Thermomonosporaceae

Thermomonosporaceae represents a Family of bacteria that share similar genotypic and phenotypic characteristics. The Family Thermomonosporaceae includes aerobic, Gram-positive, non-acid-fast, chemo-organotrophic Actinomycetota. They produce a branched substrate mycelium bearing aerial hyphae that undergo differentiation into single or short chains of arthrospores. All species of Thermomonosporaceae share the same cell wall type (type III; meso-diaminopimelic acid), a similar menaquinone profile in which MK-9(H6)is predominant, and fatty acid profile type 3a. The presence of the diagnostic sugar madurose is variable, but can be found in most species of this family. The polar lipid profiles are characterized as phospholipid type PI for most species of Thermomonospora, Actinomadura and Spirillospora. The members of Actinocorallia are characterized by phospholipid type PII.[3]

Thermomonosporaceae
Scientific classification
Domain:
Bacteria
Phylum:
Actinomycetota
Class:
Actinomycetia
Order:
Streptosporangiales
Family:
Thermomonosporaceae

Rainey et al. 1997[1]
Genera[2][3]
  • Actinoallomurus Tamura et al. 2009
  • Actinocorallia Iinuma et al. 1994
  • Actinomadura Lechevalier and Lechevalier 1970 (Approved Lists 1980)
  • Spirillospora Couch 1963 (Approved Lists 1980)
  • Thermomonospora Henssen 1957 (Approved Lists 1980)

The G+C content of the DNA lies within the range 66±72 mol%.[3] The pattern of 16S rRNA signatures consists of nucleotides at positions 440 : 497 (C–G), 501 : 544 (C–G), 502 : 543 (G–C), 831 : 855 (G–G), 843 (U), 844 (A) and 1355 : 1367 (A–U).[4] The type genus is Thermomonospora[5]

References
  1. Stackebrandt E, Rainey FA, Ward-Rainey NL (1997). "Proposal for a New Hierarchic Classification System, Actinobacteria classis nov". Int. J. Syst. Evol. Microbiol. 47 (2): 479–491. doi:10.1099/00207713-47-2-479.
  2. Euzéby JP, Parte AC. "Thermomonosporaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 8, 2021.
  3. Zhang Z, Kudo T, Nakajima Y, Wang Y (2001). "Clarification of the relationship between the members of the family Thermomonosporaceae on the basis of 16S rDNA, 16S-23S rRNA internal transcribed spacer and 23S rDNA sequences and chemotaxonomic analyses". Int. J. Syst. Evol. Microbiol. 51 (Pt 2): 373–383. doi:10.1099/00207713-51-2-373. PMID 11321082.
  4. Zhi XY, Li WJ, Stackebrandt E (2009). "An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa". Int. J. Syst. Evol. Microbiol. 59 (Pt 3): 589–608. doi:10.1099/ijs.0.65780-0. PMID 19244447.
  5. Henssen A (1957). "Beitrage zur Morphologie und systematic der thermophilen actinomyceten" [Contributions to the morphology and systematics of the thermophilic actinomycetes]. Arch. Mikrobiol. 26 (4): 373–414. doi:10.1007/BF00407588. PMID 13435805. S2CID 37269963.
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