MycologiaPub Date : 2025-05-01Epub Date: 2025-03-31DOI: 10.1080/00275514.2025.2476936
Qing Cai, Shan He, Guang-Mei Li, Xue-Ping Fan, Yan-Chun Li, Zhu L Yang
{"title":"The genus <i>Artomyces</i> (Auriscalpiaceae, Basidiomycota) from the Gaoligong Mountains and adjacent areas, southwestern China.","authors":"Qing Cai, Shan He, Guang-Mei Li, Xue-Ping Fan, Yan-Chun Li, Zhu L Yang","doi":"10.1080/00275514.2025.2476936","DOIUrl":"10.1080/00275514.2025.2476936","url":null,"abstract":"<p><p>Three new species of <i>Artomyces</i> from the Gaoligong Mountains and adjacent areas of southwestern China, namely, <i>A. brunneoalbus, A. hirtipes</i>, and <i>A. pteruloides</i>, are described based on morphological characteristics, molecular phylogenetic evidence, and ecological traits. Two other species described recently, <i>A. niveus</i> and <i>A. yunnanensis</i>, have also been identified in the same area. In addition, the occurrence of <i>A. pyxidatus</i> in southwestern China and North Macedonia was confirmed. Our study indicated that the species diversity of <i>Artomyces</i> is relatively high in East Asia. To date, seven species of <i>Artomyces</i> have been reported from the region, including the aforementioned species and <i>A. microsporus</i>. Given the diversity of forest ecosystems, from tropical to temperate areas in China, additional species of the genus could be revealed in the future.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"516-531"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143753527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-10DOI: 10.1080/00275514.2025.2460002
Priscila Chaverri, Natasha Goldson, Megan K Romberg, Abolfazl Dadkhahtehrani, Lisa A Castlebury
{"title":"A new species of <i>Entyloma</i> (Entylomatales, Exobasidiomycetes) on the ornamental plant <i>Eryngium planum</i> expands the <i>En. eryngii</i> species complex.","authors":"Priscila Chaverri, Natasha Goldson, Megan K Romberg, Abolfazl Dadkhahtehrani, Lisa A Castlebury","doi":"10.1080/00275514.2025.2460002","DOIUrl":"10.1080/00275514.2025.2460002","url":null,"abstract":"<p><p>The plant genus <i>Eryngium</i> (Apiaceae) includes various species used as condiments, ornamentals in gardens, or as elements in floral arrangements. In recent years, there has been a surge in interceptions from South America at U.S. ports of entry, leading to the subsequent destruction of these plants due to the presence of an unidentified species of <i>Entyloma</i> (Entylomatales, Exobasidiomycetes). The combination of morphology, host, and geographic origin did not align with any reported species on <i>Eryngium</i>. This study aimed to identify and characterize this unknown <i>Entyloma</i> sp. ascertain its phylogenetic relationship with other <i>Entyloma</i> species, and verify the identity of the host plant. Morphological and phylogenetic (nuc rDNA internal transcribed spacer [ITS] regions) analyses were performed, in context with available sequences and species of <i>Entyloma</i>. Nuc rDNA ITS was also used to attempt the identification of the host. Findings reveal that the unidentified <i>Entyloma</i> sp. forms a distinct and well-supported clade separate from other species on <i>Eryngium</i>. Its closest relatives include <i>En. carmeli, En. eryngii, En. eryngii-cretici, En. eryngii-plani, En. lagoeciae</i>, and <i>En. scandicis</i>. Morphologically, it resembles <i>En. argentinense, En. eryngii-alpini, En. eryngii-cretici, En. eryngii-maritimi</i>, and <i>En. eryngii-plani</i>; however, a combination of host affiliation, geography, and morphology distinguishes the new <i>Entyloma</i> sp. from these five species. Therefore, the new species <i>Entyloma meridionale</i> is described herein. The host plant was confirmed as <i>Eryngium planum</i>. This research increases knowledge of <i>Entyloma</i> diversity and contributes to understanding the dynamics of pathogen movement and potential invasion into new territories.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"435-444"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143597268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-27DOI: 10.1080/00275514.2025.2470793
Min Shi, Yan-Zhong Li
