Table II.

NADH-GDH activity in organs containing vascular tissue

StemsPetiolesMidribs
MidribsCortexCentral CylinderPetiolesMidribs
BaseTopBaseTop
NH4+:218.8 ± 31.4102.6 ± 2.935.0 ± 10.8321.4 ± 39.388.4 ± 11.6L15:256.8 ± 37.5188.2 ± 51.3
NL:77.6 ± 26.372.3 ± 3.247.4 ± 2.6186.5 ± 12.671.4 ± 4.3UC:106.2 ± 37.8138.3 ± 42.5
  • NADH-GDH activity (nmol min−1 mg protein−1) in midribs and stems of NH4+ plants, NL plants, and in petioles and midribs of Fd-GOGAT antisense plants (L15) and untransformed control plants (UC). Values are the means ± sd.