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Journals Journal of Fungi (Basel, Switz...

Journal of Fungi (Basel, Switzerland)

https://read.qxmd.com/read/37998929/comparative-analysis-of-capsular-and-secreted-polysaccharides-produced-by-rhodotorula-mucilaginosa-and-cryptococcus-neoformans
#1
JOURNAL ARTICLE
Gustavo Dornelles, Glauber R de S Araújo, Marcus Rodrigues, Vinicius Alves, Rodrigo Almeida-Paes, Susana Frases
Fungal infections are a global public health challenge, especially among immunocompromised patients. Basidiomycetous yeasts, such as Rhodotorula mucilaginosa , have emerged as opportunistic pathogens, but have received less attention than Cryptococcus neoformans . This study aimed to characterize the polysaccharides of R. mucilaginosa and compare them with those of C. neoformans , analyzing their clinical implications. Comprehensive physicochemical, mechanical, and ultrastructural analyses of polysaccharides from both species were performed, revealing correlations with virulence and pathogenicity...
November 20, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998928/statistical-experimental-design-as-a-new-approach-to-optimize-a-solid-state-fermentation-substrate-for-the-production-of-spores-and-bioactive-compounds-from-trichoderma-asperellum
#2
JOURNAL ARTICLE
Rayhane Hamrouni, Flor Regus, Magalie Claeys-Bruno, Anne-Marie Farnet Da Silva, Thierry Orsière, Isabelle Laffont-Schwob, Jean-Luc Boudenne, Nathalie Dupuy
Managing organic agricultural wastes is a challenge in today's modern agriculture, where the production of different agricultural goods leads to the generation of large amounts of waste, for example, olive pomace and vine shoot in Mediterranean Europe. The discovery of a cost-effective and environment-friendly way to valorize such types of waste in Mediterranean Europe is encouraged by the European Union regulation. As an opportunity, organic agricultural waste could be used as culture media for solid-state fermentation (SSF) for fungal strains...
November 20, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998927/a-case-of-tinea-corporis-caused-by-trichophyton-benhamiae-var-luteum-from-a-degu-and-evolution-of-the-pathogen-s-taxonomy
#3
Hiroshi Tanabe, Noriyuki Abe, Kazushi Anzawa
BACKGROUND: Trichophyton benhamiae , an anthropophilic dermatophyte, can cause dermatophytosis in humans and animals with rising zoonotic infections through pets, primarily in Europe. Dermatophytosis from T. benhamiae is often misdiagnosed due to its inflammatory symptoms. We report a case of tinea corporis from T. benhamiae var. luteum in a Japanese woman, contracted from pet Czech degus. CASE: The 40-year-old patient developed neck papules resembling acne. Initial treatment with topical antibiotics and steroids exacerbated the rash...
November 19, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998926/palm-fungi-and-their-key-role-in-biodiversity-surveys-a-review
#4
REVIEW
Diana S Pereira, Alan J L Phillips
Over the past three decades, a wealth of studies has shown that palm trees ( Arecaceae ) are a diverse habitat with intense fungal colonisation, making them an important substratum to explore fungal diversity. Palm trees are perennial, monocotyledonous plants mainly restricted to the tropics that include economically important crops and highly valued ornamental plants worldwide. The extensive research conducted in Southeast Asia and Australasia indicates that palm fungi are undoubtedly a taxonomically diverse assemblage from which a remarkable number of new species is continuously being reported...
November 19, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998925/enhancing-monascus-pellet-formation-for-improved-secondary-metabolite-production
#5
JOURNAL ARTICLE
Xizi Zhang, Huiqian Liu, Mengyao Zhang, Wei Chen, Chengtao Wang
Filamentous fungi are well-known for their ability to form mycelial pellets during submerged cultures, a characteristic that has been extensively studied and applied. However, Monascus , a filamentous saprophytic fungus with a rich history of medicinal and culinary applications, has not been widely documented for pellet formation. This study aimed to investigate the factors influencing pellet formation in Monascus and their impact on citrinin production, a key secondary metabolite. Through systematic exploration, we identified pH and inoculum size as critical factors governing pellet formation...
