BIOL 200 Lecture Notes - Lecture 9: Hobo, Wild Type, Endonuclease
25 Sep 2015
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Identified by barbara mcclintock around the beginning of the 1950s while working with corn: found in both prokaryotes and eukaryotes, ultimate form of selfish dna propagate at the apparent detriment of the host: transposons cause mutations; the more they move around in the genome, the more the fitness of the host is decreased, described as parasitic dna and junk dna , can be quite numerous within the genome, classified into two basic types on their mode of mobility. Repeats: both ends from 5" to 3" end starting from the end of each strand: same sequence they mark the very very end of dna transposon, direct repeat: (black rectangles) created when transposon is inserted from 5" to 3" the end on the same of the same strand: same sequence, dna transposons are diverse. Types of transposons for different organisms: prokaryotes: is, insertion sequence, drosphila: p elements, hobo, maize: activator (ac)/dissociation (ds, mutator (mutator like elements or mules, tourist, gaijin.
