Rothia kristinae

Rothia kristinae is a Gram positive bacterium.[2] R. kristinae is a common human skin organism, but can cause opportunistic infections in humans.[4]

Rothia kristinae
Scientific classification
Domain: Bacteria
Phylum: Actinomycetota
Class: Actinomycetia
Order: Micrococcales
Family: Micrococcaceae
Genus: Rothia
Species:
R. kristinae
Binomial name
Rothia kristinae
(Kloos et al. 1974) Nouioui et al. 2018[1][2]
Type strain
ATCC 27570
CCM 2690
CCUG 33026
CIP 81.69
DSM 20032
IEGM 390
IFO 15354
JCM 7237
LMG 14215
NBRC 15354
NCTC 11038
NRRL B-14835
VKM B-1811
Synonyms
  • Micrococcus kristinae Kloos et al. 1974 (Approved Lists 1980)[2]
  • Kocuria kristinae (Kloos et al. 1974) Stackebrandt et al. 1995[3]

Background

In 1974, a novel bacterium was isolated from the skin of a healthy adult woman. The novel species was originally named Micrococcus kristinae, and was named after the person from which it was first isolated (Kristin Holding).[2] (Micrococcus lylae was also first isolated during the same study)[2] In 1995, the species was reclassified into the genus Kocuria as Kocuria kristinae.[3] In 2018, further studies reclassified the species into genus Rothia as Rothia kristinae.[1]

R. kristinae is Gram-positive, and the cells are coccoid which tend to group together as tetrads. It is slightly facultatively anaerobic, and forms pale cream to pale orange colonies when grown on agar. The optimum growth range is 25–37 °C, and is resistant to lysozyme.[2]

R. kristinae is a common skin and oral microorganism in humans. However, it can cause opportunistic infections for the immunocompromised.[4]

References
  1. Nouioui, Imen; Carro, Lorena; García-López, Marina; Meier-Kolthoff, Jan P.; Woyke, Tanja; Kyrpides, Nikos C.; Pukall, Rüdiger; Klenk, Hans-Peter; Goodfellow, Michael; Göker, Markus (2018). "Genome-Based Taxonomic Classification of the Phylum Actinobacteria". Frontiers in Microbiology. 9. doi:10.3389/fmicb.2018.02007.
  2. Kloos, W. E.; Tornabene, T. G.; Schleifer, K. H. (1974). "Isolation and Characterization of Micrococci From Human Skin, Including Two New Species: Micrococcus lylae and Micrococcus kristinae". International Journal of Systematic Bacteriology. 24 (1): 79–101. doi:10.1099/00207713-24-1-79. ISSN 0020-7713.
  3. Stackebrandt, E.; Koch, C.; Gvozdiak, O.; Schumann, P. (1 October 1995). "Taxonomic Dissection of the Genus Micrococcus: Kocuria gen. nov., Nesterenkonia gen. nov., Kytococcus gen. nov., Dermacoccus gen. nov., and Micrococcus Cohn 1872 gen. emend". International Journal of Systematic Bacteriology. 45 (4): 682–692. doi:10.1099/00207713-45-4-682.
  4. Chen, Hsin-Mao; Chi, Hsin; Chiu, Nan-Chang; Huang, Fu-Yuan (1 February 2015). "Kocuria kristinae: A true pathogen in pediatric patients". Journal of Microbiology, Immunology and Infection. 48 (1): 80–84. doi:10.1016/j.jmii.2013.07.001.


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