|Category:||Primarily of interest in human medicin|
|Etymology:||Genus name: Porphyrin unit (cell).|
Species epithet: refers to the gums (gingival).
|Significance:||[Of minor importance]|
|Type Strain:||2561 = ATCC 33277 = CCUG = NCTC 11834.|
|Macromorphology (smell):||Forms brown or black colonies on blood agar due to protoheme production (0.5-3.0 mm in diameter).|
|Micromorphology:||Forms short rods (0.3-1 x 0.8-3.5 µm).|
|Gram +/Gram -:||G -|
|Other Enzymes:||Esculinase -, lipase -, tryptophanase (indole) +,|
|Disease:||Peridontitis, may also cause extraoral infections.
|Clinical Picture:||Toth loss|
|16S rRNA Seq.:|
||About 15 species have been described within genus Porphyromonas. Many species, which were earlier affiliated with genus Bacteroides, have now been transfered to genus Porphyromonas or genus Prevotella. These three genera are related and belong to the order Bacteroidales.|
|New names of taxa within the classification category phylum|
During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.Published 2022-09-28. Read more...