DNB: Difference between revisions

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Per Litre:
Per Litre:
*4g Difco Nutrient Broth Powder
*4g Difco Nutrient Broth Powder
*1L dH2O
*1L dH<sub>2</sub>O


'''Instructions'''
'''Instructions'''
#Add DNB powder to dH2O and mix to dissolve
#Add DNB powder to dH<sub>2</sub>O and mix to dissolve
#Autoclave
#Autoclave



Revision as of 12:58, 2 July 2019

Difco Nutrient Broth (DNB)

Difco Nutrient Broth is a rich medium commercially available from BD and routinely used for cultivating many non-fastidious organisms. It contains beef extract and peptones; exact composition will vary between batches.


Preparation

Per Litre:

  • 4g Difco Nutrient Broth Powder
  • 1L dH2O

Instructions

  1. Add DNB powder to dH2O and mix to dissolve
  2. Autoclave


Uses

  • Selection for resistance to salt-sensitive antibiotics

Notes

According to the recipe in Practical Streptomyces Genetics, it should be 8 g DNB per litre (can someone check this please and edit the recipe with the correct amount if necessary)

References