NCYC 1519

Schwanniomyces occidentalis var. occidentalis

Taxon Synonyms

Schwanniomyces occidentalis; Debaryomyces occidentalis var. occidentalis

Equivalent Strain Designations

R69; ATCC 58017.

Depositor

Dr. W.M. Ingledew

Deposit Date

January 1984

Habitat

Genetically defined strain.

Nagoya Protocol Restrictions

No known Nagoya Protocol restrictions for this strain.

A licence fee may be applied to products purchased for commercial use. Find out more information.

Customer Type Supplied As Recovery Media

Add to Basket

Key Information

Aerobic Utilisation and Growth

Strain Information

Information
Strain derived from ATCC26077, CBS 2863. Derepressed for amylases. Produces elevated levels of alpha-amylase and glucoamylase. Produces amylase, alpha 1A; salivary (Amylase, salivary, alpha-1A). Produces glucoamylase.
DepositorDr. W.M. Ingledew
Deposit NameSchwanniomyces alluvius, Schwanniomyces occidentalis var. oc
Month of depositJanuary
Deposit Year1984
HabitatGenetically defined strain.
Equivalent Strain DesignationsR69; ATCC 58017.
ReferenceSchwanniomyces occidentalis var. occidentalis , Meddel. Carlsberg Lab. 7: 247-251 (1909)

Dhawale, M.R. & Ingledew, W.M. 1983. Starch hydrolysis by derepressed mutants of Schwanniomyces castelli. Biotechnology Letters 5, 185-190.

Physical Characteristics

Optimum Temperature34.5
Miniumum Temperature10
Maximum Temperature37

Cells

ShapeRound
Min Broth Breadth (µm)3
Max Broth Breadth (µm)6
Min Broth Length (µm)3
Max Broth Length (µm)6
Min Agar Breadth (µm)3
Max Agar Breadth (µm)5
Min Agar Length (µm)3
Max Agar Length (µm)5
ArrangementSingle
Colour on AgarCream
Surface on AgarShiny
Texture on AgarGlutinous
Deposit in BrothNon-Flocculent
Ring in BrothAbsent
Ring ColourUnknown
Pellicle in BrothAbsent
Pellicle AppearanceUnknown
Pellicle HabitatUnknown

Cell Division

BuddingMultipolar
FissionAbsent

Filamentous Growth

PseudomyceliumWell Formed
Pseudomycelium BranchIrregularly Branched
Pseudomycelium FormUnknown
BlastosporesAbsent
Blastospore ShapeUnknown
Blastospore LocationUnknown
Blastospore HabitatUnknown
True MyceliumAbsent
Clamp ConnectionsAbsent

Asexual Spores

BallistosporesAbsent
AthrosporesAbsent
EndosporesAbsent
ChlamydosporesAbsent

Sexual Spores

AscosporesAbsent
Ascospore ShapeUnknown
Ascospore WallUnknown
Ascospores No Per AscusN/A
Ascus ShapeN/A
ConjugationAbsent
TeliosporesAbsent
Teliospore ShapeUnknown

Miscellaneous

AssayNo
Salt Tolerant -
KillerNo
PlasmidUnknown

Semi-Anaerobic Fermentation

GlucoseWeak/Latent
GalactoseWeak/Latent
Sucrose-
MaltoseWeak/Latent
Cellobiose-
Trehalose-
Lactose-
Melibiose-
Raffinose-
Melezitose-
Inulin-
Soluble StarchWeak/Latent
Xylose-
AMD Glucoside-

Aerobic Utilisation and Growth - Sole Sources of Nitrogen

NH4 2SO4+
KNO3-
Ethylamine+
Cadaverine+
LysineUnknown

Other

Vitamin Free GrowthWeak/Latent
Cyclohex 100+
Cyclohex 1000-
Glucose Growth 50-
Glucose Growth 60-
Lipolytic-
Acid Production-
Growth 37+
Growth 40Unknown
Arbutin Hydrolysis+
Urease Activity-
Starch Production-
Acid TolerantUnknown

rDNA seq

      No data
  

Genomic Sequence Data

      No data
  

National Collection of Yeast Cultures,
Quadram Institute Bioscience,
Norwich Research Park,
Norwich, NR4 7UQ, UK

+44 (0)1603 255274

© National Collection of Yeast Cultures 2026

Powered by Empresa Limited