The natural ends of chromosomes appear alarmingly like broken DNA, much as a snapped spaghetti strand is difficult to distinguish from its intact counterparts. Yet every cell in our bodies must have a way of differentiating ...
Cell & Microbiology
Feb 15, 2024
0
64
An international research team has discovered that a previously overlooked repetitive DNA element known as Long Interspersed Nuclear Element (L1) helps maintain neural progenitor cells, and thus plays an important role in ...
Cell & Microbiology
Feb 14, 2024
0
29
It might look like a comet or a shooting star, but this time-lapse video is actually a tiny plant root, not much thicker than a human hair, magnified hundreds of times as it grows under the microscope.
Cell & Microbiology
Feb 9, 2024
0
41
A technique can determine for the first time how frequently, and exactly where, a molecular event called "backtracking" occurs throughout the genetic material (genome) of any species, a new study shows.
Biotechnology
Feb 9, 2024
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286
Embryonic development, also known as embryogenesis, is a cornerstone in understanding the origins of life. But studying this marvel of intricate and layered biological processes in people faces considerable challenges. Early-stage ...
Biotechnology
Feb 7, 2024
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17
Cells in the human body are constantly dividing. With each division, the genetic information contained in the chromosomes is duplicated, and each daughter cell receives a complete copy of the genetic material. It is a sophisticated ...
Cell & Microbiology
Feb 1, 2024
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20
Just as when we humans reach for objects, the hummingbird hawk moth uses its visual sense to place its long proboscis precisely on a flower to search for nectar, according to a study by Konstanz biologists.
Plants & Animals
Jan 29, 2024
0
178
Each year, about 1 million individuals worldwide become infected with HIV, the virus that causes AIDS. To replicate and spread the infection, the virus must smuggle its genetic material into the cell nucleus and integrate ...
Cell & Microbiology
Jan 25, 2024
1
9
Infections caused by the bacterium Staphylococcus aureus have a significant impact on human health, with tens of thousands of hospital patients dying every year from infections due to the S. aureus "superbug." Stopping the ...
Cell & Microbiology
Jan 22, 2024
0
59
A Mayo Clinic research experiment will be part of a payload that launches into space from NASA's Kennedy Space Center in Cape Canaveral, Florida, on Jan. 29, subject to weather conditions and other factors. The research team ...
Space Exploration
Jan 22, 2024
0
11
