D4889
Deoxyribonucleic acid sodium salt from Escherichia coli strain B
Genomic, unsheared
Synonym(s):
DNA
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About This Item
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
41106310
eCl@ss:
32160414
NACRES:
NA.52
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General description
Escherichia coli strain B is most widely studied DNA after k-12. The genomes of E coli strain B and k-12 show differences in the IS sequence elements. Strain B have B-islands and express O-specific side-chain LPS. The product is unsheared genomic DNA.
Specificity
50% GC; Tm = 90.5 °C
Application
The DNAs are particularly useful for genomic analysis, including PCR, library construction in bacteriophage λ, and in heterologous pre-hybridization and hybridization protocols.
Deoxyribonucleic acid sodium salt from Escherichia coli strain B has been used for:
Deoxyribonucleic acid sodium salt from Escherichia coli strain B has been used for:
- PCR reactions of genomic DNA of Gardnerella vaginalis
- nick translation and radiolabeling of dNTP
- generating standard curve for 16S rDNA quantification
- transfecting neutrophils
- testing the extraction methods
Unit Definition
One unit will yield an A260 of 1.0 in 1.0 ml of 1 mM Tris-HCl, pH 7.5, with 1 mM NaCl and 1 mM EDTA (1 cm light path).
Preparation Note
Purified by anion exchange chromatography, dialyzed against a solution of 1 mM sodium chloride, 1 mM EDTA and 1 mM Trizma HCl, pH 7.5 and lyophilized at a concentration of approx. 2 units per mL. Approx. 20 A260 units per mg DNA. % GC is the percentage of G/C base pairs. Tm is the temperature at the midpoint of the thermal denaturation profile.
Analysis Note
Analyzed by gel electrophoresis and visualization after ethidium bromide staining, with single predominant band of 45 kB or greater.
Other Notes
DNA in solution will reanneal on standing at room temperature so it is recommended to boil the solution for 10 minutes and then cool on ice for at least 5 minutes prior to use.
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Product No.
Description
Pricing
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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M Agarwal et al.
BJU international, 88(9), 868-870 (2002-02-20)
To investigate the possible role of Gardnerella vaginalis in interstitial cystitis (IC), using molecular methods to avoid difficulties with the culture and recovery of viable organisms, and the problems associated with the recovery of low numbers of culturable organisms. Thirty-three
Yue Huo et al.
Current microbiology, 76(1), 22-28 (2018-11-02)
A Gram-positive bacterium (DCY118T) was isolated from ginseng-cultivated soil in Gochang-gun, Republic of Korea. This isolate was assigned to the genus Ornithinimicrobium and is closely related to Ornithinimicrobium kibberense K22-20T (98.8%), O. pekingense DSM 21552T (98.5%), O. algicola JC311T (98.2%)
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Jong-Pyo Kang et al.
Archives of microbiology, 201(1), 99-105 (2018-09-28)
A novel bacterial strain designated DCY116T was isolated from ginseng-cultivated soil in Gochang-gun, Republic of Korea. Strain DCY116T, belongs to the genus Rhizobium, and is closely related to Rhizobium yantingense H66T (98.3%), Neorhizobium huautlense S02T (98.2%), Rhizobium soli DS-42T (98.1%)
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