Cystofilobasidium josepaulonis sp. nov., a novel basidiomycetous yeast species

Zhu, Huibin; Wei, Xuyang; Liu, Xinzhan; Bai, Feng‐Yan

doi:10.1099/ijsem.0.005865

Cited by 3 publications

(3 citation statements)

References 22 publications

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“…In this study, we obtained 286 yeast species, including 140 ascomycetous and 146 basidiomycetous species associated with intertidal zones of China (Table S2). Boekhout et al (2022) summarized that at least 782 yeast species have been recorded from China recorded until 2020 and 49 additional yeast species were reported from China in the past three years (Gao et al, 2021;Shi et al, 2021;Chai et al, 2022a;Chai et al, 2022b;Chai et al, 2022c;Chu et al, 2022;Li et al, 2022;Wei et al, 2022;Chai et al, 2023;Liu et al, 2023;Qiao et al, 2023;Yu et al, 2023;Zhu et al, 2023a;Zhu et al, 2023b). The number of yeast species discovered in this study accounts for 34.7% in the total yeast species that have been found from China, indicating that there are abundant resources of culturable yeasts in the intertidal zones of China.…”

Section: Discussionmentioning

confidence: 51%

“…Compared to the studies on terrestrial environments, only limited studies focused on yeasts in marine environments in China. Yang et al (2011); Chi et al (2012); Zhu et al (2023a), andZhu et al (2023b) described some known and novel marine yeast species in diverse marine environments of China. Wang et al (2017) found one marine yeast strain which possesses the capability for biodiesel production from renewable feedstocks.…”

Section: Introductionmentioning

confidence: 99%

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Diversity and distribution of yeasts in intertidal zones of China

Zhu,

Han,

Guo

et al. 2023

Front. Mar. Sci.

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China has the second greatest extent of intertidal zones in the world. The intertidal zone is the most dynamic environments in the biosphere and potentially supports high biodiversity. Marine yeasts show excellent performance in various industrial, environmental and medical applications, however, the marine yeast diversity has rarely been studied in China. In this study, we collected 1241 samples including marine sediments, marine water, plants, and benthos at 161 GPS sites in different types of intertidal zones along the Chinese coastline from north to south. A total of 4436 strains were isolated from these samples using different methods and 286 species including 39 potential novel species were identified from these strains based on the internal transcribed spacer (ITS) region or the D1/D2 domain of the large subunit rRNA gene sequence analysis. The majority of the yeast species in different geographical locations belong to the five orders Serinales, Saccharomycetales, Tremellales, Sporidiobolales, and Pichiales. The yeast species diversity varied depending on sample types, depth of marine sediments, intertidal zone types and geographical locations. Mean annual temperature (MAT), salinity and pH had the greatest effect on the community structures of the yeasts isolated from the intertidal zones. This study represents one of the most comprehensive surveys of marine yeasts in China to date and provides a better understanding of marine yeast diversity and distribution.

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Section: Discussionmentioning

confidence: 51%

Section: Introductionmentioning

confidence: 99%

Diversity and distribution of yeasts in intertidal zones of China

Zhu,

Han,

Guo

et al. 2023

Front. Mar. Sci.

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“…Bai et al [69] found that Curvibasidium sp. Y231 showed optimal growth at 20 • C. The maximum growth temperature of Cystofilobasidium josepaulonis is 28 • C, and the optimal growth temperature is 17-20 • C [70]. Therefore, we speculated that rising temperatures were the main reason that led to the almost disappearance of Curvibasidium and Cystofilobasidium during 13 weeks of deterioration.…”

Section: Function Of Fungimentioning

confidence: 95%

Temporal Dynamics of Fungal Communities in Alkali-Treated Round Bamboo Deterioration under Natural Weathering

