Physiological stress tolerance responses of the dung decomposer fungus Mucor circinelloides

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dc.contributor.authorAcheampong, Mavis Agyeiwaa
dc.contributor.authorPupin, Breno
dc.contributor.authorDias, Luciana Pereira Pinto
dc.contributor.authorSantos, Maiara P.
dc.contributor.authorBernardes, Luana Oliveira
dc.contributor.authorPinheiro, Michele Souza
dc.contributor.authorFerreira, Paulo Cesar
dc.contributor.authorMikaelyan, Aram
dc.contributor.authorMedina, Humberto Ramírez
dc.contributor.authorAlder-Rangel, Alene
dc.date.accessioned2026-02-06T17:49:22Z
dc.date.available2026-02-06T17:49:22Z
dc.date.issued22025
dc.description.abstractThe Mucor circinelloides complex, a group of dung-dwelling fungi, is essential for nutrient cycling and organic matter breakdown. Despite their ecological significance, variations in germination rates and stress tolerance among isolates are not well understood. This study examined four isolates—Cicarelli, Doc Beaver, Papulsa, and Zaina—to assess their germination on various media, including potato dextrose agar (PDA), Czapek (CZA), Sabouraud dextrose agar (SDA), Emerson (EM), and minimal media (MM). The results showed notable differ- ences in germination rates, with CZA and EM promoting the fastest growth. The study also analysed spor- angiospore tolerance to UV-B radiation and high temperatures (47 ◦C), with findings highlighting the role of growth media in stress resistance. Sporangiospores from Cicarelli, Doc Beaver, and Papulsa grown on PDA exhibited greater UV-B tolerance than those on CZA. Conversely, sporangiospores produced on CZA were more heat tolerant than those on PDA. The 12-h survival curve for the Zaina isolate reinforced these findings, showing similar trends in UV-B resilience and heat tolerance. This research demonstrates how growth media influence the environmental stress responses in M. circinelloides, providing insights into the adaptive potential of these fungi.
dc.description.physical8 p.
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.uriCNPq: 302282/2022–0 , 381372/2022 FAPESP: 2010/06374–1, 2013/ 50518–6, 2013/25964–2, 2014/13573–1 CAPES: 88881.942500/2024–01
dc.format.mimetypePDF
dc.identifier.affiliationUniversidade do Vale do Paraíba
dc.identifier.affiliationUniversity of Ghana
dc.identifier.affiliationInstituto Nacional de Pesquisa Espaciais
dc.identifier.affiliationUniversidade de São Paulo
dc.identifier.affiliationNorth Carolina State University
dc.identifier.affiliationInstituto Tecnológico Nacional do México
dc.identifier.affiliationUniversidade Federal de São Paulo
dc.identifier.affiliationInbioter Institute of Biotechnology Rangel
dc.identifier.bibliographicCitationACHEAMPONG, M. A. et al. Physiological stress tolerance responses of the dung decomposer fungus Mucor circinelloides. Fungal Biology, v. 129, n. 4, p. 1-8, 2025. Disponível em: 10.1016/j.funbio.2025.101575.
dc.identifier.doi10.1016/j.funbio.2025.101575
dc.identifier.urihttps://repositorio.univap.br/handle/123456789/1135
dc.language.isoen_US
dc.publisherElsevier
dc.rights.holderFungal Biology
dc.subject.keywordCoprophilous fungi
dc.subject.keywordDung decomposers
dc.subject.keywordGermination speed
dc.subject.keywordFungal physiology
dc.subject.keywordGrowth substrate
dc.subject.keywordHeat tolerance
dc.subject.keywordUV-B tolerance
dc.titlePhysiological stress tolerance responses of the dung decomposer fungus Mucor circinelloides
dc.typeArtigos de Periódicos

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