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  • 1995-1999  (3)
  • Transformation  (2)
  • CILP  (1)
  • 1
    ISSN: 1432-203X
    Keywords: Key wordsAgrobacterium ; Kiwifruit ; β-1 ; 3-Endo-glucanase ; Transformation ; Disease tolerance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Kiwifruit was transformed with a soybean β-1,3-endoglucanase (EC 3.2.1.39) cDNA under the control of the cauliflower mosaic virus (CaMV) 35S RNA promoter. The introduced gene was expressed in young leaves of the transformants. Assays of protein extracts from young leaves showed an increase in enzyme activity in many transformants, the transformant with the highest level of enzyme activity having an about sixfold increase over the control plants. When leaves from control and three transformants were inoculated with Botrytis cinerea, which causes gray mold disease, the disease lesion areas for two transformants were smaller than on control plants.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-203X
    Keywords: Key wordsAgrobacterium ; Hypocotyl ; Japanese persimmon ; Transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Hypocotyl segments from the seeds of Japanese persimmon (Diospyros kaki Thunb) were cultured on a modified Murashige and Skoog medium supplemented with N-(2-chloro-4-pyridyl)-N′-phenylurea, zeatin or 6-benzylaminopurine. The highest frequency of shoot regeneration was observed when the segments were cultured on medium containing 2 mg/l of zeatin. This culture system was adapted to Agrobacterium-mediated transformation. The hypocotyl segments were inoculated with Agrobacterium tumefaciens strains harboring binary vectors, which contained the neomycin phosphotransferase II gene and the β-glucuronidase gene. Regenerated shoots were selected on a medium containing kanamycin. Histochemical GUS assay showed that the shoots regenerated from the segments inoculated with EHA101/pSMAK251 expressed the gus gene. The presence and integration of the gus gene was confirmed by polymerase chain reaction (PCR) and Southern blot analysis. The regeneration frequency of transformed shoot was 11.1%. The transgenic shoots were rooted and developed into whole plants within 4–5 months.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1435-232X
    Keywords: Key words Genomic organization ; CILP ; porcine NTPPHase ; Polymorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The CILP gene encodes a proform of two polypeptides. One of them, cartilage intermediate layer protein (CILP), is a non-collagenous protein recently isolated from human articular cartilage. The other is homologous to a porcine nucleotide pyrophosphohydrolase (NTPPHase) whose enzymatic activity is highest in articular tissue. The investigation reported here revealed that the CILP gene consists of nine exons spanning approximately 15 kb of genomic DNA on chromosome 15q22. We also report six single nucleotide variations in this gene; five of them cause amino acid changes and the most common of them substitutes isoleucine for threonine at codon 395.
    Type of Medium: Electronic Resource
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