Over the last 60 years, scientists have been able to observe how and when genetic information was replicated, determining the existence a "replication timing program," a process that controls when and in what order segments ...
Molecular & Computational biology
Apr 23, 2021
0
1241
A multidisciplinary study published in Nature has elucidated the structure of the machinery responsible for writing much of our "dark genome"—the 98% of our DNA that has largely unknown biological function. These results ...
Biotechnology
Dec 14, 2023
0
160
Scientists who study the origins and evolution of the plague have examined hundreds of ancient human teeth from Denmark, seeking to address longstanding questions about its arrival, persistence and spread within Scandinavia.
Archaeology
Feb 24, 2023
0
163
From sunflowers to starfish, symmetry appears everywhere in biology. This isn't just true for body plans—the molecular machines keeping our cells alive are also strikingly symmetric. But why? Does evolution have a built-in ...
Evolution
Mar 14, 2022
1
183
A living cell is built with barriers to keep things out – and researchers are constantly trying to find ways to smuggle molecules in. Professor Giovanni Maglia (Biochemistry, Molecular and Structural Biology, KU Leuven) ...
Bio & Medicine
Oct 23, 2013
0
0
New University of Otago research sheds light on guinea pig domestication and how and why the small, furry animals became distributed around the world.
Archaeology
Jun 16, 2020
0
574
More than 7,000 languages are spoken in the world. This linguistic diversity is passed on from one generation to the next, similarly to biological traits. But have language and genes evolved in parallel over the past few ...
Social Sciences
Nov 21, 2022
0
695
A new study could explain why DNA and not RNA, its older chemical cousin, is the main repository of genetic information. The DNA double helix is a more forgiving molecule that can contort itself into different shapes to absorb ...
Cell & Microbiology
Aug 1, 2016
6
1351
Before an egg becomes fertilized, sets of chromosomes must pair up to pass along genetic information. This happens within each reproductive cell, where separate chromosomes of male and female origin move toward each other ...
Cell & Microbiology
Jan 24, 2017
0
325
Researchers from McGill University have revealed the steps by which two very distinct organisms—bacteria and carpenter ants—have come to depend on one another for survival to become a single complex life form. The study, ...
Evolution
Sep 2, 2020
0
1628
