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NCYC 232

Saccharomyces cerevisiae

Pre 2011 Name Saccharomyces cerevisiae

Equivalent Strain Designations Strain S, American yeast foam. ATCC 60782.

Depositor R.S.W. Thorne

Deposit Date June 1951

Habitat Hybrid Brewing Strain

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Details

Saccharomyces cerevisiae

Aerobic Utilisation and Growth

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

General

Pre 2011 Name Saccharomyces cerevisiae
Lodder Name No
In House Number No
Date Of Last Manipulation 28/03/2018

Brewing Information

Description No
Deposit < 8mm
Head Formation No Head
Attenuation 1.010-1.012
Clarity of Final Beer >20
Fermentation Rate 8-10°
Flocculence No

Strain Information

Information Produces group K1 killer toxin.
Does not adhere to lysophospholipids.
Depositor R.S.W. Thorne
Deposit Name Saccharomyces cerevisiae
Month of deposit June
Deposit Year 1951
Habitat Hybrid Brewing Strain
Equivalent Strain Designations Strain S, American yeast foam. ATCC 60782.
Reference Vagnoli P , et al.. Occurrence of killer yeasts in spontaneous wine fermentations from the Tuscany region of Italy. Appl. Environ. Microbiol. 59: 4037-4043, 1993.
Prakobphol A , et al. Specific adherence of Candida tropicalis to lysophospholipids. Biochemistry 33: 9496-9503, 1994.
Young TW , Yagiu M . A comparison of the killer character in different yeasts and its classification. Antonie van Leeuwenhoek 44: 59-77, 1978.
R.S.W. Thorne C.r. Trav. Lab. Carlsberg, 1951, 25, 101.
J. Ferm. Technol., 1985, 63, 421-429.

Physical Characteristics

Optimum Temperature Unknown
Miniumum Temperature Unknown
Maximum Temperature Unknown

Cells

Shape Round-oval
Min Broth Breadth (µm) 3
Max Broth Breadth (µm) 5
Min Broth Length (µm) 4
Max Broth Length (µm) 6
Min Agar Breadth (µm) 3
Max Agar Breadth (µm) 6
Min Agar Length (µm) 3
Max Agar Length (µm) 9
Arrangement Pairs
Colour on Agar Cream
Surface on Agar Shiny
Texture on Agar Unknown
Deposit in Broth Flocculent
Ring in Broth Absent
Ring Colour Unknown
Pellicle in Broth Absent
Pellicle Appearance N/A
Pellicle Habit N/A

Cell Division

Budding Multipolar
Fission Absent

Filamentous Growth

Pseudomycelium Absent
Pseudomycelium Branch N/A
Pseudomycelium Form N/A
Blastospores Absent
Blastospore Shape N/A
Blastospore Location N/A
Blastospore Habit 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 4
Ascus Shape Oval
Conjugation Absent
Teliospores Absent
Teliospore Shape N/A

Miscellaneous

Assay Unknown
Salt Tolerant Unknown
Killer Yes
Plasmid Unknown

Semi-Anaerobic Fermentation

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

Aerobic Utilisation and Growth - Sole Sources of Nitrogen

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

Other

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