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Table 6 The PiceaGenExpress database: sample characteristics, hybridizations and detected genes

From: Transcriptome profiling in conifers and the PiceaGenExpress database show patterns of diversification within gene families and interspecific conservation in vascular gene expression

  Plant material Microarrays Genes5
    Tissue type Sp1 Source sampling2 Genotype3 Slide Imaging4 Total Unique Non-annotated
1 Embryogenic cells Pgl a, a 1 6 SQ 10,066 100 2,456
2 Vegetative buds Pgl b, c 2 10 SQ 12,361 128 3,216
3 Xylem (Mature) Pgl d, d 60 60 SQ 14,686 176 4,232
4 Xylem (juvenile) Pgl e, f 30 20 SQ 13,807 56 3,701
5 Phelloderm Pgl e, f 30 20 SQ 15,803 214 4,391
6 Young needles Pgl e, f 30 10 SQ 12,819 167 3,025
7 Megagametophytes Pgl g, c 3 3 PA 17,056 1,111 5,205
8 Adventitious roots Pab h, c 8 20 PA 15,718 393 4,696
      Total detected 21,241 2,345  
      Not detected 2,612   
  1. 1 Pgl: Picea glauca (White spruce); Pab: Picea abies (Norway spruce).
  2. 2 The source of materials and the sampling method are from the following studies: a, [43]; b, [37]; c, this paper, see methods; d, [23]; e, O-P seedlot, this paper see methods; f, [22]; g, C2856 parent from [38]; h, [44].
  3. 3 Total numbers of genotypes analyzed (either individually or in pools).
  4. 4 Microarray Scanner and Image Processing: SQ, ScanArray Express (Perkin Elmer, Waltham MA, USA) and QuantArray v3.0 (Packard BioChip Technologies, Billerica, MA, USA); PA, PowerScanner (Tecan Group Ltd., Männedorf, Switzerland) and ArrayPro Analyser v6.3 (Media Cybernetics, Bethesda, MD, USA).
  5. 5 Total: number of genes above background (see methods); Unique: genes detected only in one tissue.
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