Evidence map›Paper›PMID 35513392›Full record

ArticleNature communications2022

Combinatorial GxGxE CRISPR screen identifies SLC25A39 in mitochondrial glutathione transport linking iron homeostasis to OXPHOS.

Xiaojian Shi, Bryn Reinstadler, Hardik Shah, Tsz-Leung To, Katie Byrne, Luanna Summer, Sarah E Calvo, Olga Goldberger, John G Doench, Vamsi K Mootha and 1 more

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed
16.5field-weighted citation impact, top 1% 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

74 citing papers in PubMed, 97 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Review
  7. Article
  8. Structural evolution of the MTCH family of mitochondrial insertases.bioRxiv : the preprint server for biology · 2026
    Article
  9. Article
  10. From the cytosol to the inner membrane: biogenesis of the mitochondrial carrier family.Protein science : a publication of the Protein Society · 2026
    Review
  11. Article
  12. Review
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

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

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 3 institutions in 2 countries.

Xiaojian Shi *Cellular and Molecular Physiology Department, Yale School of Medicine, New Haven, CT, USA.ORCID 0000-0001-7456-2901
Bryn Reinstadler *Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.ORCID 0000-0001-6133-5785
Hardik ShahHoward Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.ORCID 0000-0001-8408-5686
Tsz-Leung ToHoward Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.
Katie ByrneCellular and Molecular Physiology Department, Yale School of Medicine, New Haven, CT, USA.
Luanna SummerCellular and Molecular Physiology Department, Yale School of Medicine, New Haven, CT, USA.
Sarah E CalvoHoward Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.
Olga GoldbergerHoward Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.
John G DoenchBroad Institute, Cambridge, MA, USA.ORCID 0000-0002-3707-9889
Vamsi K MoothaHoward Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.ORCID 0000-0001-9924-642X
Hongying ShenCellular and Molecular Physiology Department, Yale School of Medicine, New Haven, CT, USA. hongying.shen@yale.edu.ORCID 0000-0002-2115-7037
Broad Institute · USYale University · USHoward Hughes Medical Institute · US

Funding

Mitochondrial Parts, Pathways, and PathogenesisR35GM122455 · NIGMS · BROAD INSTITUTE, INC. · PI MOOTHA, VAMSI KRISHNA · 2017 to 2021
$4.0M
An integrated approach to the study of mitochondrial vitamin B12 pathway and type II fatty acid synthesisR00GM124296 · NIGMS · YALE UNIVERSITY · PI SHEN, HONGYING · 2020 to 2022
$747k
An integrated approach to the study of mitochondrial vitamin B12 pathway and type II fatty acid synthesisK99GM124296 · NIGMS · MASSACHUSETTS GENERAL HOSPITAL · PI SHEN, HONGYING · 2017 to 2018
$180k
Howard Hughes Medical InstituteNIGMS NIH HHS K99 GM124296NIGMS NIH HHS R00 GM124296NIGMS NIH HHS R35 GM122455
6 · The paper itself

Abstract

The SLC25 carrier family consists of 53 transporters that shuttle nutrients and co-factors across mitochondrial membranes. The family is highly redundant and their transport activities coupled to metabolic state. Here, we use a pooled, dual CRISPR screening strategy that knocks out pairs of transporters in four metabolic states - glucose, galactose, OXPHOS inhibition, and absence of pyruvate - designed to unmask the inter-dependence of these genes. In total, we screen 63 genes in four metabolic states, corresponding to 2016 single and pair-wise genetic perturbations. We recover 19 gene-by-environment (GxE) interactions and 9 gene-by-gene (GxG) interactions. One GxE interaction hit illustrates that the fitness defect in the mitochondrial folate carrier (SLC25A32) KO cells is genetically buffered in galactose due to a lack of substrate in de novo purine biosynthesis. GxG analysis highlights a buffering interaction between the iron transporter SLC25A37 (A37) and the poorly characterized SLC25A39 (A39). Mitochondrial metabolite profiling, organelle transport assays, and structure-guided mutagenesis identify A39 as critical for mitochondrial glutathione (GSH) import. Functional studies reveal that A39-mediated glutathione homeostasis and A37-mediated mitochondrial iron uptake operate jointly to support mitochondrial OXPHOS. Our work underscores the value of studying family-wide genetic interactions across different metabolic environments.

Indexed as

Clustered Regularly Interspaced Short Palindromic RepeatsGalactoseGlutathioneHomeostasisIronMembrane Transport ProteinsGalactoseGlutathioneIronMembrane Transport Proteins

Identifiers

PMID35513392
PMCPMC9072411
OpenAlexW4229016802

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.