Sentences with phrase «found in all vertebrates»

Furthermore, sensory receptors for these chemicals have been found in all vertebrates except cartilaginous fishes such as sharks.

The MHC is a family of genes found in all vertebrates that encodes vital proteins in the immune defense system.

«We found that fruit flies exhibit acoustic trauma effects resembling those found in vertebrates, including inducing metabolic stress in sensory cells,» Eberl says.

TheCiona genome contains ∼ 16,000 protein - coding genes, similar to the number in other invertebrates, but only half that found in vertebrates.

In the course of their research, however, the scientists discovered that the nerve net of the embryonic sea anemone is formed by a set of neuronal genes and signal factors that are also found in vertebrates.

Pannexins are found in vertebrates and lower chordates [5, 6] and share sufficient sequence similarity with innexins to be considered related.

Not exact matches

If you are conceding that most marine organisms died, then you face the same founding population genetic diversity constraints limiting their ability to rapidly yield the mult - itude of observable marine vertebrate and invertebrate life in a very short time.

The same evidence was found in another family of proteins, the cytochromes c, and this made it possible to conclude that the common ancestor of yeast, plants, and vertebrates lived about 1.2 billion years ago.

There is no such «direct» evolution: animals, bacteria, and algae have a common ancestor from which they have diverged, as can be shown by aligning and comparing amino acid sequences of proteins and nucleotide sequences of homologous ribosomal RNA molecules that are found in both bacteria and vertebrates.

Oct. 28, 2013 — A James Cook University - National Geographic expedition to Cape York Peninsula in north - east Australia has found three vertebrate species new to science and isolated for millions of years

Found in the sensory nerve cells of vertebrates, TRPM8 typically sends a sensation of cold to the brain when activated by low temperatures.

The researchers say they are now «eager to see how additional finds from this region will reshape our understanding of plumage and soft tissues in dinosaurs and other vertebrates.»

(The cloaca is a combination of genital tract and end of the digestive system found in many invertebrates and most vertebrates, except most mammals.)

This finding indicates that ancient bacterial DNA may survive in some cases much beyond the one million year boundary suggested for vertebrate DNA.

(Among vertebrates, eusociality is found in just two species of African mole rats.)

The researchers identified more than 1000 olfactory receptors in the soft - shell turtle, which is one of the largest numbers ever to be found in a non-mammalian vertebrate.

The new find is more complete than the Peruvian one, so its height is known more accurately, says Daniel Ksepka of North Carolina State University in Raleigh, in an upcoming paper in the Journal of Vertebrate...

The team's findings «are another good example of evolution being a predictive science,» says Thomas Holtz, Jr., a vertebrate paleontologist at the University of Maryland in College Park.

The findings are published in the Journal of Vertebrate Paleontology.

The latest findings reinforce a 2016 Storz - led study published in the journal Science, which was the first to establish that vertebrate species can follow different molecular - level paths to reach the same adaptation.

When Tomer compared the worm's cells with those in a vertebrate cerebral cortex, he found they were too similar to be of independent origin.

The new findings «are marvelous, so cool,» says Anne Schulp, a vertebrate paleontologist at the Naturalis Biodiversity Center in Leiden, the Netherlands, who wasn't involved in the research.

«Among other proteins, we managed to find collagen, one of the most important proteins in the bodies of animals in general, and in vertebrates in particular.»

Genetic traces similar to those in vertebrate brains have been found in lowly worms, but not all scientists are convinced that complex brains were already in the works more than 500 million years ago

Wear patterns suggest its owner chewed on hard or bony animals like the frogs and turtles whose fossils were found in the same quarry in Queensland, Australia (Journal of Vertebrate Paleontology, vol 33, p1).

Describing the find at a meeting of the Society for Vertebrate Paleontology in Pittsburgh, Pennsylvania, last month, Shimada speculated that the ancient tooth might have been washed downstream to Nebraska by floods, or carried as a ritual object by early humans.

Candidate at the University of Alberta, will present the team's research findings at the annual meeting of the Society of Vertebrate Paleontology, held this year in Calgary, Alberta (Canada) on Friday, Aug. 25th.

The new findings appear in the Journal of Vertebrate Paleontology.

The team's findings are «pretty convincing to me,» says Anthony Stuart, a vertebrate paleontologist at Durham University in the United Kingdom.

The researchers also show that modern deforestation has left us with an estimated extinction debt of 144 vertebrate species found only in tropical forests.

