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  • particle bombardment  (4)
  • Oryza sativa L. cv. Taipei 309  (2)
  • Solanum tuberosum  (2)
  • Springer  (8)
  • American Meteorological Society
  • Cambridge University Press
  • Taylor & Francis
  • 1995-1999
  • 1955-1959  (8)
  • 1966
  • 1955  (8)
Collection
Keywords
Publisher
  • Springer  (8)
  • American Meteorological Society
  • Cambridge University Press
  • Taylor & Francis
Years
  • 1995-1999
  • 1955-1959  (8)
Year
  • 1
    Electronic Resource
    Electronic Resource
    The embryogenic potential of rice cell suspensions affects their recovery following cryogenic storage (1955)
    Springer
    Euphytica 85 (1955), S. 347-349 
    Details
    ISSN: 1573-5060
    Keywords: Oryza sativa L. cv. Taipei 309 ; rice ; cryogenic storage ; somatic embryogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The rates of recovery from cryogenic storage of suspension cultures of the Japonica rice cultivar Taipei 309, as determined by the reduction of triphenyl tetrazolium chloride and cell regrowth, were significantly influenced by the embryogenic potential of the non-frozen cultures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023966
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  • 2
    Electronic Resource
    Electronic Resource
    Transformation studies in Hordeum vulgare using a highly regenerable microspore system (1955)
    Springer
    Euphytica 85 (1955), S. 113-118 
    Details
    ISSN: 1573-5060
    Keywords: Hordeum vulgare ; isolated microspores ; particle bombardment ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A highly regenerable, isolated microspore system for barley, Hordeum vulgare L. cv. Igri, has been developed which is amenable to transformation studies using particle bombardment. The system allows DNA to be delivered to microspores at the single cell stage and both transient and stable transformation events have been demonstrated. The potential advantages of using isolated microspores as the target tissue in routine transformation systems are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023938
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  • 3
    Electronic Resource
    Electronic Resource
    Transgenic barley by particle bombardment. Inheritance of the transferred gene and characteristics of transgenic barley plants (1955)
    Springer
    Euphytica 85 (1955), S. 81-88 
    Details
    ISSN: 1573-5060
    Keywords: gene transfer ; Hordeum vulgare ; neomycin phosphotransferase II ; particle bombardment ; transgenic barley
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Transgenic barley plants (Hordeum vulgare L. cv. Kymppi) were obtained by particle bombardment of various tissues. Immature embryos and microspore-derived cultures were bombarded with gold particles coated with plasmid DNA carrying the gene coding for neomycin phosphotransferase II (NPTII), together with plasmid DNA containing the gene for β-glucuronidase (GUS). Bombarded immature embryos were grown to plants without selection and NPTII activity was screened in small plantlets. One plant proved to be transgenic (T0). This chimeric plant passed the transferred nptII gene to its T1 progeny. The presence of the nptII gene was demonstrated by the PCR technique and enzyme activity was analyzed by an NPTII gel assay. Four T0 spikes and 15 T1 offspring were transgenic. The integration and inheritance was confirmed by Southern blot hybridization. Transgenic T2 and T3 plants were produced by isolating embryos from green grains of transgenic T1 and T2 plants, respectively and growing them to plants. After selfing, the ratio of transgenic to non-transgenic T2 offspring was shown to follow the rule of Mendelian inheritance. The general performance of transgenic plants was normal and no reduction in fertility was observed. Microspore-derived cultures were bombarded one and four weeks after microspore isolation. After bombardment, cultures were grown either with or without antibiotic selection (geneticin R or kanamycin). When cultures were grown without selection and regenerated plants were transferred to kanamycin selection in rooting phase, one out of a total of about 1500 plants survived. This plant both carried and expressed the transferred nptII gene. The integration was confirmed by Southern blot hybridization. This plant was not fertile.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023933
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  • 4
    Electronic Resource
    Electronic Resource
    The phenotypic characterisation of R2 generation transgenic rice plants under field and glasshouse conditions (1955)
    Springer
    Euphytica 85 (1955), S. 395-401 
    Details
    ISSN: 1573-5060
    Keywords: Oryza sativa L. cv. Taipei 309 ; rice ; protoplasts ; direct DNA uptake ; kanamycin-resistant transgenic plants ; field trial ; glasshouse trial ; neomycin phosphotransferase II (npt II) gene ; gene expression and inheritance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The phenotypes of seed progeny (R2 generation) of Oryza sativa L. cv. Taipei 309, which carried the neomycin phosphotransferase II (npt II) gene, were compared with those of non-transformed, protoplast-derived plants of the same generation and non-transformed, seed-derived plants under field and glasshouse conditions. Under both conditions the transgenic plants were generally smaller, took longer to flower and had reduced fertility. Significant differences were observed between individuals within the group of transgenic plants. The npt II gene was present in most of the transgenic plants, but NPT II activity was only detected in a minority of individuals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023972
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  • 5
    Electronic Resource
    Electronic Resource
