Fig. 4From: Effects of cofD gene knock-out on the methanogenesis of Methanobrevibacter ruminantiumThe content (mean and SD) of coenzyme F420 of WT and KO M. ruminantium in different culture time. A the content of coenzyme F420 of liquid; B the content of coenzyme F420 per OD600. SD standard deviation, WT wild-type, KO knock-outBack to article page