Scientists find universal rules for food-web stability
... relatively long periods of time.
systems such as food webs present major ... from the Max Planck Institute for the Physics of complex
Systems (MPIPKS) in Dresden, Germany, have ... analyze the impact of innumerable parameters on complex
"By using a method called generalized ...
Researchers develop 'brain-reading' methods
... this latest research shows that the brain is more complex
than that simple model. In their analysis of ... says Hanson. "It turns out the brain is much more complex
and flexible than that. It has the ability to ... from reading, to memorizing a list, to making complex
decisions about whether to take monetary risks, ...
Scientists discover gene mutation responsible for hereditary neuroendocrine tumor
... hSDH5, is required for activation of an enzyme complex
that plays a critical role in the chemical ... succinate dehydrogenase (SDH) complex, an enzyme complex
involved in the ability of cells to extract ... in yeast, the Sdh5 protein is needed for the SDH complex
to function normally. They also found that Sdh5 ...
A global model for the origin of species independent of geographical isolation
... with a team of researchers from The New England complex
Systems Institute, have collaborated and found a ... also the fourth in a series from The New England complex
Systems Institute on the role of complexity in ... Yaneer Bar-Yam, president of The New England complex
Systems Institute and a senior author of the ...
Reviews of microbial gene language published in special issue of Trends in Microbiology
... been scratched in the attempt to unravel the complex
relationships between human health and the ... at how Gene Ontology can be used to dissect the complex
interactions involved when pathogens invade their ... across kingdoms, from molecules all the way up to complex
... Their results provide valuable insight into how complex
periodic patterns in biological systems can be ... Turing.
"It is not widely appreciated that complex
periodic patterns can spontaneously emerge from ... organelles and protein transport systems, whose complex
organization is readily apparent. However, there ...
Study finds DNA barcoding requires caution without closer examination
... distinguish among closely related species or complex
groups. Moreover, in plants, there is still much ... the utility of barcoding in a well-studied but complex
plant group, wild and cultivated potatoes ( ... well-supported species. Section Petota is a complex
group because, among other things, there is much ...
Researchers observe single protein dimers wavering between two symmetrically opposed structures
... view provides a neat example of the dynamic and complex
nature of proteins, contrasting with a single ... fluorescence methods to show that both simple and complex
proteins can swiftly change their structures. In ... is an advance over typical ways of measuring complex
and dynamic protein structures, which often end ...
Caribbean coral reefs flattened
... that the vast majority of reefs have lost their complex
structure and become significantly flatter and more uniform. The most complex
reefs have been virtually wiped out.
The ... Sciences, said: "For many organisms, the complex
structure of reefs provides refuge from ....
Enigmatic sea urchin structure catalogued
... A comprehensive investigation into the axial complex
of sea urchins ( Echinoidea ), an internal ... imaging) to compare the structure of the axial complex
of specimens from almost all sea urchin orders. ... a multilingual compilation for echinoid axial complex
components. According to the researchers, "This ...
American Chemical Society's Weekly PressPac -- May 13, 2009
... tend to be too slow, insensitive, and too complex
for large-scale food screening applications. ... using a large network of computers to tackle one complex
task, may make this mountain of data easier to ... analyze their data. They can now undertake more complex
analyses or try different approaches that were ...
How an enzyme tells stem cells which way to divide
... crucial to switch a stem cell's fate, is not as complex
as biologists thought, according to University of ... the journal Current Biology .
Instead of a complex
cascade of protein deactivation steps that many ... in Current Biology is devoted to why the more complex
scenarios are not accurate. "There have been a ...
UMMS researchers isolate first 'neuroprotective' gene in patients with amyotrophic lateral sclerosis
... gene variant decreases levels of a motor protein complex
in nerves," said Landers. "This complex
transports substances through different parts of ... of the study and Professor of Neurology and complex
disease genetics at King's College, London added, ...
