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161,979 new RNA viruses have been discovered using a machine learning tool that researchers believe will vastly improve the mapping of life on Earth and could aid in the identification of many millions more viruses yet to be characterized.
A new study shows the isolation and sequencing of more than a century-old RNA molecules from a Tasmanian tiger specimen preserved at room temperature in a museum collection. This resulted in the reconstruction of skin and skeletal muscle transcriptomes from an extinct species for the first time.
An ancient RNA-guided system could simplify delivery of gene editing therapies By Corie Lok February 27, 2025 Breadcrumb Home An ancient RNA-guided system could simplify delivery of gene editing therapies The programmable proteins are compact, modular, and can be directed to modify DNA in human cells.
Williams January 8, 2024 Credit: Susanna Hamilton, Broad Communications Researchers have developed virus-like particles that can deliver gene-editing cargo to cells, including those in the mouse brain. Researchers have used a variety of methods to deliver these molecular machines to cells, including lipid nanoparticles and viruses.
A new approach to tackling viruses by targeting the ‘control centre’ in viral RNA could lead to broad spectrum anti-viral drugs and provide a first line of defence against future pandemics, according to new research at the University of Birmingham.
Simple test for flu could improve diagnosis and surveillance By Allessandra DiCorato June 18, 2024 Breadcrumb Home Simple test for flu could improve diagnosis and surveillance A low-cost CRISPR-based paper strip test distinguishes between influenza types and can be reprogrammed to recognize different viruses including the H5N1 bird flu virus.
William Studier for development of widely used protein- and RNA-production platform By Corie Lok May 14, 2024 Breadcrumb Home Merkin Prize in Biomedical Technology awarded to F. Merkin Prize in Biomedical Technology for his development of an efficient, scalable method of producing RNA and proteins in the laboratory.
When COVID-19 emerged in 2019, by contrast, mRNA vaccines developed by Pfizer and Moderna took just 326 days from the initial sequencing of the virus to gaining approval for emergency use. The Coalition for Epidemic Preparedness Innovations (CEPI)—a nonprofit organization that funds vaccine research and development—thinks so.
Evolved prime editors are smaller and more efficient for therapeutic applications By Corie Lok August 31, 2023 Breadcrumb Home Evolved prime editors are smaller and more efficient for therapeutic applications Researchers have evolved the editing machine at the heart of the prime editing system, which can make a wide range of changes to the genome.
Messenger RNAs with multiple “tails” could lead to more effective therapeutics By Corie Lok March 22, 2024 Breadcrumb Home Messenger RNAs with multiple “tails” could lead to more effective therapeutics Scientists have engineered long lasting mRNAs that increased therapeutic protein production in cells and animals.
To treat Ebola virus infections, researchers are taking a close look at a key piece of the virus: polymerase. Polymerase is a viral protein that directs how Ebola virus replicates its genome as it infects new hosts. Drugs that target polymerase could potentially treat Ebola virus infections and save lives.
By Allessandra DiCorato May 16, 2024 Credit: Deverman lab Brain vasculature (in blue) surrounded by RNA (in orange) transcribed from the gene delivered to the brain in humanized mice using an engineered AAV targeting the human transferrin receptor.
A new, large-scale reference created by researchers at the Broad Institute of MIT and Harvard could help scientists and clinicians better understand the role of cytokines in health and disease. AC: This research could have far-reaching implications, accelerating our understanding of natural immune responses and human immune-related diseases.
cells induced by poly (I:C) were treated with or without PA, and then RNA-sequencing, GO and KEGG analysis were carried out to obtain the five differentially expressed genes (IL-1β, HMOX1, PTGS2, Abca1, and P65), which were verified by QRT-PCR and western blot. RNA-sequencing was applied to analyze the differentially expressed genes (DEGs).
By Leah Eisenstadt December 13, 2023 Two teams of Broad researchers produced detailed maps of the mouse nervous system. Related news Researchers map brain cell changes in Alzheimer’s disease Courtesy of the Chen and Macosko labs. Courtesy of the Chen and Macosko labs. Courtesy of the Chen and Macosko labs.
