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  • Articles: DFG German National Licenses  (3)
  • CP4/GOX  (1)
  • Cicer  (1)
  • DNA polymorphism  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Glyphosate-tolerant CP4 and GOX genes as a selectable marker in wheat transformation (1995)
    Springer
    Plant cell reports 15 (1995), S. 159-163 
    Details
    ISSN: 1432-203X
    Keywords: Wheat ; transformation ; glyphosate ; CP4/GOX ; embryos
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The lack of alternative selectable markers in crop transformation has been a substantial barrier for commercial application of agricultural biotechnology. We have developed an efficient selection system for wheat transformation using glyphosate-tolerant CP4 and GOX genes as a selectable marker. Immature embryos of the wheat cultivar Bobwhite were bombarded with two separate plasmids harboring the CP4/GOX and GUS genes. After a 1 week delay, the bombarded embryos were transferred to a selection medium containing 2 mM glyphosate. Embryo-derived calli were subcultured onto the same selection medium every 3 weeks consecutively for 9–12 weeks, and were then regenerated and rooted on selection media with lower glyphosate concentrations. Transgenic plants tolerant to glyphosate were recovered. ELISA assay confirmed expression of the CP4 and GOX genes in R0 plants. Southern blot analysis demonstrated that the transgenes were integrated into the wheat genomes and transmitted to the following generation. The use of CP4 and GOX genes as a selectable marker provides an efficient, effective, and alternative transformation selection system for wheat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00193711
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Altered development of polysomal RNA activity in chick-pea (Cicer arietinum L.) embryonic axes. Effects of abscisic acid and temperature (1985)
    Springer
    Planta 164 (1985), S. 517-523 
    Details
    ISSN: 1432-2048
    Keywords: Abscisic acid and RNA translation ; Cicer ; Embryonic axis ; Germination and temperature (seeds) ; Poly (A)RNA ; Protein synthesis ; Temperature and RNA translation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The in vitro activity of polysomal polyadenylated RNA (poly(A)RNA) was studied using chick-pea (Cicer arietinum L.) embryonic axes subjected to treatments retarding germination (H2O 30°C and abscisic acid [ABA] 30°C) or inducing a false germination (thiourea 30°C) in which normal protein synthesis and growth did not occur. All treatments induced a smaller proportion of poly(A)RNA compared with the control (H2O 25°C). However, poly(A)RNA obtained in the presence of ABA had a similar in vitro activity to that of the control. The translation of mRNA from embryonic axes germinated at high temperatures was extensively blocked (70%) by methyl-7-guanosine-5′-triphosphate, whereas mRNA translation from axes treated with H2O-25°C and ABA was completely blocked (100%), indicating a greater cap dependence in the latter cases. Polyacrylamide gel electrophoresis showed that ABA and H2O-30°C each induced the synthesis of a polypeptide with an approximate Mr of 32 kDa, probably a germination regulator. It is suggested that ABA and high temperatures could regulate germination at the translational level as well as affecting ionic-exchange properties, as has been previously demonstrated (Hernández-Nistal et al. 1983, Physiol. Plant. 57, 273–278).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00395969
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Italian population data on the loci MR, GYPA, HBGG, D7S8 and GC (1996)
    Springer
    International journal of legal medicine 109 (1996), S. 161-162 
    Details
    ISSN: 1437-1596
    Keywords: PM loci (LDLR, GYPA, HBGG, D7S8, GC) ; PCR ; DNA polymorphism ; Population genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Allele and genotype frequencies for the five loci LDLR, GYPA, HBGG, D7S8 and GC were determined for 374 unrelated Italians using a multiplex PCR-amplification and typing commercial kit. The distribution of the genotype frequencies showed no deviations from Hardy-Weinberg expectations. The combined power of discrimination and chance of exclusion for all five loci were 0.999 and 0.702, respectively. A test for homogeneity was performed and no significant differences were observed among the Caucasian population samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01369681
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    Paper (German National Licenses)
    Fulltext
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