why mycoplasma is called pleomorphic?
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Important characteristics of mycoplasmal bacteria Cell wall is absent and plasma membrane forms the outer boundary of the cell. Due to the absence of cell wall these organisms can change their shape and are pleomorphic.
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1. PPLO - a mycoplasma resistant to antibiotics that causes a kind of pneumonia in humans. pleuropneumonialike organism. mycoplasma - any of a group of small parasitic bacteria that lack cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection.
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What is the difference between Gram-positive bacteria and mycoplasmas? Gram-positive bacteria have cell walls made up of peptidoglycan, while mycoplasmas have glucan in their cell walls. Gram-positive bacteria have sterols in their cytoplasmic membrane, while mycoplasmas do not.
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CHARACTERISTICS: M. pneumoniae is a respiratory tract Gram-negative spindle shaped pleomorphic bacterium, which belongs to the Mycoplasmataceae family, in the Mollicutes class 1, 3. It measures 1-2 μm long by 0.1-0.2 μm wide 4.
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Most recent answer. Mycobacteria are called acid-fast because they resist decolorization with acid alcohol due to the nature of their complex cell wall.
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25 mya. Plesiadapiforms are also called: a. adapids.
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The term dyscrasia has been used in dermatology since 1978 when Gisser and Young introduced it as a heading for neoplastic disease of T cells in a patient with “pityriasic dermatitis.” In sections of tissue from a biopsy specimen taken from lesions in that patient, the authors took note of what they called “mycosis ...
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Mycoplasma bovis is a bacterium that causes illness in cattle, including udder infections (mastitis), abortion, pneumonia, and arthritis. It affects only cattle – dairy cows and beef cattle. It does not infect humans and presents no food safety risk.
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In these fungi, plasmogamy (fusion of the cellular contents of two hyphae but not of the two haploid nuclei) results in dikaryotic hyphae in which each cell contains two haploid nuclei, one from each parent. Eventually, the nuclear pair fuses to form the diploid nucleus and thus the zygote.
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If you are referring to the first one they are to different mutations one (True Ghost) being a double recessive (Axanthic / Hypo) the other orange ghost being simple recessive also know as hypo. In the second case Hypo vs orange ghost they are the same just different lines however not all hypo lines are compatible.
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pallidum, although Micrococcus lutea, a strict aerobe with cytochrome-dependent respiration, was inhibited under similar experimental conditions. Motility of virulent T. pallidum was vigorous in the presence of O2 and sluggish or inhibited in its absence, reinforcing the role of O2 in T. pallidum metabolism.
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the clumping together in suspension of antigen-bearing cells, microorganisms, or particles in the presence of specific antibodies (agglutinins).
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Plasmodial slime molds form a single-celled, multinucleate mass, whereas cellular slime molds form an aggregated mass of separate amoebas that are able to migrate as a unified whole. Slimes molds feed primarily on bacteria and fungi and contribute to the decomposition of dead plants.
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In the treatment of mycoplasmal pneumonia, antimicrobials against M pneumoniae are bacteriostatic, not bactericidal. Tetracycline and erythromycin compounds are very effective. The second-generation tetracyclines (doxycycline) and macrolides are the drugs of choice.
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They have the following characteristics: (1) the smallest mycoplasmas are 125–250 nm in size; (2) they are highly pleomorphic because they lack a rigid cell wall and instead are bounded by a triple-layered “unit membrane” that contains a sterol (mycoplasmas require the addition of serum or cholesterol to the medium to ...
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Although ureaplasma can easily be treated, it can stay unrecognised for months because it rarely shows any symptoms. It's been found that, if left untreated, ureaplasma can be associated with infertility, premature or still birth, non-specific urethritis, chorioamnionitis, meningitis and pneumonia.
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The key difference between mycoplasma and mycobacterium is the presence of a cell wall. Mycobacterium is a genus of bacteria where all species possess a thick, protective and waxy cell wall. Mycoplasma is another unique bacterial genus in which all species do not contain a cell wall around their cell membrane.