Specific Labeling and Physical Characterization of R-Factor Deoxyribonucleic Acid in Escherichia coli

1970 ◽  
Vol 104 (1) ◽  
pp. 331-339 ◽  
Author(s):  
Richard P. Silver ◽  
Stanley Falkow
Keyword(s):  
Escherichia Coli ◽  
Deoxyribonucleic Acid ◽  
Physical Characterization ◽  
R Factor

scholarly journals Isolation and Characterization of Thermosensitive Escherichia coli Mutants Defective in Deoxyribonucleic Acid Replication

1973 ◽  
Vol 113 (3) ◽  
pp. 1381-1388 ◽  
Author(s):  
James A. Wechsler ◽  
Volker Nüsslein ◽  
Bernd Otto ◽  
Albrecht Klein ◽  
Friedrich Bonhoeffer ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Deoxyribonucleic Acid ◽  
Isolation And Characterization

scholarly journals Physical characterization of the ilvHI operon of Escherichia coli K-12.

1981 ◽  
Vol 147 (3) ◽  
pp. 797-804 ◽  
Author(s):  
C H Squires ◽  
M De Felice ◽  
S R Wessler ◽  
J M Calvo
Keyword(s):  
Escherichia Coli ◽  
Physical Characterization ◽  
K 12

scholarly journals Characterization of the β-lactamase specified by the resistance factor R-1818 in Escherichia coli K12 and other Gram-negative bacteria

1971 ◽  
Vol 123 (4) ◽  
pp. 501-505 ◽  
Author(s):  
J. W. Dale
Keyword(s):  
Escherichia Coli ◽  
Host Species ◽  
Host Bacterium ◽  
Gram Negative Bacteria ◽  
Gram Negative ◽  
E Coli ◽  
R Factor ◽  
Relationship Of ◽  
The Relationship

1. The amino acid composition of the β-lactamase from E. coli (R-1818) was determined. 2. The R-1818 β-lactamase is inhibited by formaldehyde, hydroxylamine, sodium azide, iodoacetamide, iodine and sodium chloride. 3. The Km values for benzylpenicillin, ampicillin and oxacillin have been determined by using the R-factor enzyme from different host species. The same values were obtained, irrespective of the host bacterium. 4. The molecular weight of the enzyme was found to be 44600, and was the same for all host species. 5. The relationship of R-1818 and R-GN238 β-lactamases is discussed.

scholarly journals ISOLATION AND CHARACTERIZATION OF LIVIDOMYCIN A INACTIVATED BY PSEUDOMONAS AERUGINOSA AND ESCHERICHIA COLI CARRYING R FACTOR

1972 ◽  
Vol 25 (8) ◽  
pp. 483-484 ◽  
Author(s):  
SHINICHI KONDO ◽  
HARUO YAMAMOTO ◽  
HIROSHI NAGANAWA ◽  
HAMAO UMEZAWA ◽  
SUSUMU MITSUHASHI
Keyword(s):  
Escherichia Coli ◽  
Pseudomonas Aeruginosa ◽  
R Factor ◽  
Isolation And Characterization
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