Table 4. Candidate genes involved in cold tolerance in C. heterophylla Fisch floral buds.

Unigene ID	BLASTn Hit	E-value	Gene Name	RPKM	References
Unigene24785	Beta-amylase [Prunus persica]	0.00E+00	BAM	42.38	[43]
CL4405.Contig2	Potassium channel AKT1-like [Cucumis sativus]	0.00E+00	KT	2.00	[44]
CL3300.Contig1	Asparagine synthetase 1 [Vitis vinifera]	0.00E+00	ASNS	33.28	[45]
Unigene23215	Betaine-aldehyde dehydrogenase [Corylus heterophylla]	0.00E+00	BADH	53.50	[46]
CL1670.Contig2	Sucrose-phosphate synthase [Citrus unshiu]	0.00E+00	SPS	181.59	[47]
Unigene11928	Delta 1-pyrroline-5-carboxylate synthetase [Gossypium arboreum]	0.00E+00	P5CS	26.10	[48]
CL28.Contig4	Sensitive to freezing [Ricinus communis]	0.00E+00	SFR6	0.57	[49]
Unigene26540	CBL-interacting serine/threonine-protein kinase 5-like [Cucumis sativus]	0.00E+00	CIPK	30.94	[50]
CL1657.Contig1	Mitochondrial alternative oxidase 1A [Corylus heterophylla]	0.00E+00	AOX1A	1.11	[51]
CL371.Contig1	Enolase [Corylus heterophylla]	0.00E+00	ENO	49.23	[52]
CL2001.Contig2	MAP kinase [Populus trichocarpa]	0.00E+00	MAPK	2.07	[53]
Unigene24663	Omega-6 fatty acid desaturase, endoplasmic reticulum isozyme 2-like [Fragaria vesca]	0.00E+00	FAD2	368.94	[54]
CL569.Contig5	Calcium-dependent protein kinase 4-like [Cucumis sativus]	0.00E+00	CDPK	1.70	[55]
CL3389.Contig1	Phosphoinositide phospholipase C 2 isoform 2 [Vitis vinifera]	4.00E−179	PLC	11.89	[56]
CL1380.Contig2	Cold-induced protein [Vitis vinifera]	1.00E−169	CIP	5.53	[57]
Unigene12569	Spermidine synthase 1-like [Fragaria vesca]	1.00E−169	SPDS	61.34	[58]
CL3248.Contig2	Protein phosphatase 2C [Prunus persica]	2.00E−165	PP2C	7.57	[59]
CL539.Contig1	Phospholipase d beta, putative [Ricinus communis]	1.00E−156	PLD	15.21	[56]
Unigene515	Glycerol-3-phosphate acyltransferase [Citrus unshiu]	5.00E−150	GPAT	23.50	[60]
CL382.Contig1	Class IV chitinase [Corylus heterophylla]	3.00E−142	CHI	22.23	[61]
Unigene3155	Nitrate Reductase (NADH) [Ricinus communis]	8.00E−125	NIR	6.51	[62]
Unigene23517	Superoxide dismutase [Mn] [Vitis vinifera]	1.00E−114	Mn-SOD	110.73	[63]
CL3124.Contig4	Galactinol synthase 3 [Populus trichocarpa]	1.00E−109	GOLS	3.77	[64]
Unigene23440	Heat shock protein 22 [Corylus heterophylla]	3.00E−103	Hsp22	22.52	[65]
Unigene117	14-3-3 [Prunus persica]	1.00E−102	14-3-3	10.62	[66]
CL3168.Contig1	CBF/DREB1 transcription factor 1 [Betula pendula]	6.00E−94	CBF1	77.68	[11]
Unigene21005	Early-responsive to dehydration protein [Populus trichocarpa]	6.00E−92	ERD7	11.82	[33], [67]
CL100.Contig2	NAC family protein [Corylus heterophylla]	4.00E−82	NAC	19.627	[68]
Unigene18268	COR414-TM [Vitis vinifera]	2.00E−71	COR414	160.5406	[31], [69]
CL2732.Contig3	Transcription factor hy5, putative [Ricinus communis]	1.00E−69	HY	11.5457	[70]
CL1909.Contig1	Fatty acid desaturase 3 [Corylus heterophylla]	6.00E−61	FAD3	7.6633	[71]
CL2284.Contig2	Homeobox protein, putative [Ricinus communis]	4.00E−54	HD-ZIP	2.516	[72]
Unigene22531	bZIP transcription factor [Vitis vinifera]	1.00E−51	bZIP78	17.6696	[32]
Unigene6581	MYB transcription factor [Populus trichocarpa]	1.00E−46	MYB	9.0585	[20]
Unigene21495	AP2/ERF domain-containing transcription factor [Populus trichocarpa]	1.00E−41	ERF	48.4576	[73]
Unigene1447	Choline monooxygenase [Camellia sinensis]	1.00E−40	CMO	6.152	[74]
CL1909.Contig2	Omega-3 fatty acid desaturase [Betula pendula]	1.00E−35	FAD8	7.5632	[75]
Unigene5353	Beta-ketoacyl-ACP synthase [Prunus persica]	3.00E−33	KAS	10.0582	[76]
Unigene10730	ICE-like [Cucumis sativus]	1.00E−31	ICE	7.3351	[77]
Unigene12179	Actin depolymerizing factor [Prunus persica]	3.00E−14	ADF	57.5651	[35], [78]
CL4024.Contig1	Lipid transfer protein precursor [Gossypium hirsutum]	4.00E−14	LTP	11.4457	[79]
Unigene5522	COR413-PM1 [Arabidopsis thaliana]	4.00E−11	COR413	9.2351	[31], [80]