Samantha E. Koplik

ORCID: 0000-0003-3614-4885
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About
Contact & Profiles
Research Areas
  • CRISPR and Genetic Engineering
  • RNA and protein synthesis mechanisms
  • RNA Research and Splicing
  • Bacterial Genetics and Biotechnology
  • RNA modifications and cancer
  • Lipid metabolism and biosynthesis
  • Gene Regulatory Network Analysis
  • Ubiquitin and proteasome pathways
  • Single-cell and spatial transcriptomics

Boston University
2022

University of Washington
2022

Seattle University
2022

Abstract Background 3′-end processing by cleavage and polyadenylation is an important finely tuned regulatory process during mRNA maturation. Numerous genetic variants are known to cause or contribute human disorders disrupting the cis-regulatory code of signals. Yet, due complexity this code, variant interpretation remains challenging. Results We introduce a residual neural network model, APARENT2 , that can infer 3′-cleavage from DNA sequence more accurately than any previous model. This...

10.1186/s13059-022-02799-4 article EN cc-by Genome biology 2022-11-05

CRISPR-Cas transcriptional tools have been widely applied for programmable regulation of complex biological networks. In comparison to eukaryotic systems, bacterial CRISPR activation (CRISPRa) has stringent target site requirements effective gene activation. While genes may not always an NGG protospacer adjacent motif (PAM) at the appropriate position, PAM-flexible dCas9 variants can expand range targetable sites. Here we systematically evaluate a panel their ability activate genes. We...

10.1021/acssynbio.2c00405 article EN ACS Synthetic Biology 2022-11-15

Abstract Living cells perform sophisticated computations that guide them toward discrete states. Synthetic genetic circuits are powerful tools for programing these computations, where transcription-regulatory networks and DNA recombination the two dominant paradigms implementing systems. While each strategy exhibits unique strengths weaknesses, integrating both into one seamless design framework would enable advanced gene circuit designs intractable with either approach alone. Here, we...

10.1101/2022.06.07.495130 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2022-06-07

Abstract CRISPR-Cas transcriptional tools have been widely applied for programmable regulation of complex biological networks. In comparison to eukaryotic systems, bacterial CRISPR activation (CRISPRa) has stringent target site requirements effective gene activation. While genes may not always an NGG PAM at the appropriate position, PAM-flexible dCas9 variants can expand range targetable sites. Here we systematically evaluate a panel their ability activate genes. We observe that dxCas9-NG...

10.1101/2022.07.14.500123 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2022-07-15
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