Chytrid fungi have not previously been found to parasitize vertebrates, says Green, but some live freely in water or soil and attack plants and insects.

«We have already found several gene types that are dramatically expanded in the octopus relative to other vertebrates, and we think they play a critical role allowing a new level of neuronal complexity to be reached in invertebrates,» he said.

«But obviously, the fly wing and the vertebrate arm are so different that somewhere you have to start finding differences, and we have found the first: Engrailed controls Radical fringe in chicks, which it doesn't do in flies.»

For her PhD, Viglietti studied the fossil - rich sediments present in the Karoo, deposited during the tectonic events that created the Gondwanides, and found that the vertebrate animals in the area started to either go extinct or become less common much earlier than what was previously thought.

The new findings «show that baby dinos didn't have to be tiny versions of the adult,» says Thomas Holtz, Jr., a vertebrate paleontologist at the University of Maryland in College Park.

Small fossils about 220 million years old found along steep red slopes in Colorado represent a near - relative of modern animals called caecilians, says vertebrate paleontologist Adam Huttenlocker of the University of Southern California in Los Angeles.

This minute amphibian, found in 2009, is the latest in a string of miniature vertebrates discovered in the past few years.

Their findings suggest that even the earliest animals had the makings of both vertebrate and invertebrate visual systems, and that some of the photoreceptor cells in the invertebrate brain were transformed through a series of steps into vertebrate eyes.

Read previous Zoologger columns: Horror fly returns from the dead, Even parasitic worms have a divided society, Shrimp plays chicken with its sex change, Death by world's longest animal, Live birth, evolving before our eyes, Sympathy for the piranha, The world's most fecund vertebrate, Whale - eater's helpful sulphur - powered guests, Horror lizard squirts tears of blood, Secret to long life found... in a baby dragon

The findings are «a very important contribution in addressing who turtles are related to, as well as the evolutionary origin of the turtle shell,» says Tyler Lyson, a vertebrate paleontologist at the Denver Museum of Nature & Science who was not involved with the study.

In the Gobi Desert of northern China, Xing Xu of the Institute of Vertebrate Paleontology and Paleoanthropology accidentally stumbled upon a gigantic one - and - a-half-ton dinosaur while filming a documentary about a previous find.

«These findings demonstrate a single origin of gills that likely corresponds with a key stage in vertebrate evolution: when some of our earliest relatives transitioned from filtering particles out of water pumped through static bodies to actively swimming through the oceans,» says lead author Dr Andrew Gillis, a Royal Society University Research Fellow in Cambridge's Department of Zoology, and a Whitman Investigator at the Marine Biological Laboratory in Woods Hole, US.

Dr. Xiaoming Wang, Curator and Head of Vertebrate Palaeontology at the Natural History Museum of Los Angeles County and Dr. Denise Su, Curator & Head of Paleobotany and Paleoecology at the Cleveland Museum of Natural History have published a paper with colleagues in the Journal of Systematic Paleontology on the discovery of one of the largest otter species ever found.

The find makes Jeholornis unique, as it combines an ancestral long tail with a fan of feathers at its base that resembles the tail feathers of modern birds, says Zhonghe Zhou of the Institute of Vertebrate Palaeontology and Palaeoanthropology in Beijing.

«The surprising find from Elko County in northeastern Nevada is one of the most completely preserved vertebrate remains from this time period ever discovered in the United States,» emphasizes Carlo Romano, lead author of the study.

Image - forming eyes are found in certain mollusks, bi-valves, most arthropods and nearly all vertebrates.

These locomotion centers are to be found in most vertebrates.

In April, researchers at the University of Birmingham reported finding dentine — another trait of vertebrates — in the hard, toothlike apparatus of a conodont's moutIn April, researchers at the University of Birmingham reported finding dentine — another trait of vertebrates — in the hard, toothlike apparatus of a conodont's moutin the hard, toothlike apparatus of a conodont's mouth.

«Only three interventions — severely cutting the number of calories consumed, restricting the amount of methionine (a type of amino acid found in meat and other proteins) in the diet and using the drug rapamycin — have been shown to truly prolong the lifespans of vertebrates, but eating less and not eating meat will not be welcomed by general population, while rapamycin has shown to suppress the human immune system,» Liu said.

Stuart Nixon of Fauna & Flora International (now at Chester Zoo where he has continued his analysis of the survey data), one of the co-authors involved in the study stated, «Grauer's gorilla is found only in the eastern Congo — one of the richest areas on our planet for vertebrate diversity.