''Phyllobacterium catacumbae'' is a

Gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

, aerobic, motile

bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

with a polar tuft of

flagella A flagellum (; ) is a hairlike appendage that protrudes from certain plant and animal sperm cells, and from a wide range of microorganisms to provide motility. Many protists with flagella are termed as flagellates. A microorganism may have f ...

in the genus ''

Phyllobacterium ''Phyllobacterium'' is a genus of Gram-negative, oxidase- and catalase-positive, aerobic bacteria. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature List of Prokaryotic names w ...

''. It was isolated from the

tuff Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is lithified into a solid rock. Rock that contains greater than 75% ash is considered tuff, while rock cont ...

(a type of rock) walls of

Saint Callixtus Pope Callixtus I, also called Callistus I, was the bishop of Rome (according to Sextus Julius Africanus) from c. 218 to his death c. 222 or 223.Chapman, John (1908). "Pope Callistus I" in ''The Catholic Encyclopedia''. Vol. 3. New York: Robert Ap ...

' catacomb in Rome, Italy.

References

External links

Type strain of ''Phyllobacterium catacumbae'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Phyllobacteriaceae Bacteria described in 2005 {{Phyllobacteriaceae-stub