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Table 4 Proteins that varied in abundance in response to cold acclimation in a single genetic background

From: A proteome analysis of freezing tolerance in red clover (Trifolium pratense L.)

Cultivar Cold regulation Spot no. Homology Function Average CA/NA protein ratio
TF0 TF3 TF4 Average
Christie Increased 1560 Eukaryotic translation initiation factor 5A-like Transcription and translation 4.8 8.12 10.01 7.64
Decreased 1683 Peroxiredoxin Response to stress (ROS scavenging) −3.17 −3.79 −2.34 −3.1
Endure Increased 74 Aconitate hydratase Carbohydrate and energy metabolism (TCA cycle) 2.25 2.23 3.39 2.62
Increased 18 Nuclease domain-containing protein Transcription and translation (RNA stability) 2.21 2.44 2.76 2.47
Increased 595 Elongation factor 1-gamma Transcription and translation 2.52 2.14 2.52 2.39
Increased 92 Elongation factor 2-like Transcription and translation 2.32 2.06 2.19 2.19
Increased 64 Puromycin-sensitive aminopeptidase-like Protein metabolism 2.14 1.88 1.7 1.91
Increased 586 Elongation factor 1-gamma Transcription and translation 2.06 1.82 1.59 1.82
Increased 594 Elongation factor 1-gamma-like Transcription and translation 1.77 1.81 1.6 1.73
Increased 68 Peptidase M1 family aminopeptidase N Protein metabolism 1.85 1.57 1.52 1.65
Decreased 1732 Disease resistance response protein 1 Response to stress (defense, PR protein) −3.31 −1.81 −2.99 −2.70
  1. Cold-acclimated (CA) to non-acclimated (NA) protein abundance that statistically differed (Student's t-test, P < 0.01) and with a CA/NA ratio ≥ |1.5| in all populations of the genetic background are presented. TF0 = original genetic background; TF3 and TF4 = populations produced after three and four cycles of selection for freezing tolerance, respectively