RNA composition in cotton.
Nucleotide compositions of soluble (sRNA), whole-cell, and in one instance particulate and nonparticulate, RNA of embryos, cotyledons (dark and light-grown), leaves, stems, and roots of Gossypium hirsutum were compared. Evidence of substantial differences in the overall compositions of the RNAs was not obtained. However, a tendency for some plant parts to differ, particularly in sRNA composition, and that of the cotyledons (including particulate and nonparticulate RNA) to change during the formation of chlorophyll, was indicated by small but statistically significant shifts in certain nucleotide components.
Katterman
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Crops Research Division, Agricultural Research Service, USDA and Texas A and M University, College Station.
Ergle
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DR