Fungal EcologyPub Date : 2024-11-30DOI: 10.1016/j.funeco.2024.101398
Megan Korne , Janette L. Jacobs , Sophie Gabrysiak , Martin I. Chilvers , Gregory Bonito
{"title":"Michigan winter wheat (Triticum aestivum L.) roots host communities of Mortierellaceae and endohyphal bacteria","authors":"Megan Korne , Janette L. Jacobs , Sophie Gabrysiak , Martin I. Chilvers , Gregory Bonito","doi":"10.1016/j.funeco.2024.101398","DOIUrl":"10.1016/j.funeco.2024.101398","url":null,"abstract":"<div><div>Mortierellaceae are ecologically and economically important fungi implicated in soil health. However, the diversity and frequency of Mortierellaceae and their endobacteria in crop root systems is unclear. Roots of winter wheat were sampled using a randomized complete block design. Mortierellaceae were isolated, identified using ITS-LSU phylogenetic analysis, and 16S rDNA was screened for <em>Burkholderia</em>-related endobacteria (BRE) and Mollicutes-related endobacteria (MRE). A total of 102 root-associated Mortierellaceae were isolated from 217 wheat root samples. <em>Linnemannia</em> comprised 89% of isolates. BRE were detected in 12 isolates, while MRE were detected in only one isolate. Mortierellaceae frequency varied by cultivar and a weak trend towards cultivar specificity was observed. Together, these findings advance our understanding of BRE and MRE prevalence in fungi in agricultural soils. Further studies will be needed to determine how plant hosts recruit Mortierellaceae partners and factors that drive plant-Mortierellaceae interactions.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"73 ","pages":"Article 101398"},"PeriodicalIF":1.9,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-11-27DOI: 10.1016/j.funeco.2024.101397
Mikaeylah J. Davidson, Tiffany A. Kosch, Amy Aquilina, Rebecca J. Webb, Lee F. Skerratt, Lee Berger
{"title":"Influence of Batrachochytrium dendrobatidis isolate and dose on infection outcomes in a critically endangered Australian amphibian","authors":"Mikaeylah J. Davidson, Tiffany A. Kosch, Amy Aquilina, Rebecca J. Webb, Lee F. Skerratt, Lee Berger","doi":"10.1016/j.funeco.2024.101397","DOIUrl":"10.1016/j.funeco.2024.101397","url":null,"abstract":"<div><div>The amphibian chytrid fungus (<em>Batrachochytrium dendrobatidis</em> (<em>Bd</em>)) is a continuing threat globally, causing widespread declines. Corroboree frogs (<em>Pseudophryne corroboree</em>) are critically endangered and no longer have self-sustaining populations in the wild due to the presence of <em>Bd</em> in the environment. We aimed to investigate variation in susceptibility to <em>Bd</em> in juvenile <em>P. corroboree</em> and evaluate the impact of <em>Bd</em> isolate and dose on infection outcomes. We experimentally exposed juvenile <em>P. corroboree</em> to two <em>Bd</em> isolates at five doses, and also characterised the <em>in vitro</em> growth of these isolates. Frogs showed high susceptibility to <em>Bd</em>, with isolate and dose impacting survival time and infection loads. Additionally, differences in the <em>in vitro</em> phenotype of the two <em>Bd</em> isolates were linked to their differential virulence. This study highlights the considerable impact that fungal isolate and dose have in shaping disease outcomes in experimental exposures.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"73 ","pages":"Article 101397"},"PeriodicalIF":1.9,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-11-01DOI: 10.1016/j.funeco.2024.101396
Jonathan A. Cale , Ezra Culberson , Amity Dixon-Traer , Beatriz de Camargo Faria
{"title":"Bidirectional interactions between Grosmannia abietina and hybrid white spruce: Pathogenicity, monoterpene defense responses, and fungal growth and reproduction","authors":"Jonathan A. Cale , Ezra Culberson , Amity Dixon-Traer , Beatriz de Camargo Faria","doi":"10.1016/j.funeco.2024.101396","DOIUrl":"10.1016/j.funeco.2024.101396","url":null,"abstract":"<div><div>Bark beetle-vectored phytopathogenic fungi can play critical roles in how beetle outbreaks affect the health of forest trees. However, trees can defend themselves against fungal infection. How <em>Grosmannia abietina</em>, a symbiotic fungus of spruce beetle (<em>Dendroctonus rufipennis</em>), affects the health of mature hybrid white spruce (<em>Picea engelmannii</em> x <em>glauca</em>) and is in turn affected by the tree's defenses are unknown. We conducted field inoculations of this spruce to study the degree of pathogenicity of <em>G. abietina</em>, characterized the trees' resulting defensive monoterpene responses, and assessed monoterpene effects on fungal growth and reproduction in laboratory bioassays. Our results indicated that <em>G. abietina</em> is phytopathogenic to hybrid white spruce, which induced monoterpenes in response to infection. Dominant induced monoterpenes generally inhibited fungal growth but stimulated spore production. These findings provide insights into the bidirectional effects between spruce beetle-vectored fungi and host trees, highlighting the complex role of monoterpenes in modulating fungal activities.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"73 ","pages":"Article 101396"},"PeriodicalIF":1.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-10-07DOI: 10.1016/j.funeco.2024.101388
