Tag: "worm" at biology news
Unravelling new complexity in the genome
...less complex organisms such as the minute nematode worm
Caenorhabditis elegans. Clearly something other than gene count is behind the genetic differences between simpler and more complex life forms. Increased functional and cellular complexity can be explained, in large part, by how genes and the produ...
New, more direct pathways from outside the cell-to-cell nuclei discovered
...e cell. Just like a person would eventually find a worm
hidden in an apple by repeatedly slicing through the apple, Gavin found the intruiging phagosome behavior he sought by using the confocal microscope to repeatedly obtain views that sliced clear through the cell. Specifically, the team tracked phago...
Marine worm opens new window on early cell development
...Oregon biologists studying a common ocean-dwelling worm
have uncovered potentially fundamental insights in...ear effort at the UO to promote use of the bristle worm
Platynereis dumerilii as a model organism for the study of evolutionary origins of cell types and an...
Modern brains have an ancient core
... cells of zebrafish, a vertebrate, and the annelid worm
Platynereis dumerilii, and found some stunning similarities. Not only were both cell types located at the same positions in the developing brains of the two species, but they also looked similar and shared the same molecular makeup. One of these cell...
Plants that produce more vitamin C may result from UCLA-Dartmouth discovery
...e role of a gene in Caenorhabditis elegans, a tiny worm
used as a model for aging studies by Tara Gomez, a...r's laboratories revealed a similarity between the worm
gene and the product of the VTC2 gene of Arabidopsis thaliana, a small roadside plant. Mutations in ...
Left-right wiring determined by neural communication in the embryonic worm
...ich nerves develop on which side seems random from worm
to worm. But now, Rockefeller University and How...te with each other, a system that dissolves as the worm
develops. Every neuron in the adult C. elegans has been mapped and named. Handedness researchers a...
Study warns deep-sea mining may pose serious threat to fragile marine ecosystems
...t, and support sulphur-loving bacteria and bizarre worm
and clam speciescould smother and contaminate these communities, which some biologists argue may represent the origins of life on earth. "We need to act now to establish scientific and legal methods to protect these sensitive ecosystems and minimi...
Berkeley Lab Life Sciences division awarded NIH grants for fruit fly, nematode studies
...ce has been conserved throughout evolution -- from worm
to fly to human -- it is very likely that the sequence is functionally relevant." ...
Fly and worm models to teach researchers about human biology and medicine
...levance. This parallel effort in the fruit fly and worm
genomes willprovide us with information about the ...fruit fly("Drosophila melanogaster") and the round worm
("Caenorhabditiselegans"). The scientific community relies heavily on these modelorganisms to identi...
NYU's Center for Comparative Functional Genomics part of $57 million MOD-ENCODE consortium
...s of the model organisms (MOD) fruit fly and round worm
Caenorhabditis elegans (C. elegans) as models to u...ollins. "This parallel effort in the fruit fly and worm
genomes will provide us with information about the functional landscape of two key model organisms, ...
Plants tag insect herbivores with an alarm
...s part of the armyworm's oral secretions. When the worm
next feeds on cowpea, trace amounts of inceptin recontact the wounded leaf and alerts plants to generate a burst of defensive phytohormones. In the June issue of Plant Physiology, Schmelz and his USDA collaborators, including Sherry LeClere, Mark ...
A matter of force
... fertilized, the developing embryo of the nematode worm
Caenorhabditis elegans undergoes its first cell division. The division gives rise to a bigger cell at the anterior end of the embryo, where the head will develop, and a smaller cell at the posterior end. For this asymmetric division to take place, th...
Salk researchers discover first gene that specifically links calorie restriction to longevity
...ys. Humans possess three genes highly similar to worm
pha-4, all belonging to what is called the Foxa family. All three play an important role in development and then later on in the regulation of glucagon, a pancreatic hormone that unlike insulin increases the concentration of blood sugar and maintains...
Researchers find level of special protein is critical to proper formation of muscles
...le to the UPS. The result is a partially paralyzed worm
whose muscles show visibly smaller fibers. "This kind of process that we're seeing in our worms is likely to be important in both the building up and tearing down of heart and skeletal muscle in humans," Epstein said. "So we predict that the regula...
The origin of the brain lies in a worm
...investigate the nervous system of a marine annelid worm
called Platynereis dumerilii. "Platynereis can be ...o on to form the same neural structures in annelid worm
and vertebrate." "Such a complex arrangement caould not have been invented twice throughout evoluti...
MIT engineer works toward clean water, more
...t regions of Ghana, where cholera, typhoid, guinea worm
and other waterborne diseases are rampant. Two Ghanaian social entrepreneurs, together with MIT engineering and Sloan School of Management students, hope to spread ceramic filters to reach more than a million people in northern Ghana in the coming ye...
Mutant gene shatters nerves
...coln's birthday on Feb. 12. The study involved a worm
gene named unc-70 that makes a protein named beta ... so the cells cannot communicate normally. But the worm
study suggests the true cause is nerve-cell breakage caused by defective beta spectrin, says study c...
DOE JGI upgrades IMG/M -- the Metagenomics Data Management & Analysis System
...nce 312: 1355-1359, 2 June 2006), a gutless marine worm
(Nature 443, 950-955, 26 October 2006), and obese and lean mouse gut (Nature 444, 1027-131, 21 December 2006). In addition, IMG/M includes three of the simulated metagenome data sets employed for benchmarking several assembly, gene prediction, and bi...
First molecular simulation of a long DNA strand shows unexpected flexibility
... of a rubber-band ball. Or maybe more like a lumpy worm
coil. Uncoiled, the worm
wiggles, flexes, and even kinks, according to a simulation performed on System X. As we know from ...
Don't move a muscle: Evolutionary insight into myogenesis
...sizes that understanding the redundancy built into worm
muscle development reveals that the core transcriptional regulators of myogenesis are, as we would predict, conserved across animals....
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