[PDF] Top 20 Escherichia coli K-12 Mutants Altered in the
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Escherichia coli K-12 Mutants Altered in the
... uction was observed in the two mu- the subtracted blank was probably lower than the most striking alteration in MI183a real one and there was probably no valine uptake {as not in the tot[r] ... See full document
11
GALACTOSE MUTATIONS OF ESCHERICHIA COLI K-12 NOT AMENABLE TO LAMBDA TRANSDUCTION
... Two mutants (W3142 and 781) formed Gal+ clones poorly with kinase defective recipients, indicating genetically that they possess kinase defects; the other two mutants don[r] ... See full document
6
TOPOGRAPHY OF COTRANSDUCIBLE ARGININE MUTATIONS IN ESCHERICHIA COLI K-12
... The frequency of crossing over between the sites of mutations concerned with different enzymatic steps can be estimated on the basis of the average (and quite constant) yield of [r] ... See full document
13
MODIFICATION OF CONJUGATION IN ESCHERICHIA COLI K-12 BY ULTRAVIOLET IRRADIATION
... also given. FIGURE &-Effect of ultraviolet irradiation of the recipient parent on the gradient. Marker Presence is plotted as a function of marker position for variou[r] ... See full document
14
Isolation and characterization of Escherichia coli K-12 F- mutants defective in conjugation with an I-type donor
... Escherichia coli K-12 F- mutants defective in conjugation with an I-type donor (ConI-) were isolated and characterized.. These mutants are specific in.[r] ... See full document
8
TRANSPOSITION DERIVATIVES OF AN Hfr STRAIN OF ESCHERICHIA COLI K-12
... In a partially diploid F’ strain whose F’ factor carried only the region believed to be inverted, chromosome mobilization did not occur with the polarity of the parental inver[r] ... See full document
23
Replication of T4rII Bacteriophage in Escherichia coli K-12 (λ)
... A cell surface site of polyamine action is consistent with the fact that spermidine inhibits phage ghost-induced cell lysis and with the finding that sufficient polyamine is available wi[r] ... See full document
10
Altered Distribution of RNA Polymerase Lacking the Omega Subunit within the Prophages along the Escherichia coli K-12 Genome
... was observed for about 30 positions by setting a cutoff level of 5 (occupancy relative to that of wild-type RNAP) (Fig. 1). The genes that exhibited the high-level distribution of RpoZ-defective RNAP are located within ... See full document
17
Physical analysis of spontaneous and mutagen-induced mutants of Escherichia coli K-12 expressing DNA exonuclease VIII activity.
... CLARK, 1983 Restriction nuclease and enzymatic analysis of transpo- son-induced mutations of the Rac prophage which affect expression and function of recE in Escherich[r] ... See full document
13
Studies on the Mg²⁺-stimulated adenosine triphosphatase of Escherichia coli K-12
... 1 SOME PROPERTIES OF MUTANT STRAINS OF ESCHERICHIA COLI LACKING MG-PJPASE ACTI VIT r, ACTIVITIES WERE MEASURED IN MEMBRANE PREPARATIONS EXC EPT WHERE INDICATED , TARLE 1,1 WHE RE THEY HA[r] ... See full document
274
Effects of chromosomal inversion on cell fitness in Escherichia coli K-12.
... In an effort to learn what factors might mitigate the establishment of Escherichia coli variants bearing major chromosomal rearrangements, we have examined the eff[r] ... See full document
8
GENETIC ANALYSIS OF A "DOUBLE MALE" STRAIN OF ESCHERICHIA COLI K-12
... Since the distribution of unselected markers was consistent with the order of injection indicated by the gradient, it can be concluded that these three recombinant males (S15, S16[r] ... See full document
16
A network model for biofilm development in Escherichia coli K-12
... Recently, there has been a dramatic upsurge of research on biofilms aimed at pre- venting or controlling their formation or eradicating them [10], since they are often deleterious and more complex to treat than ... See full document
9
MAP POSITIONS AND SPECIFICITIES OF SUPPRESSOR MUTATIONS IN ESCHERICHIA COLI K-12
... (lacZ13) has also been reported by BECKWITH (1963b). Tests for suopression of ilv-188 by nonsense suppressors: As suppressors of ilv-188 were found to be capable of supp[r] ... See full document
22
RESTRICTION IN MATINGS OF ESCHERICHIA COLI STRAIN K-12 WITH STRAIN B
... The unlinking of linked markers is dependent upon the distance between them; closely linked markers will be unlinked less often than mxkers further apart.-A probable l[r] ... See full document
12
MAPPING OF THE d-SERINE DEAMINASE REGION IN ESCHERICHIA COLI K-12
... The order among the markers dsdA, a r d , and purC can be established by determining the proportions of the various types of recombinants that emerge from a trans[r] ... See full document
9
DUPLICATION OF A GENE BELONGING TO AN ARGININE OPERON OF ESCHERICHIA COLI K-12
... mutation is a transposed or duplicated argH locus; ( 2 " ) The sup100 mutation opens a new pathway able to transform argininosuccinate into arginine... S A N D.[r] ... See full document
12
F+ STRAINS OF ESCHERICHIA COLI K-12 DEFECTIVE IN Hfr FORMATION
... F+ cultures grown in broth than in tests with F+ cultures grown in synthetic media. Even so, the data from fluctuation tests with broth grown Type I F+ cultures could be inter[r] ... See full document
20
Repression of YdaS Toxin Is Mediated by Transcriptional Repressor RacR in the Cryptic rac Prophage of Escherichia coli K-12
... We have shown that the expression of ydaS and ydaS-T is lethal, and we attribute the essentiality of racR to its role in repressing the expression of this toxin. Earlier studies have shown the presence of two toxins, ... See full document
10
Genetic and physical analysis of plasmid recombination in recB recC sbcB and recB recC sbcA Escherichia coli K-12 mutants.
... A structural analysis of the plas- mid products purified from recB recC sbcB mutants that were transformed with either circular or linear dimer plasmid has been [r] ... See full document
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