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New Phytopythium species associated with water and soil in Vietnam and USA. 越南和美国与水和土壤有关的植藻新种。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-10-01 DOI: 10.1080/00275514.2026.2721879
Alina Puig, Catalina Salgado-Salazar, Emily Pfeufer, Glen Groben, Chuanxue Hong
{"title":"New <i>Phytopythium</i> species associated with water and soil in Vietnam and USA.","authors":"Alina Puig, Catalina Salgado-Salazar, Emily Pfeufer, Glen Groben, Chuanxue Hong","doi":"10.1080/00275514.2026.2721879","DOIUrl":"https://doi.org/10.1080/00275514.2026.2721879","url":null,"abstract":"<p><p><i>Phytopythium</i> is a recently established genus with sporangial morphology similar to <i>Phytophthora</i> and zoospore discharge similar to <i>Pythium</i>. It contains 27 officially recognized species including plant pathogens as well as aquatic saprophytes. Among the most widely distributed are <i>P. helicoides</i> and <i>P. vexans</i>, followed by <i>P. oedochilum</i> and <i>P. litorale</i>, each having been reported on six continents. This study uses morphological and molecular analyses to describe two novel <i>Phytopythium</i> species: <i>P. phamii</i> from river water in Vietnam and <i>P. virginianum</i> from an irrigation pond in the USA and citrus orchard soil in Vietnam. Based on the maximum likelihood and Bayesian phylogenies, <i>P. virginianum</i> and <i>P. phamii</i> generally grouped with members of the <i>Phytopythium</i> clade 2, near <i>P. chamaehyphon</i> and <i>P. helicoides</i>. Isolates of both species grew at temperatures between 7 and 35 C, with an optimum temperature of 30 C for <i>P. phamii</i> and 35 C for <i>P. virginianum</i>. Although abundant oospore production was observed in cultures of <i>P. phamii</i>, none was observed in cultures of <i>P. virginianum</i> on any of the media used. The formal description of these new species helps scientists and regulators understand the geographic distributions of organisms and identify potential emerging pathogens that can become a threat to agricultural crops.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-12"},"PeriodicalIF":2.2,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149112292","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}
引用次数: 0
Enhanced growth and virulence of Metarhizium species using insect-derived in vitro culture medium. 利用昆虫源培养基提高绿僵菌的生长和毒力。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-29 DOI: 10.1080/00275514.2026.2720595
A M Wilson, H H De Fine Licht
{"title":"Enhanced growth and virulence of <i>Metarhizium</i> species using insect-derived <i>in</i> <i>vitro</i> culture medium.","authors":"A M Wilson, H H De Fine Licht","doi":"10.1080/00275514.2026.2720595","DOIUrl":"https://doi.org/10.1080/00275514.2026.2720595","url":null,"abstract":"<p><p>The environment in which a fungus grows directly influences fungal traits such as development, transmission, and pathogenic potential. The environmental niche encompasses factors such as nutrient availability, biotic and abiotic stressors, as well as host-derived chemical cues. In fungal pathogens, where conidia act as the infectious agents, the environmental niche impacts the quantity and quality of the produced conidia, thereby affecting the ability of conidia to infect and kill hosts. In the present study, we investigated the effect of host-derived medium types on various phenotypes, including fungal growth rate, conidial production, and virulence in two entomopathogenic fungi, <i>Metarhizium acridum</i> and <i>Metarhizium brunneum</i>. Three medium types derived from insect material were compared with a standard laboratory medium. When grown on insect-derived medium, cultures exhibited enhanced conidiogenesis and reduced time to conidiogenesis. Although the conidia produced on this host-derived medium germinated and grew at rates comparable to those generated on control medium, they demonstrated higher virulence in one isolate of <i>M. brunneum</i>. These results highlight that the composition of growth substrates can regulate fungal reproductive strategies and virulence, with implications for developing high-throughput phenotyping and for the optimization of mass production and efficacy of entomopathogenic fungi in biological control applications.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-15"},"PeriodicalIF":2.2,"publicationDate":"2026-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149075361","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}
引用次数: 0
Integrative taxonomic insights reveal a triad of new Parasola species from southern Punjab, Pakistan. 综合分类学的见解揭示了巴基斯坦旁遮普南部的一种新的Parasola物种。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-25 DOI: 10.1080/00275514.2026.2720396
Muhammad Asif, Malka Saba, Wajahat Akram, Mohsin Ullah, Atika Noor, Momal Batool, Muhammad Haqnawaz, Irmgard Krisai-Greilhuber, Mubashar Raza
