Table 1 Candidate reference genes and target genes description, primer sequences, and amplicon characteristics in this study.

From: Selection of suitable reference genes for qRT-PCR normalisation under different experimental conditions in Eucommia ulmoides Oliv

Gene symbol

Gene description

Accession number

Primer sequence (5′-3′)

Size (bp)

PCR efficiency (%)

Regression Coefficient (R2)

Tm (°C)

Reference genes

18S rRNA

18S ribosomal RNA

MH890464

CCCCGACTGTTCCTGTTAAT

59

105.5

0.995

77.5

TGCGTTTCTATTTTGTTGGTTT

ACT

actin

MH890466

GTGTTATGGTTGGGATGGG

108

100.2

0.996

80

TGCTGACTATGCCGTGTTC

ACT97

actin 97

MH890465

CGGGCAGGTCATCACTATCGG

200

97.7

0.997

86.9

CGGCAATCCCAGGAAACATCG

HIS2B

Histone H2B

MH890468

GGAAGAAATTGCCAAAGGATG

106

89.1

0.996

81.8

TGCTTGAGGACCTTGAAGATGTA

HIS4

histone H4

MH890467

GGGACAACATCCAGGGAATC

160

99.7

0.995

87

GCGTGCTCGGTGTAGGTGA

TUA

alpha-tubulin

MH890463

CATTTCCTCTTTGACTGCCTCC

185

102.8

0.992

84

ATGCGGTGTTGGTGATTTCG

TUB

beta-tubulin

MH890469

AAATGAGCACCAAGGAGGTG

119

100.6

0.991

82.6

GGTTGGAGGAATATCGCAGA

UBA52

ubiquitin-60S ribosomal protein L40

MH890471

GGCCAGGAAATACAACCAAG

120

90.4

0.995

84

TTCTTCGGCCTCAACTGATT

UBA80

ubiquitin extension protein

MH890472

GACCTACACCAAGCCGAAGA

114

105.9

0.992

83.9

CACTCCTTCCTCAGCCTCTG

UBC

ubiquitin conjugating enzyme S

MH890470

AGTGGGTGGTGCTGTAGTCC

121

102.5

0.992

82.7

AACTCCCGTTTCGTTTGTTG

UBC E2

ubiquitin-conjugating enzyme E2

MH890473

CAGTGGAGCCCTGCCCTTACC

110

106.4

0.995

82

GCGATCTCTGGCACCAACGGG

Target genes

MK

mevalonate kinase

MH890474

GCCGATGAATCACAGAAA

181

105.3

0.993

82.5

GCAACGGTGGTGGTAGTA

PAL

phenylalanine ammonia-lyase

MH890475

CGGTTTGCCGTCGAATCTGT

74

107.6

0.99

82.5

TCGCTATCTCCGCCCCCTTA

4CL

4-coumarate-CoA ligase

MH890476

CGGTGCCTCTGAATCTGCT

143

106.4

0.997

85.5

GATGTGGTGCTCTGCGTGC