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.
Cell & Microbiology
Oct 29, 2014
0
0
Four billion years ago, the Earth looked very different than it does today, devoid of life and covered by a vast ocean. Over the course of millions of years, in that primordial soup, life emerged. Researchers have long theorized ...
Biochemistry
Jul 28, 2022
8
2232
Scientists at The Scripps Research Institute (TSRI) have engineered a bacterium whose genetic material includes an added pair of DNA "letters," or bases, not found in nature. The cells of this unique bacterium can replicate ...
Biochemistry
May 7, 2014
10
0
Starting with normal skin cells, scientists from The Scripps Research Institute have produced the first stem cells from endangered species. Such cells could eventually make it possible to improve reproduction and genetic ...
Cell & Microbiology
Sep 4, 2011
4
0
Scientists for the first time have found strong evidence that RNA and DNA could have arisen from the same set of precursor molecules even before life evolved on Earth about four billion years ago.
Biochemistry
Apr 1, 2019
59
906
A pair of paleobiologists from Scripps Institution of Oceanography, UC San Diego have determined that the world's most numerous and diverse vertebrates – ray-finned fishes – began their ecological dominance of the oceans ...
Evolution
Jun 30, 2015
0
149
As the opioid epidemic raged on with an even greater force during COVID-19, the Scripps Research laboratory of chemist Kim Janda, Ph.D., has been working on new therapeutic interventions that may be able to prevent the bulk ...
Biochemistry
Feb 4, 2021
1
653
As described in an article published this week in an advance, online edition of the journal Proceedings of the National Academy of Sciences (PNAS), the work demonstrates some of the classic principles of evolution. For instance, ...
Evolution
Apr 29, 2009
6
0
A new study led by scientists at The Scripps Research Institute suggests that the replication process for DNA—the genetic instructions for living organisms that is composed of four bases (C, G, A and T)—is more ...
Biochemistry
Jun 3, 2012
9
0
Roughly 4 billion years ago, Earth was developing conditions suitable for life. Origin-of-life scientists often wonder if the type of chemistry found on the early Earth was similar to what life requires today. They know that ...
Biochemistry
Feb 29, 2024
14
4497