{"title":"Identification and fungicide sensitivity of <i>Brunneomyces pennisetum</i>, a new species causing wilt disease of <i>Pennisetum purpureum × P. americanum</i> in southern China.","authors":"Min Shi, Yan-Zhong Li","doi":"10.1080/00275514.2025.2470793","DOIUrl":"10.1080/00275514.2025.2470793","url":null,"abstract":"<p><p><i>Pennisetum purpureum</i> × <i>P. americanum</i> is an important forage in southwest China. In recent years, a considerable number of wilting plants have occurred in forage-growing regions located in Yunnan Province. The typical symptoms were that the surface of the wilted stems turned brown with a covering of white powder. Six isolates were identified as a new <i>Brunneomyces</i> species based on morphological characteristics and combined phylogenetic analysis of partial 28S nuc rDNA region (28S), internal transcribed spacer (ITS), translation elongation factor 1-alpha (<i>TEF1-α</i>), and the RNA polymerase II second largest subunit (<i>RPB2</i>) sequence data. The Koch's postulates test confirmed <i>Brunneomyces pennisetum</i>, sp. nov. as a pathogen causing wilt disease in <i>Pennisetum purpureum</i> × <i>P. americanum</i>. The colony diameter of <i>B. pennisetum</i>, sp. nov. exhibited different sensitivity to the six fungicides. Carbendazol (50%) was demonstrated to be the most effective in slowing the growth rate of the pathogen. The pathogen exhibited a higher growth rate at pH 7.0 but could not grow when the pH was greater than 9. The pathogen growth peaked at 25 C, but it could not grow at 5, 10, and 35 C.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"445-462"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143720566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-20DOI: 10.1080/00275514.2025.2452307
Aditya, Neeraj, J N Bhatia, R S Jarial, K Jarial
{"title":"Cultivation technology optimization and identification of secondary metabolites from elm oyster mushroom <i>Hypsizygus ulmarius</i> (Bull.) Redhead (Agaricomycetes) through GC-MS metabolomic profiling from India.","authors":"Aditya, Neeraj, J N Bhatia, R S Jarial, K Jarial","doi":"10.1080/00275514.2025.2452307","DOIUrl":"10.1080/00275514.2025.2452307","url":null,"abstract":"<p><p><i>Hypsizygus ulmarius</i>, a novel oyster mushroom species, offers potential scope due to its low-cost production, high biological efficiency, and notable nutritional, medicinal, and therapeutic properties. The present study standardized commercial cultivation technology for <i>H. ulmarius</i> in the Trans-Gangetic Plains of India. The mycelium grew well on potato dextrose agar and carrot extract broth at pH 8.0 and temperature 25 C. Wheat straw supplemented with the cotton seed hull at the rate of 10.0% dose, spawned with pearl millet grain spawn at the rate of 5.0% spawn dose, gave the highest mushroom yield (953.66 g/0.4 kg dry substrate) with biological efficiency (238.41%). The first flush sporocarps were freeze-dried for physicochemical characterization, revealing 16 strong peaks and 8 functional groups via Fourier transform infrared (FTIR) analysis. Particle size averaged 45.97 µm of mushroom powder, and scanning electron microscopy (SEM) analysis showed diverse surface textures. Gas chromatography-mass spectrometry metabolic profiling identified 20 key secondary metabolites each from hexane and methanolic extracts, with therapeutic uses that are valuable for pharmaceutical, nutraceutical, and food industry applications.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"347-373"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143663471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-24DOI: 10.1080/00275514.2025.2465094
Surat Un Nisa, Kerry O'Donnell, Hussain Badshah, Sayed Afzal Shah, Abdul Samad Mumtaz
