![SOLVED: Mixed Acid (methyl red) Butanediol fermentation (VP) Nitrate reduction (Nitrate added [A], then Zinc added [B]) Catalase (H2O2 added) Hydrolysis: Tryptophanase (Indole production) Kovac's reagent added Starch (Amylase) Lugol's iodine added SOLVED: Mixed Acid (methyl red) Butanediol fermentation (VP) Nitrate reduction (Nitrate added [A], then Zinc added [B]) Catalase (H2O2 added) Hydrolysis: Tryptophanase (Indole production) Kovac's reagent added Starch (Amylase) Lugol's iodine added](https://cdn.numerade.com/ask_images/fdd6857c1df1488582ed77097040e3c4.jpg)
SOLVED: Mixed Acid (methyl red) Butanediol fermentation (VP) Nitrate reduction (Nitrate added [A], then Zinc added [B]) Catalase (H2O2 added) Hydrolysis: Tryptophanase (Indole production) Kovac's reagent added Starch (Amylase) Lugol's iodine added
![Frontiers | Metabolic Engineering of Escherichia coli for Production of Mixed-Acid Fermentation End Products Frontiers | Metabolic Engineering of Escherichia coli for Production of Mixed-Acid Fermentation End Products](https://www.frontiersin.org/files/Articles/85675/fbioe-02-00016-HTML/image_m/fbioe-02-00016-g001.jpg)
Frontiers | Metabolic Engineering of Escherichia coli for Production of Mixed-Acid Fermentation End Products
![Engineered E. coli W enables efficient 2,3-butanediol production from glucose and sugar beet molasses using defined minimal medium as economic basis | Microbial Cell Factories | Full Text Engineered E. coli W enables efficient 2,3-butanediol production from glucose and sugar beet molasses using defined minimal medium as economic basis | Microbial Cell Factories | Full Text](https://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12934-018-1038-0/MediaObjects/12934_2018_1038_Fig1_HTML.png)