Evidence map›Paper›PMID 33368818›Full record

ArticleMolecular microbiology2021

The PfAP2-G2 transcription factor is a critical regulator of gametocyte maturation.

Suprita Singh, Joana M Santos, Lindsey M Orchard, Naomi Yamada, Riëtte van Biljon, Heather J Painter, Shaun Mahony, Manuel Llinás

Open access · greenAbstract read
In one paragraph

Article in Molecular microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
6.7field-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

37 citing papers in PubMed, 62 citations in OpenAlex.

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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

8 authors at 1 institution in 1 country.

Suprita SinghDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0002-8271-7771
Joana M SantosDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0002-5411-4439
Lindsey M OrchardDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0003-1295-3733
Naomi YamadaCenter for Eukaryotic Gene Regulation, Department of Biochemistry & Molecular Biology, The Pennsylvania State University, University Park, PA, USA.
Riëtte van BiljonDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0002-1710-0441
Heather J PainterDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0003-0264-4689
Shaun MahonyDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.
Manuel LlinásDepartment of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.ORCID 0000-0002-6173-5882
Pennsylvania State University · US

Funding

Dissecting the role of ApiAP2 proteins in transcriptional regulation during Plasmodium falciparum developmentR01AI125565 · NIAID · PENNSYLVANIA STATE UNIVERSITY, THE · PI LLINAS, MANUEL · 2016 to 2020
$1.9M
A 2D segmentation method for jointly characterizing epigenetic dynamics in multiple cell linesR01GM121613 · NIGMS · PENNSYLVANIA STATE UNIVERSITY, THE · PI MAHONY, SHAUN AENGUS · 2017 to 2019
$1.0M
NIAID NIH HHS R01 AI125565NIGMS NIH HHS R01 GM121613
6 · The paper itself

Abstract

Differentiation from asexual blood stages to mature sexual gametocytes is required for the transmission of malaria parasites. Here, we report that the ApiAP2 transcription factor, PfAP2-G2 (PF3D7_1408200) plays a critical role in the maturation of Plasmodium falciparum gametocytes. PfAP2-G2 binds to the promoters of a wide array of genes that are expressed at many stages of the parasite life cycle. Interestingly, we also find binding of PfAP2-G2 within the gene body of almost 3,000 genes, which strongly correlates with the location of H3K36me3 and several other histone modifications as well as Heterochromatin Protein 1 (HP1), suggesting that occupancy of PfAP2-G2 in gene bodies may serve as an alternative regulatory mechanism. Disruption of pfap2-g2 does not impact asexual development, but the majority of sexual parasites are unable to mature beyond stage III gametocytes. The absence of pfap2-g2 leads to overexpression of 28% of the genes bound by PfAP2-G2 and none of the PfAP2-G2 bound genes are downregulated, suggesting that it is a repressor. We also find that PfAP2-G2 interacts with chromatin remodeling proteins, a microrchidia (MORC) protein, and another ApiAP2 protein (PF3D7_1139300). Overall our data demonstrate that PfAP2-G2 establishes an essential gametocyte maturation program in association with other chromatin-related proteins.

Indexed as

GametogenesisGene Expression Regulation, DevelopmentalGerm CellsHumansLife Cycle StagesMalaria, FalciparumPlasmodium falciparumProtozoan ProteinsTranscription FactorsProtozoan ProteinsTranscription FactorsApiAP2gametocytemalariaPfAP2-G2Plasmodium falciparum

Identifiers

PMID33368818
PMCPMC8330521
OpenAlexW3115489130

What OpenQuestion holds

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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.