An difríocht idir athruithe ar: "Aigéad dí-ocsairibeanúicléasach"
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Líne 69:
== Stair ==
An dóchtúir Eilbhéiseach Friedrich Miescher ba thúisce a bhain ADN as cealla i 1869 agus é ag iniúchadh baictéirí sa bhrachadh i
I 1928 fuair Frederick Griffith amach gurbh fhéidir tréithe den chineál “séimh” de ''Pneumococcus'' a aistriú go dtí an cineál “garbh” den bhaictéir céanna trí bhaictéirí “séimhe” maraithe a mheascadh leis an gcineál “garbh”.<ref>Lorenz M.G., Wackernagel W., ‘Bacterial gene transfer by natural genetic transformation in the environment,’ ''Microbiol. Rev.'', Volume 58, Issue 3, 1994, lgh 563–602, PMID 7968924, PMC 372978</ref> Chuir sé seo in iúl go soiléir den chéad uair go raibh eolas géiniteach in ADN.<ref>Chuir triail Avery–MacLeod–McCarty in iúl i 1943 gurbh é an tADN an prionsabal bunathraitheach.</ref><ref> Avery, Oswald T.; Colin M. MacLeod, Maclyn McCarty (1944-02-01). ‘Studies on the chemical nature of the substance inducing transformation of pneumococcal types: induction of transformation by a Desoxyribonucleic Acid fraction isolated from ''Pneumococcus'' Type III’ [http://www.jem.org/cgi/content/abstract/79/2/137]. ''Journal of Experimental Medicine'' 79 (2): 137–158. doi:10.1084/jem.79.2.137. PMC 2135445. PMID 19871359.</ref><ref>Fruton, Joseph S. 1999. ''Proteins, enzymes, genes: the interplay of chemistry and biology''. New Haven, Conn: Yale University Press. 438–440 ISBN 0-300-07608-8</ref>
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