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V2510

50X VB Salts Solution. 500mL, Sterile

Availability

Ships in 6 - 14 Days

Container Size

500mL

Item Count

1 Bottle(s)

Price per Item

$89.00

Fill Volume

520 mL

V2510

50X VB Salts Solution. 500mL, Sterile

Quantity

Minimum is set to 8 for this product*

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Description
Formulation
Common Applications
Storage

50X VB Salts Solution is a concentrated inorganic salts stock for preparation of Vogel–Bonner (VB) minimal media. When diluted 1:50 into sterile water with an appropriate carbon source, it supplies magnesium, phosphate, ammonium, and citrate ions to formulate defined minimal media suitable for cultivation and genetic assays with enteric bacteria such as E. coli and Salmonella.

This stock is intended for laboratory media preparation, quality control, and reproducible formulation of VB-based minimal agar or broth. Typical use includes combining the 50X concentrate with water and a sterile-filtered carbohydrate to achieve the desired working strength for selection and characterization of metabolic phenotypes in E. coli and related organisms.

  • 1.0% Magnesium Sulfate
  • 10.0% Citric Acid
  • 50.0% Dipotassium Phosphate
  • 17.5% Sodium Ammonium Phosphate
  • Preparation of Defined Minimal Medium (VBMM): Base salt mix for formulating Vogel-Bonner minimal medium to grow Pseudomonas aeruginosa and other non-fastidious Gram-negative bacteria under controlled nutrient conditions.

  • Carbon Source Utilization Tests: Supports metabolic profiling by supplying balanced salts while varying the carbon source to assess growth phenotypes.

  • Auxotroph Selection and Genetic Screening: Enables selection of nutritional mutants and complementation assays in microbial genetics using defined supplements.

  • Biofilm Formation Assays: Provides a consistent, low-complexity ionic background for quantifying biofilm development (e.g., crystal violet assays) with Pseudomonas aeruginosa.

  • Motility Assays: Used in swim/swarm agar formulations to evaluate flagellar and surface-associated motility in defined conditions.

  • Siderophore and Virulence Factor Studies: Facilitates measurement of secreted factors (e.g., pyoverdine) by minimizing confounding nutrients in complex media.

  • Antibiotic Susceptibility in Defined Conditions: Allows determination of MICs and tolerance phenotypes without variability from rich media components.

  • Growth Kinetics and Physiology: Supports reproducible growth curves and nutrient limitation studies with controlled phosphate buffering and ammonium as nitrogen source.

  • Plasmid and Phage Workflows in Minimal Media: Used where defined ionic conditions are required for maintenance, selection, or infection assays in strains such as Pseudomonas aeruginosa.

Storage Temperature
Room Temperature
Shelf Life
730 days
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