{"title":"Integrative taxonomic insights reveal a triad of new <i>Parasola</i> species from southern Punjab, Pakistan.","authors":"Muhammad Asif, Malka Saba, Wajahat Akram, Mohsin Ullah, Atika Noor, Momal Batool, Muhammad Haqnawaz, Irmgard Krisai-Greilhuber, Mubashar Raza","doi":"10.1080/00275514.2026.2720396","DOIUrl":"https://doi.org/10.1080/00275514.2026.2720396","url":null,"abstract":"<p><p>The genus <i>Parasola</i> is known for its diverse range of species, but the taxonomic understanding of its diversity in southern Punjab, Pakistan, remains incomplete. In this study, we describe three novel species of <i>Parasola</i> from this region, identified using an integrative approach combining morphological examination and molecular phylogeny. We included field pictures of the species in their natural habitats and illustrations of the microscopic features to complement the taxonomic descriptions. Molecular phylogeny, based on internal transcribed spacer (ITS) and 28S sequences, revealed that two species, <i>P. pakistanica</i> and <i>P. fragilissima</i>, nested within <i>P</i>. sect. <i>Conopileae</i>, whereas <i>P. brunneodisca</i> nested within <i>P</i>. sect. <i>Parasola</i>. These results strongly support the distinctiveness of these taxa, separate from previously described species. Our study contributes to expanding the known diversity of <i>Parasola</i> in southern Punjab, offering novel insights into its taxonomy and the evolutionary relationships among species within the genus. These findings highlight the importance of combining multiple approaches to taxonomic studies in uncovering hidden biodiversity.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-16"},"PeriodicalIF":2.2,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149062861","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}
引用次数: 0
Genomic analysis of Ancylistes closterii, an enigmatic alga parasitic fungus in the arthropod-associated Entomophthoromycotina. 节肢动物昆虫菌门中一种神秘的藻类寄生真菌——closterii的基因组分析。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-23 DOI: 10.1080/00275514.2026.2719551
Kensuke Seto, Timothy Y James
{"title":"Genomic analysis of <i>Ancylistes closterii</i>, an enigmatic alga parasitic fungus in the arthropod-associated Entomophthoromycotina.","authors":"Kensuke Seto, Timothy Y James","doi":"10.1080/00275514.2026.2719551","DOIUrl":"https://doi.org/10.1080/00275514.2026.2719551","url":null,"abstract":"<p><p>Recent advances in fungal genome sequencing have dramatically altered our understanding of the phylogeny and evolution of Fungi. However, there are still many poorly studied obligate parasitic or symbiotic fungi for which we lack any genomic information or knowledge of where they fit in the fungal phylogeny. <i>Ancylistes</i>, an endoparasite of desmid green algae, is such an understudied fungal genus that is classified among Entomophthoromycotina in Zoopagomycota on the basis of morphology. However, this relationship is perplexing, because Zoopagomycota is almost entirely composed of animal-associated fungi. In this study, we found and cultivated <i>Ancylistes closterii</i> with its green algal host <i>Closterium</i> sp. and sequenced its genome to investigate its phylogenetic position and evolution. Phylogenetic analyses using rDNA and genome-scale data sets showed that <i>A. closterii</i> was sister to other Entomophthoromycotina fungi, confirming the taxonomic position of <i>Ancylistes</i>. Despite the ecological distinctiveness between <i>Ancylistes</i> and other Entomophthoromycotina fungi, our comparative genomic analyses revealed shared traits of these fungi such as lineage-specific subtilases and hybrid histidine kinases. <i>Ancylistes</i> also possessed unique genes among Zoopagomycota fungi such as plant cell wall-degrading enzymes that could be important for infection of algae.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-16"},"PeriodicalIF":2.2,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031032","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}
引用次数: 0
New informative molecular markers for Alternaria sections Infectoriae and Pseudoalternaria reveal the diversity of lineages infecting wheat and tomato. 小麦和番茄互花病菌(Alternaria)侵染区和伪互花病菌(Pseudoalternaria)的新分子标记揭示了侵染小麦和番茄的谱系多样性。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-17 DOI: 10.1080/00275514.2026.2713971
Jeremy R Dettman, Suzanne Gerdis, Livia M Titley, Lilija Dučkena, Adam Taranto, Alireza Poursafar
