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apparatus in Biological News

Microscopic morphology adds to the scorpion family tree

... This study is the most complete review of scorpion breathing apparatus ever: 200 specimens from 100 genera in 18 scorpion families were examined. ... suggests that a significant change in the structure of the respiratory apparatus must have occurred early in the evolution of modern scorpions. Both ...

New twist on life's power source

... a potential role of oxygen as accepting electrons from the photosynthetic apparatus in place of carbon dioxide, the studies by Grossmans group show that this ... of using sunlight to produce energy, while protecting the photosynthetic apparatus from damage that can be caused by the absorption of light. Capturing ...

Bladder cells feel stretch

... distension. The research group examined the function of 'TRPV4' protein abundantly expressed in urothelial cells. The group developed a special apparatus to measure cell responses upon stretch stimulation, which mimics bladder distension. Upon stretch stimulation, robust Ca2+ influx and following ATP ...

Flexible neck in cell-receptor DC-SIGN targets more pathogens

... also known as CD209 (Cluster of Differentiation 209), the researchers used a device called a surface force apparatus. The surface force apparatus measures the molecular forces between two surfaces as they are first brought together and then pulled apart. In the current work, the surfaces were ...

Size did matter

... discoveries on fossils", he adds. The X-ray examination of the fossilised ostracods revealed direct parallels with the complex reproductive apparatus of modern relatives of these Cretaceous fossils. The team also came across something of a surprise: two of the female specimens had inflated cavities ...

The downside of microtubule stability

... Golgi complex; and they provide a track along which these vesicles can travel to their rendezvous point near the nucleus. By breaking up the Golgi apparatus and then watching the fragments reunite, the researchers found that dynamin 2 was essential for the capture step, not for transportation. Dynamin 2 ...

When every photon counts

... is that the central positioning of the active eurochromatin allows more interactions between neighbouring gene loci and with the transcription apparatus in three dimensions; euchromatin in a peripheral shell factually has only two dimensions for contacts. However, in nocturnal mammals the advantages ...

Crafty Australian crayfish cheat

... Wilson explains. To measure crayfish claw strength, Frank Seebacher of the University of Sydney, Australia, helped Wilson design a custom-made apparatus consisting of two thin parallel beams with external force transducers. Luckily, it wasn't too tricky to entice the animals to clamp down on the ...

Veterinarians developing model to help producers, vets make cattle more comfortable

... to the cattle's considerably larger midsections, the researchers wrapped the monitors to the animals with bandages. The researchers borrowed an apparatus used by barrel racers to gauge speed as a way to measure how quickly cattle exited the chute. Their assumption was that the more uncomfortable the ...

Researchers to use K-State's BSL-3 Lab for $1 million study of fungus threatening wheat crops

... said that the genome sequencing part of the research will benefit from other campus resources as well, including a sophisticated genome sequencing apparatus that the Integrated Genomics Facility, housed in the department of plant pathology, recently acquired. Valent said the researchers also will take ...

Boost from McGill, Gates Foundation helps Africans control pharma research

... developed in close concert with colleague Dr. Eliane Ubalijoro of McGill's Centre for Developing-Area Studies, replaces high-technology screening apparatus with genetically engineered yeast strains and E. coli bacteria. These organisms have been modified to produce proteins normally only found in ...

Nanoscale coating protect products -- and the economy

... area worldwide. Because they work at the nanoscale, the job of actually applying the thin films falls on "Dorothy," a large "sputter deposition" apparatus in the AceLab. (The equipment is named for one of Aita's mentors, the late Dorothy Hoffman, a pioneer in film growth by physical vapor deposition.) ...

Volcanoes may have provided sparks and chemistry for first life

... of an erupting volcano. "We found that in comparison to Miller's classic design everyone is familiar with from textbooks, samples from the volcanic apparatus produced a wider variety of compounds," said Bada. "We discovered 22 amino acids, 10 of which have never been found in any other experiment like ...

Molecular cubes in the sunlight

... best known catalyst, which very effectively oxidizes water when irradiated with visible light, is a manganese-containing enzyme in the photosynthetic apparatus of living organisms. Robin Brimblecombe and Leone Spiccia at Monash University (Australia), Gerhard F. Swiegers at the Commonwealth Scientific and ...

