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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.
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BMC Plant Biology

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