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Scientists engineer safe, virus-resistant E coli for research

Drug Discovery World

In a step forward for genetic engineering and synthetic biology, US researchers have modified E coli bacteria to be immune to infection by all natural viruses tested so far. The team used two safeguard methods to prevent the bacteria and their modified genes from escaping into the wild.

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Regulating the ribosomal RNA production line

Scienmag

coli enzyme synthesizing ribosomal RNA that shift it between turbo- and slow-modes depending on the bacteria’s growth rate Credit: Murakami Laboratory, Penn State The enzyme that makes RNA from a DNA template is altered to slow the production of ribosomal RNA (rRNA), the […].

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Winship Cancer Institute of Emory University Joins Caris’ Precision Oncology Alliance

The Pharma Data

The company’s suite of market-leading molecular profiling offerings assesses DNA, RNA and proteins to reveal a molecular blueprint that helps physicians and cancer patients make more precise and personalized treatment decisions.

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Johns Hopkins Researchers Identify CRISPR Dimmer

The Pharma Data

A naturally occurring system for tuning CRISPR-Cas9 expressing in bacteria, identified in a study published in Cell , could have implications for gene editing therapies as well. A CRISPR-Cas9 system has two components: the Cas9 guide RNA that directs the system to edit a particular gene, and the CRISPR “scissors” that make the cut.

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Gene Switch: A Novel Platform for Switching Genes On and Off

Roots Analysis

coli bacteria, as well as lambda bacteriophage, can adapt to the alterations in the composition of their nutrient medium. It is worth noting that the transcription factor is responsible for recruiting RNA polymerase to bind to the gene and produce messenger RNA, which is then translated into the protein.

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Pfizer to Slash COVID-19 Vaccine Manufacturing Time by Almost 50 Percent

XTalks

The company is on track to fulfill the 200 million-dose order put in by the US government by May, but hopes to have more available as engineers improve systems on the go. As soon as vaccine vials began coming off the production line, engineers started analyzing how production could be made faster and better. coli bacteria.

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The microbiome in precision medicine

Drug Discovery World

Microbial NGS methods can range from ribosomal RNA analysis (16S rRNA sequencing), to parallel genomic sequencing or shotgun metagenomic sequencing, to whole genome sequencing, to metatranscriptomics. Genome editing tools such as CRISPR may be employed to create “live biotherapeutics” (drugs composed of living bacteria).