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Artículos de revistas sobre el tema "Yeast fungi"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 30 de julio de 2024

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1

Bhattacharya, Somanon, Tejas Bouklas, and Bettina C. Fries. "Replicative Aging in Pathogenic Fungi." Journal of Fungi 7, no. 1 (December 25, 2020): 6. http://dx.doi.org/10.3390/jof7010006.

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Candida albicans, Candida auris, Candida glabrata, and Cryptococcus neoformans are pathogenic yeasts which can cause systemic infections in immune-compromised as well as immune-competent individuals. These yeasts undergo replicative aging analogous to a process first described in the nonpathogenic yeast Saccharomyces cerevisiae. The hallmark of replicative aging is the asymmetric cell division of mother yeast cells that leads to the production of a phenotypically distinct daughter cell. Several techniques to study aging that have been pioneered in S. cerevisiae have been adapted to study aging

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Sastrahidayat, Ika Rochdjatun, Chintya Ivana Situmorang, and Anton Muhibuddin. "Fungi in Rice Straw, Cane Straw, Maize Straw and Their Potential as Decomposer." SAINTEKBU 10, no. 1 (January 30, 2018): 39–54. http://dx.doi.org/10.32764/saintekbu.v10i1.161.

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Organic material decomposition is the reorganizing process of the organic material by microbes in the controlled circumstances. The microbes which were used in general such as fungi, bacteria or yeast. Aerobic yeasts is one of the microbes needs oxygen to work. Yeast was obtained by the exploration of the rice straw, maize straw and cane straw in Dau, Malang, East of Java. By the result of the microscopic exploration and observation through the microscope, it was obtained 9 yeast isolates and 3 fungi isolates. 2 yeast isolates and 1 fungi isolate from the rice straw, 2 yeast isolates and 1 fun

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3

Buck, James W., Marc-André Lachance, and James A. Traquair. "Mycoflora of peach bark: population dynamics and composition." Canadian Journal of Botany 76, no. 2 (February 1, 1998): 345–54. http://dx.doi.org/10.1139/b98-009.

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Yeasts and filamentous fungi associated with smooth (non-lenticel) and lenticel bark of young and scaffold branches of peach (Prunus persica (L.) Batsch) were monitored using bark washing and direct or impression plating techniques and scanning electron microscopy during potential Cystospora canker infection periods. Total populations of fungi were high in the fall but dropped in the winter and increased during the spring. Yeasts and yeast-like fungi predominated in the spring and fall samples. The principal yeasts were Basidiomycetes in the form genera Cryptococcus, Rhodotorula, and Sporobolo

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4

Payne, C., A. Bruce, and H. Staines. "Yeast and Bacteria as Biological Control Agents Against Fungal Discolouration of Pinus sylvestris Blocks in Laboratory-Based Tests and the Role of Antifungal Volatiles." Holzforschung 54, no. 6 (October 25, 2000): 563–69. http://dx.doi.org/10.1515/hf.2000.096.

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Summary This paper reports on the use of yeast as biological control agents against mould and blue-stain fungi in laboratory-based Pinus sylvestris sapwood wood block incubation tests. All 5 yeast isolates tested significantly reduced discolouration of wood surfaces by moulds and most were also effective against staining fungi. The 2 most promising yeast isolates also significantly reduced radial growth of selected mould and stain fungi in vitro solely through the liberation of volatile compounds. Five bacterial isolates were also tested for antagonism toward mould and stain fungi and were eff

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5

Hutchison, Leonard J., and G. L. Barron. "Parasitism of yeasts by lignicolous Basidiomycota and other fungi." Canadian Journal of Botany 74, no. 5 (May 1, 1996): 735–42. http://dx.doi.org/10.1139/b96-092.

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On water agar, hyphae of certain fungi are able to attack microcolonies and even solitary cells of yeasts belonging to the genera Candida, Cryptococcus, Pichia, Rhodotorula, and Sporidiobolus. The ability to attack yeasts is particularly common among the Basidiomycota and 100 of 195 isolates tested positive. In the Ascomycota and Deuteromycota, only 12 of 128 isolates tested positive. Two species of the Oomycota and 10 species of the Zygomycota tested negative. Two types of initial responses were recorded: (i) a chemotropic response in which directional hyphae are attracted to microcolonies or

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6

Szepietowski, Jacek C., Jolanta Węgłowska, Adam Reich, and Bronisława Walow. "Enhanced Enzymatic Activity of Yeast-like Fungi Responsible for Onychomycosis in Renal Transplant Recipients." International Journal of Biomedical Science 2, no. 1 (March 15, 2006): 30–34. http://dx.doi.org/10.59566/ijbs.2006.2030.