November 19, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998924/nanopore-sequencing-metabarcoding-for-identification-of-phytopathogenic-and-endophytic-fungi-in-olive-olea-europaea-twigs
#6
JOURNAL ARTICLE
Ioannis Theologidis, Timokratis Karamitros, Aikaterini-Eleni Vichou, Dimosthenis Kizis
Metabarcoding approaches for the identification of plant disease pathogens and characterization of plant microbial populations constitute a rapidly evolving research field. Fungal plant diseases are of major phytopathological concern; thus, the development of metabarcoding approaches for the detection of phytopathogenic fungi is becoming increasingly imperative in the context of plant disease prognosis. We developed a multiplex metabarcoding method for the identification of fungal phytopathogens and endophytes in olive young shoots, using the MinION sequencing platform (Oxford Nanopore Technologies)...
November 18, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998923/different-putative-methyltransferases-have-different-effects-on-the-expression-patterns-of-cellulolytic-genes
#7
JOURNAL ARTICLE
Zhongjiao Liu, Kexuan Ma, Xiujun Zhang, Xin Song, Yuqi Qin
Putative methyltranferase LaeA and LaeA-like proteins, conserved in many filamentous fungi, regulate fungal growth, development, virulence, the biosynthesis of secondary metabolites, and the production of cellulolytic enzymes. Penicillium oxaliucm is a typical fungus that produces cellulolytic enzymes. In this study, we reported the biological function of eight putative methyltransferases (PoMtr23C/D/E/F/G/H and PoMtr25A/B) containing a methyltransf_23 or methyltransf_25 domain, with a focus on their roles in the production of cellulolytic enzymes...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998922/comparative-study-on-the-antimicrobial-activities-and-metabolic-profiles-of-five-usnea-species-from-the-philippines
#8
JOURNAL ARTICLE
Thomas Edison E Dela Cruz, Lawrence P Timbreza, Ek Sangvichien, Kin Israel R Notarte, Krystle Angelique A Santiago
The rapid emergence of resistant bacteria is occurring worldwide, endangering the efficacy of antibiotics. Hence, there is a need to search for new sources of antibiotics that either exhibit novel structures or express a new mechanism of action. The lichen Usnea , with its wide range of unique, biologically potent secondary metabolites, may solve this problem. In this study, Usnea species were collected in the Northern Philippines, identified through combined morphological and biochemical characterization, and tested for antimicrobial activities against the multidrug-resistant ESKAPE pathogens, i...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998921/how-poor-is-aphyllophoroid-fungi-diversity-in-the-boreal-urban-greenhouses-of-eastern-europe
#9
JOURNAL ARTICLE
Anton G Shiryaev, Ivan V Zmitrovich, Stepan A Senator, Elena N Minogina, Oleg B Tkachenko
It is generally accepted that mycobiota diversity in urban greenhouses is poorer than in natural ecosystems, but our knowledge on this field of research is fragmentary. Here, we present the results of a long-term study of aphyllophoroid macrofungi (Basidiomycota) forming fruitbodies on non-native sub/tropical woody and herbaceous plants in the greenhouses of Saint Petersburg, Moscow, and Ekaterinburg botanical gardens located in the hemiboreal vegetation subzone of Eastern Europe. Over 20 years of research, fruitbodies of 58 species of aphyllophoroid fungi have been identified...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998920/structural-and-functional-alterations-caused-by-aureobasidin-a-in-clinical-resistant-strains-of-candida-spp
#10
JOURNAL ARTICLE
Rodrigo Rollin-Pinheiro, Daniel Clemente de Moraes, Brayan Bayona-Pacheco, Jose Alexandre da Rocha Curvelo, Giulia Maria Pires Dos Santos-Freitas, Mariana Ingrid Dutra da Silva Xisto, Luana Pereira Borba-Santos, Sonia Rozental, Antonio Ferreira-Pereira, Eliana Barreto-Bergter
Candida species are one of the most concerning causative agents of fungal infections in humans. The treatment of invasive Candida infections is based on the use of fluconazole, but the emergence of resistant isolates has been an increasing concern which has led to the study of alternative drugs with antifungal activity. Sphingolipids have been considered a promising target due to their roles in fungal growth and virulence. Inhibitors of the sphingolipid biosynthetic pathway have been described to display antifungal properties, such as myriocin and aureobasidin A, which are active against resistant Candida isolates...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998919/-serendipita-indica-promotes-the-growth-of-tartary-buckwheat-by-stimulating-hormone-synthesis-metabolite-production-and-increasing-systemic-resistance
