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  • Electronic Resource  (8)
  • incision  (3)
  • 25.85  (2)
  • Brassica oxyrrhina  (2)
  • Cytoplasmic male sterility  (2)
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Material
  • Electronic Resource  (8)
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Isolation and characterization of the RAD2 gene of Saccharomyces cerevisiae
    Amsterdam : Elsevier
    Gene 30 (1984), S. 121-128 
    Details
    ISSN: 0378-1119
    Keywords: DNA repair ; Escherichia coli ; UV sensitivity ; deletion mutants ; excision ; incision ; pyrimidine dimers ; yeast
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(84)90112-4
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cloning and nucleotide sequence analysis of the Saccharomyces cerevisiae RAD4 gene required for excision repair of UV-damaged DNA
    Amsterdam : Elsevier
    Gene 74 (1988), S. 535-541 
    Details
    ISSN: 0378-1119
    Keywords: DNA binding ; E. coli ; Recombinant DNA ; gap repair ; histone binding ; incision ; toxic
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(88)90186-2
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Molecular cloning and characterization of the RAD1 gene of Saccharomyces cerevisiae
    Amsterdam : Elsevier
    Gene 26 (1983), S. 119-126 
    Details
    ISSN: 0378-1119
    Keywords: DNA repair ; Escherichia coli ; UV sensitivity ; deletion mutants ; excision ; incision ; pyrimidine dimers ; yeasts
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(83)90181-6
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Male sterility caused by cytoplasm of Brassica oxyrrhina in B. campestris and B. juncea (1990)
    Springer
    Theoretical and applied genetics 79 (1990), S. 285-287 
    Details
    ISSN: 1432-2242
    Keywords: Cytoplasmic male sterility ; Brassica oxyrrhina ; B. campestris ; B. juncea ; Alien gene transfer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Synthetic alloploid Brassica oxyrrhina (2n = 18, OO) x B. campestris (2n = 20, AA) was repeatedly backcrossed with B. campestris to place B. campestris nucleus in the cytoplasm of B. oxyrrhina. Alloplasmic plants, obtained in BC5 generation, were stably male sterile but mildly chlorotic during initial development. Synthetic alloploid B. oxyrrhina-campestris was also hybridized with B. juncea to transfer B. oxyrrhina cytoplasm. Segregation for green and chlorotic plants was observed in BC1 and BC2 generations. By selection, however, normal green male sterile B. juncea was obtained in BC3. Pollen abortion in both B. campestris and B. juncea is post-meiotic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225965
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  • 5
    Electronic Resource
    Electronic Resource
    Chloroplast substitution overcomes leaf chlorosis in a Moricandia arvensis-based cytoplasmic male sterile Brassica juncea (1998)
    Springer
    Theoretical and applied genetics 97 (1998), S. 1179-1182 
    Details
    ISSN: 1432-2242
    Keywords: Key words Brassica juncea ; Moricandia arvensis ; Cytoplasmic male sterility ; Chlorosis correction ; Cytoplasmic hybrids ; Chloroplast substitution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  A male sterile Brassica juncea line based on Moricandia arvensis cytoplasm was developed previously by backcrossing the somatic hybrid M. arvensis+B. juncea, and the gene for restoring fertility was introgressed. The CMS line is very severely chlorotic because of the presence of alien chloroplasts and flowering is delayed by 30–40 days, making it unsuitable for the exploitation of heterosis. We have resorted to another cycle of protoplast fusion between green fertile B. juncea and chlorotic male sterile B. juncea, and developed green male-sterile plants. Molecular analysis revealed that in green male-sterile plants chloroplasts of M. arvensis origin were substituted by those from B. juncea, giving rise to intergeneric cytoplasmic hybrids with mitochondria of M. arvensis origin. With the development of dark-green male-sterile plants, the CMS fertility restoration system is suitable for the production of hybrid mustard.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051007
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  • 6
    Electronic Resource
    Electronic Resource
    Generation and characterisation of monosomic chromosome addition lines of Brassica campestris - B. oxyrrhina (1998)
    Springer
    Theoretical and applied genetics 97 (1998), S. 976-981 