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Background: Renal transplant recipients (RTR) are regarded as a group especially predisposed to onychomycosis. The exact mechanism of increased frequency of onychomycosis in RTR is however not fully understood. Objectives: This study was undertaken to evaluate activity of hydrolitic enzymes of fungi most commonly causing fungal nail infections in RTR and to compare it with enzymatic activity of the same fungi isolated from lesional nails in immunocompetent patients. Material and methods: 28 strains of yeast-like fungi cultured from lesional nails in RTR and 25 strains of yeasts isolated from c

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7

Sorenson, W. G., J. Simpson, and J. Dutkiewicz. "Yeasts and yeast-like fungi in stored timber." International Biodeterioration 27, no. 4 (January 1991): 373–82. http://dx.doi.org/10.1016/0265-3036(91)90064-x.

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8

Tsuji, Masaharu, and Sakae Kudoh. "Soil Yeasts in the Vicinity of Syowa Station, East Antarctica: Their Diversity and Extracellular Enzymes, Cold Adaptation Strategies, and Secondary Metabolites." Sustainability 12, no. 11 (June 2, 2020): 4518. http://dx.doi.org/10.3390/su12114518.

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Antarctica is known as one of the harshest environments on Earth, with a frigid and dry climate. Soil yeasts living in such extreme environments can grow by decomposing organic compounds at sub-zero temperatures. Thus far, a list of lichen and non-lichen fungi isolated from the area near Syowa Station, the base of the Japanese Antarctic research expedition, has been compiled and a total of 76 species of fungi have been reported. Yeast, especially basidiomycete yeast, is the dominant fungus in Antarctica. This mini-review summarizes a survey of the yeast diversity in the soil of Eastern Ongul I

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9

Mendes, B., P. Urbano, C. Alves, J. Morais, N. Lapa, and J. S. Oliveira. "Fungi as environmental microbiological indicators." Water Science and Technology 38, no. 12 (December 1, 1998): 155–62. http://dx.doi.org/10.2166/wst.1998.0529.

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An evaluation of the mycological quality of the sand beaches of the Lisboa and Vale do Tejo coastal area in Portugal was undertaken in May-October 1994. The keratinolytic fungi, yeasts, potential pathogenic and allergic and/or environmental saprophytic fungi were analysed. The results for the yeast Candida were evaluated according to the “Proposed Guidelines for the Microbiological Quality of Sand”. The data showed good/satisfactory quality of the sand beaches for the genus Candida. The results indicate that the allergic and/or environmental saprophytic fungi were the most common in sand beach

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10

Aronova, N. V., N. V. Pavlovich, M. V. Tsymbalistova, M. V. Poleeva, A. S. Anisimova, S. O. Vodopyanov, and A. K. Noskov. "Species Diversity And Resistance Markers of <i>Candida</i> Yeasts In COVID Positive and COVID Negative Patients With Community-Acquired Pneumonia." Antibiotics and Chemotherapy 66, no. 7-8 (October 21, 2021): 38–44. http://dx.doi.org/10.37489/0235-2990-2021-66-7-8-38-44.

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Background. At the height of the novel coronavirus infection, the risk of fungal coinfection increases due to a decrease in the immune status of patients and massive antibacterial therapy, which leads to a complication in the course of the underlying disease and increases the risk of an unfavorable outcome. Therefore, it is necessary not only to identify all associates that cause the infectious process, but also to determine their sensitivity to antibacterial and antifungal drugs in order to select an adequate treatment regimen for a patient.The aim of the study was to investigate the species

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11

Brazhnikova, Yelena, Natalya Vedyashkina, Anel Omirbekova, Alla Goncharova, Lyudmila Ignatova, and Tatyana Karpenyuk. "Quantitative composition and taxonomic structure of endophytes of agricultural crops." BIO Web of Conferences 100 (2024): 02010. http://dx.doi.org/10.1051/bioconf/202410002010.

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Various vegetative organs of the studied crops yielded 320 isolates of cultivated forms of micromycetes, with a predominance of filamentous fungi (249 strains). The level of colonization by fungi varied widely, ranging from 6 to 40%. This indicator was lower for yeast, ranging from 2 to 12%. The isolation ratio of fungal strains ranged from 0.08 to 0.54, while yeast strains ranged from 0.02 to 0.2. The taxonomic composition of endophytic micromycetes complexes in the studied agrocultures included 7 genera of filamentous fungi (Penicillium, Aspergillus, Fusarium, Trichoderma, Beauveria, Metarhi

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12

Papp, László Attila, Enikő Horváth, Ferenc Peles, István Pócsi, and Ida Miklós. "Insight into Yeast–Mycotoxin Relations." Agriculture 11, no. 12 (December 19, 2021): 1291. http://dx.doi.org/10.3390/agriculture11121291.

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Fungal mycotoxins are secondary metabolites that can be present in green forage, hay, or silage. Consumption of contaminated plants or agricultural products can cause various animal and human diseases, which is why problems associated with mycotoxins have received particular attention. In addition, public pressure to produce healthy food and feed is also increasing. As the results of several surveys indicate that yeasts can decrease toxic effects by binding or converting secondary metabolites or control growth of harmful fungi, this article provides an overview of the yeast species that can ha

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13

Muhibuddin, Anton, Siti Fadhilah, Antok Wahyu Sektiono, Umi Kulsum Nur Qomariyah, Mazidatul Faizah, Ambar Susanti, and Sri Nurhatika. "Yeast from Epiphyte of Avocadoes to Control Colletotrichum gloesporioides Causing Antrachnose Disease." SAINTEKBU 10, no. 2 (July 23, 2018): 52–60. http://dx.doi.org/10.32764/saintekbu.v10i2.208.

