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What is the morphology of Micrococcus luteus?
Micrococcus luteus is a Gram-positive to Gram-variable, nonmotile, tetrad-arranging, pigmented, saprotrophic coccus bacterium in the family Micrococcaceae. [1] It is urease and catalase positive. An obligate aerobe, M. luteus is found in soil, dust, water and air, and as part of the normal microbiota of the mammalian skin.
- M. luteus
- Micrococcaceae
Sep 28, 2023 · Morphology: M. luteus is typically characterized by its small, round cells (coccoid shape) that occur singly, in pairs, or in irregular clusters. The cells are non-motile and lack flagella. They are usually around 1 to 2 micrometers in diameter. Coloration: As mentioned earlier, M. luteus is known for its distinctive yellow or golden color ...
May 8, 2018 · Description: • Micrococcus luteus (M. luteus) is a Gram-positive to Gram-variable, non-motile, coccus, saprotrophic bacterium. It can form in tetrads or irregular clusters but not in chains and belongs to the family Micrococcaceae. • M. luteus was first known as Micrococcus lysodeikticus and was discovered by Alexander Fleming in 1928.
Sep 17, 2021 · The diagnosis of M. luteus BSI met the following criteria: 1) isolation of at least two consecutive blood culture samples positive for M. luteus; 2) having one of the following symptoms: fever, chill, or hypotension; and 3) exclusion of contamination during the process of sample collection and blood culture .
- Minghui Zhu, Qiang Zhu, Zhen Yang, Zhixin Liang
- 10.33073/pjm-2021-030
- 2021
- Pol J Microbiol. 2021 Sep; 70(3): 321-326.
Dec 4, 2022 · Micrococcus luteus is a oligotrophic bacteria that can be found on the skin of humans and other mammals, some foods, soil, and water. This aerobic microorganism can withstand severe and unfavorable conditions, but is not spore-forming. Instead it uses resuscitation promoting factor (Rpf) to revive itself from dormancy. [5]
Dec 22, 2023 · Metagenomic sequencing identified M. luteus as the predominant species in the sample, confirming infection. They were identified as M. luteus with a high confidence level of 98.99% using mass spectrometry.
Jan 1, 2017 · The percentages of individuals carrying various Micrococcus species were as follows: M. luteus, 90%; M. varians, 75%; M. lylae, 33%; M. nishinomiyaensis, 28%; M. kristinae, 25%; M. roseus, 15%; M. sedentarius, 13%; M. agilis, 4%.