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L3397 Sigma

LB Broth (Luria low salt)

Powder microbial growth medium

Synonym: Luria Broth (Miller’s Modification)

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Components

10g/L Tryptone
5g/L Yeast Extract
0.5g/L NaCl

Features and Benefits

Luria’s low salt LB powder provides:
• Standard formulation
• A budget-friendly alternative to liquid
• Easy scale-up using larger package sizes

General description

Luria’s low salt LB is a microbial growth medium used for the cultivation of E. coli. This nutrient-rich microbial broth contains peptides, amino acids, water-soluble vitamins, and carbohydrates in a very low salt formulation.

Reconstitution

Stir to suspend 15.5g powder in 1L water. Autoclave for 15 minutes at 121C to sterilize. Allow to cool before making additions, such as antibiotics (if desired).

Application

Suitable for non-selective cultivation of E. coli strains for cloning, DNA plasmid production and production of recombinant proteins. Also suitable for selective cultivation when appropriate antibiotics are added, including those that require low-salt conditions, such as Zeocin®.

Legal Information

Zeocin is a registered trademark of Cayla Sarl

Price and Availability


Amplified Detection
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Introduction to Microbial Media

Microbiological studies require the availability of different species of bacteria, yeast or viruses in the laboratory. Large scale processes such as fermentation, protein and vaccine production requi...
Keywords: Antibiotics, Cellular processes, Cloning, Culture media, Fermentation, Gene expression, Growth factors, Indicators, Molecular biology, Nutrition, Sterilizations, Vitamins, transformation

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Microbiology Theory: Media Preparation

Microorganisms need nutrients, a source of energy and certain environmental conditions in order to grow and reproduce. In the environment, microbes have adapted to the habitats most suitable for thei...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins

Protocols

Microbial Growth Protocols

From our library of Protocols, Sigma-Aldrich presents Microbial Growth Protocols
Keywords: Antibiotics

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
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Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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