Figures (6)  Tables (3)
    • Figure 1.  (a) COG function annotation of stigma transcriptome. (b) GO function annotation of stigma transcriptome. (c) COG function annotation of anther transcriptome. (d) GO function annotation of anther transcriptome.

    • Figure 2.  (a) qRT-PCR verification of RNA-Seq results of stigma transcriptome. (b) qRT-PCR verification of RNA-Seq results of anther transcriptome.

    • Figure 3.  (a) Blast result of CmSRK1. (b) Expression profiles of CmSRK1 and CmPCP1 in different tissues of 'Q10-22-2'. MS: mature stigmas; IS: immature stigmas; MA: mature anthers; IA: immature anthers; B: flower buds; L: leaves. (c) Subcellular localization of CmSRK1 and CmPCP1. Bar=100 μm. (d) Transcriptional activation activity of CmSRK1 and CmPCP1. (e) Yeast two hybrid between CmSRK1 and CmPCP1.

    • Figure 4.  a,b GFP signals in stigmas and pollens of Arabidopsis. (a) GFP signal in stigmas of Arabidopsis; (b) GFP signals in pollens of Arabidopsis. Bar = 20 μm. (c) RT-PCR identification of CmSRK1 in Arabidopsis; (d) RT-PCR identification of CmPCP1 in Arabidopsis. #1 and #2: two transgenic lines.

    • Figure 5.  Floral organ observation of Arabidopsis after transformation of CmSRK1 and CmPCP1. The first column was the whole flowers, the second was the pistils and stamens, and the third column was the pistils. The arabidopsis used for observation was 30 d after planting. Bar = 1 mm.

    • Figure 6.  Anatomical observation of self-pollinated and cross-pollinated fruit pods of Arabidopsis. (a, b) Col-0⊗; (c, d) Col-0 × Col-0; (e) CmSRK1 #1⊗; (f) CmPCP1 #1⊗; (g, h) CmSRK1 #1 × CmPCP1 #1; (i) CmSRK1 #2⊗; (j) CmPCP1 #2⊗; (k, l) CmSRK1 #2 × CmPCP1 #2. The white arrows identify the defected position in transgenic Arabidopsis. Bar = 2 mm.

    • Unigene IDMS-FPKMIS-FPKMAnnotation
      CL7408.Contig272.135.61S-receptor-like serine/threonine-protein kinase RLK1
      CL5423.Contig16.764.03S-receptor-like serine/threonine-protein kinase At1g11410
      Unigene505495.710S-receptor-like serine/threonine-protein kinase SD1-1
      CL6070.Contig35.434.42S-receptor-like serine/threonine-protein kinase At4g27290
      CL8545.Contig15.381.58S-receptor-like serine/threonine-protein kinase SD1-1
      CL9433.Contig34.571.73S-receptor-like serine/threonine-protein kinase At2g19130
      Unigene179093.421.6S-receptor-like serine/threonine-protein kinase At1g34300
      Unigene106513.371.36S-receptor-like serine/threonine-protein kinase SD3-1
      CL1678.Contig133.211.1S-receptor-like serine/threonine-protein kinase B120
      CL1678.Contig33.181.49S-receptor-like serine/threonine-protein kinase At1g67520
      Unigene542852.970S-receptor-like serine/threonine-protein kinase At4g27290
      CL6328.Contig12.91.25S-receptor-like serine/threonine-protein kinase RLK1
      Unigene54722.460.82S-receptor-like serine/threonine-protein kinase At5g24080

      Table 1.  Candidate pistil S genes in 'Q10-22-2's stigmas.

    • Unigene IDMA-FPKMIA-FPKMAnnotation
      CL12121.Contig10.33262.6S locus-related glycoprotein 1 binding pollen coat protein
      CL12224.Contig129.61589.34pollen coat-like protein
      CL12224.Contig212.22156.65pollen coat-like protein
      CL12493.Contig12.06621.99S locus-related glycoprotein 1 binding pollen coat protein
      CL12896.Contig1113.15816.33pollen coat-like protein

      Table 2.  Candidate pollen S genes in 'Q10-22-2's anthers.

    • Self-pollination/cross-pollinationSeed set (%)
      Col-093.58 ± 2.17a
      Col-0 × Col-084.43 ± 5.01a
      CmSRK1 #184.89 ± 3.85a
      CmPCP1 #194.87 ± 2.25a
      CmSRK1 #1 × CmPCP1 #119.62 ± 6.70c
      CmSRK1 #278.26 ± 7.12a
      CmPCP1 #250.51 ± 6.60b
      CmSRK1 #2 × CmPCP1 #211.64 ± 3.68c
      Values given were mean ± standard error. Values with different superscript indicated significant differences at p ≤ 0.05 according to Tukey’s test.

      Table 3.  Self-pollinated and cross-pollinated seed sets of Arabidopsis.