Research Article

Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments

Volume: 39 Number: 2 June 1, 2026
EN TR

Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments

Abstract

Historical manuscripts are invaluable cultural artifacts whose preservation is crucial for safeguarding human heritage. This study investigated fungal contamination in twenty-five deteriorated paper-based historical manuscripts from the Istanbul University Virtual Library. Samples were collected using both swab and membrane filter methods, and fungal isolates were cultivated on dichloran glycerol 18 agar and malt extract agar. Cellulase activity was screened among isolates, followed by morphological identification. A total of 199 fungal isolates were obtained, 93.46% of which were cellulolytic, and their enzymatic indices ranged from 1.16 to 4.00. Swab sampling yielded significantly higher colony counts than membrane filtration, although no significant difference was found between media. The most frequently encountered species were Penicillium chrysogenum and Aspergillus fumigatus. The findings emphasize the necessity of using complementary sampling techniques and culture media to assess microbial diversity and enzymatic activity in historical documents, thereby informing more effective conservation strategies.

Keywords

Supporting Institution

This study was funded by Istanbul University Scientific Research Project Coordination Unit (Project No: FYL-2020-37067).

Project Number

FYL-2020-37067

Thanks

The authors thank the Virtual Books Library of Istanbul University Library and Documentation and its staff for their assistance.

References

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Details

Primary Language

English

Subjects

Mycology

Journal Section

Research Article

Early Pub Date

April 24, 2026

Publication Date

June 1, 2026

Submission Date

November 12, 2025

Acceptance Date

March 26, 2026

Published in Issue

Year 2026 Volume: 39 Number: 2

APA
Mutlu, İ., & Kadaifçiler, D. (2026). Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments. Gazi University Journal of Science, 39(2), 997-1018. https://doi.org/10.35378/gujs.1822641
AMA
1.Mutlu İ, Kadaifçiler D. Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments. Gazi University Journal of Science. 2026;39(2):997-1018. doi:10.35378/gujs.1822641
Chicago
Mutlu, İrem, and Duygu Kadaifçiler. 2026. “Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments”. Gazi University Journal of Science 39 (2): 997-1018. https://doi.org/10.35378/gujs.1822641.
EndNote
Mutlu İ, Kadaifçiler D (June 1, 2026) Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments. Gazi University Journal of Science 39 2 997–1018.
IEEE
[1]İ. Mutlu and D. Kadaifçiler, “Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments”, Gazi University Journal of Science, vol. 39, no. 2, pp. 997–1018, June 2026, doi: 10.35378/gujs.1822641.
ISNAD
Mutlu, İrem - Kadaifçiler, Duygu. “Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments”. Gazi University Journal of Science 39/2 (June 1, 2026): 997-1018. https://doi.org/10.35378/gujs.1822641.
JAMA
1.Mutlu İ, Kadaifçiler D. Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments. Gazi University Journal of Science. 2026;39:997–1018.
MLA
Mutlu, İrem, and Duygu Kadaifçiler. “Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments”. Gazi University Journal of Science, vol. 39, no. 2, June 2026, pp. 997-1018, doi:10.35378/gujs.1822641.
Vancouver
1.İrem Mutlu, Duygu Kadaifçiler. Fungal Inhabitants of Deteriorated Historical Manuscripts at Istanbul University’s Virtual Library: Comparative Sampling and Media Assessments. Gazi University Journal of Science. 2026 Jun. 1;39(2):997-1018. doi:10.35378/gujs.1822641