A STUDY OF TWO ULTRAVIOLET RESISTANT MUTANTS OF E.COLI. PART I: SOME ALTERED PROPERTIES, INCLUDING VIRULENCE FOR MICE; PART II: RESISTANCE TO OTHER WAVELENGTHS AND TO AEROSOLIZATION

Authors
  1. Thomson, W.K.
  2. Carson, S.
Corporate Authors
Defence Chemical Biological and Radiation Labs, Ottawa ONT (CAN)
Abstract
Two mutants of E. coli were isolated which showed considerable resistance to ultraviolet wavelengths of 2537 A. In addition differences in colony and cell morphology were noted. The virulence of the mutant, for mice was somewhat less than the normal. Irradiation with wavelengths of 3660 angstrom did not demonstrate much lethal effect; the two mutants were no more resistant to its effects than was the parent strain. The two mutants showed little more resistance than the parent strain to natural sunlight or to irradiation provided by RS sunlamps. Each mutant did show more resistance than the parent strain to being aged in the aerosol state.
Report Number
DCBRL-438 — Previously accessioned as DSIS 64/15469
Date of publication
15 Jul 1964
Number of Pages
38
DSTKIM No
92-03855
CANDIS No
127184
Format(s):
Document Image stored on Optical Disk;Originator's fiche received by DSIS;Electronic Document(PDF)

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