NCBI taxonomy database Arabidopsis thaliana Hepatitis C virus Pneumocystis carinii Bos taurus Homo sapiens Rattus norvegicus Caenorhabditis elegans Magnaporthe grisea Saccharomyces cerevisiae Chlamydomonas reinhardtii Mus musculus Schizosaccharomyces pombe Danio rerio zebrafish Mycoplasma pneumoniae Takifugu rubripes Dictyostelium discoideum Neurospora crassa Xenopus laevis Drosophila melanogaster Oryza sativa Zea mays Escherichia coli Plasmodium falciparum Legume Medicago truncatula