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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University

Microbial Growth

Chapter Objectives

After reading this chapter you should be able to:
  • name the various phases of growth that occur in closed culture systems and describe what is occurring in each phase
  • determine from experimental data the various parameters (number of generations, specific growth rate constant, mean generation time) that describe microbial growth in mathematical terms
  • compare and contrast the various methods for measuring microbial growth
  • describe the various types of continuous culture systems and explain the differences in their function
  • describe the influence of various environmental factors (water availability, pH, temperature, oxygen concentration, pressure, radiation) on the growth of microorganisms
  • categorize microorganisms according to the environmental factors that are conducive to optimal growth of the organism
  • discuss three growth-related phenomena observed in natural environments (growth limitations by environmental factors, viable but nonculturable cells, and quorum sensing)