lysin/dental caries

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GreinarKlínískar rannsóknirEinkaleyfi

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[Important suggestions for further caries studies. The role of lysin in the cariogenicity of the saccharides].

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Activity of the Chimeric Lysin ClyR against Common Gram-Positive Oral Microbes and Its Anticaries Efficacy in Rat Models.

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Dental caries is a common disease caused by oral bacteria. Streptococcus mutans and Streptococcus sobrinus are the primary cariogenic microbes that often survive as biofilms on teeth. In this study, we evaluated the activity of ClyR, a well-known chimeric lysin with extended streptococcal host

Autoradiographic and morphological investigations on the uptake and incorporation of tritiated lysin by acanthocephalans.

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Four palaeacanthocephalans and two eoacanthocephalans from fish were autoradiographically investigated for their in vitro uptake of tritiated lysin. All worms took up the labelled amino acid at their surface without showing a species-specific pattern. The tegument of the metasoma was more heavily

Effects of a Chimeric Lysin against Planktonic and Sessile Enterococcus faecalis Hint at Potential Application in Endodontic Therapy.

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Enterococcus faecalis is a commensal opportunistic pathogen found in the intestine, mouth, and vaginal tract of humans. As an invasive pathogen in the oral cavity, E. faecalis is one of the leading causes of periapical endodontic lesions. However, due to the strong biofilm-forming capacity and

Selective pressure causes an RNA virus to trade reproductive fitness for increased structural and thermal stability of a viral enzyme.

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The modulation of fitness by single mutational substitutions during environmental change is the most fundamental consequence of natural selection. The antagonistic tradeoffs of pleiotropic mutations that can be selected under changing environments therefore lie at the foundation of evolutionary

Transcriptome analysis of bacteriophage communities in periodontal health and disease.

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BACKGROUND The role of viruses as members of the human microbiome has gained broader attention with the discovery that human body surfaces are inhabited by sizeable viral communities. The majority of the viruses identified in these communities have been bacteriophages that predate upon cellular

Changes in the spermatozoon during fertilization in Hydroides hexagonus (Annelida). I. Passage of the acrosomal region through the vitelline membrane.

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In the previous paper the structure of the acrosomal region of the spermatozoon was described. The present paper describes the changes which this region undergoes during passage through the vitelline membrane. The material used consisted of moderately polyspermic eggs of Hydroides hexagonus,

[HISTOLOGYCAL AND HISTOCHEMICAL CHARACTERISTICS OF AREOLAE IN THE PIG PLACENTA].

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Rounded white lustreless dome-shaped wheels are detected by visually from allantochorion side in the in fetal areas epiteliochorial pig's placenta on day 30 of pregnancy. These structures are located over the opening of the uterine glands. Areolaes consist from maternal and foetal parts. Areola

[Studies on fibrinolysis and ascites accumulation associated with peritonitis carcinomatosa--effects of protease inhibitors (PI) on MM2 ascites tumor growth, ascites accumulation and fibrinolysis].

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The effects of protease inhibitors(PI), t-AMCHA, gabexate, aprotinin and heparin on the growth of mouse MM2 ascites tumor (MAT) and on several components of fibrinolysis were studied. The drugs were administered intraperitoneally one time daily for 12 days, one day after the tumor transplant. The

A trypsin-like oviducal proteinase involved in Bufo arenarum fertilization.

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When the jelly-less eggs removed from the most cephalic region of the oviduct (pars recta) of the toad Bufo arenarum were inseminated at a high sperm concentration, high frequencies of fertilization were obtained. On the other hand, control eggs removed from the pleuroperitoneal cavity (coelomic

[Immunological aspects of the effects of low-dose gamma irradiation: nonspecific factors of protection and immunological reactivity of poultry].

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The low doses of gamma-irradiation activate the factors of nonspecific protection of the poultry organisms. There is the rise of antimicrobial characteristics of skin and mucous membrane of oral cavity of bactericide ability of blood serum due to increased content of lysozyme, beta-lysin and number

The use of bacteriophages to biocontrol oral biofilms.

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Infections induced by oral biofilms include caries, as well as periodontal, and peri-implant disease, and may influence quality of life, systemic health, and expenditure. As bacterial biofilms are highly resistant and resilient to conventional antibacterial therapy, it has been difficult to combat

A chimeolysin with extended-spectrum streptococcal host range found by an induced lysis-based rapid screening method.

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The increasing emergence of multi-drug resistant streptococci poses a serious threat to public health worldwide. Bacteriophage lysins are promising alternatives to antibiotics; however, their narrow lytic spectrum restricted to closely related species is a central shortcoming to their translational

Prevention and elimination of upper respiratory colonization of mice by group A streptococci by using a bacteriophage lytic enzyme.

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Bacteriophage lytic enzymes quickly destroy the cell wall of the host bacterium to release progeny phage. Because such lytic enzymes specifically kill the species in which they were produced, they may represent an effective way to control pathogenic bacteria without disturbing normal microflora. In

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Herbal & Natural Medicine

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