PRJNA244
Nitrogen-fixing cyanobacteria that also produce a variety of cyanotoxins
fixation. 
 <P>
 <B><I>Nostoc</I> sp. PCC7120</B>. Also known as <I>Anabaena</I> sp. PCC7120 this strain is wild-type. It differs from closely related <I>Anabaena variabilis</I> ATCC 29413 in that the heterocyst formation system has a programmed gene rearrangement at the <I>hupL</I> locus.