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
Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing ...
Cell & Microbiology
Nov 6, 2012
0
0
New research from the University of Nebraska-Lincoln has revealed how fruit fly larvae with a seemingly fatal flaw can survive and advance to adulthood.
Cell & Microbiology
Jun 13, 2019
1
36
Rice University scientists have found a way to engineer a new kind of cell differentiation in bacteria, inspired by a naturally occurring process in stem cells.
Cell & Microbiology
Aug 12, 2019
0
191
Why did life forms first begin to get larger and what advantage did this increase in size provide? UCLA biologists working with an international team of scientists examined the earliest communities of large multicellular ...
Evolution
Jan 23, 2014
0
0
Scientists have long thought that there was a direct connection between the rise in atmospheric oxygen, which started with the Great Oxygenation Event 2.5 billion years ago, and the rise of large, complex multicellular organisms.
Plants & Animals
May 17, 2021
1
30
As organisms develop, their internal organs arrange in a consistent asymmetrical pattern--heart and stomach to the left, liver and appendix to the right. But how does this happen?
Other
Jul 16, 2012
2
0
Could tumours help us explain the explosion of life of Earth? Scientists have typically explained the period of history when large animal species became much more diverse very quickly as the result of the planet's rising ...
Earth Sciences
Jan 23, 2018
0
24
Around 500 million years ago life in the oceans rapidly diversified. In the blink of an eye—at least in geological terms—life transformed from simple, soft-bodied creatures to complex multicellular organisms with shells ...
Earth Sciences
May 10, 2023
1
51
The complexity of life on Earth was derived from simplicity: From the first protocells to the growth of any organism, individual cells aggregate into basic clumps and then form more complex structures. The earliest cells ...
Biochemistry
Oct 5, 2022
0
82
