Evidence map›Paper›PMID 21261884›Full record

ArticleMicrobial biotechnology2009

Functional analysis of aromatic biosynthetic pathways in Pseudomonas putida KT2440.

M Antonia Molina-Henares, Adela García-Salamanca, A Jesús Molina-Henares, Jesús de la Torre, M Carmen Herrera, Juan L Ramos, Estrella Duque

Open access · bronzeAbstract read
In one paragraph

Article in Microbial biotechnology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
0.6field-weighted citation impact, top 34% 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

16 citing papers in PubMed, 27 citations in OpenAlex.

  1. EngineeringMetabolic engineering communications · 2026
    Article
  2. The XRE family protein DbuR is a transcriptional repressor of theApplied and environmental microbiology · 2025
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  12. Transcriptional responses of Pseudomonas syringae to growth in epiphytic versus apoplastic leaf sites.Proceedings of the National Academy of Sciences of the United States of America · 2013
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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

7 authors at 1 institution in 1 country.

M Antonia Molina-HenaresConsejo Superior de Investigaciones Científicas, Estación del Zaidín, Department of Environmental Protection, Granada, Spain.
Adela García-Salamanca
A Jesús Molina-Henares
Jesús de la Torre
M Carmen Herrera
Juan L Ramos
Estrella Duque
Estación Experimental del Zaidín · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pseudomonas putida KT2440 is a non-pathogenic prototrophic bacterium with high potential for biotechnological applications. Despite all that is known about this strain, the biosynthesis of essential chemicals has not been fully analysed and auxotroph mutants are scarce. We carried out massive mini-Tn5 random mutagenesis and screened for auxotrophs that require aromatic amino acids. The biosynthesis of aromatic amino acids was analysed in detail including physical and transcriptional organization of genes, complementation assays and feeding experiments to establish pathway intermediates. There is a single pathway from chorismate leading to the biosynthesis of tryptophan, whereas the biosynthesis of phenylalanine and tyrosine is achieved through multiple convergent pathways. Genes for tryptophan biosynthesis are grouped in unlinked regions with the trpBA and trpGDE genes organized as operons and the trpI, trpE and trpF genes organized as single transcriptional units. The pheA and tyrA gene-encoding multifunctional enzymes for phenylalanine and tyrosine biosynthesis are linked in the chromosome and form an operon with the serC gene involved in serine biosynthesis. The last step in the biosynthesis of these two amino acids requires an amino transferase activity for which multiple tyrB-like genes are present in the host chromosome.

Indexed as

Biosynthetic PathwaysAmino Acids, AromaticAutotrophic ProcessesBacterial ProteinsOperonPseudomonas putidaZea maysAmino Acids, AromaticBacterial Proteins

Identifiers

PMID21261884
PMCPMC3815424
OpenAlexW1989171941

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.