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Transgenic Plasmodium falciparum blood stage parasites F12/GDV1-GFP-DD: control (-Shield-1;F12/GDV1-GFP-DDOFF) vs GDV1-overexpressing (+Shield-1;F12/GDV1-GFP-DDON) parasites

ABSTRACT: Transgenic Plasmodium falciparum blood stage parasites F12/GDV1-GFP-DD: control (-Shield-1;F12/GDV1-GFP-DDOFF) vs GDV1-overexpressing (+Shield-1;F12/GDV1-GFP-DDON) parasites

OTHER RELATED OMICS DATASETS IN: GSE95549GSE95548

PROVIDER: PRJNA377429 | ENA |

REPOSITORIES: ENA

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Transgenic Plasmodium falciparum blood stage parasites F12/GDV1-GFP-DD: control (-Shield-1;F12/GDV1-GFP-DDOFF) vs GDV1-overexpressing (+Shield-1;F12/GDV1-GFP-DDON) parasites

Project description:Transcriptional profiling of transgenic P. falciparum blood stage parasites expressing an ectopic copy of GDV1-GFP-DD (F12/GDV1-GFP-DD). The DD (FKBP destabilisation domain) allows for the conditional expression of fusion proteins: DD fusion proteins are rapidly degraded or stably expressed in absence or presence of the stabilising ligand Shield-1, respectively (Banaszynski LA, Chen LC, Maynard-Smith LA, Ooi AG, Wandless TJ. A rapid, reversible, and tunable method to regulate protein function in living cells using synthetic small molecules.Cell. 2006 Sep 8;126(5):995-1004). The goal of this experiment was to identify genes differentially expressed in response to induced GDV1 overexpression.

2017-03-02 | GSE95548 | GEO

Transgenic Plasmodium falciparum blood stage parasites 3D7/GDV1-GFP-DD: control (-Shield-1;3D7/GDV1-GFP-DDOFF) vs GDV1-overexpressing (+Shield-1;3D7/GDV1-GFP-DDON) parasites

Project description:Transcriptional profiling of transgenic P. falciparum blood stage parasites expressing an ectopic copy of GDV1-GFP-DD (3D7/GDV1-GFP-DD). The DD (FKBP destabilisation domain) allows for the conditional expression of fusion proteins: DD fusion proteins are rapidly degraded or stably expressed in absence or presence of the stabilising ligand Shield-1, respectively (Banaszynski LA, Chen LC, Maynard-Smith LA, Ooi AG, Wandless TJ. A rapid, reversible, and tunable method to regulate protein function in living cells using synthetic small molecules.Cell. 2006 Sep 8;126(5):995-1004). The goal of this experiment was to identify genes differentially expressed in response to induced GDV1 overexpression.

2017-03-02 | GSE95547 | GEO

Transgenic Plasmodium falciparum parasites line 3D7/DDGFP-PfAP2-HC: transcriptional differences between 3D7/DDGFP-PfAP2-HC control parasites (cultured in presence of Shield-1; ON) vs PfAP2-HC-depleted parasites (cultured in absence of Shield-1; OFF)

Project description:Transcriptional profiling of transgenic P. falciparum asexual blood stage parasites of the transgenic strain 3D7/DDGFP-PfAP2-HC at five time points during intra-erythrocytic parasite development. The DD (FKBP destabilisation domain) allows for the conditional expression of fusion proteins: DD fusion proteins are rapidly degraded or stably expressed in absence or presence of the stabilising ligand Shield-1, respectively (Banaszynski LA, Chen LC, Maynard-Smith LA, Ooi AG, Wandless TJ. A rapid, reversible, and tunable method to regulate protein function in living cells using synthetic small molecules.Cell. 2006 Sep 8;126(5):995-1004). The goal of this experiment was to identify genes differentially expressed in DDGFP-PfAP2-HC-expressing compared to DDGFP-PfAP2-HC-depleted parasites during the intra-erythtrocytic cell cycle.

