Table 1. Primers used for quantitative PCR.

Transcript	Locus	Forward primer 5′-3′	Reverse primer 5′-3′
AtGAPDH	AT1G13440	AGGCTGGGATTGCATTGAGCGA	ACACACAAACTCTCGCCGGTGT
AtRDR1	AT1G14790	AAGAGCGGTTCGGGCGTTGA	AGCCGAAGCCTTTGCTGACTCA
AtPR1	AT2G14610	CGAAAGCTCAAGATAGCCCA	AAGGCCCACCAGAGTGTATG
AtTPS10	AT2G24210	CTGGTGGATGGAGACAGGTT	TGAGGCTCTTGGATTTGTCC
AtRD29A	AT5G52310	ACCGATTCATCATCCTCTGTCCGAA	ACGTTATCGGGGTCTCGACGTT
AtPR4	AT3G04720	TGTTCTCCGACCAACAACTG	TGGAGCAATAAGCACTCACG
AtICS1	AT1G74710	CTTTTCAGTCCCTCAGGTTG	AGTTCATCATCCCAAGCAAT
AtICS2	AT1G18870	TGCAGTGTGAAGGACAAGAC	GAAGAGTCTCTCAGGCGTGT

AtGAPDH was used as the ‘housekeeping’ reference transcript. All primers (used at a final concentration of 10 pmol.µl⁻¹) were designed to have an annealing temperature of 57°C.