Basic Science A trailing ribosome speeds up RNA polymerase at the expense of transcript fidelity via force and allostery. Nucleic Acids Research. Ribozyme-mediated RNA synthesis and replication in a model Hadean microenvironment. Assembly of metabolons in yeast using Cas6-mediated RNA scaffolding. Nucleic Acids Research.
There are currently no treatments, but researchers from the Whitehead Institute for Biomedical Research and Broad Institute of MIT and Harvard have developed an approach that could one day be used to turn off the gene encoding this protein throughout the brain to treat or even prevent prion disease.
In the paper, researchers from Johns Hopkins University and elsewhere found a natural long-form transactivating CRISPR RNA (tracr-L) in Streptococcus pyogenes that functions to downregulate its endogenous CRISPR-Cas9 system. The authors found that tracr-L redirects Cas9 in S. The authors suggest natural tracr-L regulates autoimmunity.
Infectious agents’ resistance was described at the European Union Research Parliament “as a widespread, multifaceted phenomenon that affects both living things and the environment, as well as their capacity to survive in the presence of drugs intended to either kill or inactivate them.”
Among the report’s authors are 16 members of national academies, two Nobel Laureates, and several researchers who have previously been frontrunners in the quest to create mirrored life. ” 1 Now, it seems, these researchers have changed their minds. It would also be undetectable by key parts of the human immune system.
More bottles on the medicine shelf would help, but Bhattacharyya, who’s now also a research scientist, realized that science might lead to better tools for diagnosing and treating such challenging cases. TWO WHITE COATS Roby Bhattacharyya's mother, Maryka, visiting his graduate research lab at UCSF.
Researchers at the Max Planck Institute for Biophysical Chemistry in Göttingen and the Julius Maximilians University Würzburg have now elucidated the underlying molecular mechanism. The antiviral agent incorporates RNA-like building blocks into the RNA genome of the virus. ” Mutations in the genome stop the virus.
Introduction Messenger RNA (mRNA) technology has emerged as one of the most significant medical breakthroughs. This approach can be personalized for each patient by sequencing the tumor's DNA and RNA to identify unique mutations. One of the biggest hurdles is effectively delivering mRNA molecules to target cells.
This trend came to the forefront during the COVID-19 pandemic, as the three most popular vaccines developed in response to the coronavirus contained engineered genetic materials in the form of mRNA or a genetically engineered virus. Either way, occupational exposure to these gene delivery systems bears potential risks to the research staff.
I tracked the numbers of sequenced SARS-CoV-2 genomes posted at GISAID every few days during the pandemic, contributed by researchers everywhere. Cats and Bird Flu Comparing DNA sequences is a little like linguistic research that connects languages. Right now it’s just below 16 million variations of the tiny genome.
The virus SARS-CoV-2 emerged in Wuhan, home of a premiere research institute that focuses on viruses. A year before the initial outbreak, Wuhan researchers proposed nurturing a coronavirus with enhanced ability to attach onto, and enter, human cells. An altered virus could have escaped. Her points: 1.
But HIV’s ability to mutate isn’t unique among RNA viruses – most viruses develop mutations, or changes in their genetic code, over time. Changes in mutationally constrained epitopes are rare, as they can cause the virus to lose its ability to infect and replicate, essentially rendering it unable to propagate itself.
The VIR Seek SARS-CoV-2 Solution is a comprehensive workflow for the detection of SARS-CoV-2 on environmental surfaces that includes swabbing of environmental surfaces, RNA extraction, analysis by Reverse Transcription PCR (RT-PCR) and evaluation by an advanced algorithm.
The complex relationship between a virus and its host is one of the hottest topics in science right now, and has been given considerable attention in recent weeks as a result of the race to understand the virus that causes COVID-19 and its potential vulnerabilities.
