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News Archive - Kim McDonald

‘Barcoding’ Life

January 30, 2014

San Diego is one of the world’s “hotspots” for biodiversity, home to a diverse collection of creatures found nowhere else in the world. But like many ecological hotspots around the globe, most of the unique species in our region—particularly its insects, spiders and other small critters—have yet to be described and catalogued by scientists.

Biologists Discover Solution to Problem Limiting Development of Human Stem Cell Therapies

January 2, 2014

Biologists at UC San Diego have discovered an effective strategy that could prevent the human immune system from rejecting the grafts derived from human embryonic stem cells, a major problem now limiting the development of human stem cell therapies. Their discovery may also provide scientists with a better understanding of how tumors evade the human immune system when they spread throughout the body.

UC San Diego Biophysicists Examine Development of Antibiotic Resistance

December 5, 2013

A team of UC San Diego biophysicists used quantitative models of bacterial growth to discover the bizarre way by which antibiotic resistance allows bacteria to multiply in the presence of antibiotics, a growing health problem in hospitals and nursing homes across the United States.

Quantitative Approaches Provide New Perspective on Development of Antibiotic Resistance

November 28, 2013

Using quantitative models of bacterial growth, a team of UC San Diego biophysicists has discovered the bizarre way by which antibiotic resistance allows bacteria to multiply in the presence of antibiotics, a growing health problem in hospitals and nursing homes across the United States.

Six UC San Diego Professors Named 2013 AAAS Fellows

November 25, 2013

Six professors at the University of California, San Diego have been named 2013 Fellows of the American Association for the Advancement of Science, the nation’s largest general science organization.

New Dean of Biological Sciences Seeks to Improve Undergraduate Experience

October 10, 2013

Biology majors and students taking undergraduate biology courses will see some new changes to improve the undergraduate experience this year, according to William (Bill) McGinnis, who was recently named dean of the Division of Biological Sciences.

Fear of Predators Drives Honey Bees Away from Good Food Sources

October 2, 2013

Most of us think of honey bees as having a bucolic, pastoral existence—flying from flower to flower to collect the nectar they then turn into honey. But while they’re capable of defending themselves with their painful stings, honey bees live in a world filled with danger in which predators seize them from the sky and wait to ambush them on flowers. Such fear drives bees to avoid food sources closely associated with predators and, interestingly, makes colonies of bees less risk-tolerant than individual bees, according to a study published in this week’s issue of the open-access journal PLOS ONE.

Wildlife Extinction Rates Skyrocket After Forest Disturbance

September 26, 2013

Species living in rain forest fragments could be far more likely to disappear than previously assumed, according to an international team of scientists that included biologists at the University of California, San Diego.

Biologists Discover New Method for Discovering Antibiotics

September 16, 2013

Biologists at the University of California, San Diego have developed a revolutionary new method for identifying and characterizing antibiotics, an advance that could lead to the discovery of new antibiotics to treat antibiotic resistant bacteria.

Biologists Uncover Mechanisms for Cholera Toxin’s Deadly Effects

September 11, 2013

Biologists at the University of California, San Diego have identified an underlying biochemical mechanism that helps make cholera toxin so deadly, often resulting in life-threating diarrhea that causes people to lose as much as half of their body fluids in a single day.
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