Sentences with word «flatworm»

Cut most species of flatworms in half, and you end up with two worms.

This study on S. mediterranea is the first of its kind in flatworm model systems, which, due to their incredible regeneration abilities, provide insights into stem cell regulation, cancer and tissue regeneration.

The planarian flatworm Schmidtea mediterranea is an extraordinary animal.

Here we report that in addition to producing an ommochrome body pigment, the planarian flatworm Schmidtea mediterranea generates porphyrins in its subepithelial pigment cells under physiological conditions, and that this leads to pigment cell loss when animals are exposed to intense visible light.

We've also known that certain parasitic infections may put people at higher risk for specific cancers — such as flatworms for bile duct cancer or a river creature called schistosoma haematobium for bladder cancer, according to the American Cancer Society.

In the paper, the authors stressed that understanding the genetic makeup of these molluscs is important because many «freshwater snails are intermediate hosts for flatworm parasites and transmit infectious diseases» to humans and other animals.

Starving yeast and flatworms live longer when they express a gene called Sir2 (ScienceNOW, 8 May, 2003).

Levin is now studying flatworms as obsessively as tadpoles.

They showed that a dramatic shift in the microbial community of planaria robs the freshwater flatworm of its superior regenerative abilities.

Engineers may be able to create new algorithms — a set of steps used in mathematics or to design computer processes — based on the knowledge gained from flatworm study in orbit.

The slope is covered by small colourful coral formations inhabited by nudibranches and flatworms Pseudoceros.

Inspired by flatworm memory experiments from the 1950s, researchers are on the hunt for the elusive engram — the physical mark that a memory leaves on the brain — Laura Sanders reported in «Somewhere in the brain is a storage device for memories» (SN: 2/3/18, p. 22).

Newmark, currently a professor at the University of Illinois at Urbana - Champaign, studies a freshwater flatworm called a planarian, a remarkable creature capable of regenerating its entire body from scratch.

That would put humans into the privileged position of being like flatworms, which can naturally regenerate any body part, and therefore have an indefinitely long life span.

Platydemus manokwari, the New Guinea flatworm, consumes land snails and thus endangers endemic species.

This week in Lembongan... We were able to find a tiny flatworm drifting in the soft current at the Mangrove dive site.

Professor Buckley said: «New Zealand flatworms are not snakes but they are long and legless, and our ecosystems and farms would benefit from their removal.

Scientists in the lab of Whitehead Member Peter Reddien have discovered that the gene Smed - beta - catenin - 1 is required for proper decisions about head - versus - tail polarity in regenerating flatworms.

The results obtained in this first flatworm study between Kentucky Space and Tufts University will become the basis for their next phase of research in regenerative medicine.

The main problem lies with the fact that it pales in comparison to its main influence; it is nowhere near as atmospheric as Ridley Scott's landmark film and a kind of floaty, translucent flatworm with wings is nowhere near as threatening as H. R. Giger's creation.

Tourists spending a recuperative holiday on the Italian coast may be envious of the regenerative abilities of locally found flatworm Macrostomum lignano.

And our expert guide Ranti from Thalassa Dive Resort found us this polyclad flatworm on the back of a sea cucumber.

It's not unusual to spot up to 10 different species of nudibranchs and flatworms on a single dive.

The researchers repeated the experiment with other insects, including flatworms, ants, and sand hoppers, and the manmade nano - suit protected them all.

These curious green flatworms — found along much of Europe's Atlantic coast — run on inbuilt solar power, meaning they never have to worry about eating.

«Dog flatworms are contracted through contact with feces or from drinking in something from a body of water.

Flatworm experiments that showed worms could retain a memory after losing and regrowing their heads reminded reader Will Juncosa of a similar science fair experiment that he and his brother attempted.

«Additionally, the field study indicated that the diversity of these predators was a better predictor of flatworm infections than nutrients, frog immunity or the diversity and abundance of hosts.»

The similar life cycles of the amphibian flatworm and the one that causes schistosomiasis made Rohr and his colleagues wonder whether agricultural pollution might also affect disease transmission.

And in 1966, the magazine followed up on the experiments that made McConnell famous as the «flatworm man.»

A pink flatworm - like animal known by a single species found in waters off Sweden has puzzled biologists for nearly six decades.

Himasthla species B is the first flatworm ever seen dividing into castes.

Postdoctoral Research Associate Chris Arnold, Ph.D., his advisor Alejandro Sánchez Alvarado, Ph.D., and their collaborators find that ailing flatworms experience a dramatic expansion of pathogenic Proteobacteria that closely mirrors changes associated with human ailments.

As flatworms age, or should they encounter cellular damage, they have the ability to renew their cells.

The Persian carpet flatworm, the cuttlefish and the black ghost knifefish look nothing like each other — their last common ancestor lived 550 million years ago, before the Cambrian period — but a new study uses a combination of computer simulations, a robotic fish and video footage of real fish to show that all three aquatic creatures have evolved to swim with elongated fins using the same mechanical motion that optimizes their speed, helping to ensure their survival.

So, it's funny to think of returning to flatness aboard the International Space Station, but this outpost currently houses flatworms for research.

«Space - traveling flatworms help scientists enhance understanding of regenerative health: Experiments aboard International Space Station point to anatomical, behavioral and bacteriological impacts of space travel.»

The researchers launched a set of flatworms into space via SpaceX Commercial Resupply Service Mission 5 on Jan. 10, 2015.

Adult flatworm M. lignano and diagrammatic key are shown.

Murty has since died — though his name lives on in a namesake flatworm, Pseudodiplodiscoides murtyi — and Rao could not be located to confirm the theory.

«First complete genome assembly of planarian flatworm reveals treasure trove on function and evolution of genes.»

The snail - manipulating flatworm (Leucochloridium paradoxum) grows and multiplies inside the snail.

Humans and honeybees aren't close relatives; their common ancestor was probably some kind of marine flatworm, Robinson says.

Stubenhaus et al. also plan to use flatworms to screen for drugs that could potentially be developed into new treatments for porphyria.

Schistosomiasis is transmitted via flatworms shed by the freshwater snails that serve as the parasite's non-human host.

Further research is required to determine the exact chemical structure of the porphyrin and ommochrome molecules produced in different flatworm species.