2000l-121 579 artificialseawater assistedreproductivetechniques bacteria biologicaltransport biology biomedicalresearch bioreactors cellculturetechniques cellline cells chemostat composition control cultured culturemedia cytology development ecologicalgenetics environmentalmicrobiology environmentalmonitoring epithelialcells epithelium fungi geneexpressionprofiling general genetics genomes genomics governmentinvestigators growth helminths humanreproductivetechnology infertility lifesciences marineinvertebrates methods microbial microbialdiversity microbialecology microbiologicaltechniques microbiology mutagenicitytests nervetissue neurons physiology prevention qu25e612008 qw55a1692008 qw55n8122000 research science seawater skin smallpox smallpoxvaccine solutions therapy variolavirus vertebratesnervoussystem virology zoology