Reference strains

Listeria monocytogenes

PTCC No: 
1297
Other collection No. :: 
ATCC 19114, NCTC 5214, WDCM 00110
Category: 
Quality control strains
Reference strains
Medium: 
Culture condition: 
37 °C
Information: 
<- ATCC <- S Paterson, HP Seeliger, F Jones, R Little, Li 23. Isolated from mammal, brain sheep circling disease. Serotype 4a. Used for enteric research, Quality control strain
Literature: 

Description (Arch Pathol 1934, 18:580; J Pathol Bacteriol 1940, 51: 427-436). Taxonomy (Seeliger HPR. Listeriosis, 2nd ed.. New York: Karger; 1961). Quality control strain (SO/CD 11133:2009, Annex E. Test microorganisms for commonly used culture media (giving information on the culture medium, culture conditions, test microorganisms, culture collection number of test organisms and the expected) reactions)

Supplied as: 
Freeze-dried
Risk group: 
2

Escherichia coli

PTCC No: 
1533
Other collection No. :: 
NCIMB 11595, ATCC 11303, CIP 103914, LMG 17555, DSM 613
Category: 
Reference strains
Medium: 
Culture condition: 
37 °C, Aerobic
Information: 
<- NCBI <- ATCC <- SE Luria, strain LuriaB. Bacteriophage host, readily produces clonial mutants. Produces L-asparaginase, production of aspartate transaminase .Used for testing of aerosol containment on cell sorters. Used for T cell rosette test
Literature: 

T cell rosette test (J Immunol Methods 1983, 60: 369-377); detection of bacteriophage (Bacteriophage-based detection methods. Washington, DC:American Public Health Association; APHA APHA2001-10.72, 2001); production of aspartate transaminase (Wood LL, Carlton GJ. Process for preparing phenylalanine. US Patent 4,710,467 dated Dec 1 1987); testing of aerosol containment on cell sorters (Cytometry 1997, 28: 99-117); control and Bioassay strain (8310 B: Growth inhibition test with freshwater ciliate Colpidium campylum. Washington, DC:American Public Health Association; Standard Methods for the Examination of Water and Wastewater, 2005 APHA8310 - Ciliated Protozoa), production of L-asparginase (Adv Enzymol Relat Areas Mol Biol 1973, 39:185-248)

Supplied as: 
Freeze-dried
Risk group: 
2

Lactobacillus delbrueckii subsp. lactis

PTCC No: 
1057
Other collection No. :: 
ATCC 7830, NCIB 8118, DSM 20355
Category: 
Reference strains
Medium: 
Culture condition: 
37 °C, 5% CO2
Information: 
<- ATCC <- RP Tittsler (deposited as Lactobacillus leichmannii). Synonym(s): Lactobacillus leichmannii (Henneberg 1903) Bergey et al, 1923. Lactobacillus lactis (Orla-Jensen 1919) Bergey et al, 1934. Assay of vitamin B12 (Cobalamin). Used as starter for fermented meat product under UK patent.
Literature: 

Vitamin assays (AOAC International Vitamin assays, microbiological method. Gaithersburg, MD:AOAC International; AOAC "Official Methods of Analysis of the AOAC International" 960.46; Dietary Supplements: Oil-and Water-Soluble Vitamins with Minerals Tablets. Rockville, MD:U.S. Pharmacopeia, USP USP28-NF23, 2005). Assay of vitamine B12 (J Biol Chem 1948, 176: 1465-1466; AOAC International Cobalamin (vitamin B12 activity) in milk-based infant formula, turbidimetric method. Gaithersburg, MD:AOAC International, AOAC "Official Methods of Analysis of the AOAC International" 986.23; Dietary Supplements: Oil-and Water-Soluble Vitamins with Minerals Tablets. Rockville, MD:U.S. Pharmacopeia, USP USP28-NF23, 2005).

Supplied as: 
Freeze-dried
Risk group: 
1

Saccharomyces cerevisiae

PTCC No.: 
5051
Category: 
Reference strains
Other collection No.: 
ATCC 9080, ATCC 24904, CBS 2354, DSM 70424, NCTC 7014, NCYC 74
Medium: 
Culture condition: 
25 °C
Information: 
<- ATCC <- ATCC (S. uvarum) <- Hillman Hospital, Birmingham, Alabama, USA, Strain 4228. Deposited as Saccharomyces carlsbergensis. Assay of pantothenic acid, pyridoxal, pyridoxamine, pyridoxine vitamin B6, vitamin B6 complex. Ferments maltose. Produces alpha-glucosidase maltase, ergosterol, nicotinic acid niacin, pyrophosphatases, niacin-related compounds, and alpha-glucosidase in brewery waste. Produces yeast proteinase B inhibitor IB3 and endo-deoxyribonuclease A. Used in food testing.
Literature: 

Pantothenic acid assay (Appl. Microbiol. 14: 462-465, 1966. PubMed: 5970831). Assay of pyridoxine, pyridoxal, pyridoxamine (AOAC International Vitamin B6 (pyridoxine, pyridoxal, pyridoxamine) in food extracts, microbiological method. Gaithersburg, MD:AOAC International;AOAC "Official Methods of Analysis of the AOAC International" 961.15., AOAC International Vitamin B6 (pyridoxine, pyridoxal, pyridoxamine) in ready-to-feed milk-based infant formula, microbiological method. Gaithersburg, MD:AOAC International;AOAC "Official Methods of Analysis of the AOAC International" 985.32., Determination of vitamin B6 by microbiological assay. London, UK: British Standards Institution; British Standard DD ENV 14166:2001). Production of intracellular alpha-glucosidase (Acta Cient. Venez. 40: 40-45, 1989. PubMed: 2700112). Production of proteinase B inhibitor IB3 (Eur. J. Biochem. 101: 325-332, 1979. PubMed: 118002). Production of endo-deoxyribonuclease (European Patent Office Publ. No. 0060465A2 dated Sep 9 1982). Regulation of maltose fermentation (Mol. Gen. Genet. 123: 233-246, 1973. PubMed: 4731427)

Supplied as: 
Freeze-dried
Risk group: 
1

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