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Table 5 Free amino acid content in internodes 4 and 5 (I4-5) and the lowest internode (LI) taken from sugarcane cultivar Q117 15 days after imposition of water deficit.

From: Identification of drought-response genes and a study of their expression during sucrose accumulation and water deficit in sugarcane culms

  Amino acid concentration (nmoles g-1dry weight)
  I 4-5 LI
Amino acid Control water deficit Control water deficit
His 18.63 ± 4.001 179.12 ± 7.73* 6.32 ± 0.53 108.26 ± 1.52*
Arg 34.18 ± 2.03 117.52 ± 7.73* 12.06 ± 0.29 71.14 ± 5.32*
Asn 214.28 ± 14.18 4084.42 ± 317.28* 85.16 ± 2.57 2599.75 ± 143.49*
Ser 154.89 ± 25.48 758.93 ± 165.10* 46.95 ± 2.20 407.78 ± 9.71*
Gln 291.81 ± 26.48 253.39 ± 60.56 118.06 ± 8.06 364.07 ± 22.32*
Gly 89.41 ± 14.27 69.75 ± 7.58* 49.54 ± 2.26 68.56 ± 1.41*
Asp 227.72 ± 13.33 68.49 ± 14.06* 114.62 ± 4.96 111.15 ± 7.01
Glu 326.76 ± 9.10 63.29 ± 11.60* 161.97 ± 5.12 95.46 ± 2.43*
Thr 69.50 ± 6.14 323.55 ± 51.77* 23.70 ± 0.96 204.38. ± 6.96*
Ala 264.77 ± 20.88 415.80 ± 100.92* 112.68 ± 6.31 561.32 ± 4.56*
Pro 39.44 ± 4.62 233.27 ± 64.31* 12.46 ± 0.02 215.98 ± 8.75*
Tyr 78.86 ± 8.43 650.95 ± 23.51* 21.85 ± 0.16 105.72 ± 4.30*
Val 52.16 ± 4.45 235.96 ± 39.93* 18.18 ± 0.78 221.36 ± 2.00*
Met 10.21 ± 0.80 101.52 ± 21.45* 4.43 ± 1.13 72.30 ± 4.68*
Lys 36.44 ± 2.57 9.72 ± 3.26 12.08 ± 0.77 24.76 ± 1.05*
Ile 35.06 ± 3.57 220.21 ± 30.65* 12.33 ± 1.08 211.29 ± 3.35*
Leu 32.87 ± 3.81 191.23 ± 30.89* 9.90 ± 0.55 185.54 ± 3.17*
Phe 16.13 ± 2.23 484.31 ± 32.59* 5.64 ± 0.07 150.73 ± 7.99*
  1. 1Data are presented as mean values ± standard error of the mean (n = 3) * indicate significantly different concentration of stressed plants compared to control (Student t-test P ≤ 0.05).