10. Microbial decomposition
Proteins and waste products Amino acids
Microbial ammonification
Amino acids (–NH2) Ammonia (NH3)
Nitrosomonas
Ammonium ion (NH4 +) Nitrite ion (NO2- )
Nitrobacter
Nitrite ion (NO2 -) Nitrate ion (NO3- )
Pseudmonas
Nitrate ion (NO3 -) N2
Nitrogen - fixation
N2 Ammonia (NH3)
Monday, February 27, 2012
11. MICROBES AND THE
BIOGEOCHEMICAL CYCLES
Monday, February 27, 2012
12. Microbial decomposition
Proteins and waste products Amino acids
Microbial dissimilation
Amino acids (–SH) H 2S
Thiobacillus
H 2S SO42– (for energy)
Microbial & plant assimilation
SO4 2– Amino acids
Monday, February 27, 2012
13. APPLIED AND INDUSTRIAL
MICROBIOLOGY
Bioremediation
Use of microbes to detoxify or degrade pollutants;
enhanced by nitrogen and phosphorus fertilizer
Bioaugmentation
Addition of specific microbes to degrade of pollutant
Composting
Arranging organic waste to promote microbial
Monday, February 27, 2012
14. APPLIED AND INDUSTRIAL
MICROBIOLOGY: BIOFILMS
application as surfactant
Monday, February 27, 2012
15. APPLIED AND INDUSTRIAL
MICROBIOLOGY: BIOLUMINESCENCE
application as biomarker
Monday, February 27, 2012