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  • DNA sequence composition  (1)
  • Life and Medical Sciences
  • MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
  • Polymer and Materials Science
  • 1995-1999  (2)
  • 1940-1944
  • 1996  (2)
Collection
Keywords
Publisher
Years
  • 1995-1999  (2)
  • 1940-1944
Year
  • 1
    Electronic Resource
    Electronic Resource
    Molecular analysis of the structure of the maize B-chromosome (1996)
    Springer
    Chromosome research 4 (1996), S. 15-23 
    Details
    ISSN: 1573-6849
    Keywords: B-chromosome ; DNA sequence composition ; PREM-1 element ; random amplification of polymorphic DNA ; Zea mays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The overall composition of the maize B is similar to that of the standard chromosome complement (A-chromosomes). This has been demonstrated by the use of several methods including: (a) genomicin situ hybridization (GISH), (b) analysis of highly repetitive sequences by the comparison of restriction digests of 0B and +B DNA and (c) the characterization of middle-repetitive cloned sequences. By the use of the technique of random amplification of polymorphic DNA-polymerase chain reaction, we have identified a B-specific repetitive sequence family. Sequence analysis of the B-specific clone reveals a relationship to the PREM-1 family of maize retroelements, which are preferentially transcribed in pollen. These results suggest an internal origin of the B-chromosome from within the maize genome, but demonstrate also that specific sequences can evolve by rapid processes of genomic turnover. Models for the origin of the maize B are discussed in the context of the present data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02254939
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Yeast Protein Serine/Threonine Phosphatases: Multiple Roles and Diverse Regulation (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 12 (1996), S. 1647-1675 
    Details
    ISSN: 0749-503X
    Keywords: yeast ; phosphorylation ; protein phosphatase ; PP1 ; PP2A ; PP2B ; calcineurin ; Sit4 ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Since the isolation of the first yeast protein phosphatase genes in 1989, much progress has been made in understanding this important group of proteins. Yeast contain genes encoding all the major types of protein phosphatase found in higher eukaryotes and the ability to use powerful genetic approaches will complement the wealth of biochemical information available from other systems. This review will summarize recent progress in understanding the structure, function and regulation of the PPP family of protein serine-threonine phosphatases, concentrating on the budding yeast Saccharomyces cerevisiae.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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