Sentences with phrase «vertebrates used»

French law N ° 2001 - 486 of June 6th 2001 being the official French publication of the European Convention concerning the protection of vertebrates used in experiments or for other scientific purposes (convention adopted in Strasbourg March 18th 1986 and signed by France on September 2nd 1987).

Fossils suggest the most primitive jawed vertebrates used internal fertilization, not spawning

What the ancient lizard did with these organs isn't known, but some modern vertebrates use the amplified photosensitivity they glean from the pineal glands to navigate.

«We're seeing more and more often now that [fruit flies] and vertebrates use the same signaling pathways over and over again in many stages of development.

Not exact matches

Our ancestors were aquatic vertebrates which used gills to breathe.

2) It appears that god only asked to take the land vertebrates on the ark, the inverts died or survived by themselves by clinging to floating stuff, flying, using air pockets in earth or something like this.

«Re-examination of old fossils using new techniques is just as important for revitalizing our understanding of vertebrate evolution.»

Although many insects do this, manakins are unique among vertebrates in using stridulation, says Bostwick.

We have discovered that they use tools in loose soil, that they use a kind of tool not previously described (grass stems), and that they hunt for vertebrates (lizards).

This is the rock band's second major contribution to science; as you'll recall, the band revolutionized vertebrate biomechanics in 1983 with their discovery that women possess legs and know how to use them.»)

It's certainly possible that Chilesaurus is something other than a theropod, «but the analysis they use to test this is problematic,» says Martin Ezcurra, a vertebrate paleontologist at the Argentine Natural Science Museum who was an author on the original Chilesaurus paper.

Necessity Is the Mother of Invention: SciJobs.org As a graduate student, Plautz used cellular and molecular biology techniques to examine the interactions that lead to lens and eye formation in vertebrates such as frogs.

Using a new analytical method, they identified which vertebrate species the bugs had parasitized by isolating fragments of DNA left over from blood meals.

Mortelliti, who holds degrees from the La Sapienza (University of Rome), is an Assistant Professor in Wildlife Habitat Conservation at the University of Maine, where his lab's research is focused on the impact of land - use change on vertebrate species (mammals and birds).

Hughes's winning research proposed using microarray techniques to compare the genomes of a variety of vertebrate animals to test for common regulatory elements that determine gene expression.

A team led by Xing Xu at the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing used computer software to examine evolutionary relationships among early birds and related dinosaurs, based on 374 skeletal characteristics.

Using a combination of satellite and ground data, the team can map multiple indicators of monkey distribution, including human activity zones as inferred from roads and settlements, direct detections from mosquito - derived iDNA, animal sound recordings, plus detections of other species that are usually found when monkeys are present, such as other large vertebrates.

Some animals — for instance the cyclothone, the most common vertebrate in the world — even use light as camouflage during the day as they move about more than 1,000 feet beneath the surface.

The technique, named cell type specific labeling using amino acid precursors (CTAP), exploits the inability of vertebrate cells to synthesize essential amino acids normally required for growth and homeostasis.

For each major vertebrate group, ancient and modern (and with no particular emphasis on ours), Bonnan examines the skeleton to see how structure relates to function using plain analogies: basic body plan is likened to a car chassis, jaws to scissors or nutcrackers, eyes to camera lenses.

«As we found here, those developmental processes are still used to build the skeletons of many vertebrate groups, including humans.»

Since two of the three related groups use only somites in vertebral development, Criswell concluded that the common ancestor for all jawed vertebrates had a backbone derived from somites.

In existing vertebrates, genome size correlates very closely with bone cell size, so Organ used the size of dinosaur bone cells to predict how much genetic material the extinct animals possessed.

«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.

Tunas are the first vertebrates known to use lymph in locomotion.

Author Dr Charles Deeming, from Lincoln's School of Life Sciences, explained: «These results indicate that egg shape can be used to distinguish between different types of egg - laying vertebrates.

Long discusses his use of autonomous robotic fish to study vertebrate biomechanics and evolution.

The zebrafish is used as a model organism for research into the embryonic development of vertebrates.

They used the fossilized gut contents to prepare the first complete documentation on the gastrointestinal anatomy of this primitive vertebrate.

«Branchial rays will figure prominently in the story of the evolutionary origin of vertebrate animal appendages, either by shedding light on the evolutionary antecedent of paired fins / limbs, or by teaching us about the genetic mechanisms that animals can use to invent new appendages,» Gillis says.

He added: «The fact that all vertebrates regenerate their teeth in the same way with a set of conserved stem cells means that we can use these studies in more obscure fishes to provide clues to how we can address questions of tooth loss in humans.»

«We use zebrafish to study Alagille syndrome because these vertebrates allow us to use experimental approaches that aren't possible with other disease models,» says Duc Dong, Ph.D., assistant professor in the Human Genetics Program at SBP and senior author of the paper.

Zebrafish (pictured above) are often used as a model for studying vertebrate development.

The team suggests that using geospatial data like this could help clarify the threat status of many species — not just birds, but plants and vertebrates, too.

The Donald Brown laboratory uses amphibian metamorphosis to study complex developmental programs such as the development of vertebrate organs.

He has made fundamental contributions to our understanding of vertebrate developmental biology and microRNA - based gene regulation using the model organism zebrafish.

«Our study reveals a spectrum of methods that nature uses to allow organisms to adapt to different environments,» said senior author Kerstin Lindblad - Toh, Scientific Director of Vertebrate Genome Biology at the Broad Institute: «These mechanisms are likely to be also at work in humans and other vertebrates, and by focusing on the remarkably diverse cichlid fishes, we were able to study this process on a broad scale for the first time.»

In the 1970s, George Streisinger, a scientist at the University of Oregon, was interested in using a vertebrate model organism that was simpler than the mouse and easy to manipulate genetically.

Risk Assessment Form (3) Required for projects using hazardous chemicals, activities or devices, and some PHBA's including protists, composting, coliform test kits, decomposition of vertebrate organisms and microbial fuel cells and must be completed and signed by the DS or QS prior to student experimentation.

Tail use improves soft substrate performance in models of early vertebrate land locomotors.

The main focus is to understand how cell biology drives morphogenesis using vertebrate eye formation as a model and zebrafish as main experimental organism.

Using a variety of invertebrate and vertebrate model systems, the INMG is conducting an integrated multidisciplinary research from gene to physiological functions.

He is particularly interested in using the principles of biomechanics to better clarify behaviour in extinct vertebrates, e.g., how animals stood and moved, walked or ran.

Howard Hughes Medical Institute researchers have harnessed a mobile gene from the cabbage looper moth and modified it for routine use to determine the function of genes in mice and other vertebrates...

The biological species concept, according to which a species is a set of interbreeding organisms, is the most widely used definition, at least by biologists who study vertebrates.

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

Dr Shi has been studying the molecular basis of thyroid hormone regulation of vertebrate development by using Xenopus metamorphosis as a model system.

As part of the study, published in the journal Science Advances, researchers used fossil records and documented the extinction of vertebrates.

Furthermore, the animal experimentation follows the European Convention for the protection of vertebrate animals used for experimental and other scientific purposes (ETS No. 123) with its appendix A. All animal experiments are and will be carried out in full accordance with the Law and the Decree, which state that the work with animals is carried out only under specific authorizations that include licenses for the personnel, housing of the animals, and also individual experiments.

Among vertebrates, the fish model displays easy high density breeding (short generation time), favourable biological peculiarities (accessibility and transparency of the eggs, genome sequenced for both species used on the platform), original technological approaches (confocal and two - photon microscopy), as well as a wide accessibility to fully transparent larvae usable up to 5 days after fertilization.