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  • 15N isotope  (1)
  • Chemistry  (1)
  • 1990-1994  (2)
  • 1993  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Plant and soil 152 (1993), S. 103-106 
    ISSN: 1573-5036
    Keywords: acetylene reduction ; 15N isotope ; nitrogen fixation ; nodulation ; Phaseolus vulgaris L.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Nitrogen fixation in nine common bean (Phaseolus vulgaris L.) lines was estimated using the 15N isotope dilution method at two locations in two seasons. In the first season at one location no N2 fixation was detected while in the second season up to 51 kg N ha−1 were estimated. There were significant differences between lines and correlations between trials were significant for the amounts of N2 fixed, but not for total shoot nitrogen. The plants that fixed the most nitrogen nodulated rapidly after germination. Differences in maximum nodule mass, but not specific nodule activity, were detected also.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: This publication presents the SWISS-2DPAGE database which gathers data on proteins identified on various two-dimensional polyacrylamide gel electrophoresis (2-D PAGE) maps. Each SWISS-2DPAGE entry contains data on one protein, including mapping procedures, physiological and pathological data and bibliographical references, as well as several 2-D PAGE images showing the protein location. Links are also provided to other databases such as SWISS-PROT, EMBL, PROSITE and OMIM. The database has been set up on a server which may be accessed from any computer connected to the internet and it also makes it possible to display the theoretical location of proteins, the positions of which are not yet known on the 2-D PAGE.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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