What is the impact of antibiotics on soil microbes? How does the prevalence of antibiotic resistance...
What is the impact of antibiotics on soil microbes?
How does the prevalence of antibiotic resistance change with the use of antibiotics?
How is the fungal community composition impacted by antibiotics in manure?
Are antibiotic inputs shifting microbial stressors?
Does management impact the carbon cycle?
Homework Answers
1. What is the impact of antibiotics on soil microbes?
Release of antibiotics on soil creates threat to all microoranganisms. Antibiotics changes the enzyme activity and ability to metabolize different carbon sources and altering overall microbial biomass on soil. Antibiotics changes the biodiversity of soil microbes. And further results the formation of enzyme responsible for bacterial resistance to antibiotics.
2. How does the prevalence of antibiotic resistance change with the use of antibiotics ?
Antibiotic resistance is one of the biggest environmental problem. It effect health and food security. The accumulation of antibiotic resistant bacteria and antibiotics in environment cause severe problems. Antibiotic resistance is accelerated by the missuse or overuse of antibiotics in environment. It results further diseases in plants and animals.
3. How is the fungal community composition impacted by antibiotics in manure ?
Antibiotics in mannuare may cause missings of gene in fungal genome , this affects fungal denitrification and other mineral cycling. Antibiotics doesn't kill fungi . But overdoses of antibiotics causes increased fungal infections in plants.
4. Are antibiotic inputs shifting microbial stressors?
Antibiotics may alter the gene expression of microbes. The ability to survive environment may changed: pH ,oxidative stresses ,heat etc.
5. Does management impact the carbon cycle ?
Bacteria are essential for complete and proper carbon cycle. They breakdown organic molecules and release carbon back into carbon cycle. Microbes are chief components in carbon cycling, they play a part in releasing carbon dioxide to atmosphere by respiration and produce carbon compounds. The use of antibiotics effect the carbon cycle by changing the functions of microbes.
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