ESA's Earth observation missions: Sharing teams and facilities boosts efficiency
... simulations for the then-pending GOCE launch.
testing campaign creates 'huge challenge'
testing campaign involved new procedures and ... have allowed us to achieve the objectives of this complex
multi-mission test campaign. Pooling our ...
First neuroimaging study examining motor execution in children with autism reveals new insights
... are greatly impaired, as they involve even more complex
coordination between more distant areas of the ... implications for all learned behavior, including complex
communication and social skills. Researchers at ... skills," said Dr. Mostofsky. "Whether they are complex
social skills or simple motor skills, they all ...
SUMO protein guides chromatin remodeler to suppress genes
... Ubiquitin-related Modifier) guides an enzyme complex
that alters the structure of chromatin to ... The interaction between SUMO and the enzyme complex
is of interest in the study of cancer and ... found that SUMO interacts with an enzyme complex
(LSD1/CoREST/HDAC) that alters chromatin ...
Joining forces to improve lung cancer treatment
... European expert says.
"Lung cancer is a complex
disease. It is one of the most complex
cancers, and the more we learn about the biology ... of their tumour.
"More sophisticated and complex
treatments require more cooperation," Prof Pirker ...
Details of bacterial 'injection' system revealed
... composition and structure of a needlelike protein complex
on the surface of certain bacteria may help ... The scientists were studying a needlelike protein complex
known as a "type III secretion system," or T3SS, ... a cause of dysentery. The secretion system is a complex
protein structure that traverses the bacterial ...
The genetic X-factor
... "This is the largest sequencing study of complex
disease ever reported."
In part because of ... causing sequence variants implicated in other complex
Some characteristics in ... is to implement this improved knowledge of the complex
of genes that lead to learning disabilities in ...
Weizmann Institute scientists develop a unique approach for splitting water into hydrogen and oxygen
... mediated by a unique ingredient a special metal complex
that Milstein's team designed in previous studies. Moreover, the one that they designed a metal complex
of the element ruthenium is a 'smart' complex
in which the metal center and the organic part ...
First tri-continuous mesoporous Silica complex structure developed in Singapore
... interwoven channels. It is by far the most complex
mesoporous nanostructure to have been synthesized ... unique pore structures and pore sizes. The most complex
of these were the bi-continuous structures, which ... opens the possibility of creating even more complex
Orientation of antenna protein in photosynthetic bacteria described
... out the orientation of a protein in the antenna complex
to its neighboring membrane in a photosynthetic ... the large peripheral chlorosome antenna complex
with the organism's reaction center.
These ... sandwiched in between a larger antenna and a complex
called the reaction center, where all the ...
NIST-Cornell team builds world's first nanofluidic device with complex 3-D surfaces
... nanoscale fluidic (nanofluidic) device with complex
As described in a ... manufacturing; the separation and measuring of complex
nanoparticle mixtures for drug delivery, gene ... process to fabricate nanofluidic devices with complex
3-D surfaces. As a demonstration of their method, ...
A splice of life
... first time shed light on a crucial step in the complex
process by which human genetic information is ... that they were able to crystallize a very large complex
of a macromolecular "machine" in the human cell ... a three-dimensional structure of an integral complex
of the human spliceosome, which consists of ...
DOE awards UGA $3.1 million to support complex carbohydrate study nationwide
... of Energy has awarded the University of Georgia complex
Carbohydrate Research Center a four-year, $3.1 ... a national resource for researchers who study the complex
carbohydrates of plants and of microbes that ... grant for the DOE Center for Plant and Microbial complex
Carbohydrates, the only center of its kind in the ...
Female birds 'jam' their mates' flirtatious songs
... displays, many of them remarkable feats of complex
coordination, the researchers said. One example ... cooperation breaks down, leading to more complex
songs. Specifically, they report that females ... rhythmic, precisely coordinated, and increasingly complex
songs simply by avoiding overlap.
