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244 - Kluyveromyces marxianus

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Strain Information

NCYC Number:	244
Name:	Kluyveromyces marxianus
Depositor:	CMI
Deposit Name:	Saccharomyces cerevisiae, Saccharomyces intermedius
Deposit Month:	August
Deposit Year:	1951
Equivalent Strain Designations:	IMI 46336
Habitat:	Unknown
Information:	Originally deposited as Saccharomyces intermedius and later listed as Saccharomyces cerevisiae, this strain was found to have a 100% 26S rDNA D1/D2 sequence match to Kluyveromyces marxianus in January 2009. Chemo-taxonomic test results also match those expected for Kluyveromyces marxianus.

Physical Characteristics

Temperature:

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

Cells:

Shape:	Short-Oval to Elongated
Min Broth Breadth:	4
Max Broth Breadth:	6
Min Broth Length:	7
Max Broth Length:	19
Min Agar Breadth:	4
Max Agar Breadth:	6
Min Agar Length:	5
Max Agar Length:	11
Arrangement:	Singly, in Pairs & Branched C
Colour on Agar:	Cream
Surface on Agar:	Shiny
Texture on Agar:	Smooth
Deposit in Broth:	Non-Flocculent
Ring in Broth:	Absent
Ring Colour:	N/A
Pellicle in Broth:	Absent
Pellicle Appearance:	N/A
Pellicle Habitat:	N/A

Cell Division:

Budding:	Multipolar
Fission:	Absent

Filamentous Growth:

Pseudomycelium:	Fairly Well Formed
Pseudomycelium Branch:	Regular+Irregular.
Pseudomycelium Form:	Mycocandida
Blastospores:	Absent
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:	Present
Ascospore Shape:	Round
Ascospore Wall:	Smooth
Ascospore No Per Ascus:	2-4
Ascus Shape:	Oval + Elongated
Conjugation:	Absent
Teliospores:	Absent
Teliospore Shape:	N/A

Assay:	Unknown
Salt Tolerant:	10% Weak
Killer:	Unknown
Plasmid:	Unknown

Semi-Anaerobic Fermentation

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

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:	Weak/Latent
Erythritol:	-
Ribitol:	+
Galactitol:	-
Mannitol:	+
Sorbitol:	+
A M D Glucoside:	+
Salicin:	-
Lactic Acid:	+
Succinic Acid:	Weak/Latent
Citric Acid:	-
Inositol:	-
Gluconolactone:	-
Glucosamine:	-
Methanol:	-
Xylitol:	+

Sole Sources of Nitrogen

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

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

Sequence Data:	Data not available.