John L. Ingraham

John L. Ingraham

Position Title
Professor Emeritus

  • Microbiology and Molecular Genetics

Research Interests

Metabolism and nutrition of the water mold, Allomyces; enzymology of degradation of cis, cis muconic acid by Pseudomonas fluorescens; studies on the malolactic fermentation including initiating the first winery malolactic fermentation; determining the pathways of formation of fusel oil components including n-butanol and n-propanol, determining the effect of growth temperature on the composition of bacterial membrane fatty acids: determining effect of growth temperature on the growth rate of psychrophilic and mesophilic bacteria; isolating cold-sensitive mutants and determining the molecular basis for their defects, determining the pathways of utilization of pyrimidine nucleosides by Salmonella typhimurium; discovering the existence of natural transformation among species of Pseudomonas and the active role played by donor cells; characterizing patterns of denitrification of Pseudomonas spp. characterizing nitrous oxide reduction of Pseudomonas stutzeri and the mechanism of insertion of copper.

Education and Degree(s)
  • 1947 B.S. in Chemistry, University of California, Berkeley
  • 1951, Ph.D. in Microbiology, University of California, Berkeley