Much of life on planet Earth today relies on oxygen to exist, but before oxygen was present on our blue planet, lifeforms likely used arsenic instead. These findings are detailed in research published today in Communications ...
Earth Sciences
Sep 22, 2020
2
151
Early life forms on Earth may have been able to generate metabolic energy from sunlight using a purple-pigmented molecule called retinal that possibly predates the evolution of chlorophyll and photosynthesis. If retinal has ...
Earth Sciences
Oct 16, 2018
0
300
A new method enables non-invasive monitoring of oxygen metabolism in cells that are 3-D bioprinted into complex living structures. This could contribute to studies of cell growth and interactions under tissue-like conditions, ...
Biochemistry
Oct 2, 2018
0
34
In the course of global climate change, scientists are observing the increase of low-oxygen areas in the ocean, also termed oxygen minimum zones (OMZs). Large-scale OMZs exist, for example, in the Pacific off the coast of ...
Cell & Microbiology
Aug 3, 2018
0
66
In human cells, vitamins often serve as the precursors of cofactors—non-proteins that are an essential part of enzymes. Among them are the flavins, derived from vitamin B2.
Biochemistry
Apr 25, 2018
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9
Researchers from the Genomic Instability and Cancer Laboratory at Institute for Research in Biomedicine (IRB Barcelona) have identified a key role for EXD2 in protein production in the mitochondria, the cellular organelles ...
Cell & Microbiology
Jan 16, 2018
0
29
We might not think of our circadian clock until we are jetlagged, but scientists continue to puzzle over what drives our biological timepiece. Now, a study published October 20 in Cell Metabolism has found that variations ...
Cell & Microbiology
Oct 20, 2016
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73
In a discovery that holds promise for future drug development, scientists have detected for the first time how nature performs an impressive trick to produce key chemicals similar to those in drugs that fight malaria, bacterial ...
Materials Science
Nov 2, 2015
0
53
Dr. Jun Zou, an associate professor in the Department of Electrical and Computer Engineering at Texas A&M University, and several co-authors recently had their paper published in the prestigious research publication Nature ...
Optics & Photonics
Apr 10, 2015
0
54
Researchers studying cancer and other invasive diseases rely on high-resolution imaging to see tumors and other activity deep within the body's tissues. Using a new high-speed, high-resolution imaging method, Lihong Wang, ...
Optics & Photonics
Mar 30, 2015
1
54
