Sentences with word «lamprey»

«The results of this study could be a critical step toward developing advanced technologies to control sea lampreys in the Great Lakes, which have caused unparalleled damage to fisheries,» said David Ullrich, chair of the GLFC.

Bronner and her team fluorescently tagged these cells in lamprey embryos and found that, during development, the cells migrated from the spine toward the gut.

Her laboratory at Caltech maintains one of the very few laboratory populations of lamprey in the world.

Sten Grillner has elucidated basic principles of neural circuit organization and function that control vertebrate locomotion using lamprey as a model organism.

The newest measure involves hijacking a sex pheromone that male lampreys use to attract females.

However, earlier this year, Nature reported on a freshwater lamprey fossil found in the Jehol biota of China (Inner Mongolia) from the Early Cretaceous period (about 125 million years ago).

For decades, the fishery commission and a team of scientists and advocates across the public and private sectors have been developing measures to control sea lamprey populations.

In this episode, Entrepreneur Network partner Business Rockstars spotlights serial entrepreneur Zane Lamprey, whose Adv3nture Hoodie is the most funded fashion Kickstarter ever.

He samples Pacific lampreys, forages for edible barnacles and harvests sea salt on this culinary adventure.

A grant was written to Project UNIFY to fund an opportunity for Ms. Lamprey's class, or Big Buddies as we fondly began to call them, to accompany their preschool partners, Little Buddies, to a Special Olympics Young Athletes Expo hosted by a neighboring high school.

The jawless, blood - sucking sea lamprey found its way into the Great Lakes in the early 20th century through man - made canals, and has been disturbing the peace ever since.

Michigan Sea Grant Program; Sea Lamprey mouth showing rings of teeth.

Yet concentrations up to 200 times higher don't seem to harm fishes called lampreys during their larval years, measurements from various species suggest.

«We were interested in the origins of lamprey gut neurons because in other vertebrates they arise from a particular embryonic cell type, called neural crest cells,» says Stephen Green, postdoctoral scholar in biology and biological engineering and co-first author on the paper.

For over a decade, the Bronner group has studied lamprey because of the unique insights they offer into the evolution of vertebrates, and particularly the evolution of new structures like jaws.

Like lampreys, they are considered to be «living fossils» similar to the early relatives of vertebrates that lived hundreds of millions of years ago.

I currently am working with Palliativity Medical Group in Bedford and will be joining Lamprey Health Care in a clinical / administrative role.

The smell of rotting sea lampreys drives away the live ones, which could be a useful strategy for controlling the invasive pests.

The scientists say their finding could be used to drive lampreys into an area where they could be captured and killed.

Because lampreys do not have bone or any substantial cartilage, they are extremely rare as fossils.

The bump on the back of the male lampreys rises by up to 0.3 °C when they meet their mates, the scientists report online today in The Journal of Experimental Biology.

During the study, environments lacking plentiful food were male - skewed, with 78 percent of sea lampreys becoming male after three years, whereas environments more conducive to growth produced only 56 percent males.

We first examined the morphology and development of the dorsal ridge in sea lamprey at various developmental stages (Fig. 2; supplementary material Fig.

At the beginning of the school year, preschool special education teacher Beth Reilly came to Brenna Lamprey's fifth grade classroom to read the book My Brother Charlie by Holly Robinson Peete and Ryan Elizabeth Peete.

There is an easier way to deal with the Great Lakes infestation, however: If we could just convince Midwesterners to view lampreys as a delicacy, as they do in many parts of Europe, the problem might be solved.

Recently, his approach has been applied to rat navigation, lamprey locomotion, and the control of eye movement.

Jawless vertebrates include the parasitic lamprey and scavenging hagfish: eel - like creatures that diverged from the ancestral line over 400 million years ago.

«Adult lamprey have gut neurons, but we were unable to find the vagal precursor cells,» says Bronner.

Lamprey show that vertebrates once might have relied on a different mechanism for developing neurons in the gut.

NHAR isn't taking a stand on whether lawmakers should step in, but «we're keeping an eye on this,» says Lamprey.

Lamprey touches on a bunch of entrepreneurial topics, including why it's better to strive for unreasonable goals than to accomplish easy ones, how he made money as a kid and what he would change if he could go back in time.

Rather than swimming with a snakelike motion, as modern - day lampreys typically do, the Tully Monster likely propelled itself with undulations of a muscular fringe of tissue on its tail, similar to the way that cuttlefish swim today.

However, more research is needed to say whether a «hot» female makes a male lamprey grow hotter.

Between 2005 and 2007, the scientists tagged and released sea lamprey larvae into unproductive lakes and productive streams.

With their blood - sucking capability and gaping round mouths, sea lampreys feed on the blood and fluids of native fish, causing population declines in commercially and recreationally important species that are essential to the Great Lakes» multi-billion dollar per year fishery.

Sea lampreys leave a swath of destruction as the invasive species chomps through the Great Lakes.

«Sex - shifting fish: Growth rate could determine sea lamprey sex.»

If lamprey software can help people with spinal injuries, it will be in the shape of animal brain circuitry realised on a chip wired into a human being — a kind of cyborg sandwich.

So researchers extracted chemical compounds from 10 putrefying lamprey carcasses.

«Just about every fishery management decision that we make to this day has to take lamprey into consideration.»

Although most lampreys are mere parasites in their native habitats, those in the Great Lakes are far worse, says Nicholas Johnson, a research ecologist at the U.S. Geological Survey's Hammond Bay Biological Station on Lake Huron in Millersburg, Michigan.

«It's fair to say that lamprey [s] changed the way of life in the region,» says Marc Gaden of the Great Lakes Fishery Commission, a joint U.S. and Canadian organization based in Ann Arbor, Michigan, that's tasked with managing the rebounding ecosystems.

But those measures all have limitations: Dams block more species than just lampreys, lampricides are only effective in certain environments, and traps don't discriminate which individuals they catch.

And indeed the 50 - centimeter - long, eellike creatures can wreak havoc on freshwater communities when they invade from the sea, with a single sea lamprey able to kill 18 kilograms of fish in its lifetime.

Metre - long lampreys, which have long been endangered in the UK, are starting to return to their former habitats thanks to innovative conservation

A few years ago, Johnson demonstrated that baiting lamprey traps with the pheromone, called 3kPZS, increased trap efficiency by 10 % on average, and in some streams more than 30 %.

Soft tissues are even more important in the most primitive vertebrates because they show the subtle and complex changes that occurred as this group emerged, says lead author Robert Sansom, who collected lamprey specimens for the study from streams in the United Kingdom and hagfish from fjords in Sweden.

Today, only the jawless lampreys have four eyes.