Two new cellulolytic fungal species isolated from a 19th -century art collection

Scientific Reports
Carolina Coronado-RuizMax Chavarría

Abstract

The archive of the Universidad de Costa Rica maintains a nineteenth-century French collection of drawings and lithographs in which the biodeterioration by fungi is rampant. Because of nutritional conditions in which these fungi grew, we suspected that they possessed an ability to degrade cellulose. In this work our goal was to isolate and identify the fungal species responsible for the biodegradation of a nineteenth-century art collection and determine their cellulolytic activity. Fungi were isolated using potato-dextrose-agar (PDA) and water-agar with carboxymethyl cellulose (CMC). The identification of the fungi was assessed through DNA sequencing (nrDNA ITS and α-actin regions) complemented with morphological analyses. Assays for cellulolytic activity were conducted with Gram's iodine as dye. Nineteen isolates were obtained, of which seventeen were identified through DNA sequencing to species level, belonging mainly to genera Arthrinium, Aspergillus, Chaetomium, Cladosporium, Colletotrichum, Penicillium and Trichoderma. For two samples that could not be identified through their ITS and α-actin sequences, a morphological analysis was conducted; they were identified as new species, named Periconia epilithographicola sp. nov. a...Continue Reading

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Citations

Dec 10, 2019·Critical Reviews in Microbiology·Ana Catarina PinheiroMaria Filomena Macedo
Jan 8, 2020·Current Protocols in Microbiology·Maripaz Montero-VargasPriscila Chaverri
Jun 26, 2020·Journal of Animal Science and Biotechnology·Tansol ParkZhongtang Yu
Dec 24, 2021·Archives of Microbiology·G A HelalRofaida S Abd Elkader

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Datasets Mentioned

BETA
EU570272.1
AM920435.1
MB825093
MF422162
MF422179
MB825094
MF422164
MF422181

Methods Mentioned

BETA
PCR
Assay

Software Mentioned

ImageJ
ToupView
MEGA
BLAST

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