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  • 1
    Digitale Medien
    Digitale Medien
    O-acetylserine (thiol)-lyase from barley converts sodium azide to a mutagenic metabolite
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 748 (1983), S. 367-373 
    Details
    ISSN: 0167-4838
    Schlagwort(e): (Barley) ; Azide metabolite ; Mutagen ; O-Acetylserine (thiol)-lyase
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-4838(83)90181-4
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  • 2
    Digitale Medien
    Digitale Medien
    Inheritance and expression of NAD(P)H nitrate reductase in barley (1987)
    Springer
    Theoretical and applied genetics 74 (1987), S. 714-717 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Hordeum vulgare ; Mutants ; Nitrate reductase
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary NADH-specific and NAD(P)H bispecific nitrate reductases are present in barley (Hordeum vulgare L.). Wild-type leaves have only the NADH-specific enzyme while mutants with defects in the NADH nitrate reductase structural gene (nar1) have the NAD(P)H bispecific enzyme. A mutant deficient in the NAD(P)H nitrate reductase was isolated in a line (nar1a) deficient in the NADH nitrate reductase structural gene. The double mutant (nar1a;nar7w) lacks NAD(P)H nitrate reductase activity and has xanthine dehydrogenase and nitrite reductase activities similar to nar1a. NAD(P)H nitrate reductase activity in this mutant is controlled by a single codominant gene designated nar7. The nar7 locus appears to be the NAD(P)H nitrate reductase structural gene and is not closely linked to nar1. From segregating progeny of a cross between the wild type and nar1a;nar7w, a line was obtained which has the same NADH nitrate reductase activity as the wild type in both the roots and leaves but lacks NADPH nitrate reductase activity in the roots. This line is assumed to have the genotype Nar1Nar1nar7nar7. Roots of wild type seedlings have both nitrate reductases as shown by differential inactivation of the NADH and NAD(P)H nitrate reductases by a monospecific NADH-nitrate reductase antiserum. Thus, nar7 controls the NAD(P)H nitrate reductase in roots and in leaves of barley.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00247547
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  • 3
    Digitale Medien
    Digitale Medien
    Genetic mapping of the barley nitrate reductase-deficient nar1 and nar2 loci (1988)
    Springer
    Theoretical and applied genetics 75 (1988), S. 767-771 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Hordeum vulgare ; Nitrate reductase ; Linkage ; Mutants
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary The nar2 locus that codes for a protein involved in molybdenum cofactor function in nitrate reductase and other molybdoenzymes was mapped to barley chromosome 7. F2 genotypic data from F3 head rows indicated nar2 is located 8.4±2.1 and 23.0± 4.6 cm from the narrow leaf dwarf (nld) and mottled seedling (mt2) loci, respectively. This locates the nar2 locus at 54.7±3.1 cm from the short-haired rachilla (s) locus near the centromere of chromosome 7. Close linkage of nar2 with DDT resistance (ddt) and high lysine (lys3) loci was detected but could not be quantified due to deviations from the individual expected 1∶2∶1 segregations for the ddt and lys3 genes. Southern blots of wheat-barley addition lines probed with a nitrate reductase cDNA located the NADH : nitrate reductase structural gene, nar1, to chromosome 6.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00265603
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