Table 4

Presence of genes encoding enzymes of the L-arginine-degrading pathways in the genomes of selected marine and freshwater cyanobacteria.
Pathway
 Arginase
 L-Arginine amidinotransferase
 L-Arginine deiminase
 L-Arginine oxidase/dehydrogenase
Enzymes
 B1
 B2
 B3
 C1
 C2
 C3
 D1
 D2
 D3
 D4
 D5
 E1
 E2
 E3
 E4
Marine species
Prochlorococcus marinus SS 120
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Prochlorococcus marinus str. MIT 9211
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Prochlorococcus marinus MIT 9312
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Prochlorococcus marinus MIT 9313
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Prochlorococcus marinus MED 4
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Prochlorococcus marinus NATL 2A
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Synechococcus sp. CC 9605
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 +
 +
 +
 +
Synechococcus sp. CC 9902
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Synechococcus sp. WH 8102
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Synechococcus sp. WH 7805
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 +
 +
 +
 +
Synechococcus sp. WH 5701
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 +
 +
 +
 +
Synechococcus sp. RS 9917
 +
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 n.d.
 +
 +
 +
Crocosphaera watsonii WH 8501
 n.d.
 +
 +
 +
 +
 +
 +
 n.d.
 n.d.
 +
 +
 n.d.
 n.d.
 +
 +
Trichodesmium erythraeum IMS 101
 +
 +
 +
 +
 +
 +
 +
 +
 n.d.
 +
 +
 +
 +
 +
 +
Freshwater species
Synechococcus elongatus sp. PCC 6301
 n.d.
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 +
 n.d.
 +
 +
Synechococcus elongatus sp. PCC 7942
 n.d.
 +
 +
 n.d.
 +
 +
 n.d.
 +
 n.d.
 +
 +
 +
 n.d.
 +
 +
Synechococcus Yellowstone sp. A JA-3-3-AB
 +
 +
 +
 n.d.
 +
 +
 n.d.
 n.d.
 n.d.
 +
 +
 n.d.
 +
 +
 +
Synechococcus Yellowstone sp. B JA-2-3B'a (2–13)
 +
 +
 +
 +
 +
 +
 +
 n.d.
 n.d.
 +
 +
 n.d.
 +
 +
 +
Thermosynechococcus elongatus BP-1
 n.d.
 +
 +
 +
 +
 +
 +
 +
 n.d.
 +
 +
 n.d.
 n.d.
 +
 +
Synechocystis sp. PCC 6803
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
Gloeobacter violaceus PCC 7421
 n.d.
 +
 +
 +
 +
 +
 +
 +
 n.d.
 +
 +
 +
 n.d.
 +
 +
Nostoc sp. PCC 7120
 +
 +
 +
 +
 +
 +
 +
 +
 n.d.
 +
 +
 +
 +
 +
 +
Nostoc punctiforme PCC 73102
 +
 +
 +
 +
 +
 +
 +
 +
 n.d.
 +
 +
 +
 +
 +
 +
Anabaena variabilis ATCC 29413
 +
 +
 +
 +
 +
 +
 +
 n.d.
 n.d.
 +
 +
 n.d.
 +
 +
 +

Schriek et al. BMC Genomics 2007 8:437   doi:10.1186/1471-2164-8-437