DNA may have appeared on Earth earlier than has hitherto been assumed. LMU chemists led by Oliver Trapp show that a simple reaction pathway could have given rise to DNA subunits on the early Earth.
Biochemistry
Jun 18, 2019
0
8
Analysis of the first fully-sequenced genome of the Siberian hamster shows how these small, seasonal breeders adapt their bodies and energy usage to survive the winter.
Biotechnology
Jun 10, 2019
0
96
Researchers have discovered that honey bees are able to share immunity with other bees and to their offspring in a hive by transmitting RNA 'vaccines' through royal jelly and worker jelly. The jelly is the bee equivalent ...
Ecology
May 2, 2019
1
1193
Scientists from ITMO in collaboration with international colleagues have proposed new DNA-based nanomachines that can be used for gene therapy for cancer. This new invention can greatly contribute to more effective and selective ...
Bio & Medicine
Feb 8, 2019
0
369
Just like the mythical creation stories that depict the formation of the world as the story of order from chaos, the early Earth was home to a chaotic clutter of organic molecules from which, somehow, more complex biological ...
Astrobiology
Feb 6, 2019
2
299
Membraneless assemblies of positively- and negatively-charged molecules can bring together RNA molecules in dense liquid droplets, allowing the RNAs to participate in fundamental chemical reactions. These assemblies, called ...
Biochemistry
Jan 31, 2019
0
71
Much like our fight-or-flight response, our cells also have a stress autopilot mode. An oxygen dropoff, overheating, or an invading toxin can trigger the cellular stress response – a cascade of molecular changes that are ...
Cell & Microbiology
Jan 24, 2019
0
77
Messenger RNA, which can induce cells to produce therapeutic proteins, holds great promise for treating a variety of diseases. The biggest obstacle to this approach so far has been finding safe and efficient ways to deliver ...
Materials Science
Jan 4, 2019
2
775
Some people appear to be considerably younger or older than their chronological age. Genetic signatures that may help explain this have been discovered by scientists at the Salk Institute.
Biotechnology
Dec 27, 2018
0
77
In cell biology, men and women are unequal: men have an X chromosome, while women have two. How can we get around this difference? Geneticists from the University of Geneva (UNIGE), Switzerland, turned to some historic research ...
Cell & Microbiology
Dec 19, 2018
0
4
