Evidence map›Paper›PMID 23345435›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

Retrograde bilin signaling enables Chlamydomonas greening and phototrophic survival.

Deqiang Duanmu, David Casero, Rachel M Dent, Sean Gallaher, Wenqiang Yang, Nathan C Rockwell, Shelley S Martin, Matteo Pellegrini, Krishna K Niyogi, Sabeeha S Merchant and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed
4.8field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

64 citing papers in PubMed, 121 citations in OpenAlex.

  1. Transfer of chloroplastSynthetic and systems biotechnology · 2027
    Article
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  7. Review
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  10. Sensing a rainbow of colors: algal photoreceptors.Frontiers in plant science · 2025
    Review
  11. Article
  12. Article
  13. Article
  14. mBio · 2024
    Article
  15. Article
  16. Article
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  18. Article
  19. Elucidating the origins of phycocyanobilin biosynthesis and phycobiliproteins.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  20. Review

4 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 8 institutions in 4 countries.

Deqiang DuanmuDepartment of Molecular and Cellular Biology, University of California, Davis, CA 95616, USA.
David Casero
Rachel M Dent
Sean Gallaher
Wenqiang Yang
Nathan C Rockwell
Shelley S Martin
Matteo Pellegrini
Krishna K Niyogi
Sabeeha S Merchant
Arthur R Grossman
J Clark Lagarias
University of California, Davis · USUniversity of California, Los Angeles · USCarnegie Institution for Science · USDepartment of Plant Biology · USDigital Proteomics (United States) · USGenomics (United Kingdom) · GBHoward Hughes Medical Institute · USInstitute of Plant and Microbial Biology, Academia Sinica · TW

Funding

Transcriptional profiling and annotation of the Chlamydomonas genomeR24GM092473 · NIGMS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MERCHANT, SABEEHA · 2011 to 2014
$1.2M
Howard Hughes Medical InstituteNIGMS NIH HHS R24 GM092473NIGMS NIH HHS R24GM092473
6 · The paper itself

Abstract

The maintenance of functional chloroplasts in photosynthetic eukaryotes requires real-time coordination of the nuclear and plastid genomes. Tetrapyrroles play a significant role in plastid-to-nucleus retrograde signaling in plants to ensure that nuclear gene expression is attuned to the needs of the chloroplast. Well-known sites of synthesis of chlorophyll for photosynthesis, plant chloroplasts also export heme and heme-derived linear tetrapyrroles (bilins), two critical metabolites respectively required for essential cellular activities and for light sensing by phytochromes. Here we establish that Chlamydomonas reinhardtii, one of many chlorophyte species that lack phytochromes, can synthesize bilins in both plastid and cytosol compartments. Genetic analyses show that both pathways contribute to iron acquisition from extracellular heme, whereas the plastid-localized pathway is essential for light-dependent greening and phototrophic growth. Our discovery of a bilin-dependent nuclear gene network implicates a widespread use of bilins as retrograde signals in oxygenic photosynthetic species. Our studies also suggest that bilins trigger critical metabolic pathways to detoxify molecular oxygen produced by photosynthesis, thereby permitting survival and phototrophic growth during the light period.

Indexed as

Phototrophic ProcessesPigmentationSignal TransductionBile PigmentsBiliverdineBiocatalysisChlamydomonas reinhardtiiChlorophyllChloroplastsGene Expression ProfilingGene Expression Regulation, PlantGene Regulatory NetworksGenes, PlantHemeHeme Oxygenase (Decyclizing)IronBile PigmentsBiliverdineChlorophyllHemeHeme Oxygenase (Decyclizing)IronOxidoreductasesPhycobilinsPhycocyaninphycocyanobilin

Identifiers

PMID23345435
PMCPMC3587268
OpenAlexW2147913580

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.