Abstract
We announce here the draft genome sequence of Nostoc piscinale CENA21, a diazotrophic heterocyst-forming cyanobacterium isolated from the Solimões River, Amazon Basin, Brazil. It consists of one circular chromosome scaffold with 11 contigs and total size of 7,094,556 bp. Secondary metabolite annotations indicate a good source for the discovery of novel natural products.
Highlights
We announce here the draft genome sequence of Nostoc piscinale CENA21, a diazotrophic heterocyst-forming cyanobacterium isolated from the Solimões River, Amazon Basin, Brazil
We announce here the draft genome sequence of Nostoc piscinale CENA21, isolated from a floodplain soil of Mari-Mari Island, Solimões River, Amazon Basin, Brazil (02°45’00.00=’S, 65°15=00.00ЉW), in August 1985, as previously described [11], and this strain is maintained in the culture collection of CENA/USP in Piracicaba, Sao Paulo, Brazil
Nostoc sp. strain PCC 7107 was selected as the reference genome and used to order the binned contigs into scaffolds by the software CONTIGuator, and the software GapFiller was used to reduce the number of Ns and gaps
Summary
We announce here the draft genome sequence of Nostoc piscinale CENA21, a diazotrophic heterocyst-forming cyanobacterium isolated from the Solimões River, Amazon Basin, Brazil. The great adaptation skills of cyanobacteria are directly related to their capacity to produce several bioactive natural compounds [2]. The genus Nostoc is known for the production of several highly bioactive compounds, such as cryptophycins, nosperin, nostocyclopeptide, nostopeptolide, and nostophycin [3,4,5,6,7], as well as potent toxins, like microcystin and nodularin [8, 9].
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