Table 1.

Comparison of structural and functional aspects of WT and OE TGase (n ≥ 3).

	WT	OE TGase
TGase activity (μmol mgprot-1h-1)	41155.08 ± 184.75	93741.68 ± 369.09ˆ*
Fo	496 ± 12.6	607 ± 35*
Fm	3051 ± 167	2734 ± 198*
Fv/Fm	0.83 ± 0.006	0.78 ± 0.003*
qPQ	0.16 ± 0.02	0.2 ± 0.013
FPSII/FPSI	2.48 ± 0.15	2.27 ± 0.036
B shift (from 685 nm)	0.675 ± 0.27	0.39 ± 0.08
Chls (mg cm-2)	12.54 ± 0.2	12.02 ± 0.3
Chl a/b	2.857 ± 0.09	2.842 ± 0.11
PSIIa	0.71 ± 0.02	0.50 ± 0.03*
PSIIβ	0.29 ± 0.02	0.50 ± 0.03*
Absorption cross section per PSII	5.08 ± 0.32	3.81 ± 0.03*
Δψ/pmf (at 366 μmol photons m-2 s-1)	0.704 ± 0.054	0.862 ± 0.029*
Polyamines in leaves (nmol g FW-1)	1115.2 ± 89	970.8 ± 73
qE sensitivity to pmf (slope Figure 5A)	0.588 ± 0.053	0.124 ± 0.011*

^∗Asterisks indicate significant differences at p ≤ 0.05.