Sentences with phrase «of embryonic development»

Comparison of the data revealed that use of certain starting points differs in two phases of embryonic development in particular: Before and after activation of the embryonic genome.

The new study could provide clues to the genetic code that controls the expression of genes, and may also further our understanding of embryonic development and diseases such as cancer.

By observing how the genes changed during the course of embryonic development, scientists could track the emergence of a novel physical trait, the first step toward the creation of a new species.

Nevertheless, this type of cell has a very short lifespan, limited to the first days of embryonic development, and they do not exist in any part of an adult organism.

The study could provide clues to the genetic code that controls the expression of genes, and may also further our understanding of embryonic development and diseases such as cancer.

Many fundamental aspects of the early stages of embryonic development in humans are found to be conserved in other mammals.

Christiane Nüsslein - Volhard and Erich Wieschaus were awarded the Nobel Prize in Medicine in 1995, for the first systematic genetic analysis of embryonic development in the fruit fly, in which they identified genes responsible for the body plan of insect embryos.

Using the CAGE (Cap Analysis of Gene Expression) high - throughput method, the scientists determined the starting points of transcription of many thousands of genes in various phases of embryonic development of zebrafish.

Deciphering the processes involved in regulating gene expression is not only essential for understanding normal development, but also for comprehension of the molecular changes that occur in inborn errors of embryonic development as well as in somatic mutations that lead to cancer.

The researchers have for the first time incorporated the natural processes of embryonic development to build a material that can -LSB-...]

His group has investigated the gastrulation phase of the embryonic development, where the embryo cells diversify into different cell types and a basic body plan is established.

When cloning is successful, the adult nucleus is stripped of its epigenetic programming, and is restored to a totipotent state that can use all the genetic information present in the nucleus to orchestrate the complete program of embryonic development.

But the study of embryonic development has allowed us to peer into the machinery of making these creatures.

«Furthermore, results of our study highlight the importance of including moisture conditions when predicting embryo growth and sex ratios and in developing proxies of embryonic development.

Others have tracked the first few hours of the embryonic development of sea urchins and other organisms with the goal of seeing how various transcription factors alter gene expression over time.

Back to the beginning In the mouse, germ cells emerge just after the first week of embryonic development, as a group of around 40 PGCs.

The researchers caused stress - induced changes at an early stage of embryonic development with microRNA injections.

The generation of new nerve cells was once thought to taper off at the end of embryonic development.

But the new research suggests that these symptoms may be a late manifestation of a disease that originates much earlier, in the first steps of embryonic development.

«The new experimental techniques we used, combined with collaborative efforts of biologists and computer scientists, are allowing us to gain new insight into the exquisite accuracy of embryonic development.»

«The onset of cancer is often through reactivation of embryonic development pathways that are otherwise dormant,» he says.

RNA analysis of paternal mitochondria during early stages of embryonic development hinted that it is the cps - 6 gene that facilitates this process, which the team confirmed by studying sperm lacking cps - 6; without it, paternal mitochondria remained significantly later into the development stage.

The fossils preserve stages of embryonic development frozen in time by miraculous processes of fossilisation, which turned their squishy cells into stone.

The technique, which uses the CRISPR - Cas9 system, corrected the mutation for a heart condition at the earliest stage of embryonic development so that the defect would not be passed on to future generations.

Very soon after fertilization, the control of embryonic development shifts from pre-existing maternal gene products to the products of genes encoded by the early embryo (or zygote).

In one study, she discovered that inhibiting Aurora - A kinase, an enzyme involved in healthy cell proliferation that is often overexpressed in tumors, could decrease the spread of ovarian cancer in vitro.2 In another project, she found that the transcription factor TWIST1, which regulates aspects of embryonic development, is constitutively degraded in human cancer cells.3

The grand architecture of the human cortex, with its hundreds of distinct cell types, begins as a uniform layer of neural stem cells and builds itself from the inside out during several months of embryonic development.

My major findings were that 1) raised temperatures increased the proportion of abnormal embryos, decreased larval lifespan and increased the rate of embryonic development, 2) coral embryos from higher latitudes possessed greater thermal tolerance ranges and 3) the mode of larval development and corallite size were predictors for the differences in coral cover between the Great Barrier Reef and Lord Howe Island.

LifeMap Discovery ® is a compendium of embryonic development for stem cell research and regenerative medicine, constructed by integrating extensive molecular, cellular, anatomical and medical data curated from scientific literature and high - throughput data sources.

Three - dimensional visualization of embryonic development using comprehensive image reconstitution of two - dimensional sections.

Instead of waiting for the program to end, we spent the past decade showing that HARs are key regulators of embryonic development.

In this study, the team delved deep into the nucleus of cells belonging to mouse and zebrafish embryos — two important animal models of embryonic development — in order to determine how the Dll4 gene is turned on.

This current is a natural adjunct of embryonic development, present in all wild - type hair cells but declining after birth with emergence of the normal - polarity current.

In the process new visual languages, commodities and life forms are being generated reflecting back to us our often violent entanglement with the world: patterns of embryonic development in mutated lab - test worms, live - streamed flows of CO2 gas across the planet, or a group of near - extinct animals passing by a tree and noticing the tracking camera.

1995 - Christiane Nüsslein - Volhard and Eric Wieschaus receive the Nobel Prize for Medicine for the first systematic genetic analysis of embryonic development in the fruit fly — research conducted at EMBL Heidelberg.

Perhaps the most astonishing stage of pregnancy is that of the embryonic development as your unborn child goes from being the size of a sesame seed and looking like a tadpole to being the size of a kidney bean with some neck definition and tiny webbed fingers and toes.

Now, a collaborative team of scientists at Washington University in St. Louis has developed a new process to generate NP - like cells from hiPSCs, one that truly goes back to the beginning and mimics the process of embryonic development.

This complex society may be said to begin with conception, or with a late stage of embryonic development, or with early childhood, depending upon the purpose which determines what one takes as its defining characteristic.

Because the possibility of «twinning» exists for that long in the first stages of embryonic development, one could argue that no individual human being can yet be present - and that, hence, experimentation should be permitted.

I have decided to break this topic down into 3 parts: How to Incubate Chicken Eggs with Kids, Stages of Embryonic Development and Activities to do while Incubating, and finally The Hatch and Going Home.

«This burst of genetic changes happens only during the early stages of embryonic development and then it stops,» Liu said.

After fertilization, these maternally supplied mRNAs can be translated into proteins required for the early stages of embryonic development, before the embryo is able to produce mRNAs and proteins of its own.

To investigate whether maternally supplied gdf3 mRNA also plays a role in left - right patterning, the researchers used a series of experimental tricks to supply embryos with enough Gdf3 protein to form the mesoderm and endoderm and survive until the later stages of embryonic development.

Their Kupffer's vesicles were abnormally symmetric in shape, and southpaw expression was greatly reduced, suggesting that gdf3 is also required for optimal Nodal signaling during later stages of embryonic development.

This happens particularly often during the stage of embryonic development, but it can also occur in tumors when they form metastases.

Cambridge University biologists have cracked the so - called «black box» of embryonic development, a mystery which has long puzzled scientists.

On the basis of new analyses of embryonic development, the Swiss biologists evidenced molecular and micro-anatomical signatures that are identical between hairs, feathers and scales at their early developmental stages.

In unpublished work presented at the meeting, Barna and colleagues also found that certain ribosome varieties may be important at different stages of embryonic development.

The orientations of the grid correspond to up - down, right - left and front - back body axes laid down in the earliest stages of embryonic development, Wedeen says.