Induced mutations
Spectrum of Chemically Induced Mutations From a Large-Scale Reverse-Genetic Screen in Arabidopsis
... of mutations from phenotypic ...(EMS)-induced mutations in 192 Arabidopsis thaliana target genes from a large-scale TILLING reverse-genetic project, about two orders of magnitude larger than previous ...
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FURTHER DATA ON THE OVERDOMINANCE OF INDUCED MUTATIONS
... I t is true that we did observe that newly induced mutations in heterozygous condition, on the average, appeared to increase viability of in- dividuals homozygous for [r] ...
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INDUCED MUTATIONS IN HORSEGRAM (Macrotyloma uniflorum (LAM.) VERDC) : CHLOROPHYLL MUTATIONS, MUTAGENIC EFFICIENCY AND EFFECTIVENESS
... In the present investigation lower concentrations of EMS showed higher mutagenic effectiveness. Sharma et al., (2005) also reported higher mutagenic effectiveness at lower dose /concentrations of gamma rays and EMS in ...
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Mutations at the Darkener of apricot locus modulate transcript levels of copia and copia-induced mutations in Drosophila melanogaster.
... Effects of Doa mutations on eopia RNA levels: Increased accumulation of transcripts initiating in the LTRs of the w"-copia in Doa mutants led us to deter- mine wheth[r] ...
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AN ANALYTICAL STUDY OF GENETIC VARIABILITY IN INDUCED MUTATIONS WITH THE HELP OF SUNFLOWER
... 6. Girigaj, K., Bentur, M.G. and Parameshwarappa, K.G., 2004. Genetic amelioration for earliness and high test weight through induced chemical mutagenesis in restorer lines of sunflower. Proc. 16 th International ...
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A Test for Epistasis Among Induced Mutations in Caenorhabditis elegans
... the assumptions of models of the maintenance of sex. low those from other species, which range from 0.0074 However, the nature of epistasis among mutations seems in E. coli (Elena and Lenski 1997) to 0.014 in A. ...
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ARE INDUCED MUTATIONS IN DROSOPHILA OVERDOMINANT? I. EXPERIMENTAL DESIGN
... Even if we included as detectable those having, when homozygous, viability effects of as little as five percent but no visible effect we should expect (extrapolating from [r] ...
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ARE INDUCED MUTATIONS IN DROSOPHILA OVERDOMINANT? II. EXPERIMENTAL RESULTS
... It should, however, be noted that a number of lines which gave too few progeny (less than 20 flies in at least one of the eight phenotypic groups) were eliminated from the calcu[r] ...
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THE EFFECT OF RADIATION-INDUCED MUTATIONS ON THE FITNESS OF DROSOPHILA POPULATIONS
... The population cages and the technique for counting the total adult population were described by BLAYLOCK (1967). The total number of adults of each species were co[r] ...
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Efficient recovery of ENU-induced mutations from the zebrafish germline.
... Mosaic mutants-mutagenic effect on post-meiotic germ cells: Males treated with different EMS and ENU mutagenic regimens produced initially a high incidence of embryos mosaic for[r] ...
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ACTINOMYCIN D EFFECTS ON THE FREQUENCY OF RADIATION-INDUCED MUTATIONS IN DROSOPHILA
... BURDETTE (1961) found that the frequency of sex-linked recessive lethals induced in Drosophila by X rays is reduced when larvae are reared on culture medium containin[r] ...
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Breeding Sorghum Using Induced Mutations: Future Prospect for Namibia
... The productivity of grain sorghum in Namibia is less than 300 kg/ha [1]. The poor yields are a result of biotic and abiotic stresses besides non-adoption of improved cultivars and management practices [45]. Prominent ...
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Canalization by Selection of de Novo Induced Mutations
... the induced re- lease of dTAF-2, a factor required for heterochromatin assem- bly (Seong et ...arrays induced by stress can be transgenerationally transmitted (Klosin et ...
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DNA REARRANGEMENTS ASSOCIATED WITH REVERSION OF BACTERIOPHAGE MU-INDUCED MUTATIONS
... To study the process of Mucts X excision from the lacZ gene, we have analyzed large numbers of Mel+ (imprecise excision events) and Lac+ (precise excision events) revertants [r] ...
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GENETIC EFFECTS OF SPERMATOGONIAL IRRADIATION ON GROWTH AND AGE AT SEXUAL MATURITY IN RATS
... Analyses of the means, the within-litter variances, and the covariances between offspring and parent, indicate that the average heterozygous effects of induced mutations are[r] ...
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POPULATION SIZE AND GENETIC LOAD IN IRRADIATED POPULATIONS OF DROSOPHILA MELANOGASTER
... The absence of any sustained increases in fitness in the irradiated populations, therefore, indicates that increased viability effects of newly induced mutations, if the[r] ...
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THE INFLUENCE OF DOSE ON THE SPECTRUM OF RADIATION-INDUCED MUTANTS AFFECTING A QUANTITATIVE CHARACTER IN YEAST
... Assuming that the frequency of induced mutations increased linearly with dose of radiation, it is evident from the high estimated frequency of minor mutants induced [r] ...
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Genetic Analysis of Drosophila melanogaster Polytene Chromosome Region 44D–45F: Loci Required for Viability and Fertility
... identify mutations in genes in the 45A region on the right arm of chromosome 2 that are involved in oogenesis in Drosophila was ...sterile mutations in the region had previously been identified in screens ...
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ENU induced phenovariance in mice: inferences from 587 mutations
... incidental mutations, we also observed that certain amino acid substitutions were more likely to be found among either the pheno- typic or the incidental class of ...phenotypic mutations than incidental ...
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Molecular Analysis of EMS-Induced frizzled Mutations in Drosophila melanogaster
... The fizzzkd (4) gene of Drosophila is essential for the development of normal tissue polarity in the adult cuticle of Drosophila. In 4 mutants the parallel array of h[r] ...
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