National Center for Biotechnology Information NCBI NLM MEDLINE genetic review gene expression regulation animals pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't u.s. gov't Comparative Study P.H.S. Genes Organ Specificity Promoter Regions gene expression profiling pmid:15338614 doi:10.1101/sqb.2003.68.159 s j mckay r johnsen d g moerman genetically modified caenorhabditis elegans / genetics* caenorhabditis elegans / growth & development* chromosome mapping developmental helminth green fluorescent proteins luminescent proteins / genetics oligonucleotide array sequence analysis recombinant fusion proteins / genetics