Evidence map›Paper›PMID 21803911›Full record

ArticleApplied and environmental microbiology2011

Response of Pseudomonas putida KT2440 to increased NADH and ATP demand.

Birgitta E Ebert, Felix Kurth, Marcel Grund, Lars M Blank, Andreas Schmid

Open access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

44 citing papers in PubMed, 134 citations in OpenAlex.

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  13. Micro-aerobic production of isobutanol with engineeredEngineering in life sciences · 2021
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  16. Construction of T7-Like Expression System inFrontiers in chemistry · 2021
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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

5 authors at 2 institutions in 1 country.

Birgitta E EbertLaboratory of Chemical Biotechnology, TU Dortmund University, Dortmund, Germany.
Felix Kurth
Marcel Grund
Lars M Blank
Andreas Schmid
TU Dortmund University · DELeibniz Institute for Analytical Sciences - ISAS · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adenosine phosphate and NAD cofactors play a vital role in the operation of cell metabolism, and their levels and ratios are carefully regulated in tight ranges. Perturbations of the consumption of these metabolites might have a great impact on cell metabolism and physiology. Here, we investigated the impact of increased ATP hydrolysis and NADH oxidation rates on the metabolism of Pseudomonas putida KT2440 by titration of 2,4-dinitrophenol (DNP) and overproduction of a water-forming NADH oxidase, respectively. Both perturbations resulted in a reduction of the biomass yield and, as a consequence of the uncoupling of catabolic and anabolic activities, in an amplification of the net NADH regeneration rate. However, a stimulation of the specific carbon uptake rate was observed only when P. putida was challenged with very high 2,4-dinitrophenol concentrations and was comparatively unaffected by recombinant NADH oxidase activity. This behavior contrasts with the comparably sensitive performance described, for example, for Escherichia coli or Saccharomyces cerevisiae. The apparent robustness of P. putida metabolism indicates that it possesses a certain buffering capacity and a high flexibility to adapt to and counteract different stresses without showing a distinct phenotype. These findings are important, e.g., for the development of whole-cell redox biocatalytic processes that impose equivalent burdens on the cell metabolism: stoichiometric consumption of (reduced) redox cofactors and increased energy expenditures, due to the toxicity of the biocatalytic compounds.

Indexed as

2,4-DinitrophenolAdenosine TriphosphateEnergy MetabolismMultienzyme ComplexesNADNADH, NADPH OxidoreductasesOxidation-ReductionPseudomonas putida2,4-DinitrophenolAdenosine TriphosphateMultienzyme ComplexesNADNADH, NADPH OxidoreductasesNADH oxidase

Identifiers

PMID21803911
PMCPMC3187158
OpenAlexW2126593014

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.