New mitochondrially-derived peptides show what they can do
Genetic switch regulates transcription and replication in human mitochondria
Scientists re-create what may be life's first spark
Scientists in a lab used a powerful laser to re-create what might have been the original spark of life on Earth.
World's first artificial enzymes created using synthetic biology
(Phys.org)—Medical Research Council (MRC) scientists have created the world's first enzymes made from artificial genetic material. Their synthetic enzymes, which are made from molecules that do not occur ...
Scientists make enzyme that could help explain origins of life
Mimicking natural evolution in a test tube, scientists at The Scripps Research Institute (TSRI) have devised an enzyme with a unique property that might have been crucial to the origin of life on Earth.
Scientists resurrect 700-year-old viruses
Human cells' protein factory has an alternate operating manual
Working with a gene that plays a critical role in HIV infection, University of Maryland researchers have discovered that some human genes have an alternate set of operating instructions written into their ...
RNA carried by new nanoparticles can silence genes in many organs, could be deployed to treat cancer
RNA interference (RNAi), a technique that can turn off specific genes inside living cells, holds great potential for treating many diseases caused by malfunctioning genes. However, it has been difficult for ...
Vast gene-expression map yields neurological and environmental stress insights
(Phys.org) —A consortium led by scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has conducted the largest survey yet of how information encoded in an ...
Stress triggers key molecule to halt transcription of cell's genetic code
If DNA is the cookbook of life, then RNA is the scratch paper where the cell writes down its favorite recipes. These recipes could make the pigments of your skin, the vehicles that carry oxygen through your ...
Herpes virus hijackers
The virus responsible for the common cold sore hijacks the machinery within our cells, causing them to break down and help shield the virus from our immune system, researchers from the University of Cambridge ...
When extra X chromosome won't stay silent, rogue RNA may be to blame
Each baby girl starts out with two X chromosomes, but to be healthy she only needs the genes from one. The extra X chromosome gets trussed up and shut down in the earliest stages of development.
Ether compounds could work like DNA on oily worlds
In the search for life beyond Earth, scientists have justifiably focused on water because all biology as we know it requires this fluid. A wild card, however, is whether alternative liquids can also suffice ...
Study describes revolutionary method of making RNAs
A biochemist from The University of Texas Health Science Center at San Antonio is a co-author on a paper in Nature that describes a new, more efficient method of making ribonucleic acids (RNAs).