Results 261 to 270 of about 17,031,818 (292)

Novel activity and participation scales for children, adolescents, and young adults with postacute infection and vaccination syndromes and/or ME/CFS. [PDF]

open access: yesEur J Pediatr
Weidmann C   +8 more
europepmc   +1 more source

The Ecology of R Factors

New England Journal of Medicine, 1970
THE ability of many gram-negative bacilli to resist certain commonly used antibiotics has been shown to be mediated in large part by R factors.
D H, Smith, P, Gardner
openaire   +2 more sources

R Factor Transmission In Vivo

Journal of Bacteriology, 1969
Experimental infections were induced in weanling pigs orally both with nalidixic acid (NA)-sensitive and -resistant strains of Salmonella choleraesuis var. kunzendorf , designated RC221 and RC221NA, respectively. Prior to the time of infection, cultures of normal bacterial flora were isolated
H, Jarolmen, G, Kemp
openaire   +2 more sources

The molecular nature of R-factors

Journal of Molecular Biology, 1966
The acquisition of infectious multiple drug resistance factors by Proteus mirabilis was correlated with the addition of one or more physically recognizable, native, satellite DNA fractions. The spontaneous loss of one or more drug resistance characteristics carried by R-factors was correlated with either an apparent loss of particular density regions
Stanley Falkow   +3 more
openaire   +2 more sources

R factor compatibility groups

Molecular and General Genetics MGG, 1972
Eight R factors are described which fall into four compatibility groups, distinct from previously described F-like and I-like groups. E. coli K12 carrying one of these factors, TP114, supports multiplication of the I-specific phage If1. However, TP114 is fully compatible with the I-like factor T-Δ and with all the other R factors described in this ...
N D, Grindley   +2 more
openaire   +2 more sources

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