Duncaniella muris - mucosal-immunology-lab/bacterial-database GitHub Wiki
| Bacterial Information | Value |
|---|---|
| Taxonomy level | Species |
| NCBI Taxonomy ID | 2094150 |
| Phylum | Bacteroidetes |
| Family | Muribaculaceae |
| Genus | Duncaniella |
| Gram stain | Gram-negative |
| Oxygen requirements | Anaerobic |
| Spore-forming | No |
| Motile | No |
The species possesses all features of the genus and has broad metabolic capabilities (Lagkouvardos 2019). Cells are short rods with a mean length of 1-2.5 μm (Miyake 2020). Oxidase and catalase activity were not detected. Common respiratory quinones are MK-10, MK-11, with traces of MK-9.
Enzymes have been identified for utilisation of lactose, sucrose, melibiose, fructose, dextrin, and amylose (Lagkouvardos 2019). However, proteins involved in metabolising xylan and cellulose found in M. intestinale were not present. Degradation of starch can be followed by biosynthesis of lauroyl-KD02-lipid IV(A), completing part of LPS biosynthesis. Folate biosynthesis from RNA occurs via initial conversion into guanosine 5’-triphosphate which is then converted into dihydrofolic acid (DHF). DHF can then be converted into folate directly, or indirectly via the intermediary production of tetrahydrofolic acid.
Production of DAP-type peptidoglycan is suggested by the presence of penicillin-binding protein 1A, penicillin-binding protein 2, and penicillin-binding protein 5/6 which act to cross-link the peptidoglycan molecules (Lagkouvardos 2019). Cellular fatty acids are anteiso-C15:0 (34.4%), iso-C15:0 (23.7%), C14:0 (15.1%), anteiso-C13:0 (3.6%), C16:0 3-OH (3.4%), iso-C13:0 (3.1%), C16:0 (2.9%), C18:0 (2.7%), iso-C14:0 (2.4%), iso-C15:0 3-OH (~ 2.0%), and traces (< 2.0%) of C9:0, C10:0, C12:0, C13:1, C18:1 ω9c.