{"title":"Genetic diversity of true morels (<i>Morchella</i>) in Pakistan inferred from multilocus DNA sequence data augmented by a retrospective analysis of Pakistani and Indian morel sequences in GenBank.","authors":"Surat Un Nisa, Kerry O'Donnell, Hussain Badshah, Sayed Afzal Shah, Abdul Samad Mumtaz","doi":"10.1080/00275514.2025.2465094","DOIUrl":"10.1080/00275514.2025.2465094","url":null,"abstract":"<p><p>The current study was conducted to obtain the first detailed assessment of true morel (<i>Morchella</i>) species diversity in Pakistan. A collection of 179 morels was obtained by conducting field surveys in 13 districts during spring and autumn of 2014 through 2020. Species were identified phylogenetically by analyzing portions of two (<i>RPB1, RPB2</i>) or four (<i>RPB1, RPB2, TEF1</i>, ITS rDNA) marker loci together with authentic reference sequences of known species and by conducting BLASTn queries of National Center for Biotechnology Information (NCBI) GenBank. A retrospective analysis of morel sequences from Pakistani (N = 52) and Indian (N = 69) collections accessioned in GenBank was also conducted to expand and compare our knowledge of <i>Morchella</i> species diversity in both countries. Analyses of our 179-morel collection and the 52 Pakistani sequences deposited in GenBank indicated that at least 20 species are present in Pakistan, including five putatively novel taxa within the Elata subclade here informally distinguished as <i>Morchella</i> spp. (<i>Mel</i>-43 to <i>Mel</i>-47). Phylospecies <i>Mel</i>-45 and <i>Mel</i>-46 were described formally as <i>M. pycnogranulata</i> and <i>M. waziristanica</i>, respectively. By comparison, analyses of the 69 Indian sequences deposited in GenBank indicated that at least 12 species are extant in India. However, only 4/9 Pakistani and 3/12 Indian species were correctly identified in GenBank. Two collections of the steppe morel, <i>M. steppicola</i> (<i>Mes</i>-1), from Afghanistan were also included in the present study, which extends the southeasternmost range of this morphologically distinct species.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"418-434"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-10DOI: 10.1080/00275514.2025.2460237
Alfredo Justo, Ekaterina Malysheva, Tatiana Bulyonkova, Guillermo Muñoz, Giuliano Ferisin, Francesco Dovana, Oğuzhan Kaygusuz, Irja Saar, Vladimír Antonín, Else C Vellinga, Renée Lebeuf, Andrew M Minnis, Django Grootmyers, Jacob Kalichman, Andrew D Parker, Danny Miller, Stephen D Russell, Mary L Berbee, Sophie Hoye Pacholek, Oldriska Ceska, C K Pradeep, V Keerthi, Hana Ševčíková
{"title":"The <i>Pluteus leoninus</i> clade in the Holarctic region: existing names evaluated and seven new species described.","authors":"Alfredo Justo, Ekaterina Malysheva, Tatiana Bulyonkova, Guillermo Muñoz, Giuliano Ferisin, Francesco Dovana, Oğuzhan Kaygusuz, Irja Saar, Vladimír Antonín, Else C Vellinga, Renée Lebeuf, Andrew M Minnis, Django Grootmyers, Jacob Kalichman, Andrew D Parker, Danny Miller, Stephen D Russell, Mary L Berbee, Sophie Hoye Pacholek, Oldriska Ceska, C K Pradeep, V Keerthi, Hana Ševčíková","doi":"10.1080/00275514.2025.2460237","DOIUrl":"10.1080/00275514.2025.2460237","url":null,"abstract":"<p><p><i>Pluteus leoninus</i> is a commonly reported species, characterized by a yellow pileus, yellow colors on the stipe, pleurocystidia provided with digitiform excrescences, and a pileipellis composed of long, fusiform elements. Several species related to <i>P. leoninus</i> have been described from the temperate and boreal areas of the Northern Hemisphere, and previous phylogenetic studies have shown that more than one species can be recognized around <i>P. leoninus</i>, but it was unclear how many, or which names, would be correct for them. We studied 141 holarctic collections in the /leoninus clade and available type collections of species in this group. Taking into account the morphological, molecular (ITS, <i>tef1</i>), ecological, and geographic variation in our data set, we recognize 12 holarctic species, six in Eurasia (<i>P. favrei, P. leoninus, P. roseipes, P. ochraceoleoninus</i>, sp. nov. <i>P. ussuriensis</i>, sp. nov. <i>P. variabilicolor</i>) and six in North America (<i>P. aureus</i>, sp. nov. <i>P. croceus</i>, sp. nov. <i>P. flavofuligineus, P. hesperius</i>, sp. nov. <i>P. insularis</i>, sp. nov. <i>P. pumae</i>, sp. nov.). Tropical species included by Singer in stirps <i>Leoninus</i> are briefly discussed: <i>P. chrysaegis</i>, originally described from Srik Lanka, is confirmed to occur in North America (Florida, Puerto Rico); we provide the first modern description and molecular data for <i>P. conizatus</i>, originally described from Sri Lanka, which is confirmed to be part of <i>Pluteus</i> sect. <i>Hispidoderma</i> but does not belong in the /leoninus clade.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"374-417"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143597271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-04-01DOI: 10.1080/00275514.2025.2476934
