Strain modifications for Medium 298
11 distinct modifications were found.
Replace 2,3-butanediol with 1.00 g/l acetoin.
Replace 2,3-butanediol with 1.00 g/l of polyethylene glycol (molecular weight 106 - 20000).
Replace 2,3-butanediol with 2.20 g/l Na-gluconate.
Replace 2,3-butanediol with 2.60 g/l Na-glutarate and add 20.00 ml/l rumen fluid, clarified (see medium 1310) to the autoclaved medium.
Supplement medium with 0.20 g/l yeast extract and 10.00 ml/l of a Wolin's vitamin solution (see medium 141). Replace 2,3-butanediol by 1.24 g/l ethylene glycol added from a separately sterilized stock solution.
Supplement medium with 1.00 g/l yeast extract and replace 2,3-butanediol by 2.00 g/l D-galactose added from an anoxic stock solution sterilized by filtration.
Supplement medium with 1.00 ml/l of seven vitamins solution (see medium 503) and replace 2,3-butanediol by 0.86 g/l crotonic acid added after autoclaving from an anoxic sterile stock solution neutralized with NaOH.
Supplement medium with 1.00 ml/l of seven vitamins solution (see medium 503) and replace 2,3-butanediol by 1.25 g/l sodium pyruvate added after autoclaving from an anoxic stock solution sterilized by filtration.
Supplement medium with 1.00 ml/l of seven vitamins solution (see medium 503) and replace 2,3-butanediol by 1.40 g/l triethanolamine hydrochloride added from a 1 M stock solution prepared and autoclaved under 100% N2 gas).
Supplement medium with 10.00 ml/l of a Wolin's vitamin solution (see medium 141) and 1.00 ml/l of selenite-tungstate solution (see medium 385).
Supplement medium with 10.00 ml/l of a Wolin's vitamin solution (see medium 141) and replace 2,3-butanediol by 1.00 g/l of quinic acid added from a neutralized anoxic stock solution.