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  • 1
    Electronic Resource
    Electronic Resource
    Polymorphism, distribution, and segregation of AFLP markers in a doubled haploid rice population (1997)
    Springer
    Theoretical and applied genetics 94 (1997), S. 39-45 
    Details
    ISSN: 1432-2242
    Keywords: Key words Genetic map  ;  Marker-aided selection  ; Oryza sativa  ;  RFLP markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We exploited the newly developed amplified fragment length polymorphism (AFLP) technique to study the polymorphism, distribution and inheritance of AFLP markers with a doubled haploid rice population derived from ‘IR64’/‘Azucena’. Using only 20 pairs of primer combinations, we detected 945 AFLP bands of which 208 were polymorphic. All 208 AFLP markers were mapped and distributed over all 12 chromosomes. When these were compared with RFLP markers already mapped in the population, we found the AFLP markers to be highly polymorphic in rice and to follow Mendelian segregation. As linkage map of rice can be generated rapidly with AFLP markers they will be very useful for marker-assisted backcrossing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050379
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  • 2
    Electronic Resource
    Electronic Resource
    Mapping quantitative trait loci associated with days to flowering and photoperiod sensitivity in rice (Oryza sativa L.) (2000)
    Springer
    Molecular breeding 6 (2000), S. 145-155 
    Details
    ISSN: 1572-9788
    Keywords: photoperiod sensitivity ; molecular markers ; flowering ; quantitative trait loci (QTLs) ; maturity ; rice (Oryza sativa)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This study was undertaken to identify putative quantitative trait loci (QTLs) associated with days to flowering (DTF) and photoperiod response in rice. A population of 143 recombinant inbred lines derived from a cross between CO39 and Moroberekan was grown under greenhouse conditions and exposed to two different photoperiod regimes. DTF of individual plants was evaluated under 10 h and 14 h day lengths, and loci associated with photoperiod sensitivity were identified based on the delay in flowering under the 14 h photoperiod (DTF at 14 h minus DTF at 10 h). An RFLP data set consisting of 127 markers provided the basis for the QTL analysis. Both single marker and interval analysis were used and interactions between putative QTLs were estimated based on two-way ANOVA. Out of 15 QTLs associated with DTF, only 4 were identified as influencing the response to photoperiod. Interactions between flowering QTLs indicated the complex nature of the control of flowering in rice. The effectiveness of using a single recombinant inbred population to study a variety of complex phenotypes is discussed in relation to practical plant breeding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009618621720
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  • 3
    Electronic Resource
    Electronic Resource
    Structural Studies on Inclusion Compounds of β-Cyclodextrin with Some Substituted Phenols (1997)
    Springer
    Journal of inclusion phenomena and macrocyclic chemistry 27 (1997), S. 113-126 
    Details
    ISSN: 1573-1111
    Keywords: Substituted phenols ; polar and non-polar ends ; orientation inside β-cyclodextrin cavity ; spectroscopic studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A detailed structural study of the inclusion compounds of some substituted phenols such as catechol, guaiacol, protocatechuic aldehyde, vanillin, caffeic acid, ferulic acid and eugenol with β-cyclodextrin (βCD) was carried out by using UV-visible, fluorescence, 1H and solid-state 13C NMR spectroscopic and potentiometric investigations. Based on these studies guaiacol, catechol and eugenol were found to exhibit identical orientations - with the phenyl ring within the cavity and the hydroxyl and methoxyl groups projecting outside; protocatechuic aldehyde, caffeic acid, ferulic acid and vanillin display a different orientation - with the phenol part within the cavity and the aldehyde or carboxyl part projecting outside.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007949215051
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