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Escherichia coli K-12 substr. MG1655 Growth Medium: LB enriched

Summary:
This is the LB (lysogeny broth) medium, a nutritionally rich medium typically used for bacterial growth, enriched with an assortment of vitamins and mineral salts.

This medium has been used by Gerdes et al [Gerdes03] to evaluate gene essentiality in E. coli MG1655.

Citations: [Bertani51]

Recipe Substances: ?
Substances Concentration Role
tryptone 10 g/l Source of C N P S
yeast extract 5 g/l Source of C N P S
nicotinamide 12 mg/l  
(R)-pantothenate 10.8 mg/l  
thiamin 4 mg/l  
pyridoxine 2.8 mg/l  
(R)-lipoate 2 mg/l  
4-aminobenzoate 1.37 mg/l  
riboflavin 800.0 µg/l  
biotin 120.0 µg/l  
folate 80 µg/l  
ammonium chloride 9.5 mM Source of N
ammonium molybdate 3 nM  
borate 40 nM  
calcium chloride 500 nM  
cobalt chloride 30.0 nM  
copper sulfate 10 nM  
dipotassium phosphate 1.32 mM Source of P
iron sulfate 0.01 µM  
manganese chloride 80 nM  
MgCl2 528 µM  
potassium sulfate 0.276 µM  
sodium chloride 50 mM  
zinc sulfate 10 nM  
Composition: ?
Constituents Concentration
chloride 60.557 mM
Na+ 50 mM
ammonium 9.5 mM
K+ 2.6406 mM
phosphate 1.32 mM
Mg2+ 528 µM
nicotinamide 98.259 µM
(R)-pantothenate 49.489 µM
pyridoxine 16.55 µM
thiamin 15.074 µM
4-aminobenzoate 10.064 µM
(R)-lipoate 9.7414 µM
riboflavin 2.1313 µM
Ca2+ 500 nM
biotin 493.22 nM
sulfate 306.0 nM
folate 182.07 nM
Mn2+ 80 nM
borate 40 nM
Co2+ 30.0 nM
Zn2+ 10 nM
Cu2+ 10 nM
Fe2+ 10 nM
molybdate 3 nM
tryptone
yeast extract

pH: 6.95

Wildtype growth observations:

T (°C) O2 Growth?
37 Aerobic Yes [Gerdes03, Comment 1]

3082 single gene knockouts exhibit growth (aerobic):

aaeA , aaeB , aaeR , aaeX , aas , aat , abgA , abgB , abgR , abgT , abrB , accD , aceA , aceB , aceE , aceK , acnA , acnB , acpH , acrA , acrB , acrD , acrE , acrF , acrR , acs , actP , ada , add , adeD , adeP , adeQ , adhE , adhP , adiA , adrA , aegA , aer , aes , afuB (T=37°C) [Gerdes03, Comment 1] + 3042 more...[Show All]

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References

Bertani51: Bertani G (1951). "Studies on lysogenesis. I. The mode of phage liberation by lysogenic Escherichia coli." J Bacteriol 62(3);293-300. PMID: 14888646

Gerdes03: Gerdes SY, Scholle MD, Campbell JW, Balazsi G, Ravasz E, Daugherty MD, Somera AL, Kyrpides NC, Anderson I, Gelfand MS, Bhattacharya A, Kapatral V, D'Souza M, Baev MV, Grechkin Y, Mseeh F, Fonstein MY, Overbeek R, Barabasi AL, Oltvai ZN, Osterman AL (2003). "Experimental determination and system level analysis of essential genes in Escherichia coli MG1655." J Bacteriol 185(19);5673-84. PMID: 13129938


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
Page generated by SRI International Pathway Tools version 18.5 on Sun Nov 23, 2014, biocyc13.