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Galactomyces candidus

Pre 2011 Name Galactomyces candidus

Equivalent Strain Designations NCTC 3315

Depositor W.H. Wilkins, Oxford University, UK

Deposit Date February 1931

Habitat Unknown

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Galactomyces candidus

Aerobic Utilisation and Growth

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

Strain Information

Information Reported as growing more rapidly at 20C than 25C.
This isolate recovered from an old ampoule in November 2011. Re-identified December 2012 and re-accessioned into the NCYC.
26S rDNA sequence gives 99.7% sequence identity to Galactomyces candidus.
Depositor W.H. Wilkins, Oxford University, UK
Deposit Name Oidium lactis, Oospora lactis,Geotrichum candidum
Month of deposit February
Deposit Year 1931
Habitat Unknown
Equivalent Strain Designations NCTC 3315
Reference N/A

Physical Characteristics

Optimum Temperature Unknown
Miniumum Temperature Unknown
Maximum Temperature Unknown


Shape Short-Oval to Elongated + True
Min Broth Breadth (µm) 5
Max Broth Breadth (µm) 11
Min Broth Length (µm) 18
Max Broth Length (µm) 120
Min Agar Breadth (µm) 4
Max Agar Breadth (µm) 8
Min Agar Length (µm) 18
Max Agar Length (µm) 120
Arrangement Single and in chains
Colour on Agar Cream/White
Surface on Agar Dull
Texture on Agar Rough/Furry.
Deposit in Broth Swirly/Lumpy
Ring in Broth Incomplete
Ring Colour White
Pellicle in Broth Thick
Pellicle Appearance Islands
Pellicle Habit Not Climbing

Cell Division

Budding Absent
Fission Present

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 Present
Clamp Connections Absent

Asexual Spores

Ballistospores Absent
Arthrospores Present
Endospores Absent
Chlamydospores Unknown

Sexual Spores

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


Assay Unknown
Salt Tolerant <10%
Killer Unknown
Plasmid Unknown

Semi-Anaerobic Fermentation

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

Aerobic Utilisation and Growth - Sole Sources of Nitrogen

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


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