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Table 3 Regulation of the poplar GS gene family by nitrogen availability

From: Redundancy and metabolic function of the glutamine synthetase gene family in poplar

  Low nitrogen Adequate nitrogen
Gene Young leaves Mature leaves Young leaves Mature leaves
PtGS1.1 2.71 ± 0.15 0.56 ± 0.05 0.06 ± 0.01 0.38 ± 0.02
PtGS1.2 0.19 ± 0.09 0.03 ± 0.00 0.08 ± 0.02 0.05 ± 0.01
PtGS1.3 0.82 ± 0.40 0.22 ± 0.02 0.32 ± 0.24 0.18 ± 0.01
PtGS2 0.28 ± 0.03 0.10 ± 0.00 1.82 ± 0.21 0.07 ± 0.00
  1. Expression levels of poplar GS genes in young and mature leaves under low (0.3 mM) and adequate (10 mM) supply of nitrate.