{"title":"New informative molecular markers for <i>Alternaria</i> sections <i>Infectoriae</i> and <i>Pseudoalternaria</i> reveal the diversity of lineages infecting wheat and tomato.","authors":"Jeremy R Dettman, Suzanne Gerdis, Livia M Titley, Lilija Dučkena, Adam Taranto, Alireza Poursafar","doi":"10.1080/00275514.2026.2713971","DOIUrl":"https://doi.org/10.1080/00275514.2026.2713971","url":null,"abstract":"<p><p>Fungi in <i>Alternaria</i> sections <i>Infectoriae</i> and <i>Pseudoalternaria</i> are commonly associated with commercially important crops, yet their biosystematics remains difficult to resolve because standard molecular markers often lack sufficient phylogenetic resolution. In this study, we used candidate loci identified in previous phylogenomic analyses to develop four new molecular markers (<i>SIP-03, SIP-04, SIP-06</i>, and <i>SIP-08</i>) that were specifically designed to be highly informative for these two sections. The performance of these new markers was evaluated using 237 strains collected primarily from wheat in Canada and tomatoes in the Baltic states, representing the largest data set analyzed to date. The four markers showed high amplification success and contained strong phylogenetic signal. Combined phylogenetic analyses recovered all of the previously recognized lineages within sections <i>Infectoriae</i> (Inf1, Inf3, Inf3) and <i>Pseudoalternaria</i> (Pse1, Pse2) and revealed a novel lineage, designated Inf4, associated with wheat in western Canada. Concordance of lineage assignment was high, with 94.1% of strains being placed consistently across all four markers and an overall marker conflict frequency of less than 3%. Our expanded sampling identified some lineage-specific patterns in regard to host association and geographic distribution. For example, the Inf1 lineage showed high molecular diversity and was dominant among tomato-associated strains from Baltic Europe, whereas Inf2 and Pse2 were the primary lineages infecting western Canadian wheat. Our study provides robust new tools for identification and classification of taxa within sections <i>Infectoriae</i> and <i>Pseudoalternaria</i>, refines their phylogenetic framework, and facilitates future studies on the pathology, epidemiology, and mycotoxin production of these agriculturally important fungi.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-14"},"PeriodicalIF":2.2,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148990859","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}
引用次数: 0
Pseudomitrulaceace, fam. nov., and three new species of Pseudomitrula expand the known diversity of South American earth tongues. Pseudomitrulaceace,家人。年11月,和三个新物种的伪米特鲁扩大了已知的南美洲地球语言的多样性。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-15 DOI: 10.1080/00275514.2026.2705588
Arthur C Grupe, Danny Haelewaters, Candice Perrotta, Ash Weier, Marcos Vinicius Caiafa, Donald H Pfister, Matthew E Smith, C Alisha Quandt
{"title":"Pseudomitrulaceace, fam. nov., and three new species of <i>Pseudomitrula</i> expand the known diversity of South American earth tongues.","authors":"Arthur C Grupe, Danny Haelewaters, Candice Perrotta, Ash Weier, Marcos Vinicius Caiafa, Donald H Pfister, Matthew E Smith, C Alisha Quandt","doi":"10.1080/00275514.2026.2705588","DOIUrl":"https://doi.org/10.1080/00275514.2026.2705588","url":null,"abstract":"<p><p><i>Pseudomitrula</i> (Leotiomycetes, Helotiales) is a genus of minute earth tongues. <i>Pseudomitrula horakii</i>, the only described species in the genus, is recognized by cylindrical to spathulate apothecia. It was originally placed within Geoglossaceae but is currently classified within Helotiales, as genus incertae sedis, or within either Cenangiaceae or Helotiaceae. Through recent expeditions to southern South America, dozens of collections of <i>Pseudomitrula</i> were made. Based on the phylogenetic reconstruction of an internal transcribed spacer (ITS) data set, we identified eight distinct groups among our collections, representing <i>P. horakii</i> and seven putative species, three of which are formally described here: <i>P. gamundiae, P. mapuche</i>, and <i>P. variabilis</i>. We present morphological descriptions and illustrations for all four named species. To resolve the placement of <i>Pseudomitrula</i> within Helotiales, we included newly generated <i>Pseudomitrula</i> sequences in a 15-locus class-wide data set. The resulting phylogeny showed that <i>Pseudomitrula</i> species form an independent clade sister to five families in Helotiales: Helotiaceae, Lachnaceae, Pleuroascaceae, Solenopeziaceae, and Tricladiaceae. Morphologically, <i>Pseudomitrula</i> has little in common with taxa in these families that either form sessile or stalked cup- or cushion-shaped apothecia or cleistothecia or produce aquatic hyphomycetous or microscopically small asexual morphotypes. For these reasons, we propose the new family Pseudomitrulaceae within Helotiales. This study expands the knowledge of southern South American diversity of Leotiomycetes.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1-13"},"PeriodicalIF":2.2,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148977320","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}
