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| Description: A map of the repeating histone gene cluster in Drosophila, where each white arrow is a histone gene (arrowheads indicate direction of transcription). If Drosophila nuclei are extracted with lithium diiodosalicylate, to remove proteins gently, and are then digested with a collection of the restriction endonucleases shown, only the 657-bp HindI-EcoRI DNA fragments are left attached to the matrix. The interpretation is that the gene clusters exist in individual loops, the bases of which are tied to the matrix. Picture Stats: Views: 314 Filesize: 107.83kB Height: 913 Width: 352 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34919 |