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  • 1
    Electronic Resource
    Electronic Resource
    Small mitochondrial DNA molecules of wild abortive cytoplasm in rice are not necessarily associated with CMS (1989)
    Springer
    Theoretical and applied genetics 77 (1989), S. 617-619 
    Details
    ISSN: 1432-2242
    Keywords: Cytoplasmic male sterility ; Mitochondrial DNA ; Plasmid-like molecules ; Wild abortive cytoplasm ; Rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Mitochondrial DNA was isolated from leaf tissue of both the cytoplasmic male sterile line of Indica rice variety V41, which carries wild abortive (WA) cytoplasm, and from the corresponding maintainer line. In addition to the main mitochondrial DNA, four small plasmid-like DNA molecules were detected in both the male sterile and fertile lines. Restriction analysis of total mitochondrial DNA from the male sterile and fertile lines showed DNA fragments unique to each. Our findings suggest that the four small mitochondrial DNA (mtDNA) molecules are conserved when WA cytoplasm is transferred into different nuclear backgrounds. However, there is no simple correlation between the presence/ absence of small mitochondrial DNA molecules and the expression of WA cytoplasmic male sterility (CMS).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261232
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  • 2
    Electronic Resource
    Electronic Resource
    Stability of mitochondrial DNA in tissue-cultured cells of rice (1990)
    Springer
    Theoretical and applied genetics 79 (1990), S. 342-346 
    Details
    ISSN: 1432-2242
    Keywords: Mitochondrial DNA ; Rice ; S2 cytoplasmic male sterility ; Tissue culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Restriction analysis of mitochondrial (mt) DNA from 3-month-old callus cultures of the cytoplasmic male sterile rice, V41A, which contains S2 or “wild abortive” cytoplasm, and its fertile maintainer, V41B, showed the same BamHI restriction profiles as mtDNA from the corresponding leaf material. Similarly, mtDNA of rice (var. Taipei 309) from leaves, a 2-month-old cell suspension (T3MS2/A), a totipotent suspension (T3MS) and a 19-month-old suspension, which had lost its protoplast regeneration ability (LB3), showed indistinguishable BamHI restriction profiles. However, clear differences in mtDNA restriction profiles were observed between LB3 and a 30-month-old suspension culture of Taipei 309 (LB1), which appeared to reflect substantial changes in the relative abundance of specific DNA sequences. Hybridisation of a maizecoxII gene probe to blots of restricted mtDNA confirmed that, while the relative abundance of certain mtDNA sequences was preserved during long-term tissue culture of rice, major changes in abundance were observed with other sequences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186077
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  • 3
    Electronic Resource
    Electronic Resource
    Processing of maize germ oil cake into edible food grade meal and evaluation of its protein quality (1998)
    Springer
    Plant foods for human nutrition 52 (1998), S. 1-8 
    Details
    ISSN: 1573-9104
    Keywords: Amino acids ; Biological value ; Digestible energy in ; Maize germ oil cake ; Net protein ; Protein fraction ; True digestibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The commercial oil cake produced during expeller pressing of maize germ, was extracted with n-hexane and 80 percent ethanol followed by seiving to remove undesirable materials. In defatted maize germ oil cake (DMGOC): protein, starch, fat, crude fiber (CF) and ash were respectively 24.69, 36.55, 5.68, 7.56 and 3.90 percent and they decrease after processing except ash, which increased slightly. It contains better quality protein having only 3 percent zein and 47 percent albumin. Its amino acids like lysine and tryptophan and biological value (BV) were higher than that of whole maize grain, and was comparable with that of the amino acid requirement of preschool children and casein diets both. Its digestible energy (DE) was lower compared with whole maize grain as well as the casein diets. After processing albumin, globulin and zein decreased whereas glutelin and the residual fraction increased. Not much differences were observed in chemical composition and different amino acids, in vitro protein digestibility (IVPD), true digestibility (TD), BV and DE improved after processing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008088822395
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