Streptomyces avidinii

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Streptomyces avidinii
Scientific classification
Kingdom:
Bacteria
Phylum:
Actinobacteria
Class:
Actinobacteria
Order:
Actinomycetales
Family:
Streptomycetaceae
Genus:
Streptomyces
Species:
S. avidinii
Binomial name
Streptomyces avidinii
Stapley et al. 1964 [1]
Type strain
AS 4.1583, ATCC 27419, BCRC 13384, BIO K-172, CBS 730.72, CCRC 13384, CCUG 54639, CGMCC 4.1583, CNCTC 7369, DSM 40526, IFO 13429, IMET 43538, ISP 5526, JCM 4726 , KCC S-0726, KCCM 11844, KCCS-0726, KCTC 9757, MA-833, MTCC 1808, NBRC 13429, NCIMB 11996, NRRL 3077, NRRL-ISP 5526, PCM 2342, RIA 1390, VKM Ac-1074, VTT E-73016 [2]

Streptomyces avidinii is a bacterium species from the genus of Streptomyces which produces streptavidin. [1] [3] [4] [5]

<i>Streptomyces</i> genus of Actinobacteria

Streptomyces is the largest genus of Actinobacteria and the type genus of the family Streptomycetaceae. Over 500 species of Streptomyces bacteria have been described. As with the other Actinobacteria, streptomycetes are gram-positive, and have genomes with high GC content. Found predominantly in soil and decaying vegetation, most streptomycetes produce spores, and are noted for their distinct "earthy" odor that results from production of a volatile metabolite, geosmin.

Streptavidin

Streptavidin is a 52.8 kDa protein purified from the bacterium Streptomyces avidinii. Streptavidin homo-tetramers have an extraordinarily high affinity for biotin. With a dissociation constant (Kd) on the order of ≈10−14 mol/L, the binding of biotin to streptavidin is one of the strongest non-covalent interactions known in nature. Streptavidin is used extensively in molecular biology and bionanotechnology due to the streptavidin-biotin complex's resistance to organic solvents, denaturants, detergents, proteolytic enzymes, and extremes of temperature and pH.

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References

  1. 1 2 LPSN bacterio.net
  2. ↑ Straininfo of Streptomyces avidinii
  3. ↑ UniProt
  4. ↑ Deutsche Sammlung von Mikroorganismen und Zellkulturen
  5. ↑ Boulton, TJ (October 1979). "The validity of screening for hypercholesterolaemia at different ages from 2 to 17 years". Australian and New Zealand Journal of Medicine. 9 (5): 542–6. doi:10.1111/j.1445-5994.1979.tb03392.x. PMID   231425.

Further reading

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