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Transcriptomic analysis of a caffeine-resistant Saccharomyces cerevisiae strain obtained by evolutionary engineering

ABSTRACT: Transcriptomic analysis of a caffeine-resistant Saccharomyces cerevisiae strain obtained by evolutionary engineering

PROVIDER: PRJNA512032 | ENA |

REPOSITORIES: ENA

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Transcriptomic analysis of a caffeine-resistant Saccharomyces cerevisiae strain obtained by evolutionary engineering

Project description:A caffeine-resistant Saccharomyces cerevisiae mutant strain was obtained using an evolutionary engineering strategy based on successive batch cultivation at gradually increasing caffeine levels. The mutant strain Caf905-2 was selected at a caffeine concentration where its reference strain could not grow at all. Whole-genome transcriptomic analysis of Caf905-2 was performed with respect to its reference strain.

2018-12-28 | GSE124452 | GEO

Transcriptomic analysis of a nickel-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

2013-09-19 | GSE50985 | GEO

Transcriptomic analysis of a nickel-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:Nickel-resistant Saccharomyces cerevisiae mutant was obtained by evolutionary engineering. The reference strain which was used to select this nickel-resistant mutant could not grow even at 0.5 mM NiCl2 whereas this mutant was shown to be resistant upto 5.3 mM NiCl2 concentration. Whole-genome microarray analysis might be promising to identify the nickel resistance mechanisms in the yeast cells. The reference Saccharomyces cerevisiae strain and the nickel-resistant mutant were grown in minimal medium to an Optical Density (OD600) of 1.00 which correspond to the logarithmic growth phase of the yeast cells. Cultures were harvested and whole RNA isolation was carried out. The experiment was repeated three times.

2013-09-19 | E-GEOD-50985 | biostudies-arrayexpress

Transcriptomic analysis of silver-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:Silver-resistant Saccharomyces cerevisiae mutant was obtained by evolutionary engineering method. Briefly, genetic diversity in reference strain, CEN.PK.113-7D, was increased by ethyl methane sulfonate (EMS)-mutagenesis. The mutant population was passaged several times in gradually increasing silver stress. Several mutant individuals were selected from the final population. Among selected mutant individuals, one of them was much more resistant to silver stress than the reference strain, called as 2E. Whole-genome transcriptomic analysis was performed to identify the silver resistance mechanisms in the silver-resistant mutant strain.

2020-01-09 | GSE143335 | GEO

Transcriptomic analysis of an iron-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:Iron-resistant Saccharomyces cerevisiae mutant was obtained by evolutionary engineering selection strategy. The mutant obtained “M8FE” is much more resistant to iron stress than the reference strain which was used to select this mutant. Mutant can resist up to 35mM Iron* stress whereas the reference strain cannot. Whole-genome microarray analysis might be promising to identify the iron resistance mechanisms and stress response upon high levels of iron in the yeast cells. Iron-resistant mutant is also cross resistant to Cobalt, Chromium and Nickel but sensitive to Zinc. * refers to [NH4]2[Fe][SO4]2 and FeCl2.

2014-09-11 | GSE61317 | GEO

Transcriptomic analysis of a NaCl-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

2014-09-30 | GSE61903 | GEO

Transcriptomic analysis of an iron-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:Iron-resistant Saccharomyces cerevisiae mutant was obtained by evolutionary engineering selection strategy. The mutant obtained M-bM-^@M-^\M8FEM-bM-^@M-^] is much more resistant to iron stress than the reference strain which was used to select this mutant. Mutant can resist up to 35mM Iron* stress whereas the reference strain cannot. Whole-genome microarray analysis might be promising to identify the iron resistance mechanisms and stress response upon high levels of iron in the yeast cells. Iron-resistant mutant is also cross resistant to Cobalt, Chromium and Nickel but sensitive to Zinc. * refers to [NH4]2[Fe][SO4]2 and FeCl2. The reference Saccharomyces cerevisiae strain and the iron-resistant mutant were grown in minimal medium to an Optical Density (OD600) of 1.00 which correspond to the logarithmic growth phase of the yeast cells. Cultures were harvested and whole RNA isolation was carried out. The experiment was repeated three times.

2014-09-11 | E-GEOD-61317 | biostudies-arrayexpress

Transcriptomic analysis of a NaCl-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:NaCl-resistant Saccharomyces cerevisiae mutant was obtained by evolutionary engineering. EMS mutagenized culture was used as the initial population for the selection procedure. Gradually increasing levels of NaCl stress was applied through 40 successive batch cultivations. The reference strain could not grow even at 0.85 M NaCl whereas this mutant was shown to be resistant up to 1.45 M NaCl concentration. Whole-genome microarray analysis was used to identify the NaCl resistance mechanisms by comparing NaCl-resistant mutant strain and the reference strain in the absence of NaCl stress. The reference Saccharomyces cerevisiae strain and the NaCl-resistant mutant were grown in minimal medium to an Optical Density (OD600) of 1.00 which corresponds to the logarithmic growth phase of the yeast cells. Cultures were harvested and whole RNA isolation was carried out. The experiment was repeated three times.

2014-09-30 | E-GEOD-61903 | biostudies-arrayexpress

Transcriptomic analysis of silver-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

Project description:Transcriptomic analysis of silver-resistant Saccharomyces cerevisiae mutant obtained by evolutionary engineering

| PRJNA600055 | ENA

Physiological and Molecular Characterization of an Boron-Resistant Saccharomyces cerevisiae Strain Obtained by Evolutionary Engineering

Project description:One of the essential or beneficial micronutrient for plants and animals is boron that is an ultra-trace element. Although boron can inhibit the growth of Saccharomyces cerevisiae around 80 mM, it is also a growth supplement. However, little information is currently available regarding the molecular mechanisms and essentiality of boron. In this paper, the approach was to generate S. cerevisiae mutants with high boron resistance by using evolutionary engineering strategy that was previously applied successfully. Boron-resistant S. cerevisiae mutants were obtained and their phenotypic and physiological characteristics were determined. In order to identify the molecular mechanisms implicated in boron resistance, the whole transcriptomes and genome sequence analysis of wild type and one of the most resistant mutants were compared.

2023-02-07 | GSE224764 | GEO

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