Journal Article Research Support, Non-U.S. Gov't cyanobacteria adhesion diatom 16S rRNA 16S-23S ITS AFM Gateway cloning Nitrates Phaeodactylum tricornutum RNA, Ribosomal, 16S Raphidiopsis raciborskii acetylene reduction assay adaptation atomic force microscopy average nucleotide identity biofilm biofouling bioinformatics cell adhesion molecules chill/light stress cyanotoxin cylindrospermopsin extracellular matrix gene identification heterocysts intraspecific diversity invasion nifH