nonpermissive conditions

nonpermissive conditions

  1. (genetics) (also called restrictive conditions) conditions under which an ORGANISM or CELL expresses a conditional MUTATION (see CONDITIONAL MUTANT and displays the MUTANT PHENOTYPE. For a CONDITIONAL LETHAL mutation, nonpermissive conditions will be lethal, causing death of the MUTANT.
  2. (virology) conditions in which VIRUS INFECTION and MULTIPLICATION do not occur in a cell.
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mreD cells was not a secondary effect of their spheroidal shape came from study of a pbp2ts strain which, when grown under nonpermissive conditions, also undergoes a rod-to-sphere transition.
MreBCD-associated Cytoskeleton is Required for Proper Segregation of the Chromosomal Terminus during the Division Cycle of Escherichia Coli
The earliest literature has offered support and a rationale for providing counseling services under nonpermissive conditions (Arbuckle & Boy, 1961; Beier, 1952; Gometz & Parker, 1968; Snoxell, 1960).
Mandated disciplinary counseling: working effectively with challenging clients
Comparison of the permissive and nonpermissive conditions allows the identification of mutants that drop out (that is, do not grow) under nonpermissive conditions.
Genomics and Bacterial Pathogenesis

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