ABSTRACT: Whole genome sequences from two mutT deletants from the Keio collection: JW00097-1 and JW00097-3. Used in Krasovec et al. 2017, Spontaneous Mutation Rate Is a Plastic Trait Associated with Population Density across Domains of Life, PLoS Biology
Project description:Investigation of differentially regulated gene in deletion of TprA2 compared to the wild-type. TprA2 is a transcriptional regulator. Its characterization is described in Kadam et al 2017 Promiscuous signaling by a regulatory system unique to the pandemic PMEN1 pneumococcal lineage. PLoS Pathog. 2017 May; 13(5): e1006339.
Project description:Cord blood stem cells were expanded and differentiated to NK cells. Samples taken at different days after induction of differentiation were analyzed and compared to undifferentiated expanded stem cells. The most highly upregulated genes were further analyzed. Results based on the analyses have been published in Lehmann et al., Stem Cells Develop 21, 2926-38 (2012), Lehmann et al., PloS One 9, e87131 (2014) and Post et al., submitted (2017).
Project description:Leishmania are protists (class: Kinetoplastida) with a single multifunctional flagellum, which forms a canonical motile 9+2 microtubule axoneme in the promastigote forms. Deletion of gene CFAP44 (LmxM.14.1430) caused a reduction in promastigote motility (Beneke et al., PLoS Pathogens, 2019; accepted). To study the changes in protein composition in CFAP44 deficient axonemes, flagellar skeletons were isolated from CFAP44 knockout mutants and the parental cell line L. mex Cas9 T7 (Beneke et al., R Soc Open Sci. 2017; 4(5):170095) using a modified version of the method by Robinson et al., (Methods Enzymol. 1991; 196:285-99). Liquid chromatography tandem mass spectrometry and a label-free quantitation method (SINQ; Trudgian et al., 2011, Proteomics 10.1002) were used to identify proteins enriched in each fraction. This PRIDE upload contains .RAW and .XML files, as well as the SINQ quantification output file “SINQ_raw_data”. XML files are named SUB9810; MSS11680. .RAW files are structured as follows: “CFAP44 mutants: Qex01_SVH_180422_TomBeneke_B29_F_001”; “Cas9 T7 parentals: Qex01_SVH_180422_TomBeneke_Cas9_F_005”.
Project description:CD47 is a transmembrane glycoprotein that is ubiquitously expressed in different organs and tissues (Barclay and Van den Berg 2014; Liu, et al. 2017). In the human immune system, CD47 interacts with some integrins, two counter-receptor signal regulator protein (SIRP) family members, and the secreted thrombospondin-1 (TSP1) (Barclay and Van den Berg 2014; Gao, et al. 2016; Kaur, et al. 2013; Oldenborg, et al. 2000). CD47 has two established roles in the immune system. The CD47-SIRPα interaction was identified as a critical innate immune checkpoint, which delivers an antiphagocytic signal to macrophages and inhibits neutrophil cytotoxicity (Martínez- Sanz, et al. 2021). Its interaction with inhibitory SIRPα is a physiological anti-phagocytic “don’t eat me” signal on circulating red blood cells that is co-opted by cancer cells (Matlung, et al. 2017). Many malignant cells overexpress CD47 (Betancur, et al. 2017; Chao, et al. 2011; Jaiswal, et al. 2009; Majeti, et al. 2009; Oronsky, et al. 2020; Petrova, et al. 2017). CD47/SIRPα-targeted therapeutics have been developed to overcome this immune checkpoint for cancer treatment (Kaur, et al. 2020; Matlung, et al. 2017). Secondly, engagement of CD47 on T cells by TSP1 regulates their differentiation and survival (Grimbert, et al. 2006; Lamy, et al. 2007) and inhibits T cell receptor signaling and antigen presentation by dendritic cells (DCs) (Kaur, et al. 2014; Li, et al. 2002; Liu, et al. 2015; Miller, et al. 2013; Soto-Pantoja, et al. 2014; Weng, et al. 2014). TSP1/CD47 signaling has similar inhibitory functions to limit NK cell activation (Kim, et al. 2008; Nath, et al. 2018; Nath, et al. 2019; Schwartz, et al. 2019) and IL1β production by macrophages (Stein, et al. 2016). CD47 is therefore a checkpoint that regulates both innate and adaptive immunity. The recent understanding of CD47 antagonism associated with increased antigen presentation by DCs (Liu, et al. 2016) and natural killer cell cytotoxicity (Nath, et al. 2019) contributes to the heightened interest in CD47 as a therapeutic target (Kaur, et al. 2020).
Project description:To study the dynamics of acid adaptation in E.coli Keio collection mutant library at pH7 and pH5.5 after 15 minutes of adaptation Keywords: Single channel hybridisation were carried out using cy5 dye.
Project description:This is a transcriptomics analysis contributing to a bigger project that tries to shed light on the role of type 2 diabetes mellitus (T2DM) as a risk factor for colon cancer (CC). Here we present a gene expression screening of 7 colon tumor xenograft samples, 2 with diabetic mice and 5 with normal blood glucose levels. For xenograft model details see: Prieto I, et al. (2017) Colon cancer modulation by a diabetic environment: A single institutional experience. PLoS One 12(3):e0172300
