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Key Documents

G3632

Sigma-Aldrich

Gentamicin sulfate salt

potency: ≥590 I.U. Gentamicin base per mg

Synonym(s):

GM Sulfate, Gentamicin C

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
51281651
eCl@ss:
42020823
PubChem Substance ID:
NACRES:
NA.76

biological source

Micromonospora purpurea

Quality Level

form

powder

potency

≥590 I.U. Gentamicin base per mg
≥590 units/mg Gentamicin

storage condition

(Tightly closed. Dry. )

concentration

50 μg/mL in H2O (is the recommended working concentration for eukaryotic cell culture)

color

white to off-white

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria
mycoplasma

Mode of action

protein synthesis | interferes

storage temp.

2-8°C

SMILES string

O=S(O)(O)=O.O[C@]1(C)[C@@H]([C@@H](O)[C@@H](O[C@@H]2[C@@H](O)[C@H](O[C@H]3O[C@@](CC[C@H]3N)([C@@H](C)NC)[H])[C@@H](N)C[C@H]2N)OC1)NC.O[C@]4(C)[C@@H]([C@@H](O)[C@@H](O[C@@H]5[C@@H](O)[C@H](O[C@H]6O[C@@](CC[C@H]6N)([C@@H](C)N)[H])[C@@H](N)C[C@H]5N)OC4)NC.O[

InChI

1S/C21H43N5O7.C20H41N5O7.C19H39N5O7.H2O4S/c1-9(25-3)13-6-5-10(22)19(31-13)32-16-11(23)7-12(24)17(14(16)27)33-20-15(28)18(26-4)21(2,29)8-30-20;1-8(21)12-5-4-9(22)18(30-12)31-15-10(23)6-11(24)16(13(15)26)32-19-14(27)17(25-3)20(2,28)7-29-19;1-19(27)7-28-18(13(26)16(19)24-2)31-15-11(23)5-10(22)14(12(15)25)30-17-9(21)4-3-8(6-20)29-17;1-5(2,3)4/h9-20,25-29H,5-8,22-24H2,1-4H3;8-19,25-28H,4-7,21-24H2,1-3H3;8-18,24-27H,3-7,20-23H2,1-2H3;(H2,1,2,3,4)/t9-,10-,11+,12-,13+,14+,15-,16-,17+,18-,19-,20-,21+;8-,9-,10+,11-,12+,13+,14-,15-,16+,17-,18-,19-,20+;8-,9+,10-,11+,12-,13+,14+,15-,16+,17+,18+,19-;/m110./s1

InChI key

RDEIXVOBVLKYNT-HDZPSJEVSA-N

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General description

Gentamicin sulfate Salt is a broad-spectrum aminoglycoside antibiotic which is derived from Micromonospora purpurea.

Application

Gentamicin sulfate Salt is used as a selection agent (gentamicin-resistance gene) in cell culture and molecular biology applications. This product is recommended for use at 50 mg/L. Gentamicin sulfate Salt can be used:
  • in the research of the effectiveness of antibiotics against different bacterial cultures
  • in the research of neuronal signal processing

Biochem/physiol Actions

Mode of action: Gentamicin causes codon misreading by binding to the 30S ribosomal subunit, blocking the translocation of peptidyl-tRNA from the acceptor site to the donor site. The bactericidal effect of gentamicin on Pseudomonas aeruginosa is exerted by the binding of gentamicin to the outer membrane, where it displaces natural cations, destabilizes the membrane, and forms holes in the cell surface.

Antimicrobial spectrum: Includes Gram-negative and Gram-positive bacteria, including strains resistant to tetracycline, chloramphenicol, kanamycin and colistin, particularly strains of Pseudomonas, Proteus, Staphylococcus and Streptococcus.

Features and Benefits

High quality antibiotic suitable for mulitple research applications

Components

Freely soluble in water, practically insoluble in ethanol
Gentamicin is an aminoglycoside complex produced by fermentation of Micromonospora purpurea or M. echinospora. It is used as the sulfate salt. There are three components, each consisting of five basic nitrogens and requiresing five equivalents of sulfuric acid per mole of gentamicin base.

Storage and Stability

Sterile solutions should be stored at 2-8°C. Solutions have also been shown to be stable at room temperature and in boiling aqueous buffers of pH 2-14. [2]

Other Notes

For additional information on our range of Biochemicals, please complete this form.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Mimmi Werner et al.
Anatomical record (Hoboken, N.J. : 2007), 303(3), 506-515 (2019-05-16)
The auditory apparatus of the inner ear does not show turnover of sensory hair cells (HCs) in adult mammals; in contrast, there are many observations supporting low-level turnover of vestibular HCs within the balance organs of mammalian inner ears. This
W G Pitt et al.
Antimicrobial agents and chemotherapy, 38(11), 2577-2582 (1994-11-01)
The effect of gentamicin upon planktonic cultures of Pseudomonas aeruginosa, Escherichia coli, Staphylococcus epidermidis, and Staphylococcus aureus was measured with and without application of 67-kHz ultrasonic stimulation. The ultrasound was applied at levels that had no inhibitory or bactericidal activity
Nesli Tovi et al.
Frontiers in microbiology, 9, 3263-3263 (2019-01-29)
Plant hosts recruit and maintain a distinct root-associated microbiota based on host and bacterium traits. However, past studies disregarded microbial strain-host specificity and spatial micro-heterogeneity of the root compartment. Using genetic manipulation, confocal laser scanning microscopy, real-time quantitative PCR, and
The effect of ultrasonic frequency upon enhanced killing of P. aeruginosa biofilms
Qian et al.
Annals of Biomedical Engineering, 25(1):69-25(1):76 (1997)
Louise Menendez et al.
eLife, 9 (2020-07-01)
The mechanoreceptive sensory hair cells in the inner ear are selectively vulnerable to numerous genetic and environmental insults. In mammals, hair cells lack regenerative capacity, and their death leads to permanent hearing loss and vestibular dysfunction. Their paucity and inaccessibility

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