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Table 3 Number of expressed genes containing multiple putative poly(A) signals

From: Gain and loss of polyadenylation signals during evolution of green algae

Organism

No of expressed genes containing at least one putative poly(A) signal

No of expressed genes containing two putative poly(A) signals

No of expressed genes containing two putative poly(A) signals for which different CS were found

Distance between poly(A) signal und CS for expressed genes with mRNA isoforms

Chlorophyta

    

Acetabularia

20

6

1

26/27

Chlamydomonas

5232

160

54

15–23

Heliosporidium

124

2

2

18/17 19/23

Prototheca

166

4

2

21/18 17/18

Scenedesmus

182

5

0

-

Scherffelia

68

3

0

-

Ulva

36

1

0

-

Streptophyta

    

Mesostigma

386

40

5

9–45