<prompt> This IMViC pattern of biochemical reactions is indicative of which bacteriaE.coli and KlebsiellaE.coli and EnterobacterEnterobacter and KlebsiellaKlebsiella and Shigella  <response>: Klebsiella and Enterobacter shows the following biochemical reactions: Indole test negative Methyl red test negative Voges Proskauer test positive Citrate utilization positive E.coli is indole positive, Escherichia coli and Shigella dysenteriae are citrate negative. 