Sentences with phrase «in cell nuclei»

The conventional view of cancer is that it is caused by DNA mutations in the cell nuclei.

They even have influence over the DNA in your cell nuclei, and change and evolve during your lifetime, giving you an unexpected source of adaptability to cope with a world in flux.

Their work on the fruit fly revealed brief surges in calcium levels in the cell nuclei of certain neurons during learning.

6 Most of that DNA resides not in the cell nuclei, which control heredity, but in our mitochondria, the organelles (units within cells) that generate metabolic energy.

A friend of mine (she now has two PhDs, both from excellent institutions) implied that I was a racist and colonial imperialist because I stated that your eye colour is dependent on the DNA in your cell nuclei WHETHER YOU»VE EVER HEARD OF DNA OR NOT (ie, DNA exists whether you believe in it or not).

Many of the mutations in ASD, Yan explained, result from chromatin remodeling factors, which are involved in dynamically changing the structure of chromatin, the complex of genetic material in the cell nucleus that condenses into chromosomes.

Each cell carries this information tightly packed on a two - meter long DNA strand in the cell nucleus and specific epigenetic mechanisms control access to the «blueprint of life».

The analysis revealed that the human genome is organized into large pieces of low or high epigenetic stochasticity, and that these regions correspond to areas of chromosomes that are structurally different in the cell nucleus.

Another important epigenetic mechanism is that the proteins that are packed together with DNA in the cell nucleus, called histones, can be chemically modified in their tails.

In its normal state, a cell's DNA is distributed in the cell nucleus over a relatively large area.

Their next step is to try to sequence the DNA in the cell nucleus, where most of an organism's genetic material is located.

Thanks to this transmission route, human and animal cells respond to external signals and specifically activate selected genes in the cell nucleus.

In 1975, Hayflick and graduate student Woodring Wright proved the counting device was in the cell nucleus, but they didn't have the technological tools to unlock the precise mechanism.

«We demonstrated that alpha - KGDH interacts with Gcn5 in the cell nucleus and found that tumor cell proliferation and tumor growth were inhibited when alpha - KGDH was blocked from entering the cell nucleus or by disruption of Gcn5's binding to succinyl - coenzyme A,» said Lu.

«Autophagy works in cell nucleus to guard against start of cancer.»

One such example, Thomas said, are modifications of specialized proteins called histones, which are responsible for packaging DNA in the cell nucleus and influencing how genes are regulated.

Neurobiologists at Heidelberg University have identified calcium in the cell nucleus to be a cellular «switch» responsible for the formation of long - term memory.

Choudhury and colleagues designed a series of experiments to find that DAZAP1 binds to a number of other proteins in the cell nucleus and promotes alternative splicing.

The instructions for the synthesis of proteins are stored in the DNA in the cell nucleus, are first «transcribed» into mRNAs, and exported from the nucleus to the ribosomes in the cell cytoplasm.

Ultimately, these signals change the expression of genes in the cell nucleus, causing the cell to grow abnormally.

«FAN1 interacts with many different components in the cell nucleus and might be implicated in more genetic processes than what we previously thought,» Smogorzewska says.

The rest reside in the cell nucleus and ship proteins to the mitochondria.

Roger and his colleagues struck a blow to the old hypothesis by looking for genetic traces of bygone mitochondria lingering in the cell nucleus of select parasites.

In the cell nucleus, it degrades viral DNA to prevent it from getting copied.

Replacing or altering genes in the cell nucleus is much trickier.

Mitochondria generate energy in our cells and have their own set of DNA, which differs from that in the cell nucleus.

He is now looking for similar changes in DNA in the cell nucleus, which contains most of the genes critical for a species» survival.

Apart from that, the team has managed to show that the ANKRD55 proteins reside in the nuclei of the cells, and that suggests that they could play a significant role in the specific processes that take place in the cell nucleus such as gene transcription.

We're manipulating genes in the cell nucleus to produce specific proteins, changing the normal recipe for growth and maturation, and transforming adult cells into a new type of cell with the ability to morph into any other cell type,» said Cooke, senior author and chair of the Department of Cardiovascular Sciences.

The first mechanism can be discounted because it would require very large amounts of genetic information — much more than could be encoded in the entire complement of DNA in the cell nucleus of each neuron.

According to Karsten Rippe, the largest obstacles were densely packed areas of DNA in the cell nucleus.

Chromosomes and genes are non-randomly positioned in the cell nucleus and the vision of a dynamic and complex organization of the nucleus is replacing the classical view of genomes as linear sequences.

Swiss researchers provide evidence that a protein in the cell nucleus responds to environmental stimuli like a kind of sensor,...

This protein was previously thought to be located in the cell nucleus and to be involved in DNA repair.

A seventh paper provides a first look at the three - dimensional structures of synthetic chromosomes in the cell nucleus.

Histones are proteins that wrap our DNA like strings on beads and facilitate packing of DNA 10 000 fold to fit in the cell nucleus.

DNA lives in the cell nucleus and consists of thousands of genes, each one holding the code, or «blueprint,» for building a particular protein molecule and thus ensuring a certain cell function performed by that protein.

This process, known as transcription, takes place in the cell nucleus.

In this new study of early Drosophila embryos, the researchers observed two non-mixing liquids in the cell nucleus: one that contained expressed genes, and one that contained silenced heterochromatin.

In much the same way, our cells guard our DNA in the cell nucleus.

All information about the human genome is stored in the DNA sequence in the cell nucleus, and was mapped in the early 2000s.

Protein production, in turn, is controlled by DNA in the cell nucleus.

DNA (deoxyribonucleic acid) is the genetic material that controls heredity and is located in the cell nucleus.

Not exact matches

It is far more likely, however, that the egg - cell cytoplasm with its stripping factor will reprogram all the genetic material including the alterations made in the donor nucleus that were intended to prevent the creation of the zygote.

The second biological objection is that «the egg - cell cytoplasm» will «reprogram all the genetic material including the alterations made in the donor nucleus that were intended to prevent the creation of the zygote.»

This hypothesis underestimates the opposing power of the egg cell cytoplasm to reprogram the genes in the donor - cell nucleus.

The OAR proposal uses a variation of therapeutic cloning called altered nuclear transfer (ANT) in which the nucleus of a donor cell (a skin cell, for example), containing the 30,000 genes of the genetic code, is altered in such a way that it produces an epigenetic factor, a protein called nanog.

Molecular biology, contrary to the article, does not support evolution by natural chance because evolution can not occur without inheritance, inheritance can not occur without DNA and DNA is so complex it could not have evolved by chance unless we are to assume that molecules just happened to arrange themselves into the DNA molecule at the same times as a nucleus formed to hold the DNA, at the same time as the cell membrane just happened to form around it, at the sametime as all the cell maintaining process in the cytoplasm just happened to come into existence to form a single cell and that all these aspects just happened to come together and work harmoniously.

As specialized cells are generated during embryonic development, they are programmed to use only a limited amount of the total genetic information present in the nucleus to produce the proteins required for their particular function.

It is the DNA located in biological structures called mitochondria, not the DNA contained within the cell nucleus which we normally think of when we refer to «my DNA».