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Table 4 Summary of Platynereis expression patterns during embryonic and post-embryonic development

From: History of a prolific family: the Hes/Hey-related genes of the annelid Platynereis

  

Segmentation process

Nervous system patterning

Other organogenesis

Others

Figure

SAZ

Stripes

Segment epidermis patterning

Midline

VNC

PNS

Brain cells

Chaetal sacs

Stomodeum

Midgut

Parapodia

 

Number

Ecto

Meso

Ecto

Meso

Pdu-Hes 1

6

    

x

x

    

x

  

24 hpf: ectodermal columns; 48 hpf: apical organ

Pdu-Hes 1 PE

x

   

x

x

       

Anal cirri tentacles

Pdu-Hes 2

7

x

       

x

x

   

24 hpf: ectodermal patches

Pdu-Hes 2 PE

x

        

x

  

x

Ectodermal columns

Pdu-Hes 3

8

            

x

 

Pdu-Hes 3 PE

      

x

     

x

 

Pdu-Hes 4

9

 

x

      

x

 

x

x

x

 

Pdu-Hes 4 PE

x

   

x

       

x

Blood vessels

Pdu-Hes 5

10

 

x

      

x

 

x

x

x

 

Pdu-Hes 5 PE

x

x

 

x

x

       

x

 

Pdu-Hes 6

11

    

x

x

  

x

 

x

 

x

 

Pdu-Hes 6 PE

x

   

x

x

        

Pdu-Hes 8

12

 

x

  

x

   

x

 

x

 

x

 

Pdu-Hes 8 PE

x

   

x

x

       

Anal cirri tentacles

Pdu-Hes 10

13

        

x

 

x

x

  

Pdu-Hes 10 PE

      

x

x

      

Pdu-Hes 12

14

      

x

  

x

x

   

Pdu-Hes 12 PE

         

x

    

Pdu-Hes 13

15

      

x

 

x

 

x

x

 

24 hpf: ectodermal patches

Pdu-Hes 13 PE

      

x

      

Dispersed gut cells

Pdu-Hey

16

      

x

 

x

 

x

 

x

 

Pdu-Hey PE

       

x

       
  1. Platynereis Hes/Hey-related genes are mainly (but not only) expressed in cells, tissues, organs or structures that are related to the patterning of two major developmental processes: segmentation and nervous system patterning. Hpf, hours post fertilization.