Xuan Chen, Yang-Yang Cui, Zhu L Yang
{"title":"The genus <i>Volvariella</i> from southwestern China.","authors":"Xuan Chen, Yang-Yang Cui, Zhu L Yang","doi":"10.1080/00275514.2025.2476934","DOIUrl":"10.1080/00275514.2025.2476934","url":null,"abstract":"<p><p>In this study, morphological characteristics, ecological features, and phylogenetic analyses based on nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS), partial nuc rDNA 28S (28S), and the translation elongation factor 1-α (<i>TEF1</i>) were employed to investigate the species diversity of the genus <i>Volvariella</i> in southwestern China. Eight species are recognized, among which are five known species, namely, <i>V. bombycina, V. hypopithys, V. morozovae, V. pulla</i>, and <i>V. volvacea</i>, and three new species described here, namely, <i>V. parvirimosa, V. pilosa</i>, and <i>V. rimosa. Volvariella pulla</i> represents a species new to China. For species delimitation, the size of the basidiomes, the morphology of the pileus, the size of basidiospores, and the morphology of hymenial cystidia are informative. Taxonomic descriptions of the new species are presented, and a key to the eight species from southwestern China is provided.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"499-515"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143753502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-05-01Epub Date: 2025-03-31DOI: 10.1080/00275514.2025.2472593
Julieta Alvarez-Manjarrez, Terry W Henkel, Ansel Duncan, M Catherine Aime, Kabir G Peay, Matthew E Smith
{"title":"New species of <i>Thelephora</i> (Thelephorales, Basidiomycota) associated with <i>Dicymbe</i> and <i>Aldina</i> in Guyana.","authors":"Julieta Alvarez-Manjarrez, Terry W Henkel, Ansel Duncan, M Catherine Aime, Kabir G Peay, Matthew E Smith","doi":"10.1080/00275514.2025.2472593","DOIUrl":"10.1080/00275514.2025.2472593","url":null,"abstract":"<p><p>Species of <i>Thelephora</i> Ehrh. ex Willd. (Thelephorales, Basidiomycota) are known from all continents where ectomycorrhizal (ECM) host plants occur. Although often poorly represented in sporocarp surveys due to the cryptic basidiomata of the resupinate species, belowground sequencing studies in both temperate and tropical systems have shown that thelephoroid fungi are often the dominant ECM group. In the South American lowland tropics, thelephoroid fungi remain poorly known, and very few species have been described from the region. Long-term surveys in Guyana have revealed a wide diversity of ECM fungal species in association with the ECM trees <i>Dicymbe corymbosa</i> (Fabaceae subfam. Detarioideae) and <i>Aldina insignis</i> (Benth.) Endl. (Fabaceae subfam. Papilionoideae). Thelephoroid species form a prominent component of this ECM fungal assemblage, as evidenced by their dominance in both adult tree and seedling root tip surveys and frequent occurrence as fertile basidiomata on a variety of substrata. Here we describe four new thelephoroid species from Guyana that are among the most frequently collected as basidiomata: <i>Thelephora ascendens, Thelephora compacta, Thelephora singularis</i>, and <i>Thelephora ventricobasidia</i>. Three of these species have resupinate basidiomata and would have formerly been assigned to the genus <i>Tomentella</i> Pers. ex Pat. Morphological descriptions, habit, habitat, and known distribution are provided for each new species. Sequence data for the barcode internal transcribed spacer (ITS) locus is provided for types and most other collections of the new species, and a molecular phylogenetic analysis across the Thelephoraceae corroborates their status as novel taxa.