RNA emerges from DNA's shadow

... including cancers. Delegates at the conference also heard how there is great potential for creating new compounds that manipulate the cell's apparatus for transcribing DNA into RNA to overcome a number of serious disorders caused by deleterious mutations in specific genes, as opposed to problems ...

EuroDYNA takes lid off the genome

... broker these collaborations and enable projects to develop the critical mass needed to make real progress. The expression of genes involves an apparatus comprised mostly of proteins for reading the DNA, leading to production of RNA. This RNA in turn is either transported within the cell to the protein ...

Researchers reveal insights into hidden world of protein folding

... into the interior of the chaperonin. That has provided Frydman with important information on how a protein might line up inside the folding apparatus and how it begins to fold up once the lid is shut. What they are learning has immense promise from the point of view of protein engineering and ...

Young mineral scientists rock!

... Core) project and works with iron-nickel alloy, the supposed main component of the Earths core. She investigates its properties in a diamond anvil apparatus under high pressure and temperature in order to constrain the influence of carbon on the phase relations in the iron-nickel system. Olga Narygina is ...

UCSB receives $3.2 million stem cell grant from state

... an innovative Deep Sequencing Core, equipment rooms, meeting rooms, and offices. The Deep Sequencing Core will house a high throughput sequencing apparatus that will enable important new molecular genetic approaches to key questions. These core facilities will be used by 25 current UCSB researchers with ...

Insects evolved radically different strategy to smell

... ideology in the field. Since 1991, researchers assumed that all vertebrates and invertebrates smell odors by using a complicated biological apparatus much like a Rube Goldberg device. For instance, someone pushing a doorbell would set off a series of elaborate, somewhat wacky, steps that culminate ...

Prednisone tablets less variable than marketed drugs

... criterion in quality assurance and regulation of manufactured drugs and dietary supplements. In all analytical testing, including dissolution, the apparatus used must undergo installation, operation and performance qualification to ensure reliable results. These activities are detailed in various USP ...

University of Chicago launches research program in catastrophic deformation

... of the total funding to developing instruments that will advance current capabilities in ultrafast imaging. They will develop a high-speed imaging apparatus using X-rays produced at the Advanced Photon Source at Argonne National Laboratory to study granular materials. The team also will combine new ...

Like humans, monkey see, monkey plan, monkey do

... suspended upright or upside down. Would these monkeys, a non-tool using species, adopt an unusual grasping pattern while removing the cup from the apparatus to retrieve the marshmallow? The results, which appear in the December issue of Psychological Science, a journal of the Association for ...

Synthetic compound promotes death of lung-cancer cells, tumors

... of the study. In 2000, Dr. Wang announced the discovery of a cellular protein called Smac, which plays a key role in the normal self-destruction apparatus present in every cell. This process, called apoptosis, is activated when a cell needs to be terminated, such as when a cell is defective or becomes ...

Coral reef fish harbor an unexpectedly high biodiversity of parasites

... They live on gills of marine fish where they find both refuge and food. Identification of each taxon is facilitated by the morphology of the genital apparatus which is characteristic for each species. In 2006, researchers from the research unit Systmatique, Adaptation, volution (UMR 148) at Noumea first ...

UIC researchers find promising new targets for antibiotics

... be developed," he said. In the study, which is published in the Journal of Biological Chemistry, UIC researchers divided a ribosome -- the main apparatus within the cell that makes protein, and one of the best antibiotic targets -- into specific sections. Random genetic mutations were engineered in ...

Features of replication suggest viruses have common themes, vulnerabilities

... MADISON - A study of the reproductive apparatus of a model virus is bolstering the idea that broad classes of viruses - including those that cause important human diseases such as AIDS, SARS and ...

A unique arrangement for egg cell division

... that the egg has half the normal set of chromosomes, because the second half is brought in by the sperm cell during fertilisation. The molecular apparatus that makes sure that the egg ends up with the correct number of chromosomes is a bipolar spindle consisting of protein filaments, called microtubules ...

Surprising origin of cell's internal highways

... Cell, Irina Kaverina, Ph.D., and colleagues report that the Golgi apparatus -- a stack of pancake-shaped compartments that sorts and ships proteins ... that could reveal the true origins of these structures. "The Golgi apparatus is very close to the centrosome," said Kaverina. "So if you're not looking ...