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Anthracnose disease caused by Colletotrichum gloesporioides fungi is an important disease in avocado fruit during storage. An effective, cheap, and non-poisoned control method was required during storage to minimize chemical pesticide residues. This observation was aimed to select yeast with antagonistic ability from avocado epiphyte. Selected yeasts then tested their antagonist ability versus Colletotrichum gloesporioides, the fungi causing anthracnose disease, in vitro. Based on visual observation, microscopically and macroscopically, knowing that there were 3 yeast species isolated from gre

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14

Podgórska-Kryszczuk, Izabela, Ewa Solarska, and Monika Kordowska-Wiater. "Biological Control of Fusarium culmorum, Fusarium graminearum and Fusarium poae by Antagonistic Yeasts." Pathogens 11, no. 1 (January 11, 2022): 86. http://dx.doi.org/10.3390/pathogens11010086.

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The genus Fusarium is considered to be one of the most pathogenic, phytotoxic and toxin-producing group of microorganisms in the world. Plants infected by these fungi are characterized by a reduced consumer and commercial value, mainly due to the contamination of crops with mycotoxins. Therefore, effective methods of reducing fungi of the genus Fusarium must be implemented already in the field before harvesting, especially with alternative methods to pesticides such as biocontrol. In this study we identified yeasts that inhibit the growth of the pathogenic fungi Fusarium culmorum, F. graminear

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15

Hurtado-McCormick, S., L. Sánchez, J. Martínez, C. Calderón, D. Calvo, D. Narváez, M. Lemus, H. Groot, and M. Rodríguez Susa. "Fungi in biofilms of a drinking water network: occurrence, diversity and mycotoxins approach." Water Supply 16, no. 4 (February 24, 2016): 905–14. http://dx.doi.org/10.2166/ws.2016.024.

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Results showed that 75% of the analyzed samples in a drinking water network were positive for fungi, in a range of 1–3,000 CFU/mL. Identification resulted in nine species of fungi and four species of yeasts being listed: Bjerkandera, Penicillium, Paraconiothyrium, Paecilomyces, Debaryomyces, Rhodotorula and Cryptococcus. Although yeasts showed higher traceability than filamentous fungi, the fungal genus Penicillium had relevance by both traceability (six species) and its role in mycotoxin generation. From volatile organic compound (VOC) mycotoxins and extracts analysis from P. ochrochloron and

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16

Chen, Pei-Hua, and Jui-Yu Chou. "Screening and Identification of Yeasts Antagonistic to Pathogenic Fungi Show a Narrow Optimal pH Range for Antagonistic Activity." Polish Journal of Microbiology 66, no. 1 (March 30, 2017): 101–6. http://dx.doi.org/10.5604/17331331.1234997.

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Microbes have evolved ways of interference competition to gain advantage over their ecological competitors. The use of secreted antagonistic compounds by yeast cells is one of the prominent examples. Although this killer behavior has been thoroughly studied in laboratory yeast strains, our knowledge of the antagonistic specificity of killer effects in nature remains limited. In this study, yeast strains were collected from various niches and screened for antagonistic activity against one toxin-sensitive strain of Saccharomyces cerevisiae and three pathogenic fungi. We demonstrate that some str

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17

Wickner, Reed B., Herman K. Edskes, Marie-Lise Maddelein, Kimberly L. Taylor, and Hiromitsu Moriyama. "Prions of Yeast and Fungi." Journal of Biological Chemistry 274, no. 2 (January 8, 1999): 555–58. http://dx.doi.org/10.1074/jbc.274.2.555.

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18

Al-Qaysi, Safaa A. S., Noor M. Abdullah, M. R. Jaffer, and Zainab A. Abbas. "Biological Control of Phytopathogenic Fungi by Kluyveromyces marxianus and Torulaspora delbrueckii Isolated from Iraqi Date Vinegar." Journal of Pure and Applied Microbiology 15, no. 1 (February 19, 2021): 300–311. http://dx.doi.org/10.22207/jpam.15.1.23.

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Yeasts are distributed in all environments and have been reported as potential biocontrol agents against various phytopathogenic fungi. To investigate their enzymatic and biological activities, 32 yeasts were isolated from 15 date vinegar samples. Evaluation of the antagonistic activities of isolated yeasts against the plant pathogens Fusarium oxysporium, Sclerotinia sclerotiorum, and Macrophomina phaseolina indicated that there are two yeasts had the highest inhibitory effect against plant pathogens, these yeasts identified as Kluyveromyces marxianus and Torulaspora delbrueckii using traditio

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19

Henry-Stanley, Michelle J., and Carol L. Wells. "Viability and Versatility of the Yeast Cell." Microscopy Today 12, no. 3 (May 2004): 30–33. http://dx.doi.org/10.1017/s1551929500052135.