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"480-498"},"PeriodicalIF":2.6,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143753517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pathogenicity and ultramicroscopic analysis of green muscardine fungus, <i>Metarhizium anisopliae</i>, infecting the tomato fruit borer, <i>Helicoverpa armigera</i>.","authors":"Yamini Rajendran, Panthagani Venkata Koushik, Shanmugam Pagalahalli Sankaran, Murugan Marimuthu, Geetha Nandagopal, Srinivasan Thulasy, Meenakshi Periasamy, Kandan Aravindaram","doi":"10.1080/00275514.2025.2481821","DOIUrl":"https://doi.org/10.1080/00275514.2025.2481821","url":null,"abstract":"<p><p>The polyphagous insect <i>Helicoverpa armigera</i> is a devastating pest known to develop resistance to insecticides quickly. In the search for alternatives, the entomopathogenic fungus <i>Metarhizium anisopliae</i> has been found to be an eco-friendly component of integrated pest management for lepidopteran insects all over the world. On tomatoes, this pest devours both the leaves and the fruits. The present investigation was carried out to identify effective <i>M. anisopliae</i> strains against <i>H. armigera</i> through ultramicroscopic investigations. The fungal strains sourced from soil and <i>Spodoptera frugiperda</i> cadavers were subjected to molecular and morphological characterization, confirming their identity as <i>M. anisopliae</i>. Of the 10 <i>M. anisopliae</i> strains, ICAR SBI Ma 08 and ICAR SBI Ma 01 ranked first and second in efficacy against <i>H. armigera</i> second and fourth instars, respectively. The order of efficacy of other strains against <i>H. armigera</i> was ICAR SBI Ma 69 > ICAR SBI Ma 44 > ICAR SBI Ma 07 > ICAR SBI Ma 05 > ICAR SBI Ma 172 > ICAR SBI Ma 03 > ICAR SBI Ma 46 > ICAR SBI Ma 04. Ultramicroscopic examinations found the growth of mycelia in the natural openings of the larva, such as the spiracles, thorax, legs, and setal alveoli, within 168 h. The tested strains demonstrated greater effectiveness against the second instar compared with the fourth instar, suggesting that the most potent strain, ICAR SBI Ma 08, can effectively manage the early instars.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-17"},"PeriodicalIF":2.6,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144062905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MycologiaPub Date : 2025-04-29DOI: 10.1080/00275514.2025.2489332
Marcin Nowicki, Kayleigh P Redington, Sarah L Boggess, I Shade Niece, Robert N Trigiano
{"title":"The enzymatic arsenal of <i>Discula destructiva</i>: strategies for understanding and managing the dogwood anthracnose pathogen.","authors":"Marcin Nowicki, Kayleigh P Redington, Sarah L Boggess, I Shade Niece, Robert N Trigiano","doi":"10.1080/00275514.2025.2489332","DOIUrl":"https://doi.org/10.1080/00275514.2025.2489332","url":null,"abstract":"<p><p>The increasing prevalence of fungal diseases poses major threats to agricultural productivity and biodiversity, particularly in the context of plant-pathogen interactions. Understanding the mechanisms by which pathogens such as <i>Discula destructiva</i> cause disease and losses in dogwoods, important forest plants and nursery ornamental crops, is crucial for developing effective management strategies. This study focuses on the enzymatic activities of <i>D. destructiva</i>, the causal agent of dogwood anthracnose, and their role in facilitating pathogenicity in <i>Cornus</i> spp. We hypothesized that <i>D. destructiva</i> produces higher levels of extracellular hydrolytic and oxidative enzymes compared with other <i>Discula</i> species, which could enhance its ability to invade and degrade host plant tissues. Our findings revealed that isolates of <i>D. destructiva</i> exhibit elevated enzymatic activities, specifically with abundant polyphenol oxidase activity. Additionally, we assessed the influence of environmental factors, such as pH and medium composition, on pathogen growth, demonstrated that optimal growth occurs at pH 4.5, whereas alkaline conditions inhibited growth dynamics. These insights suggest that managing environmental conditions or fungicide formulations could be an effective strategy for controlling the spread of dogwood anthracnose pathogen, thereby emphasizing the importance of enzymatic profiles in fungal pathogenicity.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-14"},"PeriodicalIF":2.6,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144030096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}