Virus infection and over expression of protein in cytosol induce a subset of HSP70s. We named this response the Cytosolic Protein Response (CPR) and have been investigating it in the context of a parallel mechanism in the soluble cytosol with the UPR, and as a subcomponent of the larger HS response. This experiment was carried out to study the transcriptional aspect of CPR. In this analysis, we have triggered CPR by infiltrating proline analogue, L-azetidine-2-carboxylic acid (AZC) into Arabidopsis mature leaves. Since AZC trigger unfolded protein response(UPR) in ER as well as CPR, we have included tunicamycin treatment, which is a specific inducer of UPR to subtract the effect of UPR from the AZC response. Heat shocked samples were included to identify CPR as a subcomponent of larger HS response.
The cytosolic protein response as a subcomponent of the wider heat shock response in Arabidopsis.
No sample metadata fields
View SamplesEarly establishment of the apical-basal axis is prerequesite for correct embryonic development in Arabidopsis. The hypophysis is derived from the basal cell of the early embryo and is indispensible for root development; it gives rise to the root quiescent center and the central columella. Arabidopsis pvip1 pvip2 mutants show defects in embryonic root development and give rise to rootless seedlings.
Arabidopsis plant homeodomain finger proteins operate downstream of auxin accumulation in specifying the vasculature and primary root meristem.
No sample metadata fields
View SamplesTranscriptional changes were monitored in the barley cultivar Golden Promise 24 hours post inoculation (hpi) with the bacteria Pseudomonas syringae pv. tomato DC3000 avrRpm1 (PstavrRpm1) using the Affymetrix Barley genome array GeneChip. Seedlings of Golden Promise were grown to growth stage 12-13 (Zadoks et al., 1974) before inoculating with either PstavrRpm1 or water (for the mock inoculation control) by infiltration. Plants were grown under a 18 C / 16 h light period; 12 C / 8 h dark period, with artificial lighting (100 mol m-2 s-1) and a relative humidity of 75 85 %. Leaf samples from three seedlings were collected 24 hpi for RNA extraction and transcriptomics analysis from the area infiltrated (local) and from the area next to the infiltrated region (adjacent) from three biological replicates. Leaf tissue was ground under liquid nitrogen and total RNA extracted using the RNeasy miniprep kit (Qiagen), following the manufacturers instructions. RNA was DNase treated using Turbo DNase (Ambion) according to the manufacturer instructions. RNA integrity was confirmed using the Agilent 2100 Bioanalyzer (Agilent). The two cycle-target labeling method was used following the Affymetrix protocol. Affymetrix GeneChip processing, including RNA quality control, microarray hybridisation and data acquisition was performed through contract research services by Cogenics (North Carolina, U.S.A.). A total of twelve hybridisations were performed. ****[PLEXdb(http://www.plexdb.org) has submitted this series at GEO on behalf of the original contributor, Ellen Colebrook. The equivalent experiment is BB92 at PLEXdb.]
Broad-spectrum acquired resistance in barley induced by the Pseudomonas pathosystem shares transcriptional components with Arabidopsis systemic acquired resistance.
Specimen part
View SamplesA major role of NINJA is to repress root jasmonate signalling and allow normal cell elongation.
Multilayered Organization of Jasmonate Signalling in the Regulation of Root Growth.
Specimen part
View SamplesWe have identified desmoglein 2 (DSG2) as the primary high-affinity receptor used by adenovirus (Ad) serotypes Ad3, Ad7, and Ad14. These serotypes represent important human pathogens causing respiratory tract infections. In epithelial cells, adenovirus binding to DSG2 triggers events reminiscent of epithelial-to-mesenchymal transition, leading to transient opening of intercellular junctions. This improves access to receptors, e.g. CD46 and Her2/neu, that are trapped in intercellular junctions. In addition to complete virions, dodecahedral particles (PtDd) formed by viral penton and fiber in excess during viral replication, can trigger DSG2-mediated opening of intercellular junctions as shown by studies with recombinant Ad3 PtDd. Our findings shed light on adenovirus biology and pathogenesis and have implications for cancer therapy.
Desmoglein 2 is a receptor for adenovirus serotypes 3, 7, 11 and 14.
Specimen part
View SamplesHeterozygous and homozygous Pax2 E11.5 embryos were collected and the intermediate mesoderm was dissected and dispersed into single cells.
Evidence for intermediate mesoderm and kidney progenitor cell specification by Pax2 and PTIP dependent mechanisms.
Specimen part
View SamplesEpstein-Barr virus (EBV) is a ubiquitous gammaherpes virus that establishes a life-long latency in over 90% of the world's population. Epstein Barr Nuclear Antigen 1, EBNA1, is the only viral protein consistently detected in all viral latency programs, as well as in all forms of EBV-associated malignancies. EBNA1 plays critical roles in the viral life cycle by fostering the replication and maintenance of the extrachromosomal viral genome as well as enhancing transcription from multiple viral promoters.
Identifying sites bound by Epstein-Barr virus nuclear antigen 1 (EBNA1) in the human genome: defining a position-weighted matrix to predict sites bound by EBNA1 in viral genomes.
No sample metadata fields
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Loss of the polycomb mark from bivalent promoters leads to activation of cancer-promoting genes in colorectal tumors.
Specimen part, Disease, Subject
View SamplesLiver RNA was collected from three genotypes: WT controls, KCP knockout (KCP-KO) mutants, and KCP-Transgenic (KCP-Tg) overexpressing mice.
The kielin/chordin-like protein KCP attenuates nonalcoholic fatty liver disease in mice.
Specimen part
View SamplesGlomerular RNA comparison between wild-type and podocyte specific deletion of the PTIP gene in 1 month old kidneys. The PTIP gene was deleted using a floxed allele and a Podocin-Cre driver strain.
Altering a histone H3K4 methylation pathway in glomerular podocytes promotes a chronic disease phenotype.
Specimen part
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