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Yeasts are single-celled eukaryotic microorganisms (generally about 5 to 10 microns in diameter) that divide by a budding process and are classified with the fungi. Yeast cells are ubiquitous in our environment and can be found on plants and in soil and water. Yeasts have considerable importance Ln industrial and agricultural settings,Saccharomyces cerevisiae(Figure 1) is also known as “bakers yeast” or “brewers yeast.” Specific strains of yeast are used to make pastries, bread, beer, ale, wine, distilled spirits, and industrial alcohol. In the paper industry,Candida utilisis used to break dow

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20

Dewi, Arinda Kusuma, Cahya Setya Utama, and Sri Mukodiningsih. "Kandungan Total Fungi Serta Jenis Kapang dan Khamir pada Limbah Pabrik Pakan yang Difermentasi dengan Berbagai Aras Starter ‘Starfung’." Jurnal Agripet 14, no. 2 (October 1, 2014): 102–6. http://dx.doi.org/10.17969/agripet.v14i2.1874.

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(Fungi’s total content, type of molds and yeasts on waste feed mill with various levels of ‘starfung’ starter) ABSTRACT. This research was conducted to processed the waste feed into a feed mill potentially probiotic functional seen a total of fungi, molds and yeasts and the types of protein biomass increase. The material used in the study were the starter starfung, distilled water and waste feed mill feed. The tools used in the study were an oven, thermometer, drying cabinets, pH meters, moisture meter grand. Research using Rancangan Acak Lengkap (RAL) is 4 treatments with 4 replications. The

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Raudabaugh, Daniel B., and M. Catherine Aime. "Culturable Diversity of Lichen-Associated Yeasts through Enrichment Strategies." Ecologies 4, no. 1 (March 2, 2023): 152–70. http://dx.doi.org/10.3390/ecologies4010012.

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Lichens are symbiotic partnerships between a filamentous fungus and a photosymbiotic “alga”. Studies show that lichens harbor endothallic fungi, but that some taxa have been difficult to isolate from the main filamentous thallus-forming fungus and other faster growing lichenicolous/endothallic fungi. Therefore, we aimed to develop and evaluate liquid yeast-enrichment strategies to (1) isolate lichen-associated yeasts in pure culture, and (2) determine the taxonomic placement and breadth of the diversity of culturable yeasts. Eighty-two lichen samples were collected and washed with distilled wa

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Tsarelunga, А. А., and Е. Yu Blagoveschenskaya. "Phylloplane as fungi habitat." Журнал общей биологии 84, no. 4 (July 1, 2023): 263–78. http://dx.doi.org/10.31857/s0044459623040073.

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As currently shown the phylloplane of different plants is actively colonized by yeasts and filamentous fungi of different taxonomic groups. The features of the leaf as a microhabitat are low humidity, susceptibility to mechanical effects of rain and wind, lack of nutrients on the surface, and high insolation, which causes the allocation of epiphytic fungi as a separate ecological group. Although the data vary from plant to plant, in general it can be said that basidial yeasts and such filamentous fungi as Alternaria, Epicoccum, Cladosporium, Phoma and Trichoderma are most commonly found on pla

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Biedukiewicz, Anna. "Yeast-like fungi isolated in students." Acta Mycologica 42, no. 1 (December 23, 2013): 141–49. http://dx.doi.org/10.5586/am.2007.015.

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The occurrence of yeast-like fungi in the most important infection portals of the respiratory system in 200 randomly chosen students of biology and veterinary medicine was examined. The students come into direct contact with plants and animals that may be colonised by fungi belonging to various systematic groups. Nine species of yeast-like fungi, including 7 species determined in the biologists, were recorded in the subjects. <em>Candida tropicalis</em> and <em>Candida albicans</em> were the most frequently isolated fungi. The greatest number of fungi was isolated from

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Georgescu, Ana-Maria, Viorica Maria Corbu, and Ortansa Csutak. "Molecular Basis of Yeasts Antimicrobial Activity—Developing Innovative Strategies for Biomedicine and Biocontrol." Current Issues in Molecular Biology 46, no. 5 (May 14, 2024): 4721–50. http://dx.doi.org/10.3390/cimb46050285.

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In the context of the growing concern regarding the appearance and spread of emerging pathogens with high resistance to chemically synthetized biocides, the development of new agents for crops and human protection has become an emergency. In this context, the yeasts present a huge potential as eco-friendly agents due to their widespread nature in various habitats and to their wide range of antagonistic mechanisms. The present review focuses on some of the major yeast antimicrobial mechanisms, their molecular basis and practical applications in biocontrol and biomedicine. The synthesis of kille

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Różański, Paweł, Brygida Ślaska, and Dorota Różańska. "Current status of prevalence of yeast-like fungi in the environment of horses bred in Poland / Aktualny status występowania grzybów drożdżopodobnych w środowisku hodowlanym koni w Polsce." Annals of Animal Science 13, no. 2 (March 1, 2013): 365–74. http://dx.doi.org/10.2478/aoas-2013-0016.