Williams College biologist explores photosynthetic apparatus

... in exploring the structure, function and evolution of the photosynthetic apparatus in one of the most important marine primary producers of the world. Her ... be missing several genes encoding proteins associated with the biological apparatus crucial to photosynthesis and proteins that are critical in the ...

How the neuron sprouts its branches

... research was sponsored by The National Institutes of Health. The Golgi apparatus is a cellular warehouse responsible for receiving, sorting and shipping ... Until the new findings, researchers believed that only a central Golgi apparatus played a role in such distribution, said Ehlers. "In most mammalian ...

Needling Chromosomes Reveals Cell Division Secret

... have to be held together, because otherwise they don’t attach to the apparatus called the spindle that distributes them to opposite poles," explained ... by how they disturb structures around them. Also, the micromanipulation apparatus is arranged such that your view is up through the bottom of the cell, ...

When your brain talks, your muscles don't always listen

... neurons and muscles, and how it changes as we age, may lie right at our fingertips, according to Knight's research. Using an experimental apparatus he and his students created in UD's Human Performance Lab, Knight has been examining muscular force on a very small scale in the index finger, ...

A new study of living cells could revolutionize the way we test drugs

... on naturally occurring micro-organisms in the environment. To detect a cell’s normal activity, Andre Geim and fellow researchers modified apparatus used originally to detect weak magnetic fields in superconductors*. Unfortunately, these modifications reduced the sensitivity of the technique, and ...

U of M researchers invent 'flashy' new process to turn soy oil, glucose into hydrogen

... currently available to make syngas and hydrogen." Schmidt gained national attention in February 2004, when a team he headed invented a similar apparatus to produce hydrogen from ethanol. ...

Vaccine-producing 'plant-factories'

... reticulum and the chloroplast. Up to now it has been argued that the endoplasmic reticulum was connected to other parts of the cell such as the Golgi apparatus and the plasmatic membrane, etcetera, but not to the ...

One-dimensional diffusion accelerates molecular motors

... discovery is important for understanding cellular life processes like cell division and nerve cell growth. When cells divide, they build a giant apparatus - the so called the "mitotic spindle". It is made up of microtubules; which are tiny protein polymers that can be built up and torn down like ...

Small molecule interactions were central to the origin of life

... Shapiro outlines how replicator theories, though they have been supported by "prebiotic" syntheses carried out by chemists using modern apparatus and purified reagents, are highly unlikely. The creation of a molecule that can self-replicate requires the combination of diverse chemicals in a ...

Parkinson's disease mechanism discovered

... organelles -- the endoplasmic reticulum (ER) and the Golgi apparatus. The endoplasmic reticulum is the site of protein production, and the Golgi apparatus is the cell's "post office," which modifies, sorts and adds the molecular addresses that designate the specific destinations in the cell where ...
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(Date:7/9/2014)... common frog is one of the amphibians with the ... in permanent areas of water where it comes into ... its larvae. Research carried out by the Spaniard Germn ... the larvae of these frogs have developed a defensive ... tails and larger bodies if they co-exist with the ...
(Date:7/9/2014)... measurement results accrue. To completely and systematically archive ... In fact, researchers in the life sciences spend ... to an online survey of 70 people working ... for Applied Information Technology FIT in Sankt Augustin. ... no centralized or structured approach to data collection ...
(Date:7/9/2014)... inhibitors and N-methyl-D-aspartate receptor antagonists can alleviate ... to affect irreversible cognitive dysfunction and effectively ... Amyloid beta peptide (Aβ) vaccines reduced and ... (AD) transgenic mouse model, and significantly improved ... and his team, First Affiliated Hospital of ...
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(Date:7/9/2014)... -- Vasectomy was associated with a small increased risk ... or lethal prostate cancer according to a new study ... found that the association remained even among men who ... lethal cancer cannot be explained by diagnostic bias. It ... to look at the link between vasectomy and prostate ...
(Date:7/9/2014)... heretofore hidden ways that cells are regulated, scientists at ... cancer cells more likely to metastasize. , What,s more, ... by blocking two other proteins that are normally linked ... processes could have unexpected ties. , The study, ... Nature , points to the possibility of new cancer ...
(Date:7/9/2014)... have found that fecal transplantation is effective and safe ... This is the result of a study led by ... Women,s Gastrointestinal Medicine at The Women,s Medicine Collaborative. The ... advance of print in the American Journal of ... C. diff , has increased to epidemic proportions over ...
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