Evolution and Antibiotic Resistance Cara Prater South University Online Instructor Raven‚ Biology I Evolution and Antibiotic Resistance When we‚ mankind‚ get the flu or a headache or muscle aches‚ what is the first thing that we usually do? We want it gone and we want it gone as soon as possible so we reach for the antibiotics! Antibiotics have been the corner stone of hope for the sick and dying people of our society. This hope‚ however‚ has a dark lining that has more recently begun
Premium Antibiotic resistance Evolution Bacteria
Evolution of Antibiotic Resistance Maricia Overly Professor Ellen Doyle South University Online July 30‚ 2011 Abstract “Super Bugs” (Clemmitt‚ 2007) are beginning to take control of our health. Antibiotic resistance has enabled germs that once caused very little harm the ability to leave us in dire straights. The worst part of these “Super Bugs” (Clemmitt‚ 2007) is that people can be walking around with them infecting others without knowing it. Evolution of bugs due to the overuse of antibiotics
Premium Antibiotic resistance
MICROBIOLOGY COURSEWORK The effect of antibiotic concentration on bacterial growth Introduction Null Hypothesis- Increasing the antibiotic concentration has no effect on bacterial growth. Experimental Hypothesis- Increasing the antibiotic concentration decreases bacterial growth. Scientific Theory Bacteria are prokaryotes and can be identified by their shape. Spherical bacteria are called cocci‚ rod shaped bacteria are called bacilli‚ spiral shaped bacteria are called spirilla and
Free Bacteria
The Effects of Antibiotics on Bacterial Growth Biology II 1996 Bacteria are the most common and ancient microorganisms on earth. Most bacteria are microscopic‚ measuring 1 micron in length. However‚ colonies of bacteria grown in a laboratory petri dish can be seen with the unaided eye. There are many divisions and classifications of bacteria that assist in identifying them. The first two types of bacteria are archaebacteria and eubacteria. Both groups have common ancestors dating to more
Premium Bacteria Antibiotic resistance Escherichia coli
development of increased resistance to antibiotics is a global concern. According to WHO (2015)‚ antimicrobial resistance is an increasingly serious threat to global public health that requires action across all government sectors and society. Antibiotic resistance threatens the effective prevention and treatment of an ever-increasing range of infections caused by bacteria‚ thereby resulting to loss of the ability to treat common infections. The development of antibiotic resistance is a natural phenomenon
Premium Global warming Climate change Water
A seminar on Antimicrobial Resistance and stewardship strategies to optimize the activity of currently available agents Presented By: Guide: Itee Sharma Dr. D.S. Arora M.Sc.(Hons.)F.M.T Index Contents Page No. ➢ Introduction 3 ➢ Definitions 4 ➢ History 5 ➢ Major antibiotics in common use 6 ➢ Graphical Representation
Premium Antibiotic resistance Bacteria Staphylococcus aureus
Introduction Antibiotics are drugs that have been developed to destroy or show interference with the growth of microorganisms. The first antibiotic properties revealed were synthetic chemicals‚ particularly drugs containing arsenic‚ which were discovered by Ehrlich at the beginning of the 20th century. Sulphonamide inhibitors of folate metabolism were developed by Domagz in the 1930s which then followed with the development of the first true antibiotic‚ penicillin in the 1940s.(Wright 2011) Upon
Premium Antibiotic resistance Bacteria
Bio-112 Antibiotic Resistance Experiment Lab Partners: March 10‚ 2010 When we initially started the bacteria antibiotic experiment on February 10‚ 2010 our team selected e-coli and Rifampicin (Rb5) to find out the level of resistance e-coli would build towards this antibiotic. When we first checked our agar dish on February 15‚ 2010 we noticed two circles for the zone of inhibition the small circle was 1.5 cm and the medium circle was 3.00 cm. Two days later when we checked
Premium Bacteria Antibiotic resistance Escherichia coli
Both prokaryotic cells that create bacteria and eukaryotic cells that make up most other forms of life evolve. Natural selection and genetic variation are simply the way evolution happens. This is why there is an antibiotic resistance. If bacteria are constantly changing then antibiotics must change too. Evolution is an amazing process that explains and justifies change. In New Mexico at the Carlsbad Caverns National Park there is a unique and enlightened discovery. There are many caves in the
Premium
Antibiotic resistance results from bacteria changing in ways that make those antibiotics no longer useful. Resistance is a common yet problematic issue in treating pulmonary exacerbations or infections in people with Cystic Fibrosis (CF). Not all bacteria are bad. However‚ there are some that can cause infections. As bacteria are exposed to antibiotics over time‚ resistance may develop‚ and the number of antibiotics we have to kill the bacteria decreases as well. Thus‚ it is important to learn
Premium Antibiotic resistance Bacteria Staphylococcus aureus