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  • HPLC  (2)
  • Key words RFLPs  (2)
  • Oryza  (2)
  • Springer  (4)
  • Blackwell Publishing Ltd
Collection
Keywords
Publisher
  • Springer  (4)
  • Blackwell Publishing Ltd
  • Elsevier  (1)
Years
  • 1
    Electronic Resource
    Electronic Resource
    A comparative map of wild rice (Zizania palustris L. 2n=2x=30) (1999)
    Springer
    Theoretical and applied genetics 99 (1999), S. 793-799 
    Details
    ISSN: 1432-2242
    Keywords: Key words RFLPs ; Synteny ; Oryza ; Oat ; Map
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  We present the first genetic map of wild rice (Zizania palustris L., 2n=2x=30), a native aquatic grain of northern North America. This map is composed principally of previously mapped RFLP (restriction fragment length polymorphism) genetic markers from rice (Oryza sativa 2n=2x=24). The map is important as a foundation for genetic and crop improvement studies as well as a reference for genome organization comparisons among species of Gramineae. A comparative mapping approach with rice is especially useful because wild rice is grouped in the same subfamily, Oryzoideae, and no other mapping comparison has yet been made within the subfamily. As rice is the reference point for mapping and gene cloning in cereals, establishing a consensus map within the subfamily identifies conserved and unique regions. The genomes of wild rice and rice differ in total DNA content (wild rice has twice that of rice) and the number of chromosome pairs (wild rice=15 versus rice=12). The wild rice linkage map reported herein consists of 121 RFLP markers on 16 linkage groups spanning 1805 cM. Two linkage groups consist of only two markers. Colinear markers were found representing all rice linkage groups except #12. The majority of rice loci mapped to colinearly arranged arrays in wild rice (92 of 118). Features of the map include duplication of portions of three rice linkage groups and three possible translocations. The map gives basic information on the composition of the wild rice genome and provides tools to assist in the domestication of this important food source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051298
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  • 2
    Electronic Resource
    Electronic Resource
    A comparative map of wild rice (Zizania palustris L. 2n=2x=30) (2000)
    Springer
    Theoretical and applied genetics 101 (2000), S. 677-684 
    Details
    ISSN: 1432-2242
    Keywords: Key words RFLPs ; Synteny ; Oryza ; Oat ; Map
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  We present the first genetic map of wild rice (Zizania palustris L., 2n=2x=30), a native aquatic grain of northern North America. The map is composed principally of previously mapped RFLP (restriction fragment length polymorphism) genetic markers from rice (Oryza sativa 2n=2x=24). The map is important as a foundation for genetic and crop improvement studies, as well as a reference for genome organization comparisons among Gramineae species. A comparative mapping approach with rice is especially useful because wild rice is grouped in the same subfamily, Oryzoideae, and no other mapping comparison has yet been made within the subfamily. As rice is the reference point for mapping and gene cloning in cereals, establishing a consensus map within the subfamily identifies conserved and unique regions. The genomes of wild rice and rice differ in total DNA content (wild rice has twice that of rice) and chromosome pairs (wild rice=15 versus rice=12). The wild rice linkage map reported herein consists of 121 RFLP markers on 16 linkage groups spanning 1805 cM. Two linkage groups consist of only two markers. Colinear markers were found representing all rice linkage groups except #12. The majority of rice loci mapped to colinearly arranged arrays in wild rice (92 of 118). Features of the map include duplication of portions of three rice linkage groups and three possible translocations. The map gives basic information on the composition of the wild rice genome and provides tools to assist in the domestication of this important food source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051530
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  • 3
    Electronic Resource
    Electronic Resource
    HPLC separation and wavelength area ratios of more than 50 phenolic acids and flavonoids (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 383-395 
    Details
    ISSN: 1573-1561
    Keywords: HPLC ; retention time ; area ratio ; phenolic acids ; flavonoids ; soybean ; Glycine max
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Relative retention times and wavelength area ratios for over 50 standard compounds were calculated using reverse-phase HPLC. The standard compounds analyzed included benzoic acids, cinnamic acids, benzene carboxylic acids, acetic acids, coumarins, benzaldehydes and a variety of flavonoid compounds including flavanones, flavones, isoflavones, and their glycosides. Each standard compound was chromatographed by three different gradient elutions. Compounds were detected by UV absorption at 254 nm and 280 nm. Relative retention times with respect to two different internal references and the 254nm: 280nm wavelength area ratio was determined for each standard. Soybean root and seed extracts were analyzed for the presence of the standard compounds using the chromatographic conditions described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411424
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of variety and stage of growth on potential allelochemic compounds in soybean roots (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 1281-1292 
    Details
    ISSN: 1573-1561
    Keywords: Allelopathy ; roots ; soybean fingerprint ; growth stage ; HPLC ; soybeans
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract HPLC was used to obtain fingerprint patterns of organic compounds extracted from roots of five soybean varieties at seven stages of growth. Fifteen major peaks were observed in all varieties at most growth stages. With increasing stage of growth, the less polar compounds accounted for a greater relative percentage of total peak area. Concentration of compounds extracted from roots increased dramatically as plants approached nodulation and flowering and then decreased to initial levels as plants matured.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00982229
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