引用次数: 0
Two new genera of Magnaporthaceae (Magnaporthales, Sordariomycetes) associated with switchgrass from the serpentine barrens ecosystem. 蛇形荒滩生态系统中与柳枝稷有亲缘关系的柳枝稷科二新属。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-01 Epub Date: 2026-05-27 DOI: 10.1080/00275514.2026.2663716
Jing Luo, Stephen Bentivenga, Jenna Levner, Emily Walsh, Megan Mauriello, Ning Zhang
{"title":"Two new genera of Magnaporthaceae (Magnaporthales, Sordariomycetes) associated with switchgrass from the serpentine barrens ecosystem.","authors":"Jing Luo, Stephen Bentivenga, Jenna Levner, Emily Walsh, Megan Mauriello, Ning Zhang","doi":"10.1080/00275514.2026.2663716","DOIUrl":"10.1080/00275514.2026.2663716","url":null,"abstract":"<p><p>During a survey of plant root-associated microbiota in the Pennsylvania Chrome Serpentine Barrens, we identified two previously unrecognized fungal lineages from <i>Panicum virgatum</i> (switchgrass). Based on multigene phylogenetic analyses, along with morphological and ecological characterization, we propose the establishment of two new genera, <i>Curvophialophora</i> and <i>Drepanoconia</i>, together with their respective species, <i>Curvophialophora panicicola</i>, sp. nov. and <i>Drepanoconia panicicola</i>, sp. nov. in the family Magnaporthaceae. <i>Curvophialophora</i> is characterized by simple, undifferentiated, septate, hyaline conidiophores bearing terminal, strongly curved phialidic conidiogenous cells that produce aseptate, hyaline, ovoid to ellipsoidal conidia. <i>Drepanoconia</i> has complex, differentiated, straight, brown conidiophores with terminal, slightly curved phialidic conidiogenous cells producing aseptate, hyaline, strongly curved sickle-shaped conidia. The plant-fungal interaction experiment showed that both genera had significant inhibitory effects on <i>Arabidopsis thaliana</i>, indicating their phytotoxicity potential on plants. These findings expand our knowledge on the microbiota associated with switchgrass, an emerging biofuel crop, and contribute to the study of systematics, diversity, and function of Magnaporthaceae.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1064-1073"},"PeriodicalIF":2.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148033078","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}
引用次数: 0
Cryptoporus densiflorus, sp. nov. (Polyporaceae), from East Asia and a reassessment of species distributions in Cryptoporus. 东亚隐孢子虫(Polyporaceae)及隐孢子虫种分布的再评价。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-01 Epub Date: 2026-06-15 DOI: 10.1080/00275514.2026.2672914
Jiyun Choi, Abel Severin Lupala, Ji Seon Kim, Yu-Cheng Dai, Young Woon Lim
{"title":"<i>Cryptoporus densiflorus</i>, sp. nov. (Polyporaceae), from East Asia and a reassessment of species distributions in <i>Cryptoporus</i>.","authors":"Jiyun Choi, Abel Severin Lupala, Ji Seon Kim, Yu-Cheng Dai, Young Woon Lim","doi":"10.1080/00275514.2026.2672914","DOIUrl":"10.1080/00275514.2026.2672914","url":null,"abstract":"<p><p>The genus <i>Cryptoporus</i> has historically been delimited primarily based on the distinctive veiled polypore morphology. Since its first report from North America, the genus has been regarded as monotypic, represented by <i>Cryptoporus volvatus</i>. Recently, two additional species were described from south and central China based on DNA sequence data. However, despite numerous records from Korea, Japan, and eastern China, no molecular phylogenetic studies have yet examined collections from these regions. The present study aims to clarify the species boundaries and geographic distribution of <i>Cryptoporus</i> in East Asia using integrative taxonomic approaches. Multilocus phylogenetic analyses were conducted using sequences from ITS, 28S, 18S, <i>RPB2</i>, and <i>TEF1</i>, together with species delimitation analyses. Our results demonstrate that East Asian collections represent a distinct lineage, herein described as a new species, <i>Cryptoporus densiflorus</i>. The new species is confirmed to occur in Korea and Japan and appears to be host-specific to <i>Pinus densiflora</i>. We reevaluate the geographic ranges of all currently accepted species and highlight that historical \"<i>C. volvatus</i>\" records in Asia include multiple taxa. These results indicate that <i>Cryptoporus</i> species exhibit strong geographic structuring and host association at the species level, thereby enhancing the taxonomic framework of the genus in East Asia.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"1074-1086"},"PeriodicalIF":2.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148258864","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}
引用次数: 0
Antiquity of tritrophic interaction in black mildew: Evidence from the Neogene Siwalik forest of Arunachal Sub-Himalaya.