Claudia Bashian-Victoroff , Ruth D. Yanai , Thomas R. Horton , Louis J. Lamit
{"title":"Nitrogen and phosphorus additions affect fruiting of ectomycorrhizal fungi in a temperate hardwood forest","authors":"Claudia Bashian-Victoroff , Ruth D. Yanai , Thomas R. Horton , Louis J. Lamit","doi":"10.1016/j.funeco.2024.101388","DOIUrl":"10.1016/j.funeco.2024.101388","url":null,"abstract":"<div><div>The functioning of mycorrhizal symbioses is tied to soil nutrient status, suggesting that nutrient availability should influence the reproduction of mycorrhizal fungi. To quantify the effects of nitrogen (N) and phosphorus (P) availability on ectomycorrhizal fungal fruiting, we collected >4000 epigeous sporocarps representing 19 families during the course of a season in a full factorial NxP addition experiment in six replicate forest stands. Nutrient effects on fruiting shifted as the season progressed, with early fruiting species responding more to P and late-fruiting species responding more to N. The composition of species fruiting in young successional forests differed more with nutrient addition than in mature forests. Sporocarp abundance and species richness were suppressed by N addition. This work shows that N and P availability affect ectomycorrhizal fungal fruiting, with these effects taking place within a context defined by stand age and the progression of fruiting across the season.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"73 ","pages":"Article 101388"},"PeriodicalIF":1.9,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142425464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-09-27DOI: 10.1016/j.funeco.2024.101386
Ai-Ling Yang , Yi-Shan Chen , Liang Mei , Jing Guo , Han-Bo Zhang
{"title":"Disease risk of the foliar endophyte Colletotrichum from invasive Ageratina adenophora to native plants and crops","authors":"Ai-Ling Yang , Yi-Shan Chen , Liang Mei , Jing Guo , Han-Bo Zhang","doi":"10.1016/j.funeco.2024.101386","DOIUrl":"10.1016/j.funeco.2024.101386","url":null,"abstract":"<div><div>The disease risk driven by foliar fungi asymptomatically infecting invasive plants has rarely been determined. In this study, we selected 44 foliar <em>Colletotrichum</em> endophytes isolated from the invasive plant <em>Ageratina adenophora</em> that are phylogenetically closely related to the <em>C. gloeosporioides</em> complex, <em>C. boninense</em> complex, <em>C. orchidearum</em> complex, and <em>C. acutatum</em> complex and evaluated their potential virulence and ability to transmit spores to native plants and cash crops both <em>in vitro</em> and <em>in vivo</em>. We verified that some foliar endophyte <em>Colletotrichum</em> strains adversely affect the leaf and seed germination of native plants and cash crops. Some strains reduce the growth and yield of tomato (SL) (<em>Solanum lycopersicum</em>) and pepper (CA) (<em>Capsicum annuum</em>) plants and even cause the death of strawberry (FA) plants (<em>Fragaria ananassa</em>). Moreover, we confirmed that <em>A. adenophora</em> leaves could horizontally transmit <em>Colletotrichum</em> to surrounding crop plants <em>in vivo</em>. Therefore, a high abundance of <em>Colletotrichum</em> asymptomatically associated with <em>A. adenophora</em> leaves might increase disease risk in surrounding native plants and cash crops. Our results provide a new perspective for regional ecological risk assessment of invasive plants and prevention of economic plant diseases in the invaded range.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101386"},"PeriodicalIF":1.9,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142328198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-09-27DOI: 10.1016/j.funeco.2024.101385
G. Attrill , L. Boddy , E. Dudley , B. Greenfield , D.C. Eastwood
