AnabaenaSaxitoxinCycasMarine ToxinsAnabaena variabilisPhycocyaninAphanizomenonMicrocystinsTropanesShellfishCyanobacteriaNeurotoxinsAnabaena flos-aquaeNitrogen FixationAustraliaNitrogenaseAnabaena cylindricaAcetylenePhylogenyBacterial ProteinsSequence Analysis, DNARNA, Ribosomal, 16SFlavodoxinNostocFerredoxin-NADP ReductaseNitrogenGenes, BacterialGene Expression Regulation, BacterialMolecular Sequence DataOscillatoriaGlutamate-Ammonia LigaseMethionine SulfoximineAmino Acid Sequence