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-01 Epub Date: 2026-05-29 DOI: 10.1080/00275514.2026.2663708
Meghma Bera, Shreyasi Basak, Roland Kirschner, Mahasin Ali Khan, Dipak Kumar Paruya, Robert A Spicer, Krishnendu Acharya, Bapi Goswami, Subir Bera
{"title":"Antiquity of tritrophic interaction in black mildew: Evidence from the Neogene Siwalik forest of Arunachal Sub-Himalaya.","authors":"Meghma Bera, Shreyasi Basak, Roland Kirschner, Mahasin Ali Khan, Dipak Kumar Paruya, Robert A Spicer, Krishnendu Acharya, Bapi Goswami, Subir Bera","doi":"10.1080/00275514.2026.2663708","DOIUrl":"10.1080/00275514.2026.2663708","url":null,"abstract":"<p><p>The present work is the first fossil evidence of fungi associated with black mildew fungi, Meliolales. Here we present the occurrence of three different fungicolous fungi colonizing members of <i>Meliolinites</i> (fossil taxonomic equivalent of extant <i>Meliola</i>) on three different compressed angiosperm host leaves from middle-upper Siwalik strata (Pliocene to Early Pleistocene) of Arunachal Pradesh, eastern Himalaya. We suggest that the fossil fungicolous fungi were biological stressors of the black mildew in a potential tritrophic interaction in the tropical palaeoenvironment of middle-upper Siwalik forest of Arunachal Sub-Himalaya.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"969-979"},"PeriodicalIF":2.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148055618","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}
引用次数: 0
Sustained ascoma production and reproductive dynamics of the Asian black truffle Tuber himalayense in Japan. 喜马拉雅山亚洲黑松露块菌在日本的持续生长和繁殖动态。
IF 2.2 2区 生物学
Mycologia Pub Date : 2026-09-01 Epub Date: 2026-07-09 DOI: 10.1080/00275514.2026.2681290
Yuki Kitade, Kazuto Mizutani, Akihiko Kinoshita, Noritaka Nakamura, Takashi Yamanaka
{"title":"Sustained ascoma production and reproductive dynamics of the Asian black truffle <i>Tuber himalayense</i> in Japan.","authors":"Yuki Kitade, Kazuto Mizutani, Akihiko Kinoshita, Noritaka Nakamura, Takashi Yamanaka","doi":"10.1080/00275514.2026.2681290","DOIUrl":"10.1080/00275514.2026.2681290","url":null,"abstract":"<p><p>The Asian black truffle <i>Tuber himalayense</i> is commercially harvested from natural habitats. However, its populations have declined since the 1990s owing to habitat degradation and overharvesting. To ensure sustainable production and to conserve wild genetic resources, cultivation and a better understanding of reproductive dynamics are essential. We inoculated <i>Quercus serrata</i> seedlings with <i>T. himalayense</i> ascospores sourced from two localities and planted into a nursery in Japan. After 7½ years, two ascomata appeared, followed a year later by 12 more. To confirm their identity, we performed molecular phylogenetic analysis by using the rDNA internal transcribed spacer region and multilocus genotyping with 13 simple sequence repeat (SSR) markers. All ascomata matched one inoculated strain. Further analysis of SSR and mating type markers from spore and gleba DNAs showed that all ascomata were homozygotes. This study marks the first successful cultivation of <i>T. himalayense</i> in Japan. It also provides rare data on mating dynamics from the first year of ascoma formation-an aspect rarely captured in <i>Tuber</i> studies.</p>","PeriodicalId":18779,"journal":{"name":"Mycologia","volume":" ","pages":"915-925"},"PeriodicalIF":2.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148412368","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}
引用次数: 0
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