ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]2013
Characteristics of Saccharomyces cerevisiae yeasts exhibiting rough colonies and pseudohyphal morphology with respect to alcoholic fermentation.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
- Isolation, characterization, and molecular identification ofJournal of advanced veterinary and animal research · 2026Article
- Evaluation of Stress Tolerance and Fermentation Performance in Commercial Yeast Strains for Industrial Applications.Foods (Basel, Switzerland) · 2025Article
- Production of bioethanol from sweet sorghum [Sorghum bicolor L.] juice using yeast isolated from fermented sweet sorghum juice.International microbiology : the official journal of the Spanish Society for Microbiology · 2024Article
- Engineering natural isolates of Saccharomyces cerevisiae for consolidated bioprocessing of cellulosic feedstocks.Applied microbiology and biotechnology · 2023Article
- ImprovingHeliyon · 2023Article
- Caffeine-tolerant mutations selected through an at-home yeast experimental evolution teaching lab.bioRxiv : the preprint server for biology · 2023Article
- Caffeine-tolerant mutations selected through an at-home yeast experimental evolution teaching lab.microPublication biology · 2023Article
- Genome-wide CRISPR-Cas9 screen reveals a persistent null-hyphal phenotype that maintains high carotenoid production in Yarrowia lipolytica.Biotechnology and bioengineering · 2022Article
- Improvement of Sourdough and Bread Qualities by Fermented Water of Asian Pears and Assam Tea Leaves with Co-Cultures ofFoods (Basel, Switzerland) · 2022Article
- Purification of Bioactive Peptide with Antimicrobial Properties Produced byFoods (Basel, Switzerland) · 2020Article
- Interaction of 4-ethylphenol, pH, sucrose and ethanol on the growth and fermentation capacity of the industrial strain of Saccharomyces cerevisiae PE-2.World journal of microbiology & biotechnology · 2019Article
- Article
- Evaluating the probiotic and therapeutic potentials of Saccharomyces cerevisiae strain (OBS2) isolated from fermented nectar of toddy palm.AMB Express · 2017Article
- Ethanol production in Brazil: a bridge between science and industry.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2016Review
- Bioethanol strains of Saccharomyces cerevisiae characterised by microsatellite and stress resistance.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]Article
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4 authors.
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Abstract
Among the native yeasts found in alcoholic fermentation, rough colonies associated with pseudohyphal morphology belonging to the species Saccharomyces cerevisiae are very common and undesirable during the process. The aim of this work was to perform morphological and physiological characterisations of S. cerevisiae strains that exhibited rough and smooth colonies in an attempt to identify alternatives that could contribute to the management of rough colony yeasts in alcoholic fermentation. Characterisation tests for invasiveness in Agar medium, killer activity, flocculation and fermentative capacity were performed on 22 strains (11 rough and 11 smooth colonies). The effects of acid treatment at different pH values on the growth of two strains ("52"--rough and "PE-02"--smooth) as well as batch fermentation tests with cell recycling and acid treatment of the cells were also evaluated. Invasiveness in YPD Agar medium occurred at low frequency; ten of eleven rough yeasts exhibited flocculation; none of the strains showed killer activity; and the rough strains presented lower and slower fermentative capacities compared to the smooth strains in a 48-h cycle in a batch system with sugar cane juice. The growth of the rough strain was severely affected by the acid treatment at pH values of 1.0 and 1.5; however, the growth of the smooth strain was not affected. The fermentative efficiency in mixed fermentation (smooth and rough strains in the same cell mass proportion) did not differ from the efficiency obtained with the smooth strain alone, most likely because the acid treatment was conducted at pH 1.5 in a batch cell-recycle test. A fermentative efficiency as low as 60% was observed with the rough colony alone.
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