{"title":"Transcriptomic and protein analysis of Trametes versicolor interacting with a Hypholoma fasciculare mycelium foraging in soil","authors":"G. Attrill , L. Boddy , E. Dudley , B. Greenfield , D.C. Eastwood","doi":"10.1016/j.funeco.2024.101385","DOIUrl":"10.1016/j.funeco.2024.101385","url":null,"abstract":"<div><div>The decomposition of large woody material is an important process in forest carbon cycling and nutrient release. Cord-forming saprotrophic basidiomycete fungi create non-resource limited mycelial networks between decomposing branches, logs and tree stumps on the forest floor where colonisation of new resources is often associated with the replacement of incumbent decay communities. To date, antagonism experiments have mostly placed competing fungi in direct contact, while in nature cord-forming saprobes encounter colonised wood as mycelia in a network. Transcriptomic and peptide analyses were conducted on soil-based microcosms were foraging cord-forming <em>Hypholoma fasciculare</em> encountered a wood block colonised by <em>Trametes versicolor</em>. Protein turnover featured strongly for both species and genes putatively involved in secondary metabolite production were identified. <em>H. fasciculare</em> demonstrated an exploitative profile with increased transcription of genes associated with carbohydrate metabolism and RNA and ribosome processing. <em>T. versicolor</em> showed a shift in signalling, energy generation and amino acid metabolism. By identifying genes and proteins putatively involved in this fungal interaction, this work may help guide the discovery of bioactive molecules and mechanisms underpinning community succession.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101385"},"PeriodicalIF":1.9,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142328197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Spatial resource arrangement influences both network structures and activity of fungal mycelia: A form of pattern recognition?","authors":"Yu Fukasawa , Kosuke Hamano , Koji Kaga , Daisuke Akai , Takayuki Takehi","doi":"10.1016/j.funeco.2024.101387","DOIUrl":"10.1016/j.funeco.2024.101387","url":null,"abstract":"<div><p>The present study investigated the behavior and wood decay ability of mycelial network of <em>Phanerochaete velutina</em>, a cord-forming fungus, on multiple wood blocks. We placed well-colonized wood blocks in two spatial arrangements (Circle and Cross) on a soil plate and compared the development of the mycelial network and wood decay over 116 days. In the Circle arrangement, the degree of connection (number of connected cords) of the blocks ranged from 0 to 8, with no significant differences observed across positions. However, in the Cross arrangement, the outer blocks exhibited a greater degree of connection than the inner blocks. The mass loss of the wood block was positively associated with the degree of connection and was significantly smaller in the Cross than in the Circle arrangement. These findings suggest that fungal mycelium can “recognize” the difference in the spatial arrangement of wood blocks as part of their wood decay activity.</p></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101387"},"PeriodicalIF":1.9,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1754504824000588/pdfft?md5=08525855ab040106b04e401f0b5bee62&pid=1-s2.0-S1754504824000588-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142172094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Habitat loss, extinction debt and climate change threaten terricolous lichens in lowland open dry habitats","authors":"Gabriele Gheza , Zeno Porro , Matteo Barcella , Silvia Assini , Juri Nascimbene","doi":"10.1016/j.funeco.2024.101384","DOIUrl":"10.1016/j.funeco.2024.101384","url":null,"abstract":"<div><p>Habitat loss is the main driver of biodiversity decline worldwide. An immediate consequence can be extinction debt, i.e. time-delayed extinction of species following habitat loss. We tested extinction debt in terricolous lichen communities in 45 patches of lowland open dry habitats in the western Po Plain (northern Italy) considering richness of four species groups: total, red-listed, rare, and common species. The distance from the currently nearest patch and the annual precipitation correlated – negatively and positively, respectively – with all the groups. Total, red-listed, and rare species were positively related to the oldest available patch extent (1954). Common species were positively related to the current (2020) patch extent. Total and red-listed species were negatively related to the extent difference (1954–2020). Results reveal an extinction debt which has not yet been completely paid and that could be exacerbated by climate change. To counteract this trend, management should conserve habitat patches with the highest species richness, improve connectivity between habitat patches, and provide suitable microrefugia for species with different ecological requirements.</p></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101384"},"PeriodicalIF":1.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1754504824000552/pdfft?md5=4f2b62e848fcd1e7157cab188c47375c&pid=1-s2.0-S1754504824000552-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142151512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-08-29DOI: 10.1016/j.funeco.2024.101383
