Biology
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...38..148y&link_type=abstract
Icarus, vol. 38, Apr. 1979, p. 148-153.
Biology
Bacteriophages, Deoxyribonucleic Acid, Exobiology, Extraterrestrial Intelligence, Interstellar Communication, Decoding, Escherichia, Genetic Code, Nucleotides, Experiments, Extraterrestrial Resources, Electromagnetic Wave Transmission, Electromagnetic Radiation, Microorganism, Interstellar Communication
Scientific paper
The possibility that biological material may serve as a medium of extraterrestrial communication is discussed and DNA from bacteriophage phi X174 is investigated to determine whether such a message could be derived from it. It is speculated that advanced civilizations could manipulate viral or bacterial DNA so that its base sequence would carry a coded message in addition to specifying compounds necessary for survival and send a microorganism containing the message to a planet with conditions similar to those of the sending planet, where the microorganism would replicate. Two dimensional pictures were drawn of an overlapping gene section of phi X174 DNA using bases represented by four colors, and by digital systems according to chemical nature (purine or pyrimidine) or base pair. No significant patterns have been observed and other means of constructing pictorial arrays with other phage DNAs are planned.
Oshima Toshio
Yokoo Hiromitsu
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