News tagged with resistance genes

Plant pathologists put the squeeze on citrus disease

(PhysOrg.com) -- With Florida's $9 billion citrus industry threatened by a deadly bacterial disease, Rick Kress '73 asked scientists at Cornell's New York State Agricultural Experiment Station in Geneva for ...

Biology / Ecology

created Jan 17, 2012 | popularity 3 / 5 (1) | comments 1

Promiscuity of resistance plasmid unprecedented

Genetic analysis of an outbreak of drug-resistant infections in one institution shows an unprecedented level of transference of resistance among strains and even species of bacteria. Researchers from the University of Virginia ...

Biology / Cell & Microbiology

created Jan 04, 2012 | popularity not rated yet | comments 0

Revealing how a potato disease takes hold

Late blight is an economically devastating disease for potato farmers worldwide, causing tens of billions of dollars worth of damage each year. Phytophthora infestans, the causal agent of late blight, has ...

Biology / Biotechnology

created Dec 22, 2011 | popularity not rated yet | comments 1

New leads on mechanisms that confer virulence to E.coli-type bacteria

A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for ...

Biology / Cell & Microbiology

created Dec 09, 2011 | popularity not rated yet | comments 0

New paper calls for strong steps to tackle antibiotic resistance

Shahriar Mobashery, a University of Notre Dame researcher, is one of the coauthors of a new paper by a group of the world's leading scientists in academia and industry that calls for strong steps to be taken to control the ...

Medicine & Health / Medications

created Dec 08, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Sewage treatment plants may contribute to antibiotic resistance problem

Water discharged into lakes and rivers from municipal sewage treatment plants may contain significant concentrations of the genes that make bacteria antibiotic-resistant. That's the conclusion of a new study ...

Space & Earth / Environment

created Dec 07, 2011 | popularity 4 / 5 (2) | comments 0

Antibiotics in swine feed encourage gene exchange

A study to be published in the online journal mBio on November 29 shows that adding antibiotics to swine feed causes microorganisms in the guts of these animals to start sharing genes that could spread antibiotic resistance.

Biology / Biotechnology

created Nov 28, 2011 | popularity 5 / 5 (1) | comments 0

Triple threat: One bacterium, three plasmids

Researchers from Australia found something completely new while conducting a genetic study of the pathogenesis of an enteric disease in birds. They report what is believed to be the first bacterial strain to carry three closely ...

Biology / Cell & Microbiology

created Nov 14, 2011 | popularity not rated yet | comments 0

Bacteria may readily swap beneficial genes

(PhysOrg.com) -- Much as people can exchange information instantaneously in the digital age, bacteria associated with humans and their livestock appear to freely and rapidly exchange genetic material related ...

Biology / Cell & Microbiology

created Oct 31, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Stem rust-resistant wheat landraces identified

U.S. Department of Agriculture (USDA) scientists have identified a number of stem rust-resistant wheat varieties and are retesting them to verify their resistance.

Biology / Biotechnology

created Oct 24, 2011 | popularity not rated yet | comments 0

Newly discovered reservoir of antibiotic resistance genes

Waters polluted by the ordure of pigs, poultry, or cattle represent a reservoir of antibiotic resistance genes, both known and potentially novel. These resistance genes can be spread among different bacterial species by bacteriophage, ...

Medicine & Health / Research

created Oct 21, 2011 | popularity 5 / 5 (1) | comments 0

CHEO scientist advances biotherapeutics as published in Cancer Cell

Oncolytic virology uses live viruses to sense the genetic difference between a tumor and normal cell. Once the virus finds a tumor cell, it replicates inside that cell, kills it and then spreads to adjacent tumor cells to ...

Medicine & Health / Cancer

created Oct 18, 2011 | popularity not rated yet | comments 0

Examining rice genes for rice blast resistance

U.S. Department of Agriculture (USDA) scientists have characterized the molecular mechanism behind some plants' ability to resist rice blast, a fungal disease that affects cereal grain crops such as rice, wheat, rye and barley ...

Biology / Biotechnology

created Oct 17, 2011 | popularity not rated yet | comments 0

Scientists first to characterize barley plant-stem rust spore 'communication'

Traditional thought has held that disease had to penetrate a plant to initiate resistance; however, two Washington State University scientists have established that a barley plant recognizes an invader and begins to marshal ...

Biology / Biotechnology

created Oct 13, 2011 | popularity not rated yet | comments 0 | with audio podcast

Rise of antibiotic-resistant gonorrhea needs urgent action

Gonorrhea is evolving into a scourge resistant to most antibiotics, and urgent action is needed to combat this public health threat, states an editorial in CMAJ (Canadian Medical Association Journal).

Medicine & Health / Diseases

created Sep 19, 2011 | popularity not rated yet | comments 0