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Table 1 Long-term stability of the integration of transgenes in transgenic sweet orange and citrange lines determined by Southern blot analysis

From: Field performance of transgenic citrus trees: Assessment of the long-term expression of uidA and nptIItransgenes and its impact on relevant agronomic and phenotypic characteristics

Line Copy number determined by Southern blot
  In previous analyses1 In 20042
  uidA nptII uidA nptII
P1 nd nd 4 4
P2 nd nd 1 1
P3 2 1 2 1
P4 1 2 1 2
P5 1 3 1 3
P6 1 1 1 1
P7 4 4 4 4
P8 1 1 1 1
C1 2 2 2 2
C2 1 1 1 1
C3 nd nd 2 2
C4 2 2 2 2
C5 2 1 2 1
C6 2 1 2 1
C7 1 1 1 1
C8 1 1 1 1
  1. 1Analyses performed prior to the release in the experimental orchard in 1997, as described in [35][38] and [33].
  2. 2Analyses performed in this work.
  3. nd, not determined.