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Torulaspora delbrueckii

ABSTRACT: Yeast used for the production of wine and wheat beer

PROVIDER: PRJNA80633 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR13486000.fastq.gz	Fastqsanger.gz
	SRR13486001_1.fastq.gz	Fastqsanger.gz
	SRR13486001_2.fastq.gz	Fastqsanger.gz
	SRR13486002_1.fastq.gz	Fastqsanger.gz

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Array CGH of interspecific hybrid yeasts using multi-species array platform

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Orc1 and Kos3 ChIP-seq in Torulaspora delbrueckii

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Orc1, Orc2 and Orc4 ChIP-seq in Torulaspora delbrueckii

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The use of Torulaspora delbrueckii to improve malolactic fermentation.

Project description:The potential use of Torulaspora delbrueckii as a starter culture for wine alcoholic fermentation has become a subject of interest in oenological research. The use of this non-Saccharomyces yeast can modulate different wine attributes, such as aromatic substances, organic acids and phenolic compound compositions. Thus, the obtained wines are different from those fermented with Saccharomyces cerevisiae as the sole starter. Nevertheless, information about the possible effects of T. delbrueckii chemical modulation on subsequent malolactic fermentation is still not fully explained. In general, T. delbrueckii is related to a decrease in toxic compounds that negatively affect Oenococcus oeni and an increase in others that are described as stimulating compounds. In this work, we aimed to compile the changes described in studies using T. delbrueckii in wine that can have a potential effect on O. oeni and highlight those works that directly evaluated O. oeni performance in T. delbrueckii fermented wines.

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Differential gene expression in high and low sulfide-producing yeast strains during wine fermentation

Project description:Comparison between two commercial wine yeast strains (UCD522 and P29) differing in their production of H2S during wine fermentation.

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Regulation of salt tolerance by Torulaspora delbrueckii calcineurin target Crz1p.

Project description:Recently, the academic interest in the yeast Torulaspora delbrueckii has increased notably due to its high resistance to several types of stress, including salt and osmotic imbalance. However, the molecular mechanisms underlying these unusual properties are poorly understood. In Saccharomyces cerevisiae, the high-salt response is mediated by calcineurin, a conserved Ca(2+)/calmodulin-modulated protein phosphatase that regulates the transcriptional factor Crz1p. Here, we cloned the T. delbrueckii TdCRZ1 gene, which encodes a putative zinc finger transcription factor homologue to Crz1p. Consistent with this, overexpression of TdCRZ1 enhanced the salt tolerance of S. cerevisiae wild-type cells and suppressed the sensitivity phenotype of cnb1Delta and crz1Delta mutants to monovalent and divalent cations. However, T. delbrueckii cells lacking TdCrz1p showed phenotypes distinct from those previously observed in S. cerevisiae crz1Delta mutants. Quite remarkably, Tdcrz1-null cells were insensitive to high Na(+) and were more Li(+) tolerant than wild-type cells. Clearly, TdCrz1p was not required for the salt-induced transcriptional activation of the TdENA1 gene, encoding a putative P-type ATPase homologue to the main S. cerevisiae Na(+) pump ENA1. Furthermore, T. delbrueckii cells were insensitive to the immunosuppressive agents FK506 and cyclosporine A, both in the presence and in the absence of NaCl. Signaling through the calcineurin/Crz1 pathway appeared to be essential only on high-Ca(2+)/Mn(2+) media. Hence, T. delbrueckii and S. cerevisiae differ in the regulatory circuits and mechanisms that drive the adaptive response to salt stress.

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Genome Sequence of Torulaspora delbrueckii NRRL Y-50541, Isolated from Mezcal Fermentation.

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