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Temperature-sensitive mutants of the slime mould Physarum polycephalum. I. Mutants of the amoebal phase. 1976

A E Wheals, and W D Grant, and B M Jockusch

A replica plating method for isolating it amoebal mutants of Physarum polycephalum has been devised. Temperature-sensitive mutations occur at a frequency after nitrosoguanidine mutagenesis of 10(-3) per survivor, are stable but are not usually expressed in the plasmodia formed from these amoebae in clones. Some of these mutants appear to be cell-cycle stage specific.

UI MeSH Term Description Entries
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D009235 Myxomycetes A division of organisms that exist vegetatively as complex mobile plasmodia, reproduce by means of spores, and have complex life cycles. They are now classed as protozoa but formerly were considered fungi. Myxomycota,Protosteliomycetes,Slime Molds, Plasmodial,Slime Molds, True,Mold, Plasmodial Slime,Mold, True Slime,Molds, Plasmodial Slime,Molds, True Slime,Myxomycete,Myxomycotas,Plasmodial Slime Mold,Plasmodial Slime Molds,Protosteliomycete,Slime Mold, Plasmodial,Slime Mold, True,True Slime Mold,True Slime Molds
D010804 Physarum A genus of protozoa, formerly also considered a fungus. Characteristics include the presence of violet to brown spores. Physarums
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D005821 Genetic Techniques Chromosomal, biochemical, intracellular, and other methods used in the study of genetics. Genetic Technic,Genetic Technics,Genetic Technique,Technic, Genetic,Technics, Genetic,Technique, Genetic,Techniques, Genetic
D005838 Genotype The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS. Genogroup,Genogroups,Genotypes
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures

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