Table 1 Strains and plasmids used in this study

Cyanobacterial strains

 Synechocystis sp. PCC 6803

Wild type

Pasteur culture collection

 Δadc1

Δadc1 knockout, Km^R inserted between adc1 gene in Synechocystis genome

[5]

 WT control (WTc)

WT, Cm^R integrated at flanking region of psbA2 gene in Synechocystis genome

This study

 Δadc1 control (Δadc1c)

Δadc1, Cm^R integrated at flanking region of psbA2 gene in Synechocystis genome

This study

 OXP

ProC, Cm^R integrated at flanking region of psbA2 gene in Synechocystis WT genome

This study

 OXP/Δadc1

ProC, Cm^R integrated at flanking region of psbA2 gene in Synechocystis Δadc1 genome

This study

Plasmids

 pEERM

P_psbA2- Cm^R; plasmid containing flanking region of psbA2 gene

[26]

 pEERM_ProC

P_psbA2-ProC- Cm^R; integrated between SpeI and PstI sites of pEERM

This study