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AbstractThis study presents an analysis of the yeast-like fungi population in the healthy horses’ living environment. The study material was sampled from various elements and equipment of a stable. We compared the yeast-like fungi population from the breeding environment of five groups of horses (English Thoroughbred horses, Arabian horses, Polish Half-Bred horses, cold-blooded horses, and Hucul horses and Highland ponies). The samples were collected in the summer and winter period. The laboratory examination involved 260 samples and resulted in identification of yeast-like fungi belonging to

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van Dyk, M. S., E. van Rensburg, I. P. B. Rensburg, and N. Moleleki. "Biotransformation of monoterpenoid ketones by yeasts and yeast-like fungi." Journal of Molecular Catalysis B: Enzymatic 5, no. 1-4 (September 1998): 149–54. http://dx.doi.org/10.1016/s1381-1177(98)00024-1.

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Ejdys, Elżbieta, Joanna Michalak, and Katarzyna M. Szewczyk. "Yeast-like fungi isolated from indoor air in school buildings and the surrounding outdoor air." Acta Mycologica 44, no. 1 (December 23, 2013): 97–107. http://dx.doi.org/10.5586/am.2009.009.

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A total of 111 isolates of yeast-like fungi and yeasts belonging to 40 species of 19 genera were identified in indoor air and outdoor air. Only one species, <em>Kluyveromyces marxianus</em>, was recorded in both types of air and seasons (spring and autumn). <em>Kluyveromyces lactis</em> and <em>Yarrowia lipolytica</em>, a species having the greatest symbiotic abilities, dominated in indoor air and outdoor air, respectively. Intensely used rooms, especially those with limited access of air, have the broadest range of species of yeast-like fungi. A comparison

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Seco, M. N. P., A. K. M. Beltran, and M. A. O. Balendres. "First record of Hyphopichia burtonii isolated from the storage pest Sitophilus zeamais and its bioactivity against mycotoxigenic fungi." Hellenic Plant Protection Journal 17, no. 2 (July 1, 2024): 97–110. http://dx.doi.org/10.2478/hppj-2024-0009.

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Summary Corn weevil (Sitophilus zeamais) is one of the most destructive pests of corn seeds during storage. The weevil may be a vector of mycotoxigenic fungi or yeast contaminating seed lots. In this study, an unknown yeast species was isolated from corn weevils found in stored corn seeds. We hypothesized that this yeast had an antifungal activity thereby inhibiting growth of mycotoxigenic fungi in corn seeds. The yeast species was identified as Hyphopichia burtonii, using combined morphological and molecular assays, and its potential inhibitory activity was assessed in vitro (spread plate and

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Kondratiuk, T. O., T. V. Beregova, I. Yu Parnikoza, S. Y. Kondratyuk, and A. Thell. "Microscopic fungi of lithobiont communities of Argentine Islands Region: Data from the 22nd Ukrainian Antarctic Expedition." Acta Botanica Hungarica 62, no. 1-2 (March 2020): 49–68. http://dx.doi.org/10.1556/034.62.2020.1-2.5.

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The identification of the diversity of microscopic fungi of lithobiont communities of the Argentine Islands in specimens collected during the 22nd Ukrainian Antarctic Expedition was the purpose of this work. Samples of rock, soil, mosses and lichens of rock micro-habitats of “Crustose lichen sub-formation and fruticose lichen and moss cushion sub-formation” were used in the work. These samples were used for extracting and cultivation of filamentous fungi on dense nutrient media. Determination of physiological and biochemical characteristics and identification of yeast-like fungi were performed

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Gauthier, Gregory M. "Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival." Mediators of Inflammation 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/8491383.

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The thermally dimorphic fungi are a unique group of fungi within the Ascomycota phylum that respond to shifts in temperature by converting between hyphae (22–25°C) and yeast (37°C). This morphologic switch, known as the phase transition, defines the biology and lifestyle of these fungi. The conversion to yeast within healthy and immunocompromised mammalian hosts is essential for virulence. In the yeast phase, the thermally dimorphic fungi upregulate genes involved with subverting host immune defenses. This review highlights the molecular mechanisms governing the phase transition and recent adv

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Hasan, Akhmad Endang Zainal, Dimas Andrianto, Husnawati, Faisal Rahman, Nurliani Bermawie, Heddy Julistiono, and Eny Ida Riyanti. "ISOLATION AND ANTI-YEAST ACTIVITY OF SECONDARY METABOLITES OF SOURSOP LEAF ENDOPHYTIC FUNGI." Indonesian Journal of Applied Research (IJAR) 3, no. 1 (May 12, 2022): 56–66. http://dx.doi.org/10.30997/ijar.v3i1.184.

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This study aimed to isolate the endophytic fungi of soursop leaves that have the potential as anti-yeast. Soursop leaves were collected from 3 locations in West Java, Indonesia. The secondary metabolites produced by the endophytic fungi were extracted with ethyl acetate and tested for anti-yeast activity against Saccharomyces cerevisiae and Candida tropicalis. Profile of extracts contents characterization was carried out by using thin-layer chromatography (TLC). Twelve monoculture soursop leaves endophytic fungi isolates from Sukabumi (3 isolates), Cianjur (3 isolates), and Garut (6 isolates).

