Sentences with phrase «in lamprey»

In a paper published in 1987, he and his colleagues went on to unravel the details of a core network of interacting interneurons in the lamprey as a vertebrate model system.

Grillner's experimental and theoretical analysis of motor coordination in the lamprey has served as a standard for other attempts to describe the circuits that encode vertebrate behaviors in precise cellular and anatomical terms.

Grillner's experimental and theoretical analysis of motor coordination in the lamprey has served as a standard for other attempts to describe the circuits that encode vertebrate behaviours in precise cellular and anatomical terms.

«We were startled when we discovered that these data may also reveal how sex is determined because mechanisms of sex determination in lamprey are considered a holy grail for researchers.»

In 1987, they discovered that the repetitive motions of swimming are choreographed by a group of neurons in the lamprey's spinal cord called the central pattern generator (CPG).

All the muscles of our faces develop from a strip of cells at the base of the embryonic head, just as they do in lampreys, which belong to one of the oldest lineages of vertebrates alive today.

In lampreys, for example, certain parts of the brain and the mouth that distinguish the animals from earlier relatives begin a rapid decay within 24 hours.

«On the other hand, there was this idea that the lizard third eye developed from a different organ, called the parapineal, which is well developed in lampreys.

Not exact matches

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.

biochemical evidence such as Cytochrome - cyto - C is just one of the thousands of sequences and is not proof of common ancestry, as there are more variations than similarities in the genetic code, on the other hand a study of the amino acid make - up reveals that man is closer to lamprey than are fish.

In April use the same baits and also the lamprey, called Seven Eyes.

Now, a detailed analysis of more than 1200 fossils that provide views of the creature's remains from many angles confirm its relation to the eellike creatures known as lampreys, the researchers report online today in Nature.

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.

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.

Scientists have taken advantage of the lamprey's simplicity — its neurons number in the thousands, while humans have billions — to produce the first complete blueprint of a vertebrate motor system.

Other researchers have placed similar robots, in the form of lobsters and lampreys, on the seafloor, and Jeremijenko hopes to have still more varieties hopping, slithering, and climbing their way into the environment soon.

This discovery could be a critical step in developing advanced technologies to control sea 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.

«Remarkably, we didn't set out to study sex determination in sea lampreys — we were planning to study environmental effects on growth rates only,» said Nick Johnson, a USGS scientist and the lead author of the study.

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.

Scientists had seen that dead sea lampreys in a tank caused live ones to freak out and try to escape.

They compared 146 genes in many chordates, including hagfish and lamprey (considered the most primitive vertebrates) and larvaceans, which are sea - faring relatives of sea squirts.

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.

Sea lampreys are a particular problem in the Great Lakes regions of the United States and Canada.

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 %.

And Pung - Pung Hwang, a zoologist at the Academia Sinica in Taipei, says the team also needs to look at more - ancient fish, such as lamprey and sturgeon, as well as fish living in saltwater.

When sea lampreys (Petromyzon marinus) mature, growing their jawless toothy gapes and sucking blood of other fishes, iron concentrations in blood drop — to about 10 times healthy human levels.

Lampreys may have gone parasitic early in the history of vertebrates and so have had a long time to evolve their vampiric specializations.

Studies of the modern species» blood - feeding physiology got a solid source of new data in 2013 when an international team decoded the genetic instruction book of the sea lamprey, a notorious invader of the Great Lakes.

Docker hopes for more work on lamprey detox tricks, such as the liver enzyme superoxide dismutase, which increases as concentrations of iron in the liver rise in adult pouched lampreys.

More specialised brain regions arose in early fish, some of which resembled the living lampreys.

The human brain is very different from the brain of a lamprey, but in both species the neocortex — the outer layers of the brain — is divided into two mirror - image hemispheres.

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

October 26, 2006 Scientists find lamprey a «living fossil» Scientists from the University of Witwatersrand in Johannesburg, South Africa, and the University of Chicago have uncovered a remarkably well - preserved fossil lamprey from the Devonian period that reveals today's lampreys as «living fossils» since they have remained largely unaltered for 360 million years.

«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.

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

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

Bronner was especially interested in how the lamprey compares with other vertebrates in the evolution of its gut neurons.

Contact: 508-685-3525; [email protected] Woods Hole, Mass. — Many of the genes involved in natural repair of the injured spinal cord of the lamprey are also active in the repair of the peripheral nervous system in mammals, according to a study by a collaborative group of scientists at the Marine Biological Laboratory (MBL) and other institutions.

«There are few representatives of these early branches in vertebrate evolution that are still around today,» Coates said, which is why so much scientific attention has been paid to lampreys.

Also, design-wise, it seems to me that too many people in the CG world are being pooped out on a conveyor belt, thinking that in order to make something creepy, you just need to throw tentacles, a crab claw, and a lamprey mouth on it.

Brenna Lamprey is a 5th grade teacher and Beth Reilly is a Special Education teacher at Harbison West Elementary in Columbia, SC.

We arranged four different guests to speak in Ms. Lamprey's class:

Marilou Strickland of Lamprey River Real Estate in Raymond, New Hampshire, commented: «While home sellers accept that the market has a decreased value, they believe their property is the exception and it's still a struggle to convince them to list their houses in the right price range.

Salmon, trout, and other fish such as the lamprey, sculpin, redside shiner, shad, sturgeon, candlefish and the large - scale sucker who spend their lives in coastal streams and rivers in the Pacific Northwest can be infected with the organism Neorickettsia helmonthoeca.

Recent surveys have found bass, flounder, salmon and Dover sole, as well as the lamprey eel in the river's still murky waters.

His specialty is explaining scientific studies for lay audiences, including recent stories about riverless urban areas in the Great Lakes Basin, the impact of climate change on rare plants and the use of sex pheromones to combat the invasive sea lamprey.

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