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3399 - Cryptococcus flavescens

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Strain Information

NCYC Number:	3399
Name:	Cryptococcus flavescens
Depositor:	Dr. M. Stratford, Unilever Research, UK
Deposit Name:	Cryptococcus sp. nov.
Deposit Month:	September
Deposit Year:	2006
Equivalent Strain Designations:	LP48, Uni 580
Habitat:	Isolated from the environment, South Africa.
References:	Three new combinations from the Cryptococcus laurentii complex: Cryptococcus aureus, Cryptococcus carnescens and Cryptococcus peneaus . Takashima,M., Sugita,T., Shinoda,T., Nakase,T., Int J Syst Evol Microbiol, 53, p1187-94, 2003
Information:	99.3% Sequence match to CBS 942 Cr. flavescens

Physical Characteristics

Temperature:

Optimum Temperature (Degrees Celcius):
Miniumum Temperature(Degrees Celcius):
Maximum Temperature (Degrees Celcius):

Cells:

Shape:	Short-Oval to Oval
Min Broth Breadth:	4
Max Broth Breadth:	6
Min Broth Length:	5
Max Broth Length:	7
Min Agar Breadth:	3
Max Agar Breadth:	5
Min Agar Length:	3
Max Agar Length:	8
Arrangement:	Single & in groups
Colour on Agar:	White
Surface on Agar:	Shiny
Texture on Agar:	Slightly Rough
Deposit in Broth:	Non-flocculent + Lumpy
Ring in Broth:	Incomplete
Ring Colour:	White
Pellicle in Broth:	Thin
Pellicle Appearance:	Milky
Pellicle Habitat:	Not Climbing

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 Habitat:	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:	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

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

Sole Sources of Nitrogen

NH4 2SO4:	+
KNO3:	Unknown
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:	-

Sequence Data:	Data not available.