The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Plasmodium falciparum Variant Surface Antigen Expression Patterns during Malaria
Open accessAbstract
The variant surface antigens expressed on Plasmodium falciparum-infected erythrocytes are potentially important targets of immunity to malaria and are encoded, at least in part, by a family of var genes, about 60 of which are present within every parasite genome. Here we use semi-conserved regions within short var gene sequence "tags" to make direct comparisons of var gene expression in 12 clinical parasite isolates from Kenyan children. A total of 1,746 var clones were sequenced from genomic and cDNA and assigned to one of six sequence groups using specific sequence features. The results show the following. (1) The relative numbers of genomic clones falling in each of the sequence groups was similar between parasite isolates and corresponded well with the numbers of genes found in the genome of a single, fully sequenced parasite isolate. In contrast, the relative numbers of cDNA clones falling in each group varied considerably between isolates. (2) Expression of sequences belonging to a relatively conserved group was negatively associated with the repertoire of variant surface antigen antibodies carried by the infected child at the time of disease, whereas expression of sequences belonging to another group was associated with the parasite "rosetting" phenotype, a well established virulence determinant. Our results suggest that information on the state of the host-parasite relationship in vivo can be provided by measurements of the differential expression of different var groups, and need only be defined by short stretches of sequence data.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Su, X.-Z., Heatwole, V. M., Wertheimer, S. P., Guinet, F., Herrfeldt, J. A., Peterson, D. S., Ravetch, J. A., & Wellems, T. E. (1995) · Cell · doi:10.1016/0092-8674(95)90055-1 · Cited by 1,219
Smith, J. D., Chitnis, C. E., Craig, A. G., Roberts, D. J., Hudson-Taylor, D. E., Peterson, D. S., Pinches, R., Newbold, C. I., & Miller, L. H. (1995) · Cell · doi:10.1016/0092-8674(95)90056-x · Cited by 1,005
Self-citationBull, P. C., Lowe, B. S., Kortok, M., Molyneux, C. S., Newbold, C. I., & Marsh, K. (1998) · Nature Medicine · doi:10.1038/nm0398-358 · Cited by 645
Self-citationRapid switching to multiple antigenic and adhesive phenotypes in malaria
Roberts, D. J., Craig, Berendt, A. R., Pinches, R., Nash, G., Marsh, K., & Newbold, C. I. (1992) · Nature · doi:10.1038/357689a0 · Cited by 619
Self-citationNielsen, M. A., Staalsoe, T., Kurtzhals, J. A. L., Goka, B. Q., Dodoo, D., Alifrangis, M., Theander, T. G., Akanmori, B. D., & Hviid, L. (2002) · The Journal of Immunology · doi:10.4049/jimmunol.168.7.3444 · Cited by 207
Cited by
Structure and inference in annotated networks
Newman, M. E. J., & Clauset, A. (2016) · Nature Communications · doi:10.1038/ncomms11863 · Cited by 379
Lavstsen, T., Turner, L., Saguti, F., Magistrado, P., Rask, T. S., Jespersen, J. S., Wang, C. W., Berger, S. S., Baraka, V., Marquard, A. M., et al. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1120455109 · Cited by 269
Population Genomics of the Immune Evasion (var) Genes of Plasmodium falciparum
Barry, A. E., Leliwa-Sytek, A., Tavul, L., Imrie, H., Migot-Nabias, F., Brown, S. M., McVean, G. A. V., & Day, K. P. (2007) · PLoS Pathogens · doi:10.1371/journal.ppat.0030034 · Cited by 199
Trimnell, A. R., Kraemer, S. M., Mukherjee, S., Phippard, D. J., Janes, J. H., Flamoe, E., Su, X.-Z., Awadalla, P., & Smith, J. D. (2006) · Molecular and Biochemical Parasitology · doi:10.1016/j.molbiopara.2006.03.012 · Cited by 165
Evolutionary analysis of the most polymorphic gene family in falciparum malaria
Otto, T. D., Assefa, S. A., Böhme, U., Sanders, M. J., Kwiatkowski, D. P., Pf3k consortium, Berriman, M., & Newbold, C. (2019) · Wellcome Open Research · doi:10.12688/wellcomeopenres.15590.1 · Cited by 90
Self-citation
Metadata
- Authors
- Bull, P. C., Berriman, M., Kyes, S., Quail, M. A., Hall, N., Kortok, M. M., Marsh, K., & Newbold, C. I.
- Venue
- PLoS Pathogens
- Publisher
- Public Library of Science (PLoS)
- Published
- 2005-11-18
- Volume
- 1
- Issue
- 3
- Pages
- e26
- ISSN
- 1553-7366 (ISSN-L)
- 1553-7374
- OpenAlex
- W2040754029
- Cited by
- 189
- References
- 5
- FWCI
- 11.97
- Type
- journal article
- Language
- en
- Open access
- gold
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Plasmodium falciparum Variant Surface Antigen Expression Patterns during Malaria. https://app.cochat.ai/papers/10.1371/journal.ppat.0010026
- The paper
- Bull, P. C., Berriman, M., Kyes, S., Quail, M. A., Hall, N., Kortok, M. M., Marsh, K., & Newbold, C. I. (2005). Plasmodium falciparum Variant Surface Antigen Expression Patterns during Malaria. PLoS Pathogens. https://doi.org/10.1371/journal.ppat.0010026
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.