Sentences with phrase «in flatworm»

Similarly, a very divergent GW182 Argonaute interacting protein was identified in all flatworm linages.

We used this method for profiling genes in the flatworm Schistosoma mansoni.

Now, a team of scientists from the Institute for Stem Cell Biology and Regenerative Medicine (inStem) and the National Centre for Biological Sciences (NCBS) have found that many messenger molecules in the flatworm Schmidtea mediterranea have alternate forms that vary in the lengths and positions of their tails.

The authors believe that these tools and methods will lay the foundation for crucial breakthroughs in the flatworm model system and in our understanding of stem cell biology and the process of regeneration.

And all of this has been developed for the first time in the flatworm model system.»

The principle behind the study, that clones avoid ageing by regulating telomeres, has also been previously studied by other researchers in flatworms.

Not exact matches

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).

In the study, which included a series of laboratory experiments, field surveys and mathematical modeling, the presence of various species of dragonfly larvae reduced the infections in frogs caused by parasitic flatworms called trematodes, said Val Beasley, professor and head of the department of veterinary and biomedical sciences, Penn State, who worked with Rohr and whose research group collaborated with Lucinda Johnson, senior research associate and director of the Center for Water and the Environment, University of Minnesota Duluth, to complete the field studIn the study, which included a series of laboratory experiments, field surveys and mathematical modeling, the presence of various species of dragonfly larvae reduced the infections in frogs caused by parasitic flatworms called trematodes, said Val Beasley, professor and head of the department of veterinary and biomedical sciences, Penn State, who worked with Rohr and whose research group collaborated with Lucinda Johnson, senior research associate and director of the Center for Water and the Environment, University of Minnesota Duluth, to complete the field studin frogs caused by parasitic flatworms called trematodes, said Val Beasley, professor and head of the department of veterinary and biomedical sciences, Penn State, who worked with Rohr and whose research group collaborated with Lucinda Johnson, senior research associate and director of the Center for Water and the Environment, University of Minnesota Duluth, to complete the field study.

«In our wetland survey, our microcosms and disease models, we discovered that there were fewer flatworms in frogs where there were more species of flatworm predators,» said RohIn our wetland survey, our microcosms and disease models, we discovered that there were fewer flatworms in frogs where there were more species of flatworm predators,» said Rohin frogs where there were more species of flatworm predators,» said Rohr.

There are enough troublesome pests in Ireland today, such as the introduced New Zealand flatworm, which people would like to send on its merry way with some modern - day St. Patrick - style sorcery.

It was classified as a flatworm, then, in the 1990s as a simplified mollusk.

They sequenced the first whole animal, the flatworm, in 1998, and then pushed the systems to handle big chunks of bigger genomes — billions of base pairs.

A team of researchers from Kentucky Space LLC and the Center for Regenerative and Developmental Biology at Tufts University in Medford, Massachusetts, will use the worms to observe repair processes and wound - healing done by cells in space during the Flatworm Regeneration investigation.

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.

A new study launched aboard SpaceX's fifth commercial resupply services (CRS) mission to the space station examines the reparative processes of flatworms in microgravity.

Schistosomiasis infects people when they wade in freshwater containing the parasitic flatworms.

Barely the length of a fingernail, the Southeast Asian liver fluke is a flatworm that thrives in the freshwater lakes and rivers of the Mekong basin.

Flatworms that spent five weeks aboard the International Space Station are helping researchers led by Tufts University scientists to study how an absence of normal gravity and geomagnetic fields can have anatomical, behavioral, and bacteriological consequences, according to a paper to be published June 13 in Regeneration.

The flatworm is ideal for studying stem cells, says lead author Kaja Wasik, who conducted the work as a PhD student in Hannon's lab along with co-lead author James Gurtowski from Schatz's lab.

In addition to their natural spread, flatworms can easily be passively spread with infested plants, plant parts and soil.

The land planarian Platydemus manokwari, or New Guinea flatworm, is a highly invasive species, already reported in many territories in the Pacific area, and as well as in France.

The New Guinea flatworm, which has helped decimate some snail populations on certain Pacific islands, is now rearing its head in Florida.

«Discovery in the US of the New Guinea flatworm, one of the worst known invasive species.»

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.

Strausfeld and Wolff looked at both the neuroanatomy and chemical composition of mushroom bodies in numerous species belonging to two major groups of invertebrates: Ecdysozoa, which includes insects, crustaceans and other arthropods such as scorpions and horseshoe crabs; and Lophotrochozoa, which includes mollusks, flatworms and segmented worms.

At least in the case of flatworms,» summarizes Rink.

These flatworms live off energy provided by the green algae they store in their tissues — allowing them to spend their lives sunbathing on sandy beaches

The planarian Schmidtea mediterranea are flatworms with bilateral symmetry used as models in the research on cell regeneration and stem cells.

Porphyrins in high levels are toxic, killing off the cells that produce them and turning the flatworms pale white.

An accidental discovery of a flatworm's color - changing ability could help develop treatments for porphyria, a disease that causes pain and light sensitivity in humans.

Schmidtea mediterranea, a flatworm native to southern Europe and Tunisia, turns from brown to white when exposed to sunlight for 24 or more hours, as scientists discovered when they were studying regeneration in the species.

The flatworms gain their pigment back after a few days, and were otherwise unaffected, according to a study published this week in the journal eLife.

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

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.

As discussed below, this provides new insight into pigment biosynthesis in the Platyhelminthes (flatworms) and establishes planarians as a useful animal model for porphyria research.

«Tissue loss triggers regeneration in planarian flatworms.»

Stubenhaus et al. propose that flatworms are useful models in which to study the molecular processes that are responsible for porphyrias in humans.

The experiments also show that starvation increases the rate of pigment cell loss in light - exposed flatworms, which mirrors the worsening of disease symptoms some porphyria patients experience when they diet or fast.

Short for «evolutionary developmental biology,» Evo Devo posits that the same set of master genes, with differing on - off switches, controls the development of basic body structures in animals ranging from flatworms to humans.

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.

Strange green flatworms, also known as «mint - sauce worms,» collect together in shallow waters along much of Europe's Atlantic coast, forming what researchers call a «superorganism.»

If you look close enough, you can just see them squeezing their way in between grains of sand and scooting along on seaweed — tiny flatworms.

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.

SEX BOTH WAYS: Hermaphroditic flatworms engage in what's known as reciprocal mating, in which two individuals will both inseminate and be inseminated simultaneously via the penetration of the stylet (flatworm penis) into the antrum (flatworm vagina).

Other model systems are emerging that use the same sperm fluorescence technique, such as in a flour beetle, Tribolium (also at Syracuse University), and in the transparent hermaphroditic flatworm Macrostomum lignano (at the University of Basel).

Sponsorship Officer and Website Coordinator: Peter Olson Location: United Kingdom Institute: Natural History Museum, London Research Interests: Development, genomics and comparative biology of flatworms; understanding the evolution of parasitism and Neglected Tropical Diseases through investigations of parasites in the context of their natural animal affinities.

Remarkably all flatworms share a specific Argonaute family (FL - Ago) that has been independently amplified in different lineages.

Whitehead Member Peter Reddien and former postdoctoral fellow Christian Petersen recently found that the Wnt pathway — an ancient signaling circuit that operates in all animals — inhibits head regeneration at wound sites in the tiny flatworms.

Background: Small non-coding RNAs, including miRNAs, and gene silencing mediated by RNA interference have been described in free - living and parasitic lineages of flatworms, but only few key factors of the small RNA pathways have been exhaustively investigated in a limited number of species.

We here described all the putative small RNA pathways present in both free living and parasitic flatworm lineages.