Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations

Helotiales, a diverse fungal order within Leotiomycetes (Ascomycota), comprises over 6000 species occupying varied ecological niches, from plant pathogens to saprobes and symbionts. Despite their importance, their genetic adaptations to temperature and environmental conditions are understudied. This...

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Main Authors: Daniel Vasconcelos Rissi, Maham Ijaz, Christiane Baschien
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Journal of Fungi
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Online Access:https://www.mdpi.com/2309-608X/10/12/869
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author Daniel Vasconcelos Rissi
Maham Ijaz
Christiane Baschien
author_facet Daniel Vasconcelos Rissi
Maham Ijaz
Christiane Baschien
author_sort Daniel Vasconcelos Rissi
collection DOAJ
description Helotiales, a diverse fungal order within Leotiomycetes (Ascomycota), comprises over 6000 species occupying varied ecological niches, from plant pathogens to saprobes and symbionts. Despite their importance, their genetic adaptations to temperature and environmental conditions are understudied. This study investigates temperature adaptations in infection genes and substrate degradation genes through a comparative genomics analysis of 129 Helotiales species, using the newly sequenced genomes of <i>Gyoerffyella rotula</i> and <i>Anguillospora crassa</i>. Key gene families such as cytochrome P450 enzymes, virulence factors, effector proteins, and carbohydrate-active enzymes (CAZymes) were analyzed to understand their roles in temperature and lifestyle adaptations, uncovering possible alternative lifestyle mechanisms. Our findings reveal that Helotiales fungi possess genes associated with nutrient acquisition, pathogenicity, and symbiotic relationships strongly adapted to cold environments that might be impacted by global warming. On the other hand, some species demonstrate potential for adaptation to warmer climates, suggesting increased activity in response to global warming. This study reveals the adaptive mechanisms enabling Helotiales fungi to thrive in both cold and warm environments. These findings provide valuable insights into their ecological success and evolutionary resilience, which may facilitate their ability to transition between pathogenic, symbiotic, and saprobic phases in response to changing environmental conditions.
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spelling doaj-art-e4f78533be7b4cc08a6b25a5dfe9c2292025-08-20T02:56:48ZengMDPI AGJournal of Fungi2309-608X2024-12-01101286910.3390/jof10120869Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem AdaptationsDaniel Vasconcelos Rissi0Maham Ijaz1Christiane Baschien2Leibniz Institute DSMZ, German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, GermanyLeibniz Institute DSMZ, German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, GermanyLeibniz Institute DSMZ, German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, GermanyHelotiales, a diverse fungal order within Leotiomycetes (Ascomycota), comprises over 6000 species occupying varied ecological niches, from plant pathogens to saprobes and symbionts. Despite their importance, their genetic adaptations to temperature and environmental conditions are understudied. This study investigates temperature adaptations in infection genes and substrate degradation genes through a comparative genomics analysis of 129 Helotiales species, using the newly sequenced genomes of <i>Gyoerffyella rotula</i> and <i>Anguillospora crassa</i>. Key gene families such as cytochrome P450 enzymes, virulence factors, effector proteins, and carbohydrate-active enzymes (CAZymes) were analyzed to understand their roles in temperature and lifestyle adaptations, uncovering possible alternative lifestyle mechanisms. Our findings reveal that Helotiales fungi possess genes associated with nutrient acquisition, pathogenicity, and symbiotic relationships strongly adapted to cold environments that might be impacted by global warming. On the other hand, some species demonstrate potential for adaptation to warmer climates, suggesting increased activity in response to global warming. This study reveals the adaptive mechanisms enabling Helotiales fungi to thrive in both cold and warm environments. These findings provide valuable insights into their ecological success and evolutionary resilience, which may facilitate their ability to transition between pathogenic, symbiotic, and saprobic phases in response to changing environmental conditions.https://www.mdpi.com/2309-608X/10/12/869Helotialestemperature adaptationfungal lifestylesgenomic adaptations
spellingShingle Daniel Vasconcelos Rissi
Maham Ijaz
Christiane Baschien
Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
Journal of Fungi
Helotiales
temperature adaptation
fungal lifestyles
genomic adaptations
title Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
title_full Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
title_fullStr Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
title_full_unstemmed Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
title_short Comparative Genomics of Different Lifestyle Fungi in Helotiales (Leotiomycetes) Reveals Temperature and Ecosystem Adaptations
title_sort comparative genomics of different lifestyle fungi in helotiales leotiomycetes reveals temperature and ecosystem adaptations
topic Helotiales
temperature adaptation
fungal lifestyles
genomic adaptations
url https://www.mdpi.com/2309-608X/10/12/869
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AT mahamijaz comparativegenomicsofdifferentlifestylefungiinhelotialesleotiomycetesrevealstemperatureandecosystemadaptations
AT christianebaschien comparativegenomicsofdifferentlifestylefungiinhelotialesleotiomycetesrevealstemperatureandecosystemadaptations