    Details
    ISSN: 1432-2242
    Keywords: Key words Chromosome addition line ; Synteny group ; Brassica campestris ; Brassica oxyrrhina ; Monosomic ; Alloplasmic ; RAPD
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Monosomic chromosome addition lines of Brassica oxyrrhina in the background of alloplasmic B. campestris carrying B. oxyrrhina cytoplasm were generated and characterised through morphology, cytology and molecular (RAPD) analysis. Four successive backcrosses of the synthetic alloploid B. oxycamp with B. campestris yielded 24 monosomic addition plants that were grouped into seven different synteny groups based on morphological similarity and RAPD patterns. Each synteny group exhibited morphological features diagnostic for the presence of individual B. oxyrrhina chromosomes including some novel phenotypes. Meiotic studies of the addition lines revealed the homoeology of four B. oxyrrhina chromosomes (synteny groups 1, 3, 5 and 6 ) with B. campestris chromosomes as indicated by trivalent associations, with the highest homoeology (44.23%) in synteny group 1 and the lowest (6.1%) in synteny group 3. Seed fertility of the addition lines ranged from 94.85% (synteny group 1) to 56.98% (synteny group 5). All of the addition lines were male-sterile except synteny group 6 which had 12–16% stainable pollen. Ovule transmission of the B. oxyrrhina chromosomes added to the progenies of addition lines ranged from 23.52% (synteny group 6) to 14% (synteny group 7). RAPD analysis confirmed the validity of synteny grouping based on morphological observations. Approximately 45% of the primers studied were informative, giving B. oxyrrhina-specific RAPD bands unique for each synteny group, except group 6.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050979
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  • 7
    Electronic Resource
    Electronic Resource
    Influence of collective rotational degrees of freedom in medium energy fission (1988)
    Springer
    The European physical journal 330 (1988), S. 103-109 
    Details
    ISSN: 1434-601X
    Keywords: 25.85
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the present work rms angular momenta have been deduced for the fission fragments corresponding to131Tem,g and133Tem,g in232Th(α 40 MeV,f) and238U(α 40 MeV,f) systems from the radiochemically determined independent isomeric yield ratios and statistical model based analysis. For131Te and133Te the rms angular momenta deduced are 5.9±1.0 and 7.9±1.2 ħ respectively in232Th(α 40 MeV,f) and 7.2±0.6 and 8.0±0.8 ħ respectively in238U(α 40 MeV,f). Comparison of the present data with the literature data for these fragments in the same compound nuclei236U* and242Pu* at lower excitation energies shows increase in the fragment angular momentum with increasing excitation energy and angular momenta of the fissioning nuclei. Fragment angular momentum deduced theoretically for asymmetric and deformed fragments on the basis of thermal equilibration of the collective rotational degrees e.g., rigid rotation, wriggling, tilting, bending and twisting modes considering the effect of multichance fission, are in good agreement with the experimental observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287271
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  • 8
    Electronic Resource
    Electronic Resource
    Correlations of fission fragment angular momentum with collective and intrinsic degrees of freedom (1988)
    Springer
    The European physical journal 331 (1988), S. 335-342 
    Details
    ISSN: 1434-601X
    Keywords: 25.85
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the present work angular momenta of the fragments corresponding to132Im,g have been deduced from the radiochemically determined independent isomeric yield ratios and statistical model based analysis in neutron induced fission of235U,239Pu and245Cm and spontaneous fission of252Cf. These data along with similar data on134I, reported earlier from this laboratory, bring out the effects of deformed 66n and spherical 82n shells on fragment angular momentum showing also an inverse correlation of the latter with elemental yields. Quantitative estimates of fragment scission point deformation and the coefficient of change of fragment angular momentum with kinetic/excitation energy have been deduced and are seen to be in good agreement with the expected theoretical estimates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01355605
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