Evidence map›Paper›PMID 15189988›Full record

ArticleEukaryotic cell2004

Lipid raft polarization contributes to hyphal growth in Candida albicans.

Stephen W Martin, James B Konopka

Open access · diamondAbstract read
In one paragraph

Article in Eukaryotic cell, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers.

0numbers the graph read from it
0cells of the map it votes in
113citing papers in PubMed
5.9field-weighted citation impact, top 3% 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

113 citing papers in PubMed, 231 citations in OpenAlex.

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53 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

Stephen W MartinProgram in Biochemistry and Cell Biology, State University of New York, Stony Brook, NY 11794-5222, USA.
James B Konopka
Stony Brook University · US

Funding

Regulation of Morphogenesis in C. albicansR01AI047837 · NIAID · STATE UNIVERSITY NEW YORK STONY BROOK · PI James B Konopka · 2001 to 2026
$8.8M
NIAID NIH HHS R01 AI047837NIAID NIH HHS R01 AI47837
6 · The paper itself

Abstract

The polarization of sterol- and sphingolipid-enriched domains (lipid rafts) has been linked to morphogenesis and cell movement in diverse cell types. In the yeast Saccharomyces cerevisiae, a dramatic polarization of sterol-rich domains to the shmoo tip was observed in pheromone-induced cells (M. Bagnat and K. Simons, Proc. Natl. Acad. Sci. USA 99:14183-14188, 2002). We therefore examined whether plasma membrane lipid polarization contributes to the ability of the fungal pathogen Candida albicans to grow in a highly polarized manner to form hyphae. Interestingly, staining with filipin revealed that membrane sterols were highly polarized to the leading edge of growth during all stages of hyphal growth. Budding and pseudohyphal cells did not display polarized staining. Filipin staining was also enriched at septation sites in hyphae, where colocalization with septin proteins was observed, suggesting a role for the septins in forming a boundary domain. Actin appeared to play a role in sterol polarization and hyphal morphogenesis in that both were disrupted by low concentrations of latrunculin A that did not prevent budding. Furthermore, blocking either sphingolipid biosynthesis with myriocin or sterol biosynthesis with ketoconazole resulted in a loss of ergosterol polarization and caused abnormal hyphal morphogenesis, suggesting that lipid rafts are involved. Since hyphal growth is required for the full virulence of C. albicans, these results suggest that membrane polarization may contribute to the pathogenesis of this organism.

Indexed as

Antifungal AgentsBridged Bicyclo Compounds, HeterocyclicCandida albicansCell MembraneCell PolarityErgosterolFatty Acids, MonounsaturatedFilipinHyphaeKetoconazoleMembrane MicrodomainsSphingolipidsSterolsThiazolesThiazolidinesAntifungal AgentsBridged Bicyclo Compounds, HeterocyclicErgosterolFatty Acids, MonounsaturatedFilipinKetoconazolelatrunculin ASphingolipidsSterolsthermozymocidinThiazolesThiazolidines

Identifiers

PMID15189988
PMCPMC420133
OpenAlexW2120268399

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.