Han,

An,

et al. 2024

Microorganisms

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Microbes naturally inhabit bamboo-based materials in outdoor environments, sequentially contributing to their deterioration. Fungi play a significant role in deterioration, especially in environments with abundant water and favorable temperatures. Alkali treatment is often employed in the pretreatment of round bamboo to change its natural elastic and aesthetic behaviors. However, little research has investigated the structure and dynamics of fungal communities on alkali-treated round bamboo during natural deterioration. In this work, high-throughput sequencing and multiple characterization methods were used to disclose the fungal community succession and characteristic alterations of alkali-treated round bamboo in both roofed and unroofed habitats throughout a 13-week deterioration period. In total, 192 fungal amplicon sequence variants (ASVs) from six phyla were identified. The fungal community richness of roofed bamboo samples declined, whereas that of unroofed bamboo samples increased during deterioration. The phyla Ascomycota and Basidiomycota exhibited dominance during the entire deterioration process in two distinct environments, and the relative abundance of them combined was more than 99%. A distinct shift in fungal communities from Basidiomycota dominant in the early stage to Ascomycota dominant in the late stage was observed, which may be attributed to the increase of moisture and temperature during succession and the effect of alkali treatment. Among all environmental factors, temperature contributed most to the variation in the fungal community. The surface of round bamboo underwent continuous destruction from fungi and environmental factors. The total amount of cell wall components in bamboo epidermis in both roofed and unroofed conditions presented a descending trend. The content of hemicellulose declined sharply by 8.3% and 11.1% under roofed and unroofed environments after 9 weeks of deterioration. In addition, the contact angle was reduced throughout the deterioration process in both roofed and unroofed samples, which might be attributed to wax layer removal and lignin degradation. This study provides theoretical support for the protection of round bamboo under natural weathering.

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Seasonal Dynamics of Culturable Yeasts in Ornithogenically Influenced Soils in a Temperate Forest and Evaluation of Extracellular Enzyme Secretion in Tausonia pullulans at Different Temperatures

Glushakova,

Sharova,

Kachalkin

2024

JoF

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The culturable yeast communities in temperate forest soils under the ornithogenic influence were studied in a seasonal dynamic. To investigate the intense ornithogenic influence, conventional and “live” feeders were used, which were attached to trees in the forest and constantly replenished throughout the year. It was found that the yeast abundance in the soil under strong ornithogenic influence reached the highest values in winter compared to the other seasons and amounted to 4.8 lg (cfu/g). This was almost an order of magnitude higher than the minimum value of yeast abundance in ornithogenic soils determined for summer. A total of 44 yeast species, 21 ascomycetes and 23 basidiomycetes, were detected in ornithogenic soil samples during the year. These included soil-related species (Barnettozyma californica, Cyberlindnera misumaiensis, Cutaneotrichosporon moniliiforme, Goffeauzyma gastrica, Holtermanniella festucosa, Leucosporidium creatinivorum, L. yakuticum, Naganishia adeliensis, N. albidosimilis, N. globosa, Tausonia pullulans, and Vanrija albida), eurybionts (yeast-like fungus Aureobasidium pullulans, Debaryomyces hansenii, and Rhodotorula mucilaginosa), inhabitants of plant substrates and litter (Cystofilobasidium capitatum, Cys. infirmominiatum, Cys. macerans, Filobasidium magnum, Hanseniaspora uvarum, Metschnikowia pulcherrima, and Rh. babjevae) as well as a group of pathogenic and opportunistic yeast species (Arxiozyma bovina, Candida albicans, C. parapsilosis, C. tropicalis, Clavispora lusitaniae, and Nakaseomyces glabratus). Under an ornithogenic influence, the diversity of soil yeasts was higher compared to the control, confirming the uneven distribution of yeasts in temperate forest soils and their dependence on natural hosts and vectors. Interestingly, the absolute dominant species in ornithogenic soils in winter (when the topsoil temperature was below zero) was the basidiomycetous psychrotolerant yeast T. pullulans. It is regularly observed in various soils in different geographical regions. Screening of the hydrolytic activity of 50 strains of this species at different temperatures (2, 4, 10, 15 and 20 °C) showed that the activity of esterases, lipases and proteases was significantly higher at the cultivation temperature. Ornithogenic soils could be a source for the relatively easy isolation of a large number of strains of the psychrotolerant yeast T. pullulans to test, study and optimize their potential for the production of cold-adapted enzymes for industry.

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Cystofilobasidium josepaulonis sp. nov., a novel basidiomycetous yeast species

Cited by 3 publications

References 22 publications

Diversity and distribution of yeasts in intertidal zones of China

Diversity and distribution of yeasts in intertidal zones of China

Temporal Dynamics of Fungal Communities in Alkali-Treated Round Bamboo Deterioration under Natural Weathering

Seasonal Dynamics of Culturable Yeasts in Ornithogenically Influenced Soils in a Temperate Forest and Evaluation of Extracellular Enzyme Secretion in Tausonia pullulans at Different Temperatures

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