Construction of killer industrial yeast Saccharomyces cerevisiae HAU-1 and its fermentation performance
Open accessAbstract
Saccharomyces cerevisiae HAU-1, a time tested industrial yeast possesses most of the desirable fermentation characteristics like fast growth and fermentation rate, osmotolerance, high ethanol tolerance, ability to ferment molasses, and to ferment at elevated temperatures etc. However, this yeast was found to be sensitive against the killer strains of Saccharomyces cerevisiae. In the present study, killer trait was introduced into Saccharomyces cerevisiae HAU-1 by protoplast fusion with Saccharomyces cerevisiae MTCC 475, a killer strain. The resultant fusants were characterized for desirable fermentation characteristics. All the technologically important characteristics of distillery yeast Saccharomyces cerevisiae HAU-1 were retained in the fusants, and in addition the killer trait was also introduced into them. Further, the killer activity was found to be stably maintained during hostile conditions of ethanol fermentations in dextrose or molasses, and even during biomass recycling.
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Besides the engineering examples, only killer toxin activity has been extensively studied and transferred to new strains, mainly for biotechnological applications.
“Besides this, only killer toxin activity has been extensively studied and transferred to new strains; mainly for biotechnological applications (Bajaj and Sharma 2010; Bussey et al. 1988; Schmitt and Schernikau 1997).”
From Biocontrol yeasts: mechanisms and applications (2019) · cites this paper as Bajaj and Sharma 2010
Cites
Marquina, D., Santos, A., & Peinado, J. (2002) · International Microbiology · doi:10.1007/s10123-002-0066-z · Cited by 182 · see citing works
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Biocontrol yeasts: mechanisms and applications
Freimoser, F. M., Rueda-Mejia, M. P., Tilocca, B., & Migheli, Q. (2019) · World Journal of Microbiology and Biotechnology · doi:10.1007/s11274-019-2728-4 · Cited by 462 · see citing works
Yeast killer toxins, molecular mechanisms of their action and their applications
Liu, G.-L., Chi, Z., Wang, G.-Y., Wang, Z.-P., Li, Y., & Chi, Z.-M. (2015) · Critical Reviews in Biotechnology · doi:10.3109/07388551.2013.833582 · Cited by 111 · see citing works
Bajaj, B. K., Raina, S., & Singh, S. (2013) · Journal of Basic Microbiology · doi:10.1002/jobm.201200187 · Cited by 83 · see citing works
Self-citation
- Authors
- Bajaj, B. K., & Sharma, S.
- Affiliations
- University of Jammu (IN)
- Chaudhary Charan Singh Haryana Agricultural University (IN)
- Corresponding author
- Bajaj, Bijender K.
- ORCID
- Bajaj, Bijender K.
- Venue
- Brazilian Journal of Microbiology
- Publisher
- FapUNIFESP (SciELO)
- Published
- 2010-06
- Volume
- 41
- Issue
- 2
- Pages
- 477-485
- ISSN
- 1517-8382 (ISSN-L)
- PMC
- PMC3768693
- OpenAlex
- W2148949471
- Cited by
- 20
- References
- 1
- Citations by year
- 2026: 1 · 2024: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1 · 2017: 3 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 1 · 2012: 2
- FWCI
- 0.78
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by-nc
- Locations
- Brazilian Journal of Microbiology (publishedVersion, cc-by-nc)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Americanae (AECID Library) (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Council of Scientific and Industrial Research, India
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
- Life Sciences › Agricultural and Biological Sciences › Food Science › Fermentation and Sensory Analysis
- Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
- Keywords
- killer yeast, Saccharomyces cerevisiae, protoplast fusion, killer toxin, ethanol tolerance, molasses fermentation, distillery yeast, yeast strain construction, biomass recycling, osmotolerance
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