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Phage Consultants: bacteriophage production and characterization

products-servicesPhage Consultants
January 27th 2021

Phage Consultants (PC) is a leading force in the highly specialized field of bacteriophage testing and characterization.

The company was created to provide phage consulting services to clients whose production is based on bacterial activities in order to combat phage infection, and PC is an international leader in characterization of both known and novel bacteriophages used in research or found during client sample testing.

Phage production

Given the ubiquity of bacteriophages (‘phages’) in the microbiome – with an estimated 1031 bacteriophages on Earth, more than all other organisms combined – it might be thought that producing them should be easy.

However, this is not so. The technological challenge is to produce pure batches of only a defined type of phage, out of the many families, orders (Caudovirales, Levivirales, Petitvirales, Tubulavirales and Vinavirales), and specific types so far classified by The International Committee on Taxonomy of Viruses (ICTV) according to their morphology and nucleic acid.

Phage Consultants’ bacteriophage lab receives client samples contaminated with unknown bacteriophages on a daily basis. Very often, in order to characterize the contaminant and subsequently remove it and prevent its reappearance, isolation of a bacteriophage and its production are required. Phage Consultants can produce any of the bacteriophages commonly appearing in the infected samples, including:

  • T1-like phages – the most common and the most dangerous group of process contaminants.
  • T4-like phages that infect coli bacteria, such as Enterobacteria phages T2, T4, and T6, all highly complex with genomes made up of around 160 genes and featuring an unusual base hydroxymethylcytosine (HMC) in place of the nucleic acid base cytosine.
  • P1-like phages that are interesting in research due to their potential to transfer DNA from one bacterial cell to another by transduction or to create artificial chromosome cloning vectors that can carry relatively large fragments of DNA.
  • M13 phage and its relatives, whose plasmids are used for many recombinant DNA processes and for phage display, directed evolution, nanostructures, and nanotechnology applications.
  • MS2 phage family of closely related bacterial viruses that includes bacteriophages f2, Qβ, R17, and GA.
  • Phages of other bacterial families including Bacillus, Pseudomonas, Aeromonas, Flavobacterium, Enterobacter, Enterococcus, Staphylococcus, Klebsiella, Salmonella, and many others.

In-depth phage cultivation and isolation expertise

Phage Consultants’ phage production and characterization services are distinguished from those of other bacteriophage companies by extensive and in-depth knowledge, much based on original research by PC scientists. The company has provided advanced insights into the requirements for phage growth to high titers, guaranteeing that the isolated phages will be of highest purity to accommodate a range of stringent characterization tests.

Phage Consultants also possesses in-depth knowledge of the techniques and controls required in cultivation of bacteriophages to avoid phage cross-contamination, and knows how to obtain the highest amount of bacteriophages in a single fermentation.

Apart from phage production for phage characterization purposes, PC accepts orders for production of clients’ bacteriophages with defined quantities and concentrations of phages in desired bacteriophage culture volumes, with guaranteed phage titer. All deliveries are confirmed by a bacteriophage lab report.

Resources

Click on PC Bacteriophage pdf download section  for detailed guides.
Click on Phage Consultants bacteriophage production to buy bacteriophages.

Phage Consultants: bacteriophage production and characterization

MS2 bacteriophage DNA capsid formation

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