting position to the surrounding mortar, enlarging the pigmented area and thus contributing to this exceptional biodeterioration phenomenon. This research was funded by projects GCL2010-17183 and 201230E125. M.D.H. and A.Z.M. were supported by a JAE Research Fellowship from CSIC, and Juan de la Cierva Programme, respectively. Peer reviewed 2017-07-20T06:08:56Z 2017-07-20T06:08:56Z 2017-11 artículo http://purl.org/coar/resource_type/c_6501 Science of the Total Environment (598): 889-899 (2017) 0048-9697 http://hdl.handle.net/10261/153311 10.1016/j.scitotenv.2017.04.017 1879-1026 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100003329 en Postprint http://dx.doi.org/10.1016/j.scitotenv.2017.04.017 NOV 15 2017 Sí open Elsevier |
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| topic |
Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration |
| spellingShingle |
Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration Domínguez-Moñino, Irene Díaz-Herraiz, Marta Jurado, Valme Laiz Trobajo, L. Miller, A. Z. Santos, Juan Luis Alonso, Esteban Sáiz-Jiménez, Cesáreo Nature and origin of the violet stains on the walls of a Roman tomb |
| description |
11 páginas.-- 5 figuras.-- 3 tablas.-- 55 referencias.-- Supplementary data to this article can be found online at http://dx.doi.org/10.1016/j.scitotenv.2017.04.017. |
| author2 |
Consejo Superior de Investigaciones Científicas (España) |
| author_facet |
Consejo Superior de Investigaciones Científicas (España) Domínguez-Moñino, Irene Díaz-Herraiz, Marta Jurado, Valme Laiz Trobajo, L. Miller, A. Z. Santos, Juan Luis Alonso, Esteban Sáiz-Jiménez, Cesáreo |
| format |
artículo |
| topic_facet |
Streptomyces Violet stains Cyanobacteria Granaticins Roman tomb Biodeterioration |
| author |
Domínguez-Moñino, Irene Díaz-Herraiz, Marta Jurado, Valme Laiz Trobajo, L. Miller, A. Z. Santos, Juan Luis Alonso, Esteban Sáiz-Jiménez, Cesáreo |
| author_sort |
Domínguez-Moñino, Irene |
| title |
Nature and origin of the violet stains on the walls of a Roman tomb |
| title_short |
Nature and origin of the violet stains on the walls of a Roman tomb |
| title_full |
Nature and origin of the violet stains on the walls of a Roman tomb |
| title_fullStr |
Nature and origin of the violet stains on the walls of a Roman tomb |
| title_full_unstemmed |
Nature and origin of the violet stains on the walls of a Roman tomb |
| title_sort |
nature and origin of the violet stains on the walls of a roman tomb |
| publisher |
Elsevier |
| publishDate |
2017-11 |
| url |
http://hdl.handle.net/10261/153311 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100003329 |
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