Parasitic wasps switch off the immune systems of fruit flies by draining calcium from the flies' blood cells, a finding that offers new insight into how pathogens break through a host's defenses.
Plants & Animals
May 20, 2013
1
0
The body's immune system exists to identify and destroy foreign objects, whether they are bacteria, viruses, flecks of dirt or splinters. Unfortunately, nanoparticles designed to deliver drugs, and implanted devices like ...
Bio & Medicine
Feb 21, 2013
0
0
Ribonucleic acids (RNAs) are the ultimate cellular insiders. They perform several critical jobs, such as ferrying genetic instructions from a living organism's DNA to its protein-making machinery (a process key to cellular ...
Cell & Microbiology
Jan 22, 2024
1
218
Scientists have long known that chloroplasts help plants turn the sun's energy into food, but a new study, led by plant biologists at the University of California, Davis, shows that they are also essential for plant immunity ...
Plants & Animals
Oct 25, 2023
1
136
The ability of Mycobacterium tuberculosis (MTB), a serious respiratory infection, to form snake-like cords was first noted nearly 80 years ago. In a study published October 20 in the journal Cell, investigators report the ...
Cell & Microbiology
Oct 20, 2023
0
22
The small protein ubiquitin is particularly famous for marking proteins for degradation but it has also been shown to regulate virtually all cellular processes. In parallel to the ubiquitin system various other ubiquitin-like ...
Biochemistry
Aug 11, 2023
0
100
Particles known as extracellular vesicles play a vital role in communication between cells and in many cell functions. Released by cells into their environment, these "membrane particles" consist of a cellular membrane carrying ...
Bio & Medicine
May 24, 2023
0
97
New work led by Carnegie's Zhiyong Wang untangles a complex cellular signaling process that underpins plants' ability to balance expending energy on growth and defending themselves from pathogens. These findings, published ...
Plants & Animals
Jun 14, 2022
0
66
Mount Sinai researchers have developed a rapid blood assay that measures the magnitude and duration of someone's immunity to SARS-CoV-2, the virus that causes COVID-19. This test will allow large-scale monitoring of the population's ...
Biotechnology
Jun 13, 2022
0
198
Fever, cough, sore throat—symptoms in the spotlight in the era of COVID-19—are just some of the telltale signs of our body's immune system kicking into action against an unwanted intruder. Whether triggered by an infection, ...
Cell & Microbiology
Jun 2, 2022
1
365
