Open AccessThe cyanobiont in an Azolla fern is neither Anabaena nor Nostoc
Author(s) -
Baker Judith A,
Entsch Barrie,
McKay David B
Publication year - 2003
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1016/s0378-1097(03)00784-5
Subject(s) - azolla , fern , nostoc , anabaena , heterocyst , botany , biology , cyanobacteria , pistia , phycocyanin , 16s ribosomal rna , bacteria , ecology , aquatic plant , genetics , macrophyte
The cyanobacterial symbionts in the fern Azolla have generally been ascribed to either the Anabaena or Nostoc genera. By using comparisons of the sequences of the phycocyanin intergenic spacer and a fragment of the 16S rRNA, we found that the cyanobiont from an Azolla belongs to neither of these genera.