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  3. Fungal Influenza Virus Environmental Pollutants Bacterial Antibiotic
  4. Tyrothricin

Tyrothricin is a polypeptide antibiotic mixture isolated from Bacillus brevis and consists of tyrocidines and gramicidins. Tyrothricin shows activity against bacteria, fungi and some viruses. Tyrothricin containing formulations are used in sore throat agents and in agents for the healing of infected superficial and small-area wounds.

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Tyrothricin

Tyrothricin Chemische Struktur

CAS. Nr. : 1404-88-2

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Tyrothricin Related Antibodies

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Beschreibung

Tyrothricin is a polypeptide antibiotic mixture isolated from Bacillus brevis and consists of tyrocidines and gramicidins. Tyrothricin shows activity against bacteria, fungi and some viruses. Tyrothricin containing formulations are used in sore throat agents and in agents for the healing of infected superficial and small-area wounds[1].

In Vitro

Tyrothricin is a mixture of polypeptides, consisting of 50%-70% tyrocidines and 25%-50% gramicidins. The group of tyrocidines is basic, cyclic peptides, whereas the fraction of gramicidins is neutral, linear peptides. Besides physiological and essential L-amino acids, the components of Tyrothricin also contain D-amino acids[1].
Tyrothricin is produced by the gram-positive aerobic sporeforming bacterium Bacillus brevis (Strain ATCC 8185) during its sporulation phase via the nonribosomal pathway[1].
The efficacy spectrum of Tyrothricin mainly covers gram-positive but also several gram-negative bacteria. Corynebacteria and staphylococci show a broader range of Tyrothricin concentrations for inhibition (2-256 μg/mL). In contrast to the gramicidin fraction alone, Tyrothricin is able to inhibit all Staphylococcus strains at a maximum concentration of 128 μg/mL. Among the gram-negative organisms, gonococci and meningococci were the most sensitive germs (96 μg/mL)[1].
Tyrothricin exerts fungicidal effects on a variety of Candida species. Tyrothricin shows an anti-infectious activity against parainfluenza virus (type Sendai)[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Tyrothricin Related Antibodies
In Vivo

In animal models using HSV type 1, a pre-incubation of the virus suspension with Tyrothricin could significantly decrease the lethality in mice. The effect could only be shown after a direct contact between Tyrothricin and the virus[1].
Nevertheless disruption of the integrity of eukaryotic membranes is observed at higher Tyrothricin concentrations in vitro. This effect is exemplified as hemolytic activity of Tyrothricin in in vitro studies and when applied to animals i.v.. In contrast to an intravenous (LD50 mouse: 3,7 mg/kg) and an intraperitoneal (LD50 mouse: 20-45 mg/kg) application the oral application is very well tolerated, as Tyrothricin is destroyed in the gastro-intestinal tract[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
CAS. Nr.
Appearance

Solid

Color

White to off-white

SMILES

[Tyrothricin]
Structure Classification
Initial Source

Bacillus brevis
Versand

Room temperature in continental US; may vary elsewhere.
Speicherung
Powder -20°C 3 years
In solvent -80°C 6 months
-20°C 1 month
Lösungsmittel & Löslichkeit
In Vitro: 

DMSO : 100 mg/mL (Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

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Reinheit & Dokumentation

Purity: 96.4%

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Tyrothricin1404-88-2FungalInfluenza VirusEnvironmental PollutantsBacterialAntibioticEnvironmental ContaminantsantimicrobialtyrocidinesgramicidinsmixturepolypeptideantibacterialantifungalantiviralInhibitorinhibitorinhibit

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