What are the ROLES of vitamins in microbial growth?

Vitamins

Functions

Paraamino

benzoic acid

Precursor of folic acid

Folic acid (B9)

Methyl group transfer

Biotin (B7)

Fatty acid biOSynthesis, beta decarboxylation, carbon dioxide fixation

Cobalamine (B12)

Reduction of and transfer of single carbon fragments, synthesis of deoxyribose

Lipoic Acid

Transfer of acyl group in decarboxylation of pyruate and alpha keto glutarate

Nicotinic acid

Precursor of NAD+, e transfer in O/R reaction

Pantothenic acid (B5)

Precursor of Co enzyme A: activation of acetyl and acyl group

Riboflavin (B2)

Precursor of FMN, FAD, in flavoprotein in ETC

Thiamine (B1)

Alpha decarboxylation of amino acid

Vitamin B6

Keto acid transformation

Vitamin K

Electron transport, synthesis of sphingo lipids