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Weakly gram-positive, strongly acid-fast, aerobic bacilli (rod). Lipid-rich cell wall, making the organism resistant to disinfectants, detergents, common antimicrobial drugs and traditional stains.
Capable of intracellular growth in inactivated alveolar macrophages.
Disease primarily from host response to infection.
Arranged in colonies
What else can I help you with?
Where does Mycobacterium tuberculosis hide?
Mycobacterium tuberculosis does not hide; it simply has a coating that makes it hard to detect. This waxy coating on its cell surface makes the cell impervious to gram staining.
Does mycobacterium tuberculosis produce an exotoxin?
No, Mycobacterium tuberculosis does not produce exotoxins. It mainly causes disease through its cell wall components and induces an inflammatory response in the host.
Is mycobacterium an eubacteria?
Yes, mycobacterium is a genus of eubacteria. Eubacteria are a major group of bacteria that are characterized by their simple cell structure and lack of membrane-bound organelles. Mycobacterium species include pathogenic bacteria that can cause diseases such as tuberculosis and leprosy.
Is Pyrazinamide bactericidal or bacteriostatic?
Pyrazinamide is considered bactericidal against Mycobacterium tuberculosis. It works by disrupting the mycolic acid synthesis in the cell wall, leading to cell death.
Which organism has the most complex cell wall?
Mycobacterium tuberculosis, the bacterium that causes tuberculosis, has a complex cell wall that includes unique lipids and high levels of mycolic acids, making it one of the most complex cell walls among bacteria.
Which specific Mycobacterium organism was Ehrlich trying to stain when he developed the acid-fast stain?
Ehrlich was trying to stain Mycobacterium tuberculosis, the bacterium that causes tuberculosis. The acid-fast stain he developed allows for the visualization of the unique cell wall properties of this bacterium, which resists conventional staining methods.
What are examples of acid-fast organisms?
Examples of acid-fast organisms include Mycobacterium tuberculosis, Mycobacterium leprae, and Nocardia species. Acid-fast staining is a technique used to detect these bacteria, as they have a waxy substance in their cell walls that makes them resistant to standard staining methods.
Why is mycobacterium tuberculosis considered acid fast?
Saprophytic mycobacteria are acid fast and do not cause serious disease.
What are mycobacterium?
Mycobacterium are a type of bacteria that can cause various diseases in humans and animals, including tuberculosis and leprosy. They have a unique cell wall structure that makes them resistant to many antibiotics and disinfectants. Mycobacterium can be transmitted through respiratory droplets, contaminated food or water, or direct contact with infected individuals.
What is bycobacteria?
There is no listing for bycobacteria. Mycobacterium are groups of bacteria that are responsible for conditions such as leprosy and tuberculosis. Mycobacterium are generally considered gram positive strains of bacteria.
What is the difference between morphology and growth arrangement?
Morphology refers to the study of the form and structure of organisms, including their external appearance and internal organization. Growth arrangement, on the other hand, refers to the specific patterns in which organisms grow and develop over time, including the ways in which cells divide and arrange themselves in the organism's structure. Essentially, morphology focuses on the physical characteristics of an organism, while growth arrangement looks at the processes involved in its development.
What bacteria is used in acid-fast staining?
Mycobacterium species, such as Mycobacterium tuberculosis, are the bacteria commonly used in acid-fast staining due to their high lipid content in the cell wall, which makes them resistant to destaining with acid-alcohol solutions. This characteristic allows them to retain the primary stain, carbol fuchsin, and appear "acid-fast" red under the microscope.
