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Rhodotorula mucilaginosa

Pre 2011 Name Rhodotorula mucilaginosa

Equivalent Strain Designations NCTC 820; IFO 0891; ATCC 20129

Depositor A. Harden, Lister Institute.

Deposit Date January 1921

Habitat Unknown

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Rhodotorula mucilaginosa

Aerobic Utilisation and Growth

Glucose +
Galactose +
Sorbose Weak/Latent
Sucrose +
Maltose +
Cellobiose +
Trehalose +
Lactose -
Melibiose -
Raffinose +
Melizitose +
Inulin -
Soluble Starch -
Xylose +
L Arabinose +
D Arabinose +
Ribose +
Rhamnose -
Ethanol +
Glycerol +
Erythritol -
Ribitol +
Galactitol -
Mannitol +
Sorbitol Weak/Latent
A M D Glucoside -
Salicin +
Lactic Acid +
Succinic Acid +
Citric Acid -
Inositol -
Gluconolactone +
Glucosamine -
Methanol -
Xylitol +

Strain Information

Information Produces unsaturated steroids (Isono M, 1971).
Depositor A. Harden, Lister Institute.
Deposit Name Rhodotorula mucilaginosa var. sanguinea
Month of deposit January
Deposit Year 1921
Habitat Unknown
Equivalent Strain Designations NCTC 820; IFO 0891; ATCC 20129
Reference Proc. Roy. Soc. Can. 1928, 22, 187.
Isono M, et al. Process for producing unsaturated steroids. US Patent 3,616,226 dated Oct 26 197.1
Goswami A, et al.. Microbiological reductions of enantiomeric 2-oxo-1,4-cineoles. Enzyme Microb. Technol. 9: 521-525, 1987.

Physical Characteristics

Optimum Temperature 31.5
Miniumum Temperature 7.4
Maximum Temperature 33.9


Shape Oval
Min Broth Breadth (µm) 3
Max Broth Breadth (µm) 4
Min Broth Length (µm) 4
Max Broth Length (µm) 6
Min Agar Breadth (µm) 2
Max Agar Breadth (µm) 4
Min Agar Length (µm) 3
Max Agar Length (µm) 6
Arrangement Single
Colour on Agar Pink
Surface on Agar Shiny
Texture on Agar Glutinous
Deposit in Broth Non-Flocculent
Ring in Broth Incomplete
Ring Colour Pink
Pellicle in Broth Absent
Pellicle Appearance N/A
Pellicle Habit N/A

Cell Division

Budding Multipolar
Fission Absent

Filamentous Growth

Pseudomycelium Absent
Pseudomycelium Branch N/A
Pseudomycelium Form N/A
Blastospores N/A
Blastospore Shape N/A
Blastospore Location N/A
Blastospore Habit N/A
True Mycelium Absent
Clamp Connections Absent

Asexual Spores

Ballistospores Absent
Arthrospores Absent
Endospores Absent
Chlamydospores Absent

Sexual Spores

Ascospores Absent
Ascospore Shape N/A
Ascospore Wall N/A
Ascospore No Per Ascus N/A
Ascus Shape N/A
Conjugation Absent
Teliospores Absent
Teliospore Shape N/A


Assay No
Salt Tolerant 10%
Killer No
Plasmid Unknown

Semi-Anaerobic Fermentation

Glucose -
Galactose -
Sucrose -
Maltose -
Cellobiose -
Trehalose -
Lactose -
Melibiose -
Raffinose -
Melizitose -
Inulin -
Soluble Starch -
Xylose Unknown
A M D Glucoside -

Aerobic Utilisation and Growth - Sole Sources of Nitrogen

NH4 2SO4 +
KNO3 -
Ethylamine +
Cadaverine +
Lysine Unknown


Vitamin Free Growth +
Cyclohex 100ppm Weak/Latent
Cyclohex 1000ppm Weak/Latent
50% Glucose Growth -
60% Glucose Growth -
Lipolytic -
Acid Production -
37c Growth -
40c Growth Unknown
Arbutin Hydrolysis Weak/Latent
Urease Activity +
Starch Production -
Acid Tolerant -