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Table 3 Summary of the gene expression studies Note that Synechocystis PCC 6803 does not survive under nitrogen deprivation, i.e. nitrogen-fixing conditions.

From: Presence and expression of hydrogenase specific C-terminal endopeptidases in cyanobacteria

Cyanobacterium

Gene

nitrogen-fixinga

non-nitrogen-fixinga

Synechocystis PCC 6803

hoxH

lethal

+

 

hoxW

lethal

+

Nostoc punctiforme

hupL

+

-

ATCC 29133/PCC 7120

hupW

+

+

Anabaena PCC 7120

hupL

+

-

 

hupW

+

+

 

hoxH

+

+

 

hoxW

+

+

  1. a +: expressed, -: not expressed