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Chapter
Transgenic Arabidopsis
A nuclear gene locus of (Arabidopsis thaliana L.) (Rédei, 1973; Rédei and Plurad, 1973) causes hereditary alterations in the genetic material of the plastids. Its effectiveness is quite remarkable i...
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Chapter
Mutation Induction and Detection in Arabidopsis
Mutation is an infrequent event, and the stability of the various gene loci is quite different. Additional complexity appears when mutability is studied in different taxonomic groups displaying a variety of ge...
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Chapter
Sensitivity, Specificity and Accuracy of the Arabidopsis Assay in the Identification of Carcinogens
In 61 laboratories using a variety of prokaryotic and eukaryotic short-term assays a maximum of 42 chemicals were tested. The purpose of the study was to identify the best battery of assays for screening carci...
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Chapter
Arabidopsis Assay of Environmental Mutagens
In the past, Arabidopsis assays have been employed for testing the mutagenic effects of a variety of chemicals. Although it is potentially useful for determining mutagenic hazards of complex mixtures, this specie...
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Chapter
Induction of Auxotrophic Mutations in Plants
Auxotrophic mutants in microorganisms have contributed most importantly to the rapid development of genetics and biochemistry in the last three decades. Their usefulness is not limited to elucidation of the ge...
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Chapter
Genetic Mechanisms in Differentiation and Development
“In the study of most biological, biochemical, and molecular-genetic problems, just as in the study of many other scientific problems, a full analysis of the facts obtained by experimental investigation of act...
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Article
An anomaly of the genetic regulation of the de novo pyrimidine pathway in the plant Arabidopsis
Humans afflicted by hereditary orotic aciduria are characterized by insufficiencies in the de novo pyrimidine pathway. Mutants at a nuclear gene locus in Arabidopsis, in contrast, exhibit increased activities of ...
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Article
Plastid differentiation on 6-azauracil media
Les mutants au locusm de l'Arabidopsis ne réussissent pas à former de chloroplastes normaux dans certaines conditions et montrent des activités plus hautes en synthèse de pyrimidines que le témoin. La nutrition a...
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Article
Hereditary structural alterations of plastids induced by a nuclear mutator gene inArabidopsis
Homozygosity for mutant alleles at thechm locus inArabidopsis induces structural alterations in the plastids. The newly arisen plastid alterations are hereditary, autonomous from the inducer gene, and show matern...
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Article
Thiamine mutants of the crucifer, Arabidopsis
In higher plants the only obligate organoauxotrophic mutants available are concerned with the synthesis of thiamine, vitamin B1. In Arabidopsis 65 mutants, representing four loci controlling four different steps ...
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Article
Direct evidence for models of heterosis provided by mutants of Arabidopsis blocked in the thiamine pathway
Auxotrophic mutants genetically blocked at different steps of the thiamine pathway dramatically demonstrate the biochemical mechanism of hybrid vigor due to simple and perfect dominance at two unlinked loci. H...
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Article
Genetic estimate of cellular autarky
Huit mutants récessifs viables de l'Arabidopsis, une plante supérieure, traités par rayons X en hétérozygotie ont produit des secteurs somatiques distincts. Il semble aussi que la majorité des mutations viables s...
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Article
A phylogenetic comparison of mutation spectra
Spectra of induced mutations resulting in obligate organoauxotrophy are compared at different phylogenetic levels from bacteria to higher plants. It appears that the spectra of mutants concerned with basic cel...
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Article
Early flowering in Arabidopsis induced by DNA base analogs
Various isogenic lines of Arabidopsis differing in a single factor controlling flower initiation were cultured aseptically on media containing bromodeoxycytidine and bromodeoxyuridine (10-5 M). The wild type unde...
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Article
Acceleration of flowering of the long-day plant Arabidopsis by 8-azaadenine
The incorporation of 8-azaadenine (2×10-5M) to the aseptic culture medium reduced the time required for develo** macroscopically visible flower primordia and the number of leaves appearing before the first flow...
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Article
Multiple Allelic Control of Chlorophyll b Level in Arabidopsis thaliana
IN maize, the plant best known genetically, there are no viable chlorophyll b deficient mutants1,2. Röbbelen3 described an Arabidopsis mutant devoid of this pigment which was, however, a lethal one. It has been r...
