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179 - Kluyveromyces marxianus

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Strain Information

NCYC Number:	179
Name:	Kluyveromyces marxianus
Depositor:	Mr. P. Clarke, Kraft Cheese Co. Ltd.
Deposit Name:	Saccharomyces fragilis
Deposit Month:	March
Deposit Year:	1939
Equivalent Strain Designations:	ATCC 36142
Habitat:	Cheese
References:	Steele SD , Miller JJ . Pseudomycelium development and sporulation in Saccharomyces fragilis. Can. J. Microbiol. 20: 265-267, 1974. Marwaha SS , Kennedy JF . Alcohol production from whey permeate by immobilized and free cells of Kluyveromyces marxianus NCYC 179. Process Biochem. 19: 79-80, 1984.
Information:	Pseudomycelium studies (Can. J. Microbiol., 1974, 20, 265-267); Production of ethanol (Marwaha & Kennedy 1984).

Special Applications

Special Applications:	Production: Ethanol Temperature: High Temperature: Between 40-45 C

Physical Characteristics

Temperature:

Optimum Temperature (Degrees Celcius):	41
Miniumum Temperature(Degrees Celcius):	10
Maximum Temperature (Degrees Celcius):	44

Cells:

Shape:	Long-oval
Min Broth Breadth:	2
Max Broth Breadth:	5
Min Broth Length:	4
Max Broth Length:	11
Min Agar Breadth:	2
Max Agar Breadth:	5
Min Agar Length:	4
Max Agar Length:	20
Arrangement:	Singly & in Pairs
Colour on Agar:	Cream
Surface on Agar:	Shiny
Texture on Agar:	Smooth
Deposit in Broth:	Non-Flocculent
Ring in Broth:	Absent
Ring Colour:	Unknown
Pellicle in Broth:	Absent
Pellicle Appearance:	N/A
Pellicle Habitat:	N/A

Cell Division:

Budding:	Multipolar
Fission:	Absent

Filamentous Growth:

Pseudomycelium:	Well formed
Pseudomycelium Branch:	Irregularly branched
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:	Reniform
Ascospore Wall:	Smooth
Ascospore No Per Ascus:	4
Ascus Shape:	Unknown
Conjugation:	Absent
Teliospores:	Absent
Teliospore Shape:	Unknown

Assay:	Unknown
Salt Tolerant:	Unknown
Killer:	Unknown
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

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

Sole Sources of Nitrogen

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

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

Sequence Data:	Data not available.