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Table 1 Gene structure of different classes of 5S rDNA

From: Formation of diploid and triploid hybrid groupers (hybridization of Epinephelus coioides ♀ × Epinephelus lanceolatus ♂) and their 5S gene analysis

  400 bp (Class I)   750 bp (Class II)  
Sequences Numbers Structure Sequences Numbers Structure
E. coioides 386 bp 9 120 bp + 266 bp 772 bp 7 386 bp + 386 bp
392 bp 6 120 bp + 272 bp 778 bp 4 386 bp + 392 bp
    784 bp 4 392 bp + 392 bp
E. lanceolatus 395 bp 5 120 bp + 275 bp 790 bp 5 395 bp + 395 bp
404 bp 10 120 bp + 284 bp 799 bp 3 395 bp + 404 bp
    808 bp 7 404 bp + 404 bp
Diploid hybrid 386 bp 7 120 bp + 266 bp 772 bp 6 386 bp + 386 bp
392 bp 4 120 bp + 272 bp 781 bpa 3 386 bp + 395 bpb
395 bp 6 120 bp + 275 bp 790 bpa 6 386 bp + 404 bpb
404 bp 8 120 bp + 284 bp 799 bp 3 395 bp + 404 bp
    808 bp 7 404 bp + 404 bp
Triploid hybrid 386 bp 10 120 bp + 266 bp 772 bp 9 386 bp + 386 bp
392 bp 3 120 bp + 272 bp 781 bpa 2 386 bp + 395 bpb
395 bp 4 120 bp + 275 bp 790 bpa 2 386 bp + 404 bpb
404 bp 8 120 bp + 284 bp 799 bp 3 395 bp + 404 bp
    808 bp 9 404 bp + 404 bp
  1. aNew sequences which were different from the parent species
  2. bGene-exchange had occurred in the sequence