Abstract
RECENTLY, there have been two or three accounts of deoxyribonucleic acid deficiency in the egg nucleus of both angiosperms and algae. Delay, for example1, states that the egg nucleus in the oogonium of Chara was found to be Feulgen-negative, whereas the antherozoids were Feulgen-positive right up to the commencement of fusion. Rowlands2 makes a similar observation on the embryo sac of Vicia and puts forward a reason for the deficiency. It was felt that it might prove useful to report a like deficiency in Aloe davyana.
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References
Delay, Rev. Cyt. Biol. Veg., 13, 93 (1953).
Rowlands, D. G., Nature, 173, 828 (1954).
Osamu Itikawa, and Oguza, Y., Stain Tech., 29, No. 1 (1954).
Kurnick, J. Gen. Physiol., 33, No. 3, 243 (1950).
Brachet, J., Quart. J. Micro. Sci., 94, Part 1 (1953).
Sibatani, Cytologia, 16, 315 (1952).
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KRUPKO, S., DENLEY, A. Deoxyribonucleic Acid Deficiency in the Mature Egg Nucleus of Aloe davyana in South Africa. Nature 177, 92–93 (1956). https://doi.org/10.1038/177092b0
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DOI: https://doi.org/10.1038/177092b0
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