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Philosophical Transactions of the Royal Society B: Biological Sciences logoLink to Philosophical Transactions of the Royal Society B: Biological Sciences
. 2013 Oct 5;368(1627):20130416. doi: 10.1098/rstb.2013.0416

Controlling the delicate balance of tetrapyrrole biosynthesis

Liang Yin, Carl E Bauer
PMCID: PMC3758181

Phil. Trans. R. Soc. B 368, 1622 (19 July 2013; Published online 10 June 2013) (doi:10.1098/rstb.2012.0262)

In the first line of §5a, the sentence ‘PpsR, or CrtJ depending on the species, is a redox-regulated repressor of tetrapyrrole gene expression [55–58]’ failed to cite that this repressor was initially discovered by Penfold & Pemberton [1,2].

References

  • 1.Penfold RJ, Pemberton JM. 1991. A gene from the photosynthetic gene cluster of Rhodobacter sphaeroides induces trans suppression of bacteriochlorophyll and carotenoid levels in R. sphaeroides and R. capsulatus. Curr. Microbiol. 23, 259–263 (doi:10.1007/BF02092027) [Google Scholar]
  • 2.Penfold RJ, Pemberton JM. 1994. Sequencing, chromosomal inactivation, and functional expression of ppsR, a gene which represses carotenoid and bacteriochlorophyll synthesis in Rhodobacter sphaeroides. J. Bacteriol. 176, 2869–2876 [DOI] [PMC free article] [PubMed] [Google Scholar]

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