Nucleic Acid Hybridization 12 nucleic acid hybridization genetics 10 article 8 chemistry 8 DNA sequence 6 GISH 6 Genome, Plant 6 methodology 6 plant genome 6 DNA library 4 DNA probe 4 DNA, Complementary 4 DNA, Plant 4 EST 4 Expressed Sequence Tags 4 Flowers 4 Gene Expression Profiling 4 Gene Expression Regulation, Developmental 4 Gene Expression Regulation, Plant 4 Gene Library 4 Helianthus 4 Helianthus annuus 4 In Situ Hybridization 4 In Situ Hybridization, Fluorescence 4 Organ-specific transcripts 4 Plant Leaves 4 Plant Roots 4 Plant Stems 4 RNA 4