Polyphasic taxonomy of Penicillium subgenus Penicillium A ... - CBS

J. C. FRISVAD &R.A.SAMSONP. dipodomyis (Frisvad, Filt. & Wicklow) Banke,Frisvad & S. Rosendahl, Int. Mod. Tax. Meth.Pen. Asp. Clas.: 271, 2000.In Penicillium subgenus Penicillium section Chrysogenaseries ChrysogenaType: Herb. IMI 296926Culture ex type: IBT 5333 = CBS 110412 = NRRL 13485= NRRL A-26836 = IMI 296926, ex cheek pouch ofkangaroo rat, 6 km east of Portal, Arizona (T)Diagnostic features: Penicillin F & G, dipodazin, darkgreen smooth-walled conidiaSimilar species: P. dipodomyis is more consistently terverticillatethan P. nalgiovense.Description:Conidiophores: Bi-, terverticillate, both appressed anddivergent rami born from aerial and subsurface hyphae,some stipes sinoidConidia: Smooth-walled, globose to subglobose, 2.5-4 μm x2.3-3.5 μmPhialides: Cylindrical, with short broad collula, 7-9 μm x2.3-2.5 μmMetulae: Cylindrical, 8-12 μm x 2.5-4 μmRami: Cylindrical, 15-22 μm x 3-4 μmStipes: Smooth to finely rough-walled, 200-300 μm x 3-4μmSynnemata or fasciculation: NoneSclerotia: NoneColony texture: VelutinousConidium colour on CYA: Dark greenExudate droplets on CYA: Present, clearReverse colour on CYA: Cream colouredReverse colour on YES: Yellow to orangeDiffusible colour: NoneEhrlich reaction: NoneOdour and volatile metabolites: Not testedExtrolites: 1) Penicillin F and G, 2) DipodazinGrowth on creatine: PoorAcid and base production on creatine: No acid or acid undercolony, no baseGrowth on UNO: Very goodGrowth on nitrite: Good (one isolate weak)Abiotic factors:Diam., 1 week, 25°C: CYA: 25-34 mm; MEA: 18-30 mm;YES: 28-45 mm; CREA: 13-18 mm; Cz: 13-20 mm, OAT:20-26 mm: CYAS: 31-40 mm; CzBS: 13-18 mm; CzP: 0mm; UNO: 11-19 mm; DG18: 26-34 mmDiam., 1 week: 15°C: 17-21 mm; 30°C: 15-18 mm; 37°C:0-4 mmCYA/CYAS: 0.9 [0.8-1.0]CYA15°C/CYA 25°C: 0.6 [0.6-0.7]CYA30°C/CYA 25°C: 0.5 [0.4-0.6]CZBS/CZ: 0.9 [0.8-1.0]CZP/CZ: 0Distribution: Western states of USA, Saudi ArabiaEcology and habitats: Deserts, kangaroo rat mounds andcheek pouches, soil near salt lakes, leather harnessBiotechnological applications: NoneBiodeterioration & phytopathology: May deteriorateleatherMycotoxicoses and mycotoxins: None knownTypical cultures: IBT 21522 = CBS 170.87, ex kangaroorat, Arizona, USA (Y); IBT 11425 = CBS 110415, exharness, Saudi Arabia; IBT 12700 = CBS 110414, exkangaroo rat, Seviletta, New Mexico, USA; IBT 17759 =CBS 110413; ex barley, Star Valley, Wyoming, USA; IBT20227 = CBS 112578, ex soil with 14% salt, AntelopeIsland, Salt Lake, Utah,USA; IBT 3353 = CBS 112570, exsoil, Walnut Crater, Arizona, USA; IBT 3356 = CBS112316; seeds of an Amaranthus sp., Arizona, USA.96