Intracellular pH Determination for the Study of Acid Tolerance of Lactic Acid Bacteria.
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DOI: 10.1007/978-1-4939-8907-2_4
Abstract: It is important to assess acid tolerance in lactic acid bacteria, particularly for probiotics, although it involves multiple mechanisms. Measuring the difference between intracellular and extracellular pH (ΔpH) using the fluorescent probe CFDA-SE is particularly… read more here.
Keywords: acid; tolerance lactic; tolerance; acid tolerance ... See more keywords
Microbial response to acid stress: mechanisms and applications
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DOI: 10.1007/s00253-019-10226-1
Abstract: Microorganisms encounter acid stress during multiple bioprocesses. Microbial species have therefore developed a variety of resistance mechanisms. The damage caused by acidic environments is mitigated through the maintenance of pH homeostasis, cell membrane integrity and… read more here.
Keywords: acid tolerance; biology; acid stress; response ... See more keywords
A multiple-step strategy for screening Saccharomyces cerevisiae strains with improved acid tolerance and aroma profiles
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DOI: 10.1007/s00253-020-10451-z
Abstract: Acid tolerance and aroma profile are crucial factors for wine production in Saccharomyces cerevisiae. However, most wine yeasts to date fail to endure low-pH environments, therefore resulting in problems such as lengthened fermentation and poor… read more here.
Keywords: saccharomyces cerevisiae; aroma; acid tolerance; step ... See more keywords
Genome shuffling improved acid-tolerance and succinic acid production of Actinobacillus succinogenes
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DOI: 10.1007/s10068-018-0505-z
Abstract: Succinic acid is widely applied to chemical, pharmaceutical, food, and agricultural industries. With the rapid development of these industries, a great demand of succinic acid is required. The acid-tolerance and succinic acid production of Actinobacillus… read more here.
Keywords: succinic acid; acid production; acid tolerance; genome shuffling ... See more keywords
Acid tolerance and morphological characteristics of five Weissella cibaria bacteriophages isolated from kimchi
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DOI: 10.1007/s10068-019-00723-4
Abstract: Five bacteriophages were isolated from kimchi with the hosts of two Weissella cibaria and acid-producing bacteria, and characterized for understanding Weissella phage. By transmission electron microscope, фWC51 and фWC52 belonged to the Myoviridae and фWC005,… read more here.
Keywords: bacteriophages isolated; acid tolerance; weissella cibaria; isolated kimchi ... See more keywords
Omics analysis of acetic acid tolerance in Saccharomyces cerevisiae
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DOI: 10.1007/s11274-017-2259-9
Abstract: Acetic acid is an inhibitor in industrial processes such as wine making and bioethanol production from cellulosic hydrolysate. It causes energy depletion, inhibition of metabolic enzyme activity, growth arrest and ethanol productivity losses in Saccharomyces… read more here.
Keywords: saccharomyces cerevisiae; omics analysis; acid tolerance; acetic acid ... See more keywords
In Vitro Properties of Potential Probiotic Indigenous Yeasts Originating from Fermented Food and Beverages in Taiwan
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DOI: 10.1007/s12602-020-09661-8
Abstract: Probiotics are live microorganisms that may be able to help prevent and treat some illnesses. Most probiotics on the market are bacterial, primarily Lactobacillus . Yeast are an inevitable part of the microbiota of various… read more here.
Keywords: bile salt; acid tolerance; salt acid; fermented food ... See more keywords
Effects of sub-minimum inhibitory concentrations of lemon essential oil on the acid tolerance and biofilm formation of Streptococcus mutans.
Sign Up to like & getrecommendations! Published in 2018 at "Archives of oral biology"
DOI: 10.1016/j.archoralbio.2017.12.028
Abstract: OBJECTIVES Lemon essential oil (LEO) is a kind of secondary metabolite from lemon peels and has been found to inhibit cariogenic bacteria for decades. However, its effects on main cariogenic virulence factors are rarely reported.… read more here.
Keywords: acid tolerance; biofilm formation; tolerance biofilm; formation ... See more keywords
Overexpression of RCK1 improves acetic acid tolerance in Saccharomyces cerevisiae.
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DOI: 10.1016/j.jbiotec.2018.12.013
Abstract: Mixed sugars derived from lignocellulosic biomass can be converted into biofuels and chemicals by engineered microorganisms, but toxic fermentation inhibitors produced from harsh depolymerization processes of lignocellulosic biomass pose a critical challenge for economic production… read more here.
Keywords: rck1; overexpression; acid tolerance; fermentation ... See more keywords
An acid-tolerance response system protecting exponentially growing Escherichia coli
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DOI: 10.1038/s41467-020-15350-5
Abstract: The ability to grow at moderate acidic conditions (pH 4.0–5.0) is important to Escherichia coli colonization of the host’s intestine. Several regulatory systems are known to control acid resistance in E. coli, enabling the bacteria… read more here.
Keywords: coli; acid tolerance; tolerance response; system ... See more keywords
Plasticity of the Pyruvate Node Modulates Hydrogen Peroxide Production and Acid Tolerance in Multiple Oral Streptococci
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DOI: 10.1128/aem.01697-17
Abstract: ABSTRACT Commensal Streptococcus sanguinis and Streptococcus gordonii are pioneer oral biofilm colonizers. Characteristic for both is the SpxB-dependent production of H2O2, which is crucial for inhibiting competing biofilm members, especially the cariogenic species Streptococcus mutans.… read more here.
Keywords: production; acid tolerance; pyruvate node; h2o2 production ... See more keywords