Last updated on June 21st, 2021Clostridium perfringens is a gram-positive, anaerobic, endospore-forming bacilli, often appear as boxcar shaped. It is mainly responsible for myonecrosis (gas gangrene), food poisoning, and gangrenous cholecystitis. Properties Gram staining: Gram-variable […]
Last updated on June 21st, 2021Clostridium tetani is an obligate anaerobic, gram-positive bacillus with terminal round spore (drum stick appearance). It is the causative agent of tetanus, a vaccine-preventable disease that classically follows a puncture […]
Last updated on June 21st, 2021Clostridium botulinum is gram-positive, endospore-forming bacilli which resemble a tennis racket appearance due to the presence of spores at the sub-terminal end. It produces an extremely lethal neurotoxin called botulinum […]
Last updated on June 25th, 2021Yersinia pestis is gram-negative rods responsible for highly fatal zoonotic disease, plague. Plague is one of the greatest killers known to mankind with at least three pandemics reported in history. […]
Last updated on June 11th, 2021Dark-field microscopy is a technique that can be used for the observation of living, unstained cells and microorganisms. In this microscopy, the specimen is brightly illuminated while the background is […]
Last updated on June 21st, 2021Bacillus anthracis, the most notorious pathogen of the genus Bacillus, is the causative agent of a serious zoonotic disease called anthrax. Anthrax is primarily a disease of wild and domestic […]
Last updated on June 25th, 2021Streptococcus agalactiae, also known as Group B Streptococcus (GBS), is a major cause of neonatal sepsis and meningitis. Other infections caused by Group B Streptococci include postpartum endometritis and bacteremia among pregnant […]
Last updated on June 4th, 2021Automated blood culture systems are the primary choice for the detection of pathogens from blood specimens. Instead of manually read broth-based conventional methods, laboratories use continuously monitored, automated blood culture […]
Last updated on May 25th, 2021Detection of specific antigens present in the sample (blood, urine, CSF, or stool) using immunologic methods such as precipitin tests, particle agglutination tests, immunofluorescence, immunochromatographic or enzyme immunoassays are the […]
Last updated on June 11th, 2021Leptospirosis (also known as weil’s disease) is one of the widespread zoonoses caused by pathogenic spirochetes of the genus Leptospira and is found in virtually all tropical and temperate areas of […]
Last updated on May 30th, 2021Mycoplasma is the smallest (0.2 – 0.8 micrometers) free-living bacteria (light microscopy cannot detect it) that can pass through some filters (0.45-μm-pore-size) used to remove bacteria. It has the smallest […]
Last updated on June 25th, 2021Klebsiella pneumoniae is a Gram-negative rod-shaped bacteria of genus Klebsiella and the family Enterobacteriaceae. They are members of normal intestinal flora of humans and animals and may be isolated from a variety of environmental […]
Copyright © microbeonline