A new way to assemble cells into 3-D microtissues
... equal, every cell finds a single partner and no complex
assemblies form. But if there are, say, 50 times ... of the 20-base strand of synthetic DNA. The more complex
the sequences they display, the longer it takes ... to guide cell-cell interactions."
microtissues one step at a time
'Freaks' help scientist unravel nature and nurture
... in development, but that they're only part of a complex
developmental process comprising both genetic and ... developmental systems, Blumberg wrote, "are so complex
that genes alone are often invoked to simplify ... "In the end it is the system that matters, and complex
systems cannot be neatly divided into nature and ...
MacArthur Foundation awards planning grant to improve decision-making in energy policy
... public health and international security (each a complex
system in its own right), which depend on yet ... "This has resulted in oversimplifications of complex
economic interactions. They can solve the models, ... tool available. The tool will allow for more complex
and realistic modeling of economic and social ...
Life secret exposed: Scientists unlock mystery of molecular machine
... of all life on Earth.
"While the ribosome is a complex
structure it features a clear hierarchy that ... could imagine unseen forces at work when such complex
structures emerge in nature."
What is a ... Prof. Steinberg pondered how such an immense and complex
structure could have assembled itself from ...
The Burnham Buzz, February 2009
... optimal drug combinations for the treatment of complex
diseases such as cancer. In the study, a small ... Wei Jiang, Ph.D., showed that the protein kinase complex
known as Ddk is responsible for initiation of DNA ... look at the molecular structure of the protein complex
that controls apoptosis (programmed cell death). ...
Cell-building discovery could reduce need for some animal research
... now grow and assemble living microtissues into complex
three-dimensional structures in a way that will ... the group, in order to build microtissues of more complex
Such a finding, detailed in the March ... natural tissue, they can be constructed to have complex
lace-like patterns similar to a vasculature, the ...
In India: A search for more effective tuberculosis drugs
... organisms, M. tuberculosis displays a suite of complex
lipids on its outer membrane. Some scientists ... by confusing the host's immune system.
lipids displayed by Mycobacterium tuberculosis ... Mycobacterium tuberculosis employs to build complex
lipids. He has come to regard the TB bacteria as ...
New insight into how bees see
... is actually very good at learning to master complex
tasks. Computer and imaging technology programmers who are working on solving complex
visual recognition tasks using minimal hardware ... has evolved so that they're able to process complex
visual recognition tasks.
The researchers ...
Studies examine genetic determinants of ADHD
... The issue covers major trends in the field of complex
psychiatric genetics, underscoring how genetic ... to uncover its genetic origins.
ADHD is a complex
condition with environmental and genetic causes. ... the goal of promoting genome mapping for various complex
Recent advances in these ...
Human genomics in China
... the title of "Systems Biology for the Multi-gene complex
coordinated by CHEN Zhu.
and computational biology, laws of a complex
life system can now be deciphered and understood. ...
on its influence upon tackling cancer and other complex
human diseases. Meanwhile, facilitated by the ...
Burnham researchers discover 'on switch' for cell death signaling mechanism
... form the heart of the death inducing signaling complex
(DISC), which is responsible for triggering ... crystal structure of the Fas-FADD death domain complex
revealed a particular arrangement of four FADD ... the initiation of the death inducing signaling complex
is of great interest because if you can activate ...
Scientists make strides toward defining genetic signature of Alzheimer's disease
... Scientists have new information about the complex
genetic signature associated with Alzheimer's ... E gene. However, the genetics of the disease are complex
and are not well understood. "Though ... genes may lead to a better understanding of the complex
pathophysiology of Alzheimer's disease," ...
CSHL scientists discover new way in which ubiquitin modifies transcriptional machinery
... molecules a large, ever-changing multiprotein complex
is enlisted to assist the DNA-copying enzyme in ... helper complex] could be disassembled and how the complex
falls apart." Their results will appear in the ... by using its non-destructive functions to pull a complex
apart," says Tansey.
A new class of proteins ...
Kidney function discovery sheds light on genetic complexity of disease
"From the point of view of understanding complex
diseases in humans, it suggests we need to integrate much greater levels of complex
genetic information to reach a clear ... takes us one step closer to understanding the complex
factors at work in these serious diseases."