Evidence map›Paper›PMID 23408430›Full record

ArticleThe Journal of biological chemistry2013

Unusual galactofuranose modification of a capsule polysaccharide in the pathogenic yeast Cryptococcus neoformans.

Christian Heiss, Michael L Skowyra, Hong Liu, J Stacey Klutts, Zhirui Wang, Matthew Williams, Deepa Srikanta, Stephen M Beverley, Parastoo Azadi, Tamara L Doering

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2013. 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
2.6field-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, 37 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
  5. Review
  6. Article
  7. Peeling the onion: the outer layers of Cryptococcus neoformans.Memorias do Instituto Oswaldo Cruz · 2018
    Review
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. MacrophageCurrent fungal infection reports · 2014
    Article
  17. Review
  18. Article
  19. 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

10 authors at 2 institutions in 1 country.

Christian HeissComplex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, USA.
Michael L Skowyra
Hong Liu
J Stacey Klutts
Zhirui Wang
Matthew Williams
Deepa Srikanta
Stephen M Beverley
Parastoo Azadi
Tamara L Doering
Washington University in St. Louis · USUniversity of Georgia · US

Funding

GLYCOSYLATION MUTANTS OF LEISHMANIAR01AI031078 · NIAID · WASHINGTON UNIVERSITY · PI BEVERLEY, STEPHEN M · 1992 to 2019
$11.4M
GLYCAN BIOSYNTHESIS IN CRYPTOCOCCUS NEOFORMANSR01GM071007 · NIGMS · WASHINGTON UNIVERSITY · PI DOERING, TAMARA L · 2004 to 2010
$1.9M
NIAID NIH HHS R01 AI031078NIGMS NIH HHS R01 GM071007
6 · The paper itself

Abstract

Galactofuranose (Galf) is the five-membered ring form of galactose. Although it is absent from mammalian glycans, it occurs as a structural and antigenic component of important cell surface molecules in a variety of microbes, ranging from bacteria to parasites and fungi. One such organism is Cryptococcus neoformans, a pathogenic yeast that causes lethal meningoencephalitis in immunocompromised individuals, particularly AIDS patients. C. neoformans is unique among fungal pathogens in bearing a complex polysaccharide capsule, a critical virulence factor reported to include Galf. Notably, how Galf modification contributes to the structure and function of the cryptococcal capsule is not known. We have determined that Galf is β1,2-linked to an unusual tetrasubstituted galactopyranose of the glucuronoxylomannogalactan (GXMGal) capsule polysaccharide. This discovery fills a longstanding gap in our understanding of a major polymer of the cryptococcal capsule. We also engineered a C. neoformans strain that lacks UDP-galactopyranose mutase; this enzyme forms UDP-Galf, the nucleotide sugar donor required for Galf addition. Mutase activity was required for the incorporation of Galf into glucuronoxylomannogalactan but was dispensable for vegetative growth, cell integrity, and virulence in a mouse model.

Indexed as

AIDS-Related Opportunistic InfectionsAnimalsCryptococcus neoformansDisease Models, AnimalFungal CapsulesFungal PolysaccharidesGalactoseHumansMeningitis, CryptococcalMiceFungal PolysaccharidesGalactose

Identifiers

PMID23408430
PMCPMC3630864
OpenAlexW2160027458

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.