Expression profiling of tomato pre-abscission pedicels provides insights into abscission zone properties including competence to respond to abscission signals

Table 2 Genes preferentially expressed in a tomato pedicel proximal region (Prox) compared with the distal region (Dis)

					Prox > Dis		Prox > AZ
Tomato gene ID	Probe ID	Gene name / EST accession number	Arabidopsis homologue	Annotation	Fold change (log₂)	p-value	Fold change (log₂)	p-value
*Transcription factor*
Solyc12g009580^a	A_96_P138787	AI782101	AT2G26580	YAB5 (YABBY5)	5.0	0.015	3.2	0.074
Solyc01g096070	A_96_P108377	TA50096_4081	AT4G23980	ARF9 (AUXIN RESPONSE FACTOR 9)	3.4	0.005	0.3	0.059
Solyc08g076820	A_96_P101994	AK323669	AT5G46690	bHLH071 (basic-helix-loop-helixHLH protein 71)	3.4	0.002	1.5	0.003
Solyc06g005310	A_96_P124087	TA56053_4081	AT3G46130	MYB111 (MYB DOMAIN PROTEIN 111)	3.6	0.036	2.5	0.007
Solyc12g056460^a	A_96_P182539	SlMBP14 BF098196	AT2G45660	SOC1 \| AGL20 (AGAMOUS-LIKE 20)	3.7	0.018	2.0	0.069
Solyc06g065820^a	A_96_P012741	SlERF1 AY077626	AT5G25190	ethylene-responsive element-binding protein, putative	3.7	0.006	1.4	0.007
*Phytohormone-related function*
Solyc08g014000^a	A_96_P012631	LOXA U09026	AT1G55020	LOX1	3.6	0.008	−0.8	0.365
Solyc11g011210	A_96_P190874	RSI-1 AK324086	AT3G02885	GASA5 (GAST1 PROTEIN HOMOLOG 5)	4.2	0.019	−0.7	0.014

If more than two probes derived from the same gene were selected, only the result of the probe indicating the highest fold change value was shown in this table. Each assay result is shown in Additional file 5. Genes examined by RT-PCR are marked with lower case “a”.

ISSN: 1471-2229