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Table 1 Distribution of sensor kinase and response regulatory proteins in photosynthetic plastids.

From: Chloroplast His-to-Asp signal transduction: a potential mechanism for plastid gene regulation in Heterosigma akashiwo (Raphidophyceae)

Taxon/Organism Sensor Kinase Copy Number Sensor Kinase Accession Number Response Regulator Copy Number Response Regulator Accession Number
   Heterosigma akashiwo 1 EF115378 2 CAB46638
   Aureoumbra laguensis 0 NP 0 NP
   Odontella sinensis 0 NP 0 NP
   Phaeodactylum tricornutum 0 NP 0 NP
   Thalassiosira pseudonana 0 NP 0 NP
   Emiliania huxleyi 1 YP_277392 1 YP_277359
   Guillardia theta 0 NP 1 NP_050679
   Cyanophora paradoxa 0 NP 2 NP_043139, NP_043243 (partial)
   Cyanidioschyzon merolae 0 NP 1 NP_849001
   Cyanidium caldarium 1 AAF12904 2 Q9TLQ4, CAA44458
   Gracilaria tenuistipitata var.liui 1 YP_063707 1 YP_063539
   Porphyra purpurea 1 AAC08278 1 NP_053968
   Porphyra yezoensis 1 YP_537073 1 YP_537039
   Porphyridium aerugineum -- NP 1 CAA44464
   Rhodella violacea -- NP 1 AAA62132
   Chlorokybus atmophyticus 0 NP 1 ABM87971
  1. The dashed lines (--) indicate that the complete chloroplast genome for that taxon is not available, so the presence or absence of the gene is unknown. NP indicates not present.