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Table 7 Identification and analysis of the catfish polyadenylation signal (PAS)

From: Efficient assembly and annotation of the transcriptome of catfish by RNA-Seq analysis of a doubled haploid homozygote

Hexamer Number of transcripts Found in catfish1 Found in salmon2 Found in human3
AAUAAA 1,264 + + +
AUUAAA 435 + + +
AAAAAA 47 +   
UAUAAA 25 + + +
AAGAAA 23   + +
AAUATA 20 + + +
CAUAAA 19    +
AACAAA 18    
AAUACA 18    +
AAUGAA 16    +
AGUAAA 15 +   +
AAUAAU 10    
ACUAAA 10    +
AAUUAA 10    
  1. A subset of the full-length transcripts with polyA tails generated from sequencing were selected for analysis. Most common PAS alternatives (hexamers with single-base variant of AAUAAA) were identified within 35 nucleotides upstream of the polyA tail from full-length transcripts. 1Alternative PAS identified in Chen et al. (2010) [15]; 2 Alternative PAS identified in Andreassen et al. (2009) [25]; and 3Alternative PAS identified in Macdonald et al. (2002) [37].
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