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Table 6 Gene clusters involved in the biosynthesis of secondary metabolites

From: Highly plastic genome of Microcystis aeruginosa PCC 7806, a ubiquitous toxic freshwater cyanobacterium

Strain (a) Size Mb % SM (b) PKS NRPS Patellamide like
    Modular type I Iterative type I/glycolipid synthase (c) Enedyine type PKS III NRPS/PKS NRPS  
Mic-PCC7806 5.2* 3.5 1 0 1 1 (d) 2 1 1
Mic-NIES843 5.8 2.6 1 0 1 0 2 1 0
Cwa-WH8501 6.2* 1.6 0 0 0 0 1 6 (e) 0
Npu-PCC73102 8.2 4.5 2 2 0 0 6 1 0
Syn-PCC6803 3.6 0 0 0 0 0 0 0 0
  1. (a) See the Methods section for the strain identifiers.
  2. (b) %SM: percentage of the genome dedicated to secondary metabolites of the non-ribosomal peptide, polyketide or patellamide type family.
  3. (c) Iterative PKS I not including enedyine type.
  4. (d) PKS III is associated with modular PKS I.
  5. (e) NRPS clusters in Cwa-WH8501 are all of a small size with an average of 1–2 genes per cluster.
  6. * in-finishing genome; Mb: megabases; PKS: polyketide synthase; NRPS: non-ribosomal peptide synthetase.