Clifton P. Bueno de Mesquita , Lara Vimercati , Dongying Wu , Mary K. Childress , August Danz , Arthur C. Grupe , Danny Haelewaters , Natalie M. Hyde , Thiago Kossmann , Charles Oliver , Candice Perrotta , Benjamin D. Young , Steven K. Schmidt , Susannah G. Tringe , C. Alisha Quandt
{"title":"Fungal diversity and function in metagenomes sequenced from extreme environments","authors":"Clifton P. Bueno de Mesquita , Lara Vimercati , Dongying Wu , Mary K. Childress , August Danz , Arthur C. Grupe , Danny Haelewaters , Natalie M. Hyde , Thiago Kossmann , Charles Oliver , Candice Perrotta , Benjamin D. Young , Steven K. Schmidt , Susannah G. Tringe , C. Alisha Quandt","doi":"10.1016/j.funeco.2024.101383","DOIUrl":"10.1016/j.funeco.2024.101383","url":null,"abstract":"<div><p>Fungi are increasingly recognized as key players in various extreme environments. Here we present an analysis of publicly-sourced metagenomes from global extreme environments, focusing on fungal taxonomy and function. The majority of 855 selected metagenomes contained scaffolds assigned to fungi. Relative abundance of fungi was as high as 10% of protein-coding genes with taxonomic annotation, with up to 289 fungal genera per sample. Despite taxonomic clustering by environment, fungal communities were more dissimilar than archaeal and bacterial communities, both for within- and between-environment comparisons. Relatively abundant fungal classes in extreme environments included Dothideomycetes, Eurotiomycetes, Leotiomycetes, Pezizomycetes, Saccharomycetes, and Sordariomycetes. Broad generalists and prolific aerial spore formers were the most relatively abundant fungal genera detected in most of the extreme environments, bringing up the question of whether they are actively growing in those environments or just surviving as spores. More specialized fungi were common in some environments, such as zoosporic taxa in cryosphere water and hot springs. Relative abundances of genes involved in adaptation to general, thermal, oxidative, and osmotic stress were greatest in soda lake, acid mine drainage, and cryosphere water samples.</p></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101383"},"PeriodicalIF":1.9,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1754504824000540/pdfft?md5=b602e42e38bc48331ff769e567a1ecc1&pid=1-s2.0-S1754504824000540-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142098208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fungal EcologyPub Date : 2024-08-16DOI: 10.1016/j.funeco.2024.101375
Mattias Edman , Anna-Maria Eriksson , Fredrik Carlsson , Tomas Rydkvist
{"title":"Veteranising Scots pine trees by initiating tree hollowing: Inoculation with the fungal keystone species Porodaedalia pini","authors":"Mattias Edman , Anna-Maria Eriksson , Fredrik Carlsson , Tomas Rydkvist","doi":"10.1016/j.funeco.2024.101375","DOIUrl":"10.1016/j.funeco.2024.101375","url":null,"abstract":"<div><p>Hollow trees are crucial for forest biodiversity but are becoming increasingly rare in many ecosystems, including the Scots pine forests of northern Europe. Here, we inoculated heartwood of live Scots pine trees with the fungal keystone species <em>Porodaedalia pini</em> to initiate tree hollowing. The fungus was inoculated in 50-, 110- and 170-year old stands, using wood dowels containing mycelia. Three different strains were used to test for intraspecific variation. Molecular analysis of samples from inoculated trees seven years after treatment showed that 67% were successfully colonised, with no differences between stands. Fungal strain had no effect on colonisation success. Our findings suggest that inoculation with <em>P. pini</em> has the potential to be an efficient method to restore a key ecological process, tree hollowing, in degraded Scots pine forests. The possibility of initiating the process even in young trees may be a way to accelerate the formation of hollow pines in younger forests.</p></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"72 ","pages":"Article 101375"},"PeriodicalIF":1.9,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1754504824000461/pdfft?md5=f8d6f2a79178ca30e86267ee49992fac&pid=1-s2.0-S1754504824000461-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141992617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}