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From the College of Natural Sciences
A New Way to Disarm Antibiotic Resistance in Deadly Bacteria

A New Way to Disarm Antibiotic Resistance in Deadly Bacteria

An antibiotic resistant bacterium (Klebsiella pneumoniae) is treated solely with the last-resort antibiotic imipenem (left); and with a combination of imipenem and a DsbA inhibitor, causing it to rupture and die (right). Image credit: Nikol Kadeřábková.

Scientists think they may have uncovered a whole new approach to fighting antibiotic-resistant bacteria, which, if successful, would help address a health crisis responsible for more deaths every year than either AIDS or malaria.

Bacterial Warfare Provides New Antibiotic Target

Bacterial Warfare Provides New Antibiotic Target

Pseudomonas bacteria use a kind of harpoon to attack nearby bacteria, injecting them with a toxin that targets a critical molecular machine called the transamidosome complex. Credit: Despoina Mavridou/University of Texas at Austin.

Antibiotic resistance, where disease-causing bacteria evolve resistance to drugs that usually kill them, is a rising problem globally, meaning new antibiotics need to be found. However, it is difficult for researchers to know which parts of bacterial cells to target with new drugs.

MasSpec Pen Shows Promise in Pancreatic Cancer Surgery

MasSpec Pen Shows Promise in Pancreatic Cancer Surgery

Jialing Zhang demonstrates using the MasSpec Pen on a human tissue sample. Photo credit: Vivian Abagiu/Univ. of Texas at Austin.

A diagnostic tool called the MasSpec Pen has been tested for the first time in pancreatic cancer patients during surgery. The device is shown to accurately identify tissues and surgical margins directly in patients and differentiate healthy and cancerous tissue from banked pancreas samples.

'Last Resort' Antibiotic Pops Bacteria Like Balloons

'Last Resort' Antibiotic Pops Bacteria Like Balloons

A 70-year mystery has finally been solved and the solution could help in the fight against antibiotic resistant bacteria. A new study led by researchers at Imperial College London, and including UT Austin's Despoina Mavridou, reveals that colistin, a last resort antibiotic "punches holes in bacteria, causing them to pop like balloons." Published i...
Hepatitis C Drugs Boost Remdesivir’s Antiviral Activity Against COVID-19

Hepatitis C Drugs Boost Remdesivir’s Antiviral Activity Against COVID-19

Drugs used to treat hepatitis C render remdesivir 10 times better at inhibiting the coronavirus in cell cultures, according to new study. Illustration credit: Jenna Luecke/University of Texas at Austin.

Remdesivir is currently the only antiviral drug approved in the U.S. for treating COVID-19 patients. In a paper published this week in Cell Reports, researchers from The University of Texas at Austin, Rensselaer Polytechnic Institute (RPI) and the Icahn School of Medicine at Mount Sinai showed that four drugs used to treat hepatitis C render remdesivir 10 times better at inhibiting the coronavirus in cell cultures.

Scientists Discover How Remdesivir Works to Inhibit Coronavirus

Scientists Discover How Remdesivir Works to Inhibit Coronavirus

Remdesivir is the only antiviral drug approved for use in the U.S. against COVID-19. Photo courtesy of Gilead.

More effective antiviral treatments could be on the way after research from The University of Texas at Austin sheds new light on the COVID-19 antiviral drug remdesivir, the only treatment of its kind currently approved in the U.S. for the coronavirus.

Antibody Test Developed for COVID-19 That is Sensitive, Specific and Scalable

Antibody Test Developed for COVID-19 That is Sensitive, Specific and Scalable

An antibody test for the virus that causes COVID-19, developed by researchers at The University of Texas at Austin in collaboration with Houston Methodist and other institutions, is more accurate and can handle a much larger number of donor samples at lower overall cost than standard antibody tests currently in use. In the near term, the test can be used to accurately identify the best donors for convalescent plasma therapy and measure how well candidate vaccines and other therapies elicit an immune response.

Locking Down Shape-Shifting Spike Protein Aids Development of COVID-19 Vaccine

Locking Down Shape-Shifting Spike Protein Aids Development of COVID-19 Vaccine

An engineered protein developed by UT Austin researchers and their colleagues is a key element of COVID-19 vaccines currently in human trials by Moderna, Novavax, Pfizer-BioNTech and Johnson & Johnson.

The experimental vaccine against SARS-CoV-2 that was the first to enter human trials in the United States has been shown to elicit neutralizing antibodies and a helpful T-cell response with the aid of a carefully engineered spike protein that mimics the infection-spreading part of the virus.

COVID-19 Vaccines with UT Ties Arrived Quickly After Years in the Making

COVID-19 Vaccines with UT Ties Arrived Quickly After Years in the Making

When the first COVID-19 vaccine trial in the U.S. began on March 16, history was being made. Never before had a potential vaccine been developed and produced for human trials so quickly—just 66 days since scientists published the genome sequence of the virus that causes the disease. This blindingly fast effort was only possible because a group of scientists and their partners in industry had already invested years in laying the groundwork.

New Sensor May Soon Test for Coronavirus and Flu Simultaneously

New Sensor May Soon Test for Coronavirus and Flu Simultaneously

The novel coronavirus has been compared to the flu almost from the moment it emerged in late 2019. They share a variety of symptoms, and in many cases, an influenza test is part of the process for diagnosing COVID-19.