#11
JOURNAL ARTICLE
Meijia Zheng, Shanpu Zhong, Wenjing Wang, Zizhong Tang, Tongliang Bu, Qingfeng Li
The main objective of this study was to investigate the influence of Serendipita indica on the growth of Tartary buckwheat plants. This study highlighted that the roots of Tartary buckwheat can be colonized by S. indica and that this fungal endophyte improved plants height, fresh weight, dry weight, and grain yield. In the meantime, the colonization of S. indica in Tartary buckwheat leaves resulted in elevated levels of photosynthesis, plant hormone content, antioxidant enzyme activity, proline content, chlorophyll content, soluble sugars, and protein content...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998918/-cortinarius-and-tomentella-fungi-become-dominant-taxa-in-taiga-soil-after-fire-disturbance
#12
JOURNAL ARTICLE
Zhichao Cheng, Song Wu, Hong Pan, Xinming Lu, Yongzhi Liu, Libin Yang
Fungi have important ecological functions in the soil of forests, where they decompose organic matter, provide plants with nutrients, increase plant water uptake, and improve plant resistance to adversity, disease, and disturbance. A forest fire presents a serious disturbance of the local ecosystem and can be considered an important component affecting the function of ecosystem biomes; however, the response of soil fungi to fire disturbance is largely unknown. To investigate the effects of fire disturbance on the community composition and diversity of soil fungi in a taiga forest, we collected soil from plots that had undergone a light, moderate, and heavy fire 10 years previously, with the inclusion of a fire-free control...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998917/the-monothiol-glutaredoxin-grx4-influences-iron-homeostasis-and-virulence-in-ustilago-maydis
#13
JOURNAL ARTICLE
Sean W McCotter, Matthias Kretschmer, Christopher W J Lee, Kai Heimel, James W Kronstad
The corn smut fungus, Ustilago maydis , is an excellent model for studying biotrophic plant-pathogen interactions, including nutritional adaptation to the host environment. Iron acquisition during host colonization is a key aspect of microbial pathogenesis yet less is known about this process for fungal pathogens of plants. Monothiol glutaredoxins are central regulators of key cellular functions in fungi, including iron homeostasis, cell wall integrity, and redox status via interactions with transcription factors, iron-sulfur clusters, and glutathione...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998916/the-plant-defensin-ppdef1-is-a-novel-topical-treatment-for-onychomycosis
#14
JOURNAL ARTICLE
Nicole L van der Weerden, Kathy Parisi, James A McKenna, Brigitte M Hayes, Peta J Harvey, Pedro Quimbar, Sean R Wevrett, Prem K Veneer, Owen McCorkelle, Shaily Vasa, Rosemary Guarino, Simon Poon, Yolanda M Gaspar, Michael J Baker, David J Craik, Rob B Turner, Marc B Brown, Mark R Bleackley, Marilyn A Anderson
Onychomycosis, or fungal nail infection, causes not only pain and discomfort but can also have psychological and social consequences for the patient. Treatment of onychomycosis is complicated by the location of the infection under the nail plate, meaning that antifungal molecules must either penetrate the nail or be applied systemically. Currently, available treatments are limited by their poor nail penetration for topical products or their potential toxicity for systemic products. Plant defensins with potent antifungal activity have the potential to be safe and effective treatments for fungal infections in humans...
November 17, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998915/differences-in-soil-fungal-communities-between-forested-reclamation-and-forestry-sites-in-the-alberta-oil-sands-region
#15
JOURNAL ARTICLE
John A Trofymow, Philip-Edouard Shay, Bradley Tomm, Jean A Bérubé, Tod Ramsfield
Fungi play key roles in forest soils and provide benefits to trees via mycorrhizal symbioses. After severe disturbance, forest regrowth can be impeded because of changes in fungal communities. In 2013-2014, soil fungi in forest floor and mineral soil were examined by Roche 454 pyrosequencing in undisturbed, harvested, and burned jack pine stands in a forested area near Fort Chipewyan, Alberta. These fungal communities were compared with jack pine, white spruce, and larch stands in Gateway Hill, a nearby certified reclaimed area...
