Hyperthermophile Mesophile Thermophile Psychrotroph Psychrophile -10 ó 10 20 30 40 50 60 70 80 90 100 110 120 Temperature (°C) FIGURE 4.8 Temperature Requirements for Growth Microorganisms are commonly divided into five groups based on their optimum growth temperatures. This graph shows a typical example of each group. The optimum temperature, the point at which the growth rate is highest, is near the upper limit of the range. Growth rate

Hyperthermophile Mesophile Thermophile Psychrotroph Psychrophile -10 ó 10 20 30 40 50 60 70 80 90 100 110 120 Temperature (°C) FIGURE 4.8 Temperature Requirements for Growth Microorganisms are commonly divided into five groups based on their optimum growth temperatures. This graph shows a typical example of each group. The optimum temperature, the point at which the growth rate is highest, is near the upper limit of the range. Growth rate

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter2: Aquatic Plants And Animals

Section: Chapter Questions

Problem 2KA

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Which growth condition shown above has the largest doubling time? How would you explain the observed growth data based on information about metabolism and oxygen requirements? Definitely take into consideration the relative growth of all three growth conditions. Surprisingly, cultures grown in anerobic conditions are non-motile, whereas cultures grown in normal O2 saturation have several peritrichous flagella and swim motility. Explain briefly the mechanism of flagellar motility in terms of energy source for flagellar motility and why it may be lower in anaerobic conditions for L. monocytogenes.
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