s mitis atcc 49456 (ATCC)

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ATCC s mitis atcc 49456
Inhibition of bacterial growth by S. salivarius K12 as determined by the simultaneous antagonism test.

S Mitis Atcc 49456, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 330 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/s+mitis+atcc/Streptococcus+mitis+Andrewes+and+Horder+emend%2E+Judicial+Commission/pmc13642219-44-16-18
Average 99 stars, based on 330 article reviews

s mitis atcc 49456 - by Bioz Stars, 2026-10

99/100 stars

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1) Product Images from "Impact of Streptococcus salivarius K12 probiotic on pH and tooth enamel integrity in an in vitro oral biofilm system"

Article Title: Impact of Streptococcus salivarius K12 probiotic on pH and tooth enamel integrity in an in vitro oral biofilm system

Journal: Frontiers in Oral Health

doi: 10.3389/froh.2026.1893799

Figure Legend Snippet: Inhibition of bacterial growth by S. salivarius K12 as determined by the simultaneous antagonism test.

Techniques Used: Inhibition

Cell Culture:

Article Title: Tyrosine tRNA synthetase as a novel extracellular immunomodulatory protein in Streptococcus anginosus.
Article Snippet: Streptococcus anginosus is frequently detected in patients with infective endocarditis, abscesses or oral cancer.. Although S. anginosus is considered the causative pathogen of these diseases, the pathogenic mechanisms of the bacterium have remained unclear.. Previously, we suggested that an extracellular antigen from S. anginosus (SAA) serves as a pathogenic factor by inducing nitric oxide production in murine macrophages.

Tandem Mass Spectroscopy:

Article Title: Phosphatidylcholine Biosynthesis in Mitis Group Streptococci via Host Metabolite Scavenging
Article Snippet: Phosphatidylcholine (PC) species in S. mitis ATCC 49456. .. A) S. mitis ATCC 93 49456, B) MS/MS daughter ion fragmentation of PC (34:1) m/z 760.6 in SM43. ..

Bacteria:

Article Title: The pH-Responsive Property of Antimicrobial Peptide GH12 Enhances Its Anticaries Effects at Acidic pH.
Article Snippet: Dental caries is closely related to the acidification of the biofilms on the tooth surface, in which cariogenic bacteria bring about a dramatic pH decrease and disrupt remineralisation equilibrium upon the fermentation of dietary sugars.. Thus, approaches targeting the acidified niches with enhanced anticaries activities at acidic pH are highly desirable.. In our previous study, a cationic amphipathic α-helical antimicrobial peptide GH12 (Gly-Leu-Leu-Trp-His-Leu-Leu-His-HisLeu-Leu-His-NH2) was designed with good stability, low cytotoxicity, and excellent antibacterial effects.

Quantitative RT-PCR:

Article Title: Key virulence genes associated with Streptococcus mutans biofilm formation: a systematic review
Article Snippet: .. ( ) , Natural flavone luteolin , S. mutans ATCC 25,175, S. sanguinis ATCC 10,556, S. gordonii ATCC 10,558, S. mitis ATCC 49,456, S. oralis ATCC 35,037 , Brain Heart Infusion (BHI) broth , spaP , , , qRT-PCR of S. mutans biofilms treated with 25 μg/ml luteolin for 24 h was performed, with RNA extracted using TRIzol and cDNA synthesized using the GoScriptTM Reverse Transcriptase system. Gene expression was normalized to 16S rRNA, and mRNA levels were quantified using the FastStart Universal SYBR Green Master and analyzed with the 2− ΔΔ Ct method. , Luteolin downregulated key virulence genes (gbpC, spaP, gtfBCD, ftf), which led to reduced production of surface adhesins and extracellular polysaccharides (EPS), and interfered with glucosyltransferases (Gtfs), decreasing the synthesis of water-insoluble glucans. ..

Synthesized:

Reverse Transcription:

Gene Expression:

SYBR Green Assay:

Inhibition:

Article Title: A Strain of Streptococcus mitis Inhibits Biofilm Formation of Caries Pathogens via Abundant Hydrogen Peroxide Production
Article Snippet: .. To confirm the role of S. mitis ATCC 49456 H 2 O 2 production in the growth inhibition of S. mutans , we first confirmed that addition of 100 U mL -1 catalase to the growth medium, as well as mutation of the pyruvate oxidase gene ( spxB ) in S. mitis ATCC 49456, almost eliminated the amount of detectable H 2 O 2 production in the recovered culture supernatant ( ) . .. We then tested these conditions in a coculture CV biofilm assay between S. mutans and S. mitis ATCC 49456 ( ) .

Article Title: A strain of Streptococcus mitis inhibits biofilm formation of caries pathogens via abundant hydrogen peroxide production
Article Snippet: .. To confirm the role of S. mitis ATCC 49456 H 2 O 2 production in the growth inhibition of S. mutans , we first confirmed that addition of 100 U/mL catalase to the growth medium, as well as mutation of the pyruvate oxidase gene ( spxB ) in S. mitis ATCC 49456, reduced the amount of detectable H 2 O 2 production in the recovered culture supernatant ( ). ..

Mutagenesis:

other:

Article Title: Prunus mume extract exhibits antimicrobial activity against pathogenic oral bacteria
Article Snippet: CHAMIDA J. SENEVIRATNE, RICKY W. K. WONG, URBAN HÄGG, YONG CHEN, THANUJA D. K. HERATH, P. LAKSHMAN SAMARANAYAKE & RICHARD KAO Department of Oral Biosciences, Faculty of Dentistry, The University of Hong Kong, Biomedical and Tissue Engineering Research Group, Faculty of Dentistry, The University of Hong Kong, and Department of Microbiology Li Ka Shing Faculty of Medicine, The University of Hong Kong

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