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Does Mycobacterium phlei form capsules?
No, Mycobacterium phlei is not known to form capsules. Capsule formation is more commonly associated with certain pathogenic bacteria to help evade the host immune response. Mycobacterium phlei is a non-pathogenic soil bacteria and does not typically form capsules.
Does Mycobacterium smegmatis have endospores?
No, Mycobacterium smegmatis does not form endospores. Endospores are typically formed by some bacterial species in response to harsh environmental conditions as a survival mechanism, but Mycobacterium species, including M. smegmatis, do not produce endospores.
Does Mycobacterium phlei grow on EMB agar?
Mycobacterium phlei is a non-fastidious organism that is commonly found in soil and water. It is not commonly grown on Eosin Methylene Blue (EMB) agar, as EMB agar is more selective for gram-negative enteric bacteria. Instead, Mycobacterium phlei is typically cultured on media specifically designed for mycobacteria, such as Middlebrook agar or Lowenstein-Jensen agar.
Are endospores acid fast?
Yes, endospores are acid-fast because their thick walls are resistant to most stains and dyes, including the acid-fast stain used in microbiology to detect mycobacteria like Mycobacterium tuberculosis. This resistance allows endospores to retain the stain even after decolorization with acid-alcohol.
Is cocci assotiated with endospores?
No, cocci bacteria are typically not associated with endospores. Endospores are a dormant, tough, and non-reproductive structure produced by certain bacteria like Bacillus and Clostridium, which are rod-shaped bacteria. Cocci bacteria are spherical in shape and do not produce endospores.
Mycobacterium phlei morphology?
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Does Mycobacterium phlei form capsules?
No, Mycobacterium phlei is not known to form capsules. Capsule formation is more commonly associated with certain pathogenic bacteria to help evade the host immune response. Mycobacterium phlei is a non-pathogenic soil bacteria and does not typically form capsules.
Does Mycobacterium smegmatis have endospores?
No, Mycobacterium smegmatis does not form endospores. Endospores are typically formed by some bacterial species in response to harsh environmental conditions as a survival mechanism, but Mycobacterium species, including M. smegmatis, do not produce endospores.
Does Mycobacterium phlei grow on EMB agar?
Mycobacterium phlei is a non-fastidious organism that is commonly found in soil and water. It is not commonly grown on Eosin Methylene Blue (EMB) agar, as EMB agar is more selective for gram-negative enteric bacteria. Instead, Mycobacterium phlei is typically cultured on media specifically designed for mycobacteria, such as Middlebrook agar or Lowenstein-Jensen agar.
How would an endospore stain of mycobacterium appear?
Acid fast Mycobacterium have a waxy molecule in their cell wall that will take up and retain the malachite green stain when subjected to the endospore staining process. The uniformly green appearance of endospore stained acid fast cells doesn't mean they produce endospores. These are vegetative cells that have taken up color from the heat driving malachite green into their waxy cell wall.
Are endospores acid fast?
Yes, endospores are acid-fast because their thick walls are resistant to most stains and dyes, including the acid-fast stain used in microbiology to detect mycobacteria like Mycobacterium tuberculosis. This resistance allows endospores to retain the stain even after decolorization with acid-alcohol.
Why was Mycobacterium smegmatis used instead of Mycobacterium tuberculosis?
Mycobacterium smegmatis is a non pathogenic organism so it is used in labs to study about Mycobacterium tuberculosis .
Does a saprophyte have endospores?
Endospores are able to exist for hundreds of years before they resume growth. Saprophytes are decomposing bacteria that contain endospores.
What are the advantages of producing endospores?
The main advantage of producing endospores is that they are used to ensure certain things are sterile. Autoclaves use endospores to successfully grow.
Is cocci assotiated with endospores?
No, cocci bacteria are typically not associated with endospores. Endospores are a dormant, tough, and non-reproductive structure produced by certain bacteria like Bacillus and Clostridium, which are rod-shaped bacteria. Cocci bacteria are spherical in shape and do not produce endospores.
Is mycobacterium phlei gram positive or negative?
Although mycoplasma lack a cell wall and therefore test gram negative, they are considered to be descendents of 'nonsporulating and endospore forming gram-positive bacteria' (Madigan et al., 2009), such as Lactobacilli, Bacilli and Streptococci, (Dandekar et al., 2002), which have lost their cell wall. Mycoplasmas are therfore classed as gram- positive bacteria. This is supported by ribosomal RNA and DNA analysis.
What bacteria cause leprosy?
Mycobacterium leprae.
