Although much of the human genome has been sequenced and assembled, scientists have hit roadblocks trying to map unassembled regions of DNA that consist mostly of repetitive sequences, including the centromere.
Molecular & Computational biology
May 14, 2019
1
73
The complex inner workings of cells, from their architecture to their signaling, underlie much of multicellular organic life. How are they built? How do their proteins interact? And most crucially, how can understanding these ...
Biochemistry
Apr 26, 2019
0
7
Plant regeneration can occur via formation of a mass of pluripotent cells. The process of acquisition of pluripotency involves silencing of genes to remove original tissue memory and priming for activation by external input. ...
Plants & Animals
Apr 17, 2019
1
7
An international team based in Ghent, Belgium (VIB-UGent Center for Plant Systems Biology) and Basel, Switzerland (University of Basel), found a link between a class of enzymes and immune signals that is rapidly triggered ...
Plants & Animals
Mar 21, 2019
0
8
Between 256 million and 335 million years ago, the landmasses of the Southern Hemisphere were squished together in a super continent called Gondwana. Gripped in the cold throes of an ice age, glaciers moved slowly across ...
Earth Sciences
Feb 28, 2019
0
7
Researchers in Japan think they have found an answer to the fundamental biological question of how individual cells know which way to position themselves within a complex, multicellular body. Depending on a cell's purpose ...
Plants & Animals
Feb 21, 2019
0
28
To a great extent, living organisms control the flows of matter and energy through the planet, and the study of their interactions is the goal of ecology. While the roles or functions of multicellular organisms, such as trees ...
Ecology
Feb 11, 2019
0
8
An international multi-disciplinary team coordinated by Abderrazak El Albani at the Institut de chimie des milieux et matériaux de Poitiers (CNRS/Université de Poitiers) has uncovered the oldest fossilised traces of motility. ...
Earth Sciences
Feb 11, 2019
5
475
New clues emerging from fossils found in the oldest soils on Earth suggest that multicellular, land-dwelling organisms possibly emerged much earlier than thought.
Archaeology
Jan 8, 2019
0
73
Microorganisms living underneath the surface of the earth have a total carbon mass of 15 to 23 billion tons, hundreds of times more than that of humans, according to findings announced by the Deep Carbon Observatory and coauthored ...
Earth Sciences
Dec 10, 2018
0
24
