Evidence map›Paper›PMID 19584053›Full record

ArticleThe Journal of biological chemistry2009

D-xylose degradation pathway in the halophilic archaeon Haloferax volcanii.

Ulrike Johnsen, Michael Dambeck, Henning Zaiss, Tobias Fuhrer, Jörg Soppa, Uwe Sauer, Peter Schönheit

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
5.1field-weighted citation impact, top 5% 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

42 citing papers in PubMed, 108 citations in OpenAlex.

  1. Review
  2. Article
  3. Journal of bacteriology · 2025
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  4. Article
  5. Article
  6. Engineering ofEngineering microbiology · 2023
    Review
  7. Article
  8. Article
  9. Review
  10. Xylo-Oligosaccharide Utilization by EngineeredFrontiers in bioengineering and biotechnology · 2022
    Review
  11. Review
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. 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

7 authors at 3 institutions in 2 countries.

Ulrike JohnsenInstitut für Allgemeine Mikrobiologie, Christian-Albrechts-Universität Kiel, D-24118 Kiel, Germany.
Michael Dambeck
Henning Zaiss
Tobias Fuhrer
Jörg Soppa
Uwe Sauer
Peter Schönheit
Kiel University · DEETH Zurich · CHGoethe University Frankfurt · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The pathway of D-xylose degradation in archaea is unknown. In a previous study we identified in Haloarcula marismortui the first enzyme of xylose degradation, an inducible xylose dehydrogenase (Johnsen, U., and Schönheit, P. (2004) J. Bacteriol. 186, 6198-6207). Here we report a comprehensive study of the complete D-xylose degradation pathway in the halophilic archaeon Haloferax volcanii. The analyses include the following: (i) identification of the degradation pathway in vivo following (13)C-labeling patterns of proteinogenic amino acids after growth on [(13)C]xylose; (ii) identification of xylose-induced genes by DNA microarray experiments; (iii) characterization of enzymes; and (iv) construction of in-frame deletion mutants and their functional analyses in growth experiments. Together, the data indicate that D-xylose is oxidized exclusively to the tricarboxylic acid cycle intermediate alpha-ketoglutarate, involving D-xylose dehydrogenase (HVO_B0028), a novel xylonate dehydratase (HVO_B0038A), 2-keto-3-deoxyxylonate dehydratase (HVO_B0027), and alpha-ketoglutarate semialdehyde dehydrogenase (HVO_B0039). The functional involvement of these enzymes in xylose degradation was proven by growth studies of the corresponding in-frame deletion mutants, which all lost the ability to grow on d-xylose, but growth on glucose was not significantly affected. This is the first report of an archaeal D-xylose degradation pathway that differs from the classical D-xylose pathway in most bacteria involving the formation of xylulose 5-phosphate as an intermediate. However, the pathway shows similarities to proposed oxidative pentose degradation pathways to alpha-ketoglutarate in few bacteria, e.g. Azospirillum brasilense and Caulobacter crescentus, and in the archaeon Sulfolobus solfataricus.

Indexed as

Amino Acid SequenceCell ExtractsGenes, ArchaealHaloferax volcaniiHydro-LyasesMolecular Sequence DataOligonucleotide Array Sequence AnalysisSequence DeletionXyloseCell ExtractsHydro-LyasesXylose

Identifiers

PMID19584053
PMCPMC2785657
OpenAlexW1971383763

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.