S. oligofermentans

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August undefined, 2024

WebSeveral growth conditions were examined in the model, namely: S. oligofermentans was inoculated 24 h before S. mutans or vice versa; the growth medium was supplemented with 0.2% sucrose or 0.4% glucose; biofilms were grown under a constantly neutral pH or pH-cycling condition, which included 8 h of neutral pH and 16 h of pH 5.5. WebDec 6, 2006 · Growth inhibition of S. mutans by S. oligofermentans. A. Inhibition assay on agar plate. Each 10 μl overnight culture of S. oligofermentans and S. mutans with the …

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WebMar 22, 2024 · The catalase-negative bacterium Streptococcus oligofermentans produces the highest H 2 O 2 levels reported to date, which has to be exported to avoid oxidative stress. Here, we report that a S. oligofermentans aquaporin functions as a peroxiporin facilitating bidirectional transmembrane H 2 O 2 transport. WebNov 25, 2013 · Streptococcus oligofermentans is a novel strain of oral streptococcus that can specifically inhibit the growth of Streptococcus mutans.The aims of this study were … portishead midi

Elucidating the Role and Structure–Activity Relationships of the

WebS. oligofermentans as responsible for this biological activity. Consequently, the lox mutant of S. oligofermentansalso showed dramatically reduced inhibitory effects against S. mutans and also exhib-ited greatly impaired growth in the presence of the lactate produced by S. mutans. These data indicate that S. oligofermentans possesses the ... WebDec 3, 2024 · To further explore S. oligofermentans’ potential as a biotherapeutic against S. mutans infection, lead QS activators and inhibitors were used in interspecies competition assays to assess the effect of QS modulation on interactions between these two species. WebOct 27, 2024 · S. oligofermentans suffers translation and growth repression under high concentrations of H 2 O 2. Given that tRNA precursor accumulation and mature tRNA decrease occurred in 0.5 mM H 2 O 2-treated S. oligofermentans cells, the effect of tRNA maturation defects on translation was examined using puromycin incorporation as an … optical green valley az

Factors Influencing the Competition between Streptococcus ...

Elucidating the Role and Structure-Activity Relationships of the

WebJun 20, 2013 · GENOME ANNOUNCEMENT. Streptococcus oligofermentans was first described in 2003 ().It is frequently isolated from healthy tooth surfaces of the human oral … WebMar 1, 2007 · S. oligofermentans can also produce H 2 O 2 from lactic acid through lactate oxidase [Tong et al., 2007] and less efficiently using L-amino acid oxidase enzymes. optical grating transducerWebpetitive advantages of S. oligofermentans over the caries patho-gen Streptococcus mutans. Of note, So-aqpA orthologs with the functionally important Phe-40 are present in all streptococci. Our work has uncovered an intrinsic, H 2 O 2-inducible bacterial peroxiporin that has a key physiological role in H 2 O 2 detoxifi-cation in S. oligofermentans. optical ground station

"WebS. oligofermentans was originally described in 2003 (Tong, Gao, & Dong, 2003). Rates of DNA–DNA reassociation were 72–100% between five strains of S. oligofermentans but were only 7–16% between S. oligofermentans and other … " - S. oligofermentans

S. oligofermentans

WebDec 17, 2024 · To further explore S. oligofermentans' potential as a biotherapeutic against S. mutans infection, lead QS activators and inhibitors were used in interspecies competition … WebStreptococcus oligofermentans is a newly characterized species belonging to the mitis group of oral streptococci. So far no correlation has been demonstrated between S. …

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WebMar 31, 2024 · To search the ScaR/PsaR ortholog in S. oligofermentans, scaR from S. gordonii (SGO_1816) was used as a probe to query the completed S. oligofermentans genome. A gene (I872_01020) annotated as “DtxR family manganese-dependent transcriptional regulator” was hit at a 73.8% identity with scaR.Similar to ScaR, this 25-kDa … WebMar 17, 2024 · The S. oligofermentans PerR possesses the structural Cys 4 Zn as well. Redox proteomics, redox Western blotting, and LC-MS/MS identification of the …

WebFeb 1, 2007 · In this study, a defined in vitro interspecies interaction assay was used to confirm that S.’oligofermentans possesses the capacity to convert its competitor's main … WebComplex interspecies interactions occur constantly between oral commensals and the opportunistic pathogen Streptococcus mutans in dental plaque. Previously, we showed that oral commensal Streptococcus oligofermentans possesses multiple enzymes for H2O2 production, especially lactate oxidase (Lox), allowing it to out-compete S. mutans. In this …

WebJun 20, 2013 · GENOME ANNOUNCEMENT. Streptococcus oligofermentans was first described in 2003 ().It is frequently isolated from healthy tooth surfaces of the human oral cavity ().S. oligofermentans not only produces large amounts of hydrogen peroxide (H 2 O 2), it also tolerates high concentrations of H 2 O 2; these characteristics enable it to … WebApr 21, 2012 · The 4-aminoantipyine (4-ATTP) method was used to measure the yield and the initial production rate of H 2 O 2 in S. oligofermentans. The inhibitory effect was enhanced when the bacteria were cultured with carbohydrates and under aerobic conditions, or when S. oligofermentans was inoculated earlier than S. mutans.

WebS. oligofermentans, a potent H 2 O 2 producer, is able to inhibit the growth of S. mutans at pH6 in deferred antagonism assays, which is quite surprising, since S. oligofermentans growth at pH6 is compromised to a much greater degree compared to S. mutans.

WebHowever, S. mutans tends to be more sensitive than Mitis group streptococci to H 2 O 2. The production of H 2 O 2 by S. oligofermentans also mediates competition with S. mutans and culture conditions that promote H 2 O 2 production give rise to the strongest inhibitory activities (Liu, Wu, et al., 2012). optical greece nyWeb开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 optical ground terminalWebAug 3, 2016 · Lactobacillus oligofermentans is an obligate heterofermentative lactic acid bacterium (LAB) that has been continuously detected in cold-stored modified atmosphere packaged (MAP) broiler meat products at the end of shelf life or spoilage stage [].Recently, it was also isolated from MAP ground beef [] and fermented Chinese vegetables [].In spoiled … portishead midwivesWebDec 3, 2024 · To further explore S. oligofermentans’ potential as a biotherapeutic against S. mutans infection, lead QS activators and inhibitors were used in interspecies competition … portishead mexicoWebJun 26, 2015 · Homeostasis of oral microbiota can be maintained through microbial interactions. Previous studies showed that Streptococcus oligofermentans, a non-mutans … optical ground wire manufacturerWebNov 1, 2006 · Introduction. Streptococcus oligofermentans is a newly characterized species belonging to the mitis group of oral streptococci (Tong et al., 2003).It was initially isolated from the dental plaques of carious-free humans in China. Epidemiological studies have not found any correlation between S. oligofermentans and dental caries, suggesting that this … optical ground wire cableWebS. oligofermentans, a potent H 2 O 2 producer, is able to inhibit the growth of S. mutans at pH6 in deferred antagonism assays, which is quite surprising, since S. oligofermentans … portishead mini bus