The companies today reported findings on one secondary objective from the Phase 2a study, showing a reduction in time (days) to negativity of infectious virus isolation in nasopharyngeal swabs from participants with symptomatic SARS-CoV-2 infection, as determined by isolation in Vero cell line culture. About Molnupiravir.
President Joe Biden has promised to re-energize the nation’s response to COVID-19, but one of his top pandemic advisors says that effort could be hamstrung by both the virus and the failings of the previous administration. People also haven’t been provided clear messaging on the messenger RNA vaccines, Osterholm added.
How does the Artificial Intelligence (AI) system developed by the research team contribute to understanding the interactions between SARS-CoV-2 viral protein fragments and the immune system? Third, since SARS-CoV-2 replicates faster than common cold coronaviruses, there are larger numbers of virus particles to fragment.
Targeted drug treatment leads tumor cells to imitate viral infection By Ari Navetta July 11, 2024 Breadcrumb Home Targeted drug treatment leads tumor cells to imitate viral infection Exploiting "viral mimicry," mIDH1 inhibitors trick tumors into thinking they are infected with a virus.
Identifying a new or unexpected pathogen quickly, particularly when it occurs in conjunction with other, more common illnesses, is a key challenge for doctors, researchers, and public health professionals concerned with disease preparedness and biosecurity.
The COVID-19 pandemic has highlighted the urgent need for a novel, oral antiviral to treat this highly infectious and often deadly virus,” said Jean-Pierre Sommadossi, Ph.D., BOSTON, Oct. 22, 2020 (GLOBE NEWSWIRE) — Atea Pharmaceuticals, Inc. , Chief Executive Officer and Founder of Atea Pharmaceuticals.
Rice University researchers have introduced an online portal to help researchers screen COVID-19 drug candidates that might attack specific proteins of the SARS-CoV-2 virus. Understanding these structures allows researchers to find binding partners that could, ideally, deactivate the virus.
Researchers from the Laboratory of Bacteriology at The Rockefeller University have now found that bacteria sense phages by a defensive response named CBASS (cyclic oligonucleotide-based antiphage signalling system) which detects viral RNA. The novel, hairpin-shaped molecule was named cabRNA for CBASS-activating bacteriophage RNA.
The speed at which researchers developed effective vaccines to prevent the spread of COVID-19 required unprecedented international cooperation on a scale never seen before. Meanwhile, researchers are continuing to investigate possible treatments for patients suffering with the disease.
But, regardless of which was first, they all operated with the same core data as their mechanism for understanding life: messenger RNA ( mRNA ). The lab created a plan with eight research institutions across three continents. Models of life became the dominant research paradigm in nearly every life-sciences field.
Due to the nearly ubiquitous use of cloning in life science research, this lost time adds up. Researchers use DNA cloning to make numerous copies of a gene, which can then be inserted into living cells to study how that gene functions or otherwise coax the cell to make proteins. However, E.
The methods developed by Mammoth Biosciences uses Cas12a to “detect the viral RNA sequences of the envelope (E) and nucleocapsid protein (N) genes, followed by isothermal amplification of the target, causing a visual reading with a fluorophore.” Sherlock Biosciences uses Cas13 to cut reporter RNA sequences after activation by guide RNA.
After that, I spent over a decade at a large instrument and genomics company working in, and then leading, research and development. Could you share an example of a specific project or research that you have worked on and the impact it has had in your field? These are synthetic, not the live virus, so do not pose a risk of infection.
In those early days, politicians and government officials who’d never heard terms like “cytokine storm” and “RNAvirus” were suddenly charged with explaining what was happening. “Do Your Own Research” Fuels Science Illiteracy COVID reawakened the mantra DYOR: do your own research. .
Researchers led by Prof. The virus carries the information to produce a series of proteins, capable of inhibiting antiviral recognition systems of the infected cell. Actually, these systems could identify viral genetic material (here: Ribonucleic acids/RNAs) and sound the alarm. Camouflage protects virus from immune system.
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