Table 1 Expression levels in the E6.5 chicken BP for a subset of expressed genes that are involved in RA signalling.

From: Retinoic acid signalling regulates the development of tonotopically patterned hair cells in the chicken cochlea

Gene symbol

Normalized reads in proximal BP

Normalized reads in middle BP

Normalized reads in distal BP

Log 2 (distal/proximal)

Raldh2

1,274

962

447

−1.51

Raldh3

11,619

741

725

−4.00

Cyp26a1

130.5

24.5

50

−1.38

Cyp26b1

980.5

1,041.5

286

−1.78

Cyp26c1

159

562.9

1,880.5

3.56

  1. Expression levels (normalized reads) and differential expression level comparisons between the distal and proximal cochlea are depicted. Sequencing results from the distal end of the BP also include genes that may be expressed in the developing lagena macula (LM), an otolithic organ. Genes with Log2>1 expression level differences are more significantly expressed in the distal cochlea (Log2<−1 significant in proximal). Raldh3 encodes an enzyme that synthesizes RA; Cyp26c1 encodes for an enzyme that is involved in the breakdown of RA.
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