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What has the author Susan DeWitt Nester written?
Susan DeWitt Nester has written: 'Contamination and growth of Bacillus cereus and Clostridium perfringens in Mexican-style beans' -- subject(s): Food contamination, Beans
Why do wounds that contain necrotic and ischemic tissue take longer to heal?
Wounds that contain necrotic and ischemic.tissue take longer to close and heal. This is because necrotic tissue provides an ideal growth medium for bacteria, especially for Bacteroides spp. and Clostridium perfringens that causes the gas gangrene
The microbe improves sunflower growth patterns and overall strength What is your statement called?
After experimentation and observation you isolated a microbe that aided the sunflower's root growth. You state in a scientific paper that the microbe improves sunflower growth patterns and overall strength. What is your statement called?
Condition to microbe growth?
most microbes need light food and water
What information can be gained by running a fermentation series on a particular microbe?
Running a fermentation series on a microbe can provide insight into its growth characteristics, metabolic pathways, optimal conditions for growth, and the products it can generate. This information is valuable for optimizing industrial processes, developing new biotechnological applications, and understanding the microbe's potential for specific bioproduction purposes.
What are the uses of deep agar?
Agar deeps are used to see whether an organism requires oxygen to grow. If there is spreading growth only at the bottom of the tube, the organism is an obligate anaerobe (meaning it cannot tolerate oxygen). If there is growth only at the surface of the agar, the organism is an obligate aerobe (it cannot grow without oxygen). And if there is growth all along the point of innoculation, the organism is a facultative anaerobe and can survive either way.
Is clostridium grow on macconkey?
Clostridium species do not grow on MacConkey agar because they are anaerobic bacteria that require an oxygen-free environment, while MacConkey agar is designed for the growth of aerobic and facultatively anaerobic Gram-negative bacteria. Additionally, MacConkey agar is selective for lactose fermenters, and Clostridium does not ferment lactose. Therefore, Clostridium cannot be cultured on this medium.
What is an example of an biological contaminant?
Organisms such as mold or bacteria growing in it. and If conditions permit or cross contamination occurs food may be fertile ground for the growth of: Bacteria Like: Salmonella spp., Enterohaemorrhagic Escherichia coli, Campylobacter jejuni, Yersinia enterocolitica, Listeria monocytogenes, Bacillus anthracis, Bacillus cereus, Staphlococcus aureus, Clostridium botulinum, Clostridium perfringens, Vibrio vulnificus, Vibrio parahaemolyticus Viruses like hepatitis A virus, Norwalk viruses, Rotavirus Parasites like Toxoplasma gondii, Cryptosporidia, Giardia spp., Trichinella spiralis, Taenia solium, Anisakis spp.
Is chlorhexidine bactericide or bacteriostatic agent?
Bactericidal antimicrobial agents kill the microbe, whereas bactericidal agents inhibit the growth of the microbe. Chloehexidine is an agent that kills bacteria, thus, it is considered a bactericidal antimicrobial agent.
Is botulism a virus bacteria or a protist?
No, botulism is the disease caused by the ingestion of the toxin formed during the growth of the bacteria Clostridium botulinum.
What are some examples of Aerotolerant bacteria?
Clostridium tetani is an example of an obligate anaerobe. It can survive as a spore in the presence of oxygen, however, vegetative cell growth can only happen in the absence of oxygen. This is why puncture wounds are more likely to result in tetanus (disease caused by C. tetani) than a scrape.A common facultative anaerobe is Staphylococcus aureus, which is part of the normal bacterial flora of human skin.
Why is it better for a drug to be microbicidal than microbistatic?
The term microbicidal means that the drug will kill the microbe infecting the host, and microbistatic means to prevent the growth of a bacteria or microbe on tissues or in the environment. If the host is already infected by an infectious microbe, it would be better that the drug be microbicidal so that it kills the microbe, instead of preventing something that has already infected the host.
