| Cross Index | Pirellula |
| SuperSet | Prokaryote, Eubacteria , Budding and/or Appendaged Bacteria |
| Compare | Prosthecate Bacteria: Ancalomicrobium adetum Asticcacaulis Caulobacter Dichotomicrobium thermohalophilum, Filomicrobium fusiforme, Hirschia baltica, Hyphomicrobium Hyphomonas, Labrys monachus , Pedomicrobium, Prosthecobacter fusiformis, Prosthecomicrobium, Stella, Verrucomicrobium spinosum Non Prosthecate Bacteria Angulomicrobium tetraedrale Blastobacter Ensifer adherans,Gallionella ferrunginea Gemmiger formicilis, Nevskia ramosa, Seliberia stellata Planctomycetales Planctomyces, Gemmata obscuriglobus , Isosphaera pallida, Pirelulla |
| Contrast | Archaea |
| Subset |
| Morphology | Pirellula |
| CELLULAR |
| Staining | |
| Morphology | unicellular ovoid to pear shaped bacteria (0.5-3.0 x 1.0-5.0 um, holdfast is produced at the narow tip of the cell |
| Motility | motile, subpolar flagellum |
| Specialized structures | LACK PEPTIDOGLYCAN, do not produce stalks, crateriform structures are located on the reproductive pole |
| Division | budding |
| COLONIAL |
| Solid surface |
| Liquid | rosette formation in pure culture |
| Growth Parameters | Pirellula |
| PHYSIOLOGICAL |
| Tropism | |
| Oxygen | reported as an aerobe (Determinative 465) and as a facultative anaerobe (page 471) |
| pH | |
| Temperature | |
| Requirements | uses glucose, fructose and pyruvate are carbon sources |
| Products | |
| Enzymes | catalase positive, oxidase positive |
| Unique features | resistant to penicillin |
| ENVIRONMENTAL |
| Habitat | freshwater lakes and ponds |
| Lifestyle | |
| Pathogenicity |
| Distribution | common |
| Genome | Pirellula |
| G+C Mol % | 64 |
| Reference | Pirellula |
| First citation | Schlesner and Hirsch 1987 IJSB 37:441 |
| The Prokaryotes | p |
| Bergey's Determinative | p 465 |
| References | Previously,Schlesner
and Hirsch 1984 IJSB 34: 492-495, named Pirella but
that name was illigitimate as it was a homonym of a genus
of fungi J. T. Staley, 1973 Can J. Microbiol 19:609-614 |