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Hegyi, Ádám István, Margot Otto, József Geml, Júlia Hegyi-Kaló, Adrienn Geiger, Richárd Golen, Adrienn Gomba-Tóth, and Kálmán Zoltán Váczy. "The origin of the particular aroma of noble rot wines: various fungi contribute to the development of the aroma profile of botrytised grape berries." OENO One 57, no. 3 (August 22, 2023): 165–76. http://dx.doi.org/10.20870/oeno-one.2023.57.3.7314.

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During noble rot (NR), B. cinerea, together with other filamentous fungi and yeasts, play a role in developing the unique aromatic profile of botrytised wines. To gain more insight into the latter, we generated metatranscriptomic data representing the four NR stages (I-IV) from the Tokaj wine region of Hungary over three months. Since previous research has indicated that the most prevalent filamentous fungi and yeast include Alternaria alternata, Botrytis cinerea, Epicoccum nigrum, Aureobasidium pullulans and Rhodotorula graminis, RNAseq reads were aligned to the latter species. A weighted gen

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Ho Tuan, Anh, Tu Pham Quang, Hanh Vu Van, and Anh Hoang Thi Ngoc. "IDENTIFICATION OF YEAST STRAINS AND FILAMENTOUS FUNGI IN THE HAI HAU TRADITIONAL ALCOHOL YEAST CAKE." Journal of Science Natural Science 69, no. 1 (March 2024): 80–89. http://dx.doi.org/10.18173/2354-1059.2024-0008.

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This study aims to determine the various strains of yeast and filamentous fungi in traditional alcohol yeast cake from Hai Hau district, Nam Dinh province. By traditional laboratory techniques such as isolation on YPD agar, observation of colony morphology as well as cell characteristics by microscopy, combined with molecular biology method to sequence ITS region 03 strains of yeast Saccharomyces cerevisiae CN1, CN2, and NM3 were identified: 01 pseudo-strain yeast Saccharomycopsis fibuligera NM02 and 01 strain of filamentous fungi Rhizopus microsporus NS04. The density of yeast strains culture

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Rikkinen, Jouko, and George O. Poinar. "Yeast-like fungi in Dominican amber." Karstenia 42, no. 2 (2002): 29–32. http://dx.doi.org/10.29203/ka.2002.384.

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Fokina, V. V., G. V. Sukhodolskaya, A. A. Shutov, and M. V. Donova. "Effect of Lower Fungi on Tacrolimus Biosynthesis (FK-506) by the Streptomyces tsukubensis VKM Ac-2618D Strain." Biotekhnologiya 35, no. 5 (2019): 42–50. http://dx.doi.org/10.21519/0234-2758-2019-35-5-42-50.

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The effect of inactivated yeast cells, cell components of yeast cells, and inactivated biomass of the lower fungi of various taxonomic positions on the immunosuppressant tacrolimus (FK-506) biosynthesis by Streptomyces tsukubensis VKM Ac-2618D has been studied. The fractions of soluble and insoluble components of yeast cells positively influenced the tacrolimus biosynthesis with its concentrations reaching 447.1±22.4 mg/L and 514.3±25.7 mg/L, respectively. Wherein, the insoluble cell components including cell walls and cytoplasmic membranes had a greater effect. The presence of the baker's yea

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Ejdys, Elżbieta, Maria Dynowska, Anna Biedunkiewicz, and Ewa Sucharzewska. "Diversity of yeast-like fungi and their selected properties in bioaerosol premises utility." Acta Mycologica 49, no. 1 (June 30, 2014): 23–30. http://dx.doi.org/10.5586/am.2014.002.

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A total of 69 isolates of yeasts were recorded in the indoor air of the school buildings: 43 in heated rooms and 26 in unheated rooms. Perfect stages prevailed. Fungi isolated in our study belonged to 39 species. These were mostly monospecific isolates although five two-species isolates were noted. Differences in the properties of physiological characters of fungi isolated in both study seasons were observed. As indoor and outdoor air does not mix during the heating season, a specific substrate for prototrophic, non-fermenting yeastlike fungi forms. Acid production allows fungi to dissolve ino

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Dąbrowski, Waldemar, Elżbieta Bogusławska-Wąs, and Elżbieta Daczkowska-Kozon. "Analysis of the Szczecin Lagoon waters fungi." Acta Mycologica 33, no. 1 (August 20, 2014): 101–8. http://dx.doi.org/10.5586/am.1998.009.

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Quantitative and qualitative analysis of the Szczecin Lagoon waters was carried out between April and December 1996. Changes in yeasts numbers of this particular estuary were found to be typical for the marinę and estuary waters with maximum concentration of yeast-like fungi in the summer season. Qualitative analysis of the isolated strains, proved <i>Rhodotorula glutinis</i> to be the most frequently isolated species at the three sampling sites, with <i>Candida coliculosa</i> dominating at the forth one.

