Sentences with phrase «about cell division»

To date, yeast has taught scientists a lot about cell division and DNA repair, processes that go wrong in cancer.

@Adelina: Your post about cell division is logically flawed.

Not exact matches

Honda established a division late last year to develop electric vehicles (EVs) as part of its long - held goal for lower - emission gasoline hybrids, plug - in hybrids, EVs and hydrogen fuel cell vehicles (FCVs) to account for two - thirds of its line - up by 2030, from about 5 percent now.

Henikoff told Malik about his work with proteins — histones — that attach to the central regions of chromosomes — centromeres — during cell division, maintaining adhesion between chromosomes most of the time, but also playing a role when the chromosomes are pulled apart to prepare them for duplication.

Austad recalls one conversation in which Muller made an insightful connection about telomeres, the DNA - and - protein caps at the ends of chromosomes that shorten with every cell division, eventually pushing cells into a nondividing state called senescence.

Since the algae reproduces by cell division about once per day in the laboratory, numerous genetically identical cultures could be derived from the isolate.

This new insight into how chromosomes are disassembled and reassembled during cell division will allow researchers to begin answering basic questions about epigenetic inheritance, as well as human disease such as chromosome disorders and cancer.

According to Eckmann, «The special thing about these processes is that they involve known molecules with very long evolