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Table 1 Functional distribution of the 147 gene transcripts influenced by both salinity and AtNHX1.

From: Impact of AtNHX1, a vacuolar Na+/H+ antiporter, upon gene expression during short- and long-term salt stress in Arabidopsis thaliana

Gene classification # of transcripts influenced under each treatment1 Distribution of decreased/increased transcripts in the nhx1mutant2
  All Control 12 h 48 h 1wk 2wk Down in nhx1 Up in nhx1
Unclassified 25 5 7 5 9 9 12 46
DNA binding 4 4 3 4 3 3 5 16
Membrane Transport 1 1 0 1 1 0 1 3
Metabolism/Energy 12 0 3 6 2 2 16 9
Structure/Growth 2 1 1 3 4 2 4 9
Signaling 6 0 0 1 4 2 4 9
Protein Processing 8 1 1 1 1 2 3 11
Total 58 12 15 21 24 20 45 103
  1. 1 three transcripts were specifically influenced by AtNHX1 under two treatments (At4g17120, At5g47490 – both unclassified, significantly affected by Control and 12 h treatments – and At3g54810 – DNA binding, significantly affected by 1wk and 2wk treatments)
  2. 2 one transcript (At3g54810) was up-regulated in one treatment (1wk) and down regulated in a second treatment (2wk)