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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