Ontology highlight
ABSTRACT:
PROVIDER: PRJNA523921 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8614150_1.fastq.gz | Fastqsanger.gz | |||
| SRR8614150_2.fastq.gz | Fastqsanger.gz | |||
| SRR8614151_1.fastq.gz | Fastqsanger.gz | |||
| SRR8614151_2.fastq.gz | Fastqsanger.gz | |||
| SRR8614152_1.fastq.gz | Fastqsanger.gz |
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Project description:We focused on the iTRAQ-based quantitative proteomic characterization of rodent parasite Plasmodium berghei mutants with disrupted kinesin-8B gene compared to wild type within the gamete differentiation. Time-course analyses were performed 7 and 15 min after gametogenesis induction (Time 0).
2021-04-17 | PXD020911 | Pride
Project description:Kinesins are a superfamily of molecular motors that undertake ATP-dependent microtubule-based movement or regulate microtubule dynamics. Plasmodium species, which cause malaria and kill hundreds of thousands annually, encode ~9 kinesins in their genomes. Of these, two – kinesin-8B and kinesin-8X - are canonically classified as kinesin-8s, which in other eukaryotes typically modulate microtubule dynamics. Unexpectedly, Plasmodium kinesin-8B is required for development of the flagellated male gamete in the mosquito host, and its absence completely blocks parasite transmission. To understand the molecular basis of kinesin-8B’s essential role, we characterised the in vitro properties of the kinesin-8B motor domains from P. berghei and P. falciparum. Both motors drive plus-end directed ATP-dependent microtubule gliding, but also catalyse ATP-dependent microtubule depolymerisation. We determined the microtubule-bound structures of these motors using cryo-electron microscopy. P. berghei and P. falciparum kinesin-8B exhibit a very similar mode of microtubule interaction, in which Plasmodium-distinct sequences at the microtubule-kinesin interface influence motor function. Intriguingly, however, P. berghei kinesin-8B exhibits a non-canonical structural response to ATP analogue binding such that neck linker docking is not induced. Nevertheless, the neck linker region is absolutely required for motility and depolymerisation activities of these motors. Taken together, these data suggest that the mechanochemistry of Plasmodium kinesin-8Bs has been functionally tuned to efficiently contribute to flagella formation.
2022-12-05 | PXD037474 | Pride
Project description:Characterization of Neuropilin-1+ and Neuropilin-1- splenic CD8+ T cells from Plasmodium berghei ANKA-infected C57BL/6 mice
2022-12-31 | GSE199569 | GEO
Project description:We identified gene expression signatures predicting responsiveness to a Kinesin-5 (kinesin spindle protein, KIF11) inhibitor (Kinesin-5i) in cultured colon tumor cell lines. Genes predicting resistance to Kinesin-5i were enriched for those from chromosome 20q, a region of frequent amplification in a number of tumor types. siRNAs targeting genes in this chromosomal region identified AURKA, TPX2 and MYBL2 as genes whose disruption enhances response to Kinesin-5i. Taken together, our results show functional interaction between these genes, and suggest that overexpression of AURKA, TPX2 and MYBL2 is functionally involved in resistance to Kinesin-5i. Furthermore, our results suggest that patients whose tumors overexpress AURKA due to amplifications of 20q will be more likely to resist treatment with Kinesin-5 inhibitor, and that inactivation of AURKA may sensitize these patients to treatment. Keywords: Cell line comparison
2008-01-01 | GSE7969 | GEO
Project description:Purpose: Breast cancer is a genetically heterogenous disease with subtypes differing in prognosis and chemosensitivity. The basal-like breast cancer (BLBC) molecular subtype is associated with poorer outcomes, but is more responsive to taxane-based chemotherapy. We evaluated the role of kinesins, motor proteins interacting with microtubules, in influencing taxane resistance. Experimental Design: Kinesin (KIF) expression was studied in one local dataset comprising all taxane resistant breast cancers in relation to taxane resistance. Data in the NCI-60 cell line dataset (GSE5846) nd the MDACC dataset (GSE20194) is separately detailed. Results: In the local dataset, the kinesin KIF26B is overexpressed in taxane-resistant residual breast cancers post-chemotherapy. Conclusions: We show that kinesin overexpression correlates with taxane resistance in BLBC cell lines and tissue. Our results suggest a potential approach to overcoming taxane resistance through concurrent or sequential use of kinesin inhibitors, highlighting the ATP-binding domain as a drug development target. Kinesin (KIF) expression was studied in one local dataset comprising all taxane resistant breast cancers in relation to taxane resistance. Data in the NCI-60 cell line dataset (GSE5846) and the MDACC dataset (GSE20194) is separately detailed.
2012-12-01 | E-GEOD-22796 | biostudies-arrayexpress
Project description:Specific mRNAs are transported from the cell body to synapses where their translation can modify communication of pre-existing synapses and induce formation of new synaptic connections in response to learning. Little is known, however, about the identity of the RNAs that are actively transported and when and how these RNAs are utilized during learning. By focusing on RNAs that are associated with kinesin, a motor protein that transports gene products from the cell body to synapses, we have now applied microarrays and 454 sequencing to identify actively transported RNAs from the Aplysia central nervous system. Using a library prepared from the kinesin complex immunoprecipitated from the central nervous system (CNS), we have identified thousands of unique transcripts, of which ~600 mRNAs were annotated. Two sample comparison: kinesin IP vs. control.
2013-04-24 | E-GEOD-30440 | biostudies-arrayexpress
Project description:Human studies of Plasmodium vivax in the bone marrow are scarce. Here, we present a detailed characterization of bone marrow aspirates taken from a P. vivax patient with high parasitaemia on admission and 42 days after treatment. Analysis of miRNAs related to erythropoiesis revealed a distinct series of differentially expressed miRNAs during infection compared to at convalescence. These results suggest that parasites in the bone marrow affect erythropoiesis.
2017-02-25 | GSE78516 | GEO
Project description:Purpose: Breast cancer is a genetically heterogenous disease with subtypes differing in prognosis and chemosensitivity. The basal-like breast cancer (BLBC) molecular subtype is associated with poorer outcomes, but is more responsive to taxane-based chemotherapy. We evaluated the role of kinesins, motor proteins interacting with microtubules, in influencing taxane resistance. Experimental Design: Kinesin (KIF) expression was studied in one local dataset comprising all taxane resistant breast cancers in relation to taxane resistance. Data in the NCI-60 cell line dataset (GSE5846) nd the MDACC dataset (GSE20194) is separately detailed. Results: In the local dataset, the kinesin KIF26B is overexpressed in taxane-resistant residual breast cancers post-chemotherapy. Conclusions: We show that kinesin overexpression correlates with taxane resistance in BLBC cell lines and tissue. Our results suggest a potential approach to overcoming taxane resistance through concurrent or sequential use of kinesin inhibitors, highlighting the ATP-binding domain as a drug development target.
2012-12-01 | GSE22796 | GEO
Project description:H3K9Ac ChIP-Seq was conducted to investigate whether loss of sinhcaf increases the histone acetylation in the promoter region of kinesin family genes.Increased H3K9Ac ChIP-Seq peaks upon sinhcaf loss were detected in the kif26ab promoter region.
2022-03-15 | GSE198516 | GEO