MpeU family


Present only in PEII-containing marine Synechococcus. It is found both in strains with a high PUB:PEB ratio and in type IV chromatic adapters (Six et al., 2007; Mahmoud et al., 2017). Interruption of mpeU caused a reduction in PUB content, impaired phycobilisome assembly and reduced growth rate more strongly in blue than green light.(Mahmoud et al.2017). therefore important for adaptation of Synechococcus spp. to blue light.


  • Mahmoud et al., 2017. Adaptation to blue light in marine Synechococcus requires MpeU, an enzyme with similarity to phycoerythrobilin lyase isomerases Front Microbiol, 8, 243.
  • Six et al., 2007. Diversity and evolution of phycobilisomes in marine Synechococcus spp.: a comparative genomics study Genome Biol, 8, R259.

Showing only sure genes

Gene Locus tag Genbank Species Strain PBP in rods Pigment type Remark Length Last change
MpeU family sync_0501 YP_729728.1 Synechococcus sp. CC9311 PC+PEI+PEII 3dA/CA4-A 291 10-25-2011
MpeU family Syncc9605_0432 YP_380763.1 Synechococcus sp. CC9605 PC+PEI+PEII 3c 299 10-25-2011
MpeU family SH8109_0074 ZP_05788568.1 Synechococcus sp. WH8109 PC+PEI+PEII 3bB 298 10-25-2011
MpeU family SYNW2011 NP_898102.1 Synechococcus sp. WH8102 PC+PEI+PEII 3c 301 10-25-2011
MpeU family Syncc9902_1896 YP_377897.1 Synechococcus sp. CC9902 PC+PEI+PEII 3dA/CA4-A 298 10-25-2011
MpeU family BL107_08941 ZP_01469891.1 Synechococcus sp. BL107 PC+PEI+PEII 3dA/CA4-A 298 10-25-2011
MpeU family RS9916_40221 ZP_01473087.1 Synechococcus sp. RS9916 PC+PEI+PEII 3dA/CA4-A 298 10-25-2011
MpeU family SynRCC307_2051 YP_001228307.1 Synechococcus sp. RCC307 PC+PEI+PEII 3eA 298 10-25-2011
MpeU family SynWH8020_mpeU AAA27335.1 Synechococcus sp. WH8020 PC+PEI+PEII 3dA/CA4-A 297 08-26-2012

Model strain Model strains, Marine strains

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