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NCYC 523

Vanderwaltozyma polyspora

Pre 2011 Name Kluyveromyces polysporus

Equivalent Strain Designations ATCC 22028, CBS 2163, CCRC 21397, DBVPG 6243, IFO 10782, MUCL 30238, NRRL Y-8283, UCD 57-17.

Depositor J.A. Barnett

Deposit Date May 1964

Habitat Soil, South Africa.

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Vanderwaltozyma polyspora

Aerobic Utilisation and Growth

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

Strain Information

Type Strain
Information N/A
Depositor J.A. Barnett
Deposit Name Kluyveromyces polysporus
Month of deposit May
Deposit Year 1964
Habitat Soil, South Africa.
Equivalent Strain Designations ATCC 22028, CBS 2163, CCRC 21397, DBVPG 6243, IFO 10782, MUCL 30238, NRRL Y-8283, UCD 57-17.
Reference Van der Walt, A.v.Leeuwenhoek 22: 265-272, 1956.
Roberts & Van der Walt, CR.Trav.Lab.Carlsberg 31: 29, 1959.

Physical Characteristics

Optimum Temperature Unknown
Miniumum Temperature Unknown
Maximum Temperature Unknown


Shape Round-oval
Min Broth Breadth (µm) 3
Max Broth Breadth (µm) 15
Min Broth Length (µm) 3
Max Broth Length (µm) 20
Min Agar Breadth (µm) 4
Max Agar Breadth (µm) 14
Min Agar Length (µm) 7
Max Agar Length (µm) 20
Arrangement Single
Colour on Agar Unknown
Surface on Agar Unknown
Texture on Agar Unknown
Deposit in Broth Unknown
Ring in Broth Unknown
Ring Colour Unknown
Pellicle in Broth Unknown
Pellicle Appearance Unknown
Pellicle Habit Unknown

Cell Division

Budding Multipolar
Fission Absent

Filamentous Growth

Pseudomycelium Unknown
Pseudomycelium Branch Unknown
Pseudomycelium Form Unknown
Blastospores Unknown
Blastospore Shape Unknown
Blastospore Location Unknown
Blastospore Habit Unknown
True Mycelium Unknown
Clamp Connections Unknown

Asexual Spores

Ballistospores Absent
Arthrospores Unknown
Endospores Unknown
Chlamydospores Unknown

Sexual Spores

Ascospores Unknown
Ascospore Shape Unknown
Ascospore Wall Unknown
Ascospore No Per Ascus Unknown
Ascus Shape Unknown
Conjugation Unknown
Teliospores Unknown
Teliospore Shape Unknown


Assay Unknown
Salt Tolerant Unknown
Killer Unknown
Plasmid No

Semi-Anaerobic Fermentation

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

Aerobic Utilisation and Growth - Sole Sources of Nitrogen

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


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