genetic regulation controlled study 10 gene expression 8 genetics 8 nonhuman 8 Article 6 DNA sequence 6 RNA 6 developmental stage 6 gene expression profiling 6 gene expression regulation 6 gene function 6 nucleotide sequence 6 DNA library 4 DNA, Complementary 4 Drosophila melanogaster 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 Nucleic Acid Hybridization 4 Organ-specific transcripts 4 Plant Leaves 4 Plant Roots 4 Plant Stems 4