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  • Histone H1  (2)
  • RAPD  (2)
  • 1995-1999  (4)
  • 1955-1959
  • 1996  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Non-Mendelian and skewed segregation of DNA markers in wide crosses of the bean rust fungus,Uromyces appendiculatus (1996)
    Springer
    Current genetics 29 (1996), S. 159-167 
    Details
    ISSN: 1432-0983
    Keywords: Genetic linkage mapping ; Segregation distortion ; RAPD ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The inheritance of DNA markers was investigated in 27 F2 progeny from a single F1 hybrid derived from a wide cross inUromyces appendiculatus. This cross was unusual because asexual spores were used to fertilize sexual fruiting structures. Sixty percent of the DNA markers failed to segregate according to simple Mendelian ratios. Segregation bias was evident, in that F2 progeny inherited on average 91 % of maternal bands and 52% of paternal bands, which deviates significantly from the expected value for each of 75% for dominant markers. Because of these distortions, linkage mapping was not possible with this population. Evaluation of two F1s from a second wide cross, reciprocals obtained by normal fertilization, also showed non-Mendelian inheritance of one of three co-dominant RFLPs and five of six isozyme markers, indicating that the method of crossing was probably not responsible for the abnormal segregation patterns in the first cross. Either genetic incompatibility, similar to that of an interspecific cross, or selection of particular genotypes could explain the genetic anomalies reported here.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02221580
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Non-Mendelian and skewed segregation of DNA markers in wide crosses of the bean rust fungus, Uromyces appendiculatus (1996)
    Springer
    Current genetics 29 (1996), S. 159-167 
    Details
    ISSN: 1432-0983
    Keywords: Key words Genetic linkage mapping ; Segregation distortion ; RAPD ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The inheritance of DNA markers was investigated in 27 F2 progeny from a single F1 hybrid derived from a wide cross in Uromyces appendiculatus. This cross was unusual because asexual spores were used to fertilize sexual fruiting structures. Sixty percent of the DNA markers failed to segregate according to simple Mendelian ratios. Segregation bias was evident, in that F2 progeny inherited on average 91% of maternal bands and 52% of paternal bands, which deviates significantly from the expected value for each of 75% for dominant markers. Because of these distortions, linkage mapping was not possible with this population. Evaluation of two F1s from a second wide cross, reciprocals obtained by normal fertilization, also showed non-Mendelian inheritance of one of three co-dominant RFLPs and five of six isozyme markers, indicating that the method of crossing was probably not responsible for the abnormal segregation patterns in the first cross. Either genetic incompatibility, similar to that of an interspecific cross, or selection of particular genotypes could explain the genetic anomalies reported here.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002940050031
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Gene isolation inArabidopsis thaliana by conditional overexpression of cDNAs toxic toSaccharomyces cerevisiae: identification of a novel early response zinc-finger gene (1996)
    Springer
    Molecular genetics and genomics 252 (1996), S. 587-596 
    Details
    ISSN: 1617-4623
    Keywords: Conditional overexpression ; RING finger ; mRNA decay ; Transmembrane domain ; Histone H1 ; Auxin response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In an effort to identify novel regulatory plant genes, conditional overexpression of toxicArabidopsis thaliana gene products inSaccharomyces cerevisiae was evaluated as a genetic selection scheme. The screening method was tested on a fraction of a cDNA expression library and led to the identification of two Arabidopsis cDNA clones that were toxic to yeast; one corresponded to histone H1 and the other to a previously unidentified gene. This new gene, namedATL2, combines a RING-like zinc-binding motif and a putative signal anchor sequence for membrane insertion in the same molecule. Furthermore, inspection of the 3′ untranslated region reveals two types of sequences which appear to be key determinants in rapid transcript decay. Indeed, rapid and transient accumulation of transcript occurs in the presence of a protein synthesis inhibitor and of the growth regulator auxin. These features provide evidence thatATL2 is an early-response gene. Thus,ATL2 represents one of the first early-response plant genes to be described which possesses a distinct regulatory domain; the fact thatATL2 mRNA is induced by auxin suggests that it might have a role during the response of plants to this growth regulator.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02172405
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Gene isolation in Arabidopsis thaliana by conditional overexpression of cDNAs toxic to Saccharomyces cerevisiae: identification of a novel early response zinc-finger gene (1996)
    Springer
    Molecular genetics and genomics 252 (1996), S. 587-596 
    Details
    ISSN: 1617-4623
    Keywords: Key words Conditional overexpression ; RING finger ; mRNA decay ; Transmembrane domain ; Histone H1 ; Auxin response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  In an effort to identify novel regulatory plant genes, conditional overexpression of toxic Arabidopsis thaliana gene products in Saccharomyces cerevisiae was evaluated as a genetic selection scheme. The screening method was tested on a fraction of a cDNA expression library and led to the identification of two Arabidopsis cDNA clones that were toxic to yeast; one corresponded to histone H1 and the other to a previously unidentified gene. This new gene, named ATL2, combines a RING-like zinc-binding motif and a putative signal anchor sequence for membrane insertion in the same molecule. Furthermore, inspection of the 3′ untranslated region reveals two types of sequences which appear to be key determinants in rapid transcript decay. Indeed, rapid and transient accumulation of transcript occurs in the presence of a protein synthesis inhibitor and of the growth regulator auxin. These features provide evidence that ATL2 is an early-response gene. Thus, ATL2 represents one of the first early-response plant genes to be described which possesses a distinct regulatory domain; the fact that ATL2 mRNA is induced by auxin suggests that it might have a role during the response of plants to this growth regulator.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02172405
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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