Moraxella osloensis
Moraxella osloensis is a species of Gram-negative bacteria that are classified into the order Pseudomonadales. The most representative strain is Pseudomonas aeruginosa. Recent studies focus on Moraxella osloensis, which is considered the source of 4-methyl-3-hexenoic acid, an unpleasant odor substance that smells like a wet rag typically observed in drying laundry rooms. Moraxella osloensis is found not only in clothing but also in various places in a house. It is called damp-dry bacteria in Japanese.
Moraxella osloensis ATCC 19976 has been designated since April 2013 as optional strain bacteria for the SEK mark antibacterial manufacturing standards of the JTETC.