Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica

We studied the physicochemical characteristics and mycobiota associated to five key historic documents from Costa Rica, including the Independence Act of Costa Rica from 1821. We used nondestructive techniques (i.e., ATR-FTIR and XRF) to determine paper and ink composition. Results show that some do...

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Main Authors: Efraín Escudero-Leyva, Sofía Vieto, Roberto Avendaño, Diego Rojas-Gätjens, Paola Agüero, Carlos Pacheco, Mavis L. Montero, Priscila Chaverri, Max Chavarría
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9847896/?tool=EBI
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author Efraín Escudero-Leyva
Sofía Vieto
Roberto Avendaño
Diego Rojas-Gätjens
Paola Agüero
Carlos Pacheco
Mavis L. Montero
Priscila Chaverri
Max Chavarría
author_facet Efraín Escudero-Leyva
Sofía Vieto
Roberto Avendaño
Diego Rojas-Gätjens
Paola Agüero
Carlos Pacheco
Mavis L. Montero
Priscila Chaverri
Max Chavarría
author_sort Efraín Escudero-Leyva
collection DOAJ
description We studied the physicochemical characteristics and mycobiota associated to five key historic documents from Costa Rica, including the Independence Act of Costa Rica from 1821. We used nondestructive techniques (i.e., ATR-FTIR and XRF) to determine paper and ink composition. Results show that some documents are composed of cotton-based paper, whereas others were made of wood cellulose with an increased lignin content. We also determined that the ink employed in some of the documents is ferrogallic. Cultivation and molecular techniques were used to characterize the fungi inhabiting the documents. In total, 22 fungal isolates were obtained: 15 from the wood-cellulose-based documents and seven from the other three cotton-based. We also tested the cellulolytic activity of the recovered fungi; 95% of the fungi presented cellulolytic activity correlated to their ability to cause deterioration of the paper. Results suggest that cotton-based paper is the most resistant to fungal colonization and that most of the isolates have cellulolytic activity. This work increases the knowledge of the fungal diversity that inhabits historic documents and its relationship with paper composition and provides valuable information to develop strategies to conserve and restore these invaluable documents.
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spelling doaj.art-cbdae7d999b9421dac4c7eee1e04d07b2023-01-25T05:34:03ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-01181Fungi with history: Unveiling the mycobiota of historic documents of Costa RicaEfraín Escudero-LeyvaSofía VietoRoberto AvendañoDiego Rojas-GätjensPaola AgüeroCarlos PachecoMavis L. MonteroPriscila ChaverriMax ChavarríaWe studied the physicochemical characteristics and mycobiota associated to five key historic documents from Costa Rica, including the Independence Act of Costa Rica from 1821. We used nondestructive techniques (i.e., ATR-FTIR and XRF) to determine paper and ink composition. Results show that some documents are composed of cotton-based paper, whereas others were made of wood cellulose with an increased lignin content. We also determined that the ink employed in some of the documents is ferrogallic. Cultivation and molecular techniques were used to characterize the fungi inhabiting the documents. In total, 22 fungal isolates were obtained: 15 from the wood-cellulose-based documents and seven from the other three cotton-based. We also tested the cellulolytic activity of the recovered fungi; 95% of the fungi presented cellulolytic activity correlated to their ability to cause deterioration of the paper. Results suggest that cotton-based paper is the most resistant to fungal colonization and that most of the isolates have cellulolytic activity. This work increases the knowledge of the fungal diversity that inhabits historic documents and its relationship with paper composition and provides valuable information to develop strategies to conserve and restore these invaluable documents.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9847896/?tool=EBI
spellingShingle Efraín Escudero-Leyva
Sofía Vieto
Roberto Avendaño
Diego Rojas-Gätjens
Paola Agüero
Carlos Pacheco
Mavis L. Montero
Priscila Chaverri
Max Chavarría
Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
PLoS ONE
title Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
title_full Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
title_fullStr Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
title_full_unstemmed Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
title_short Fungi with history: Unveiling the mycobiota of historic documents of Costa Rica
title_sort fungi with history unveiling the mycobiota of historic documents of costa rica
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9847896/?tool=EBI
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