- 1、Bacteriadonothaveintrons.2、Thedistribution,structuralfeaturesandsplicingmechanismofatACintronsarediscussedandcomparedwithmajorclassofintrons.3、Ofcourse,aslongasintronsneededtosplicethemselvesinandoutofgenomes,theirsequencescouldnothavedeviatedmu...
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