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Mikluscak, Mark R., and Benjamin E. Dawson-Andoh. "Microbial colonizers of freshly sawn yellow-poplar (Liriodendron tulipifera L.) lumber in two seasons. Part 3: Yeasts." Holzforschung 59, no. 3 (May 1, 2005): 364–69. http://dx.doi.org/10.1515/hf.2005.060.

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AbstractThis is the final report on a study that examined the occurrence of three types of microorganisms (fungi, bacteria, and yeasts) on dead-stacked green yellow-poplar lumber in spring and summer of 2000. This paper reports on the abundance, identities, and diversity of yeasts isolated during the first 60 days of storage of the lumber immediately after sawing in each season. Yeasts made up 16% of the total microbial isolates (logncfu g−1) in the entire study. The predominant yeast isolate wasTrichosporon cutaneum, which accounted for 42% of all the yeasts identified. A great variety of yea

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PAL, SHEELA. "YEAST IN SOUTHWEST MONSOON RAINWATER." Fungal Territory 3, no. 3 (July 6, 2020): 4–8. http://dx.doi.org/10.36547/ft.2020.3.3.4-8.

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Strong evidence of the presence of bacteria and fungi in the tropospheric boundary layer is available in the literature. We report successful isolation of unique morphotypes of wild ascomycetous yeasts from rainwater samples collected directly in sterile containers, taking extreme care to avoid ambient contamination. Direct and quick visualization of fresh rainwater samples under a phase contrast microscope indicated the sporadic presence of yeast cells. Further confirmation of the presence of yeast was obtained by plating of rainwater on a medium with antibiotics to generate pure colonies. We

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Sineoky, S. P. "Prospects for the Use of Methylotrophic Yeast in the Creation of Industrial Producers of Feed Enzymes." Biotekhnologiya 35, no. 6 (2019): 12–20. http://dx.doi.org/10.21519/0234-2758-2019-35-6-12-20.

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In recent years, mycelial fungi have faced competition from recombinant yeast producers in the production of feed enzymes. An intensive study on genetic diversity identified yeast genes encoding feed enzymes the specific activity of which is much higher than that in mycelial fungi. In addition, these genes were expressed in yeast much more efficiently than in mycelial fungi. The use of yeast recombinant producers allowed expanding the production of a line of industrial enzymes with a significant reduction in their cost. The advantages of yeast producers of recombinant enzymes include the possi

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Allen, Tom W., Leon L. Burpee, and James W. Buck. "In vitro attachment of phylloplane yeasts to Botrytis cinerea, Rhizoctonia solani, and Sclerotinia homoeocarpa." Canadian Journal of Microbiology 50, no. 12 (December 1, 2004): 1041–48. http://dx.doi.org/10.1139/w04-100.

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The ability of yeasts to attach to hyphae or conidia of phytopathogenic fungi has been speculated to contribute to biocontrol activity on plant surfaces. Attachment of phylloplane yeasts to Botrytis cinerea, Rhizoctonia solani, and Sclerotinia homoeocarpa was determined using in vitro attachment assays. Yeasts were incubated for 2 d on potato dextrose agar (PDA) prior to experimentation. A total of 292 yeasts cultured on PDA were screened for their ability to attach to conidia of B. cinerea; 260 isolates (89.1%) attached to conidia forming large aggregates of cells, and 22 isolates (7.5%) weak

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Korniłłowicz, Teresa. "The dynamics of quantitative changes of mycoflora in two lakes differing in trophicity (Poland). II." Acta Mycologica 29, no. 2 (August 20, 2014): 159–68. http://dx.doi.org/10.5586/am.1994.016.

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It was demonstrated that waters of the mesotrophic lake undergoing accelerated eutrophication had a higher number of yeast fungi in comparison with the waters of an eutrophic lake. The greatest concentration of yeasts occurred in the littoral zone supplied with soil organic matter as well as in the waters of metha- and hypolimnion distinguished by a high pbytoplankton activity Filamentous fungi concentrated most numerously in the coastal and surface waters of both lakes. However. they did not show any distinct relationship with the trophicity of the reservoir. The maximum numbers of yeasts and

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Mašková, Zuzana, Vladimíra Kňazovická, Veronika Mančíková, Dana Tančinová, and Zuzana Barboráková. "Monitoring of microscopic fungi community in selected bee products." Potravinarstvo Slovak Journal of Food Sciences 14 (November 28, 2020): 1105–14. http://dx.doi.org/10.5219/1405.

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Honey is a remarkably complex food with a valued place in the human diet. An important indicator of its quality is the presence of microorganisms. This study aimed to monitor the mycological quality of 27 samples of Slovak kinds of honey and honey products with the addition of differently processed blueberries, cranberries, and red currants. Yeast and filamentous microscopic fungi were monitored using the plate dilution method. A total of 21 samples (78%) were positive for the presence of yeasts and 14 samples (52%) were positive for the filamentous microscopic fungi occurrence. In 6 samples (

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Repečkienė, J., L. Levinskaitė, A. Paškevičius, and V. Raudonienė. "Toxin-producing fungi on feed grains and application of yeasts for their detoxification." Polish Journal of Veterinary Sciences 16, no. 2 (June 1, 2013): 391–93. http://dx.doi.org/10.2478/pjvs-2013-0054.