    Genetic engineering of cereal crop plants: a review (1955)
    Springer
    Euphytica 85 (1955), S. 35-44 
    Details
    ISSN: 1573-5060
    Keywords: cereals ; protoplast transformation ; tissue electroporation ; particle bombardment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Many aspects of basic and applied problems in plant biology can be investigated by transformation techniques. In dicotyledonous species, the ability to generate transgenic plants provides the tools for an understanding of plant gene function and regulation as well as for the directed transfer of genes of agronomic interest. For many dicotyledonous plants Agrobacterium tumefaciens can be routinely used to introduce foreign DNA into their genome. However, cereals seem to be recalcitrant to Agrobacterium-mediated transformation. In cereals, many efforts have been made in recent years to establish reliable transformation techniques. Several transformation techniques have been developed but to date only three methods have been found to be suitable for obtaining transgenic cereals: transformation of totipotent protoplasts, particle bombardment of regenerable tissues and, more recently, tissue electroporation. The current state of transformation methods used for cereals will be reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023928
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  • 6
    Electronic Resource
    Electronic Resource
    The integration of protoplast fusion-derived material into a potato breeding programme — a review of progress and problems (1955)
    Springer
    Euphytica 85 (1955), S. 451-455 
    Details
    ISSN: 1573-5060
    Keywords: Solanum tuberosum ; somatic hybridization ; regeneration ; asymmetric fusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary This paper reviews investigations into the application of protoplast fusion to the genetic and agronomic improvement of potato. Fusion studies involving Solanum tuberosum are reviewed under the categories of: fusion with wild relatives, dihaploid fusion and asymmetric strategies. The selection and characterisation of putative somatic hybrid material is identified as a critical stage in the process and certain specific aspects of this technology are identified. Future prospects for the wider uptake and integration of these techniques into breeding programmes are also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023979
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  • 7
    Electronic Resource
    Electronic Resource
    An assessment of morphogenic and transformation efficiency in a range of varieties of potato (Solanum tuberosum L.) (1955)
    Springer
    Euphytica 85 (1955), S. 101-108 
    Details
    ISSN: 1573-5060
    Keywords: Agrobacterium ; plant regeneration ; potato ; Solanum tuberosum ; tissue culture ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary To provide a truly genotype-independent transformation system, it is necessary to be able to transform a wide range of potato genotypes. The ability to regenerate shoots in vitro was determined for 34 potato varieties using tuber disc explants. Following a culture regime used extensively in previous studies with the variety Desiree, half of the varieties could be regenerated from tuber discs and half could not. From a sample of varieties that could be regenerated from tuber discs, all but one variety gave transgenic plants. Twelve varieties were evaluated for the capacity to regenerate shoots from leaf and internode explants excised from in vitro grown plants. All of the varieties tested regenerated adventitious shoots. Leaf and internode explants from 5 varieties were subsequently used for transformation, and transgenic plants were produced from two potato varieties that did not give transgenic plants from tuber disc explants. Some varieties could not be transformed by either method, and will require modification of the in vitro regeneration and transformation system to be successful.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023936
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  • 8
    Electronic Resource
    Electronic Resource
    Strategies for variety-independent genetic transformation of important cereals, legumes and woody species utilizing particle bombardment (1955)
    Springer
    Euphytica 85 (1955), S. 13-27 
    Details
    ISSN: 1573-5060
    Keywords: gene transfer ; crop species ; particle bombardment ; transgenic plants ; cereals ; legumes ; woody plants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The limiting component in the creation of transgenic crops has been the lack of effective means to introduce foreign genes into elite germplasm. However, the development of novel direct DNA transfer methodology, by-passing limitations imposed by Agrobacterium-host specificity and cell culture constraints, has allowed the engineering of almost all major crops, including formerly recalcitrant cereals, legumes and woody species. The creation of transgenic rice, wheat, maize, barley, oat, soybean, phaseolus, peanut, poplar, spruce, cotton and others, in an efficient and in some cases, variety-independent fashion, is a significant step towards the routine application of recombinant DNA methodology to the improvement of most important agronomic crops. In this review we will focus on key elements and advantages of particle bombardment technology in order to evaluate its impact on the accelerated commercialization of products based on agricultural biotechnology and its utility in studying basic plant developmental processes and function through transgenesis. Fundamental differences between conventional gene transfer methods, utilizing Agrobacterium vectors or protoplast/suspension cultures, and particle bombardment will be discussed in depth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023926
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