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Table 5 Transcript patterns for endo-(1,4)-β-glucanase genes in barley and maize

From: Endo-(1,4)-β-Glucanase gene families in the grasses: temporal and spatial Co-transcription of orthologous genes1

 

Meristematic

Elongating

Mature

Vegetative

Floral

Developing Grain

Pollen

MAIZE/BARLEY ORTHOLOGUES

Meristematic

Elongating

Mature

Vegetative

Floral

Developing Grain

Pollen

 

BARLEY

MAIZE

Group 1

N/A

+

+++

+++

+

-

N/A

HvCEL1

Zm CEL14

+

++

++

+++

+

++

-

Group 1 and Group 2

        

HvCEL3

Zm CEL11

+++

+++

+++

+++

++

++

  
        

HvCEL14

Zm CEL25/26

+

+

+

+

-

-

  

Group 2

N/A

+++

+++

+++

++

-

N/A

HvCEL5

Zm CEL12

+

+++

+

+++

++

+

  
   

+

+

+

+

 

HvCEL10

Zm CEL3

+++

+++

+++

+++

+

++

  

Group 3

N/A

+++

+

++

+

+

N/A

HvCEL2

Zm CEL18

 

+

  

+

-

-

Group 3

        

HvCEL4

Zm CEL1

+

+

+

+

 

-

  
  

+

+

+

+++

++

N/A

HvCEL6

Zm CEL2

 

-

  

++

+

  

Group 4

N/A

+

-

+

+++

+++

N/A

HvCEL7

Zm CEL7

++

-

  

++

+

-

Group 4

         

Zm CEL10

+++

-

  

+++

-

  
  

+

+

++

++

++

N/A

HvCEL8

Zm CEL1

+++

+

   

-

  
         

Zm CEL2

++

-

  

++

+

  
        

N/O

Zm CEL19

-

-

  

+

-

  
  

-

+

+

+++

+++

 

HvCEL11

Zm CEL20

+

-

  

++

-

  
 

N/A

+

+

+

-

-

N/A

HvCEL12

Zm CEL8/29

N/A

N/A

N/A

N/A

N/A

N/A

N/A

 
        

N/O

Zm CEL9

-

-

-

-

-

-

+

 
        

N/O

Zm CEL13

      

+++

 
  1. As described in the text, both barley and maize genes showed several different transcript patterns.
  2. Barley genes were categorised into groups according to co-transcription patterns as indicated on the left hand side of the table and described in the text. On the right side of the table are the maize orthologues and their subjective groupings as described in the text. The maize orthologues of HvCEL4 and HvCEL8 could not be exactly determined, ZmCEL1 or ZmCEL2 are their closest orthologues as determined by phylogenetic analysis (Figure 1).
  3. +++ high relative transcript levels.
  4. ++ moderate relative transcript levels.
  5. + low relative transcript levels.
  6. - no transcript detected.
  7. N/A not analysed.
  8. N/O no orthologue.