List of protein spots with differential expressions between superior and inferior spikelets in 3 grain-filling stages.

Note:
aproteins number,
bprotein spots number correspond to those on 2-DE gels shown in Fig. 3;
caccession number;
dtheoretical MW (kDa) and pI.
ematch peptides;
fchanges on protein spots in superior spikelets compared to inferior spikelets; UR: protein upregulated in inferior spikelets as compared to superior spikelets; DR: protein downregulated in inferior spikelets as compared to superior spikelets; EGS: early grain-filling stage, MGS: mid-grain-filling stage, LGS: late grain-filling stage;
gprotein spot identified by MALDI-TOF-MS;
hprotein spot identified by LC-ESI-MS/MS.