Cold-Adapted Basidiomycetous Yeasts as a Source of Biochemicals

Tasselli, Giorgia; Filippucci, Sara; Sannino, Ciro; Turchetti, Benedetta; Buzzini, Pietro

doi:10.1007/978-3-319-57057-0_24

Cited by 4 publications

(2 citation statements)

References 126 publications

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“…Research into these psychrotolerant yeasts should attract considerably increased attention in the near future due to their interesting biotechnological potential. They have previously been demonstrated to have the ability to synthesise cold‐active enzymes, as well as other important biochemicals such as cryoprotectant compounds (e.g., polysaccharides), lipids (e.g., triacylglycerols), and other miscellaneous compounds (e.g., carotenoids, currently widely used in medical, chemical, pharmaceutical, cosmetic, food, and feed industries due to their important biological properties; Tasselli, Filippucci, Sannino, Turchetti, & Buzzini, ). The possibility of obtaining a high‐quality dry preparation of these psychrotolerant yeasts also improves their biotechnological characteristics, as well as their potential applications.…”

Section: Resultsmentioning

confidence: 99%

Anhydrobiosis in yeasts: Psychrotolerant yeasts are highly resistant to dehydration

Khroustalyova

Giovannitti

Severini

et al. 2019

Yeast

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Yeast cells are able to transition into a state of anhydrobiosis (temporary reversible suspension of metabolism) under conditions of desiccation. One of the most efficient approaches for understanding the mechanisms underlying resistance to dehydrationrehydration is to identify yeasts, which are stable under such treatments, and compare them with moderately resistant species and strains. In the current study, we investigated the resistance to dehydration-rehydration of six psychrotolerant yeast strains belonging to two species. All studied strains of Solicoccozyma terricola and Naganishia albida were found to be highly resistant to dehydration-rehydration. The viability of S. terricola strains was close to 100%. Such results have not been previously reported in studies of anhydrobiosis in yeasts. The plasma membrane changes, revealed by determining its permeability under various rehydration conditions, were also surprisingly minimal. Thus, the high level of resistance of psychrotolerant yeast strains might be related to the chemical composition and molecular organisation of their plasma membranes. Aside from plasma membrane characteristics, other important factors may also influence the maintenance of yeast cell viability under conditions of dehydration-rehydration.

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Section: Resultsmentioning

confidence: 99%

Anhydrobiosis in yeasts: Psychrotolerant yeasts are highly resistant to dehydration

Khroustalyova

Giovannitti

Severini

et al. 2019

Yeast

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“…Asexual reproduction is by polar budding; sexual reproduction is by formation of teliospores that occur terminally and intercalarly ( Fell and Margesin 2011 ; Fell 2011 ). Mrakia species share a remarkable adaptation to low temperatures, in some case even below freezing point (Buzzini et al 2018; Yurkov et al 2020 ), by producing diverse extracellular cold-active enzymes such as lipases, amylases proteases, pectinases, cellulases, chitinases, and ligninolytic enzymes ( Tasselli et al 2017 ; Tsuji et al 2018 , 2019 ). These abilities have been applied to wastewater treatment and bioethanol production and low temperatures fermentation ( Tsuji et al 2013a , b ; De Francesco et al 2018 ).…”

Section: Introductionmentioning

confidence: 99%

Mrakia panshiensis sp. nov. a new member of the Cystofilobasidiales from soil in China, and description of the teleomorphic-stage of M. arctica

Zhang¹,

Shi²,

Chai³

et al. 2020

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In a study on the fungal diversity in Northeast China, twelve yeast isolates were obtained from soils collected in three provinces, Helongjiang, Jilin and Liaoning. Morphological assessment and phylogenetic analyses of the nuc rDNA internal transcribed spacer (ITS) region and the D1/D2 domains of the nuc 28S rDNA (nuc 28S) gene of the 12 cultures placed them in the genus Mrakia, namely Mrakia aquatica, Mrakia arctica, Mrakia frigida, Mrakia gelida and Mrakia robertii. A total of three isolates represented a hitherto undescribed species, which is described here as M. panshiensissp. nov. (MB 834813). The species M. panshiensissp. nov. shares several morphological characters with M. niccombsii, M. aquatica, M. fibulata and M. hoshinonis. These species can be distinguished based on physiological traits and pairwise rDNA sequence similarities. The study also describes for the first time the formation of teliospores by previously described M. arctica.

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Mrakia fibulata sp. nov., a psychrotolerant yeast from temperate and cold habitats

Yurkov

Sannino

Turchetti

2019

Antonie van Leeuwenhoek

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Cold-Adapted Basidiomycetous Yeasts as a Source of Biochemicals

Cited by 4 publications

References 126 publications

Anhydrobiosis in yeasts: Psychrotolerant yeasts are highly resistant to dehydration

Anhydrobiosis in yeasts: Psychrotolerant yeasts are highly resistant to dehydration

Mrakia panshiensis sp. nov. a new member of the Cystofilobasidiales from soil in China, and description of the teleomorphic-stage of M. arctica

Mrakia fibulata sp. nov., a psychrotolerant yeast from temperate and cold habitats

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