November 16, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998914/genome-wide-informative-microsatellite-markers-and-population-structure-of-fusarium-virguliforme-from-argentina-and-the-usa
#16
JOURNAL ARTICLE
Leandro Lopes da Silva, Huan Tian, Brandi Schemerhorn, Jin-Rong Xu, Guohong Cai
Soybean sudden death syndrome (SDS) is a destructive disease that causes substantial yield losses in South and North America. Whereas four Fusarium species were identified as the causal agents, F. virguliforme is the primary SDS-causing pathogen in North America and it also contributes substantially to SDS in Argentina. In this study, we comparatively analyzed genome assemblies of four F. virguliforme strains and identified 29 informative microsatellite markers. Sixteen of the 29 markers were used to investigate the genetic diversity and population structure of this pathogen in a collection of 90 strains from Argentina and the USA...
November 16, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998913/nano-silicon-triggers-rapid-transcriptomic-reprogramming-and-biochemical-defenses-in-brassica-napus-challenged-with-sclerotinia-sclerotiorum
#17
JOURNAL ARTICLE
Qiuping Zhang, Jiaqi Wang, Jiajia Wang, Mulan Liu, Xiao Ma, Yang Bai, Qiang Chen, Song Sheng, Feng Wang
Stem rot caused by Sclerotinia sclerotiorum poses a significant threat to global agriculture, leading to substantial economic losses. To explore innovative integrated pest management strategies and elucidate the underlying mechanisms, this study examined the impact of nano-silicon on enhancing resistance to Sclerotinia sclerotiorum in Brassica napus . Bacteriostatic assays revealed that nano-silicon effectively inhibited the mycelial growth of Sclerotinia sclerotiorum in a dose-dependent manner. Field trials corroborated the utility of nano-silicon as a fertilizer, substantially bolstering resistance in the Brassica napus cultivar Xiangyou 420...
November 16, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998912/moonlighting-proteins-diverse-functions-found-in-fungi
#18
REVIEW
Nicole J Curtis, Krupa J Patel, Amina Rizwan, Constance J Jeffery
Moonlighting proteins combine multiple functions in one polypeptide chain. An increasing number of moonlighting proteins are being found in diverse fungal taxa that vary in morphology, life cycle, and ecological niche. In this mini-review we discuss examples of moonlighting proteins in fungi that illustrate their roles in transcription and DNA metabolism, translation and RNA metabolism, protein folding, and regulation of protein function, and their interaction with other cell types and host proteins.
November 15, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998911/an-evaluation-of-the-olm-pneum-id-real-time-polymerase-chain-reaction-to-aid-in-the-diagnosis-of-pneumocystis-pneumonia
#19
JOURNAL ARTICLE
Jessica S Price, Melissa Fallon, Raquel Posso, Matthijs Backx, P Lewis White
BACKGROUND: The use of the PCR to aid in the diagnosis of Pneumocystis pneumonia (PcP) has demonstrated excellent clinical performance, as evidenced through various systematic reviews and meta-analyses, yet there are concerns over the interpretation of positive results due to the potential presence of Pneumocystis colonization of the airways. While this can be overcome by applying designated positivity thresholds to PCR testing, the shear number of assays described limits the development of a universal threshold...
November 15, 2023: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/37998910/mucosal-immunity-to-gut-fungi-in-health-and-inflammatory-bowel-disease
#20
REVIEW
Sean L Carlson, Liya Mathew, Michael Savage, Klaartje Kok, James O Lindsay, Carol A Munro, Neil E McCarthy
The gut microbiome is a diverse microbial community composed of bacteria, viruses, and fungi that plays a major role in human health and disease. Dysregulation of these gut organisms in a genetically susceptible host is fundamental to the pathogenesis of inflammatory bowel disease (IBD). While bacterial dysbiosis has been a predominant focus of research for many years, there is growing recognition that fungal interactions with the host immune system are an important driver of gut inflammation. Candida albicans is likely the most studied fungus in the context of IBD, being a near universal gut commensal in humans and also a major barrier-invasive pathogen...
November 14, 2023: Journal of Fungi (Basel, Switzerland)
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