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Table 1 Distribution and expression of Arabidopsis PG genes in duplicated regions

From: Patterns of expansion and expression divergence in the plant polygalacturonase gene family

 

Out of duplicated regions*

Within duplicated regions*

   

With match†

Without match†

 

Number of genes

Expression‡

Number of genes

Expression‡

Number of genes

Expression‡

Singular

4

3

11

9

27

21

Tandem

3

0

10

8

11

4

Total

7

3

21

17

38

25

  1. *Duplicated regions are the regions that are covered by the AGI and BHW blocks. †The presence (with match) or absence (without match) of PGs in collinear regions of each duplicated block pair as shown in Figure 4 and Additional data file 4. ‡Expression detected in at least two out of three RT-PCR reactions or supported by the presence of cDNA or EST tags.