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Abstract The research deals with the contamination of feeding crops with fungi, producing mycotoxins and use of selected yeasts for detoxification. The thin-layer chromatography and ELISA methods were applied for the analysis of fungal secondary metabolites. The results showed a high rate of the grain contamination with fungi, mainly from genera Penicillium, Fusarium, Aspergillus and Alternaria. Some of the fungal strains produced 6-9 toxic compounds. The novelty of the study was the application of the yeast strains in detoxification of aflatoxins, zearalenon and deoxynivalenol in feed.

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Mikes, J., M. Siglova, A. Cejkova, J. Masak, and V. Jirku. "The influence of heavy metals on the production of extracellular polymer substances in the processes of heavy metal ions elimination." Water Science and Technology 52, no. 10-11 (November 1, 2005): 151–56. http://dx.doi.org/10.2166/wst.2005.0689.

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Wastewaters from a chemical industry polluted by heavy metal ions represent a hazard for all living organisms. It can mean danger for ecosystems and human health. New methods are sought alternative to traditional chemical and physical processes. Active elimination process of heavy metals ions provided by living cells, their components and extracellular products represents a potential way of separating toxic heavy metals from industrial wastewaters. While the abilities of bacteria to remove metal ions in solution are extensively used, fungi have been recognized as a promising kind of low-cost a

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Nout, M. J. R., C. E. Platis, and D. T. Wicklow. "Biodiversity of yeasts from Illinois maize." Canadian Journal of Microbiology 43, no. 4 (April 1, 1997): 362–67. http://dx.doi.org/10.1139/m97-050.

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Microflora in wound sites of preharvest maize (including bacteria, yeasts, and filamentous fungi) may play a role in attracting insects to maize plants and may also interact with growth and mycotoxin production by filamentous fungi. As little data are available about the yeasts occurring on maize from the U.S. corn belt, samples of milled maize from experimental plantings at the University of Illinois River Valley Sand Field were analyzed. Yeast counts showed slight yearly fluctuation and varied between 3.60 and 5.88 (log cfu/g maize). The majority of the yeasts were Candida guilliermondii (ap

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Terekhova, Valeria E., and Natalia L. Bel’Kova. "Prospects of studies on the yeast flora of sturgeons for monitoring of their state in aquaculture." Izvestiya TINRO 189, no. 2 (June 30, 2017): 171–76. http://dx.doi.org/10.26428/1606-9919-2017-189-171-176.

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Seasonal changes in abundance and species composition of the yeast flora from organs of juvenile sturgeons were traced during their growing in the warm-water ponds of Luchegorsk Research Station of the Pacific Fish. Res. Centre (TINRO) in 2008-2009. The fungal community of the sturgeons was represented by whey, brewers, and wine yeasts, mostly with probiotic properties. Naganishia albida, Papiliotrema laurentii, Saccharomyces cerevisiae, Trichomonascus ciferrii , and fungi of the genus Candida were found in the intestines and gills of kaluga and siberian sturgeon juveniles, but they came from

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Rogers, Jack D., G. S. de Hoog, M. T. Smith, and A. C. M. Weijman. "The Expanding Realm of Yeast-like Fungi." Mycologia 81, no. 2 (March 1989): 329. http://dx.doi.org/10.2307/3759723.

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Isaeva, O. V., A. M. Glushakova, S. A. Garbuz, A. V. Kachalkin, and I. Yu Chernov. "Endophytic yeast fungi in plant storage tissues." Biology Bulletin 37, no. 1 (February 2010): 26–34. http://dx.doi.org/10.1134/s1062359010010048.

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Kondratiuk, T., T. Akulenko, T. Beregova, and L. Ostapchenko. "MICROORGANISMS, PERSPECTIVE FOR BIOTECHNOLOGY, MEDICINE, ENVIRONMENTAL TECHNOLOGIES, IN THE COLLECTION OF MICROSCOPIC FUNGI ESC "INSTITUTE OF BIOLOGY AND MEDICINE", TARAS SHEVCHENKO NATIONAL UNIVERSITY OF KYIV." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 73, no. 1 (2017): 31–36. http://dx.doi.org/10.17721/1728_2748.2017.73.31-36.

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Analysis of the current state (composition) of collection of live cultures of microscopic fungi, which is part of the "Culture Collection of Fungi at Taras Shevchenko National University of Kyiv" (WDCM 1000) is provided. The collection including 530 isolates contains microscopic (filamentous and yeast like) fungi belonging to divisions Zygomycota, Basidiomycota (yeast fungi of the genus Rhodotorula), Ascomycota and of the Anamorphic fungi group, which is the largest on the number of genera and species of microscopic fungi. In 2014-2016 years collection was replenished by isolates of microorgan

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