2020-10-06 | GSE159061 | GEO

Plasmodium falciparum blood stage parasites: control vs PfTRF-depleted parasites

Project description:Transcriptional profiling of transgenic Plasmodium falciparum blood stage parasites expressing the telomere repeat-binding factor PfTRF as a C-terminal GFP-DD fusion (3D7/TRFGFP-ON). The DD (FKBP destabilisation domain) allows for the conditional depletion of fusion proteins in absence of the stabilising ligand Shield-1 (Banaszynski LA, Chen LC, Maynard-Smith LA, Ooi AG, Wandless TJ. A rapid, reversible, and tunable method to regulate protein function in living cells using synthetic small molecules.Cell. 2006 Sep 8;126(5):995-1004). The goal of this experiment was to identify genes differentially expressed in response to PfTRF depletion.

2016-07-14 | GSE84342 | GEO

RNA-sequencing of parasites overexpressing conditionally stabilized BFD1 to identify genes regulated by BFD1

Project description:WT (ME49∆KU80), ∆BFD1, or ∆BFD1/DD-BFD1-Ty parasites were treated with the stabilizing ligand Shield-1 (all three) or vehicle alone (WT and ∆BFD1/DD-BFD1-Ty) to identify genes differentially regulated by overexpression of BFD1.

2020-01-16 | GSE139537 | GEO

Heterochromatin protein 1 secures survival and transmission of malaria parasites

Project description:The malaria parasite Plasmodium falciparum relies on clonally variant gene expression in order to escape immune recognition and secure continuous proliferation during blood stage infection. Here, we studied the role of heterochromatin protein 1 (HP1), an evolutionary conserved regulator of heritable gene silencing, in the biology of P. falciparum blood stage parasites. We demonstrate that conditional PfHP1 depletion de-represses hundreds of heterochromatic virulence genes and disrupts the elusive mechanism underlying mutually exclusive expression and antigenic variation of PfEMP1. Intriguingly, we also discovered that the PfHP1-dependent regulation of an ApiAP2 transcription factor controls the switch from asexual parasite proliferation to sexual differentiation. This uncovers the first mechanistic insight into the unknown pathway triggering gametocyte conversion and establishes a new concept of HP1-dependent cell fate decision in unicellular eukaryotes. P. falciparum 3D7 parasites expressing endogenous PfHP1-GFP-DD were grown in presence of 4nM WR/625nM Shield-1 (3D7/HP1ON) or 4nM WR (3D7/HP1OFF). RNA extracted from these samples at eleven consecutive time points each was processed for microarray analysis.

2014-07-09 | E-GEOD-53176 | biostudies-arrayexpress

Plasmodium falciparum 3D7

Project description:Transgenic Plasmodium falciparum blood stage parasites 3D7/GDV1-GFP-DD: control (-Shield-1;3D7/GDV1-GFP-DDOFF) vs GDV1-overexpressing (+Shield-1;3D7/GDV1-GFP-DDON) parasites

| PRJNA377430 | ENA

Analysis of the role for TgAP2IV-3 in regulating gene expression in Toxoplasma development

Project description:Analysis of TgAP2IV-3 overexpression (pH7.0, pH7.8) and knockout parasites(ph8.2) in the developmental CTG (Type III) genetic background, in vitro, 32-48hrs The role for TgAP2IV-3 was evaluated in the overexpression system of ddFKBP(DD) fusion protein with a-tubulin promotor controlled by Shield 1 (100nM)

2016-11-03 | GSE89469 | GEO

Project description:Transgenic Plasmodium falciparum parasites line 3D7/DDGFP-PfAP2-HC: transcriptional differences between 3D7/DDGFP-PfAP2-HC control parasites (cultured in presence of Shield-1; ON) vs PfAP2-HC-depleted parasites (cultured in absence of Shield-1; OFF)

| PRJNA667497 | ENA

Single cell RNA sequencing of NK cells from MHC class I knockout (Dd-/-), and H-2Dd transgenic (Dd+/- or Dd+/+) mice

Project description:To identify possible transcriptional changes induced by NK cell education in this reductionistic model, we performed single cell RNA sequencing (scRNA-seq) on single positive Ly49A (NKG2A-Ly49G2-Ly49I-Ly49C-, denoted as sp-Ly49A, NK cells from Dd-/-, Dd+/- and Dd+/+ mice. To ensure minimum batch-effects, sorted sp-Ly49A cells from Dd-/-, Dd+/-, and Dd+/+ mice were hash-tagged with oligo-labelled CD45 antibodies, pooled and sequenced together.

2023-04-04 | E-MTAB-11481 | biostudies-arrayexpress

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