Evidence map›Paper›PMID 27226387›Full record

ArticleBiochemistry2016

Biochemical and Cellular Characterization and Inhibitor Discovery of Pseudomonas aeruginosa 15-Lipoxygenase.

Joshua D Deschamps, Abiola F Ogunsola, J Brian Jameson, Adam Yasgar, Becca A Flitter, Cody J Freedman, Jeffrey A Melvin, Jason V M H Nguyen, David J Maloney, Ajit Jadhav and 3 more

Open access · greenAbstract read
In one paragraph

Article in Biochemistry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
3.1field-weighted citation impact, top 10% 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

19 citing papers in PubMed, 34 citations in OpenAlex.

  1. Review
  2. Article
  3. Emerging Roles of Ferroptosis in Skin Pathophysiology.The Journal of investigative dermatology · 2025
    Review
  4. Review
  5. Article
  6. Lipoxygenases at the Intersection of Infection and Carcinogenesis.International journal of molecular sciences · 2024
    Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Role of Host and Bacterial Lipids inFrontiers in immunology · 2022
    Review
  12. Review
  13. Article
  14. Review
  15. Frontiers in microbiology · 2019
    Article
  16. Article
  17. Article
  18. Article
  19. Pseudomonas aeruginosa sabotages the generation of host proresolving lipid mediators.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
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

13 authors at 4 institutions in 1 country.

Joshua D DeschampsDepartment of Chemistry and Biochemistry, University of California , Santa Cruz, California 95064, United States.
Abiola F OgunsolaDepartment of Microbiology and Molecular Genetics, University of Pittsburgh , Pittsburgh, Pennsylvania 15219, United States.
J Brian JamesonDepartment of Chemistry and Biochemistry, University of California , Santa Cruz, California 95064, United States.
Adam YasgarNational Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, MSC 3370, Bethesda, Maryland 20892, United States.
Becca A FlitterDepartment of Microbiology and Molecular Genetics, University of Pittsburgh , Pittsburgh, Pennsylvania 15219, United States.
Cody J FreedmanDepartment of Chemistry and Biochemistry, University of California , Santa Cruz, California 95064, United States.
Jeffrey A MelvinDepartment of Microbiology and Molecular Genetics, University of Pittsburgh , Pittsburgh, Pennsylvania 15219, United States.
Jason V M H NguyenDepartment of Chemistry and Biochemistry, University of California , Santa Cruz, California 95064, United States.
David J MaloneyNational Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, MSC 3370, Bethesda, Maryland 20892, United States.
Ajit JadhavNational Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, MSC 3370, Bethesda, Maryland 20892, United States.
Anton SimeonovNational Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, MSC 3370, Bethesda, Maryland 20892, United States.
Jennifer M BombergerDepartment of Microbiology and Molecular Genetics, University of Pittsburgh , Pittsburgh, Pennsylvania 15219, United States.
Theodore R HolmanDepartment of Chemistry and Biochemistry, University of California , Santa Cruz, California 95064, United States.
University of California, Santa Cruz · USUniversity of Pittsburgh · USNational Center for Advancing Translational Sciences · USNational Institutes of Health · US

Funding

Viral Persistence and PathogenesisT32AI049820 · NIAID · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI DELUCA, NEAL A. · 2001 to 2024
$5.5M
Functional and Inhibitory Studies of Human LipoxygenaseR01GM056062 · NIGMS · UNIVERSITY OF CALIFORNIA SANTA CRUZ · PI HOLMAN, THEODORE R · 2002 to 2012
$3.1M
15-LOX-1 inhibitors as Potential Anti-Platelet TherapeuticsZIATR000196 · NCATS · NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES · PI SIMEONOV, ANTON · 2015 to 2020
$1.0M
Polymicrobial Interactions in the LungR00HL098342 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI BOMBERGER, JENNIFER MELINDA · 2011 to 2013
$735k
THERMO ELECTRON LTQ-FT MASS SPECTROMETERS10RR020939 · NCRR · UNIVERSITY OF CALIFORNIA SANTA CRUZ · PI HOLMAN, THEODORE R · 2006 to 2006
$368k
FUNCTIONAL STUDIES OF HUMAN AND SOYBEAN LIPOXYGENASER29GM056062 · NIGMS · UNIVERSITY OF CALIFORNIA SANTA CRUZ · PI HOLMAN, THEODORE R · 1997 to 2001
$206k
NCRR NIH HHS S10 RR020939NHLBI NIH HHS R00 HL098342NIAID NIH HHS T32 AI049820NIGMS NIH HHS R01 GM056062NIGMS NIH HHS R29 GM056062
6 · The paper itself

Abstract

Pseudomonas aeruginosa is an opportunistic pathogen that can cause nosocomial and chronic infections in immunocompromised patients. P. aeruginosa secretes a lipoxygenase, LoxA, but the biological role of this enzyme is currently unknown. LoxA is poorly similar in sequence to both soybean LOX-1 (s15-LOX-1) and human 15-LOX-1 (37 and 39%, respectively) yet has kinetics comparably fast versus those of s15-LOX-1 (at pH 6.5, Kcat = 181 ± 6 s(-1) and Kcat/KM = 16 ± 2 μM(-1) s(-1)). LoxA is capable of efficiently catalyzing the peroxidation of a broad range of free fatty acid (FA) substrates (e.g., AA and LA) with high positional specificity, indicating a 15-LOX. Its mechanism includes hydrogen atom abstraction [a kinetic isotope effect (KIE) of >30], yet LoxA is a poor catalyst against phosphoester FAs, suggesting that LoxA is not involved in membrane decomposition. LoxA also does not react with 5- or 15-HETEs, indicating poor involvement in lipoxin production. A LOX high-throughput screen of the LOPAC library yielded a variety of low-micromolar inhibitors; however, none selectively targeted LoxA over the human LOX isozymes. With respect to cellular activity, the level of LoxA expression is increased when P. aeruginosa undergoes the transition to a biofilm mode of growth, but LoxA is not required for biofilm growth on abiotic surfaces. However, LoxA does appear to be required for biofilm growth in association with the host airway epithelium, suggesting a role for LoxA in mediating bacterium-host interactions during colonization.

Indexed as

Amino Acid SequenceAnimalsAntibody FormationArachidonate 15-LipoxygenaseHumansHydroxyeicosatetraenoic AcidsKineticsLipoxygenase InhibitorsPseudomonas aeruginosaRabbitsSubstrate Specificity15-hydroxy-5,8,11,13-eicosatetraenoic acid5-hydroxy-6,8,11,14-eicosatetraenoic acidArachidonate 15-LipoxygenaseHydroxyeicosatetraenoic AcidsLipoxygenase Inhibitors

Identifiers

PMID27226387
PMCPMC7249612
OpenAlexW2407948612

What OpenQuestion holds

Textmetadata
LicenceTDM
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.