Table 1 List and description of NP-like genes within Populus trichocarpa used for quantitative gene expression analyses and qPCR primer information

BSP A

Bark Storage Protein A

POPTR_0013s10380

F: TGGAGAGAACTTGTTGGGGAC

81

55

1.981

Potri.013G100700

R: CAGAAAACTTCCTTGGGCG

BSP B

Bark Storage Protein B

POPTR_0013s10370

F: ATGTTCTCTCCAAGTGAAGCAC

130

57.6

1.981

Potri.013G082800

R: CGGGCAGGCATTTATCTG

BSP C

Bark Storage Protein C

POPTR_0013s10350

F: TTCGTGGTGTTCCAAGGTG

85

54

1.936

Potri.013G101000

R: AGGCGTTGTAGGAGGCTAAG

WIN4

Wound Induced 4

POPTR_0423s00200

F: AGGATTTTCGCCTGCTGG

64

62.6

2.032

Potri.013G080500 and/or Potri.013G082800

R: AATGAACTTGGCTGCGGC

PNI 288

Poplar nitrogen-regulated cDNA 288

POPTR_0019s07690

F: TGCCAATAGATTCAATGCCAC

60

55

1.976

Potri.019G050200

R: GAAGCCAAAGCAACAGCAG

VSP 87A

WIN-like VSP 87A

POPTR_0013s07850

F: TGAACGGAGAGAACTTGTTGGC R: AGGATGTGGTGCTGGGAAGC

105

54

1.912

Potri.013G082600

VSP 425

WIN-like VSP 425

POPTR_0013s07810

F: CAAATGTAGCAGGTGAAGCAAG

154

54

1.983

Potri.013G080400

R: TCAAACGACTCAGAAGCAGATAC

VSP XIII

WIN-like VSP XIII

POPTR_0013s07800

F: TCCAGGATTATCGCCTGCTA

110

55

2.040

Potri.013G080300

R: AATCCCATCACTCACAAGCC

VSP 840

WIN-like VSP 840

POPTR_0013s07840

F: CCTCCTACAATGCTTTCCTTGCTG

91

55

1.96

Potri.013G082700

R: GCAGATACAAAATCCCATCACTCAC

NP 157

NP-like 157

POPTR_0006s16610

F: GCTGTAGATGCTTCACTTAGGTTC

65

54.4

1.986

Potri.T096300

R: GCCTTATTCGGTAGTTCCAAC

NP 860

NP-like 860

POPTR_0008s02860

F: TCAAACGGGTATCCTGTGATTGTC

96

61

2.07

Potri.008G028500

R: TGCTAAGGGTCCAAATGTCTGG

NP 870

NP-like 870

POPTR_0008s02870

F: AGGGGATGGAACTGGAGAAGTG

102

60

2.01

Potri.008G028600

R: CCACGAAAATGTCTGCGGTTG

NP 880

NP-like 880

POPTR_0008s02880

F: GCTACCAGGATACAACTCTCCATTG

127

55

1.99

Potri.008G028700

R: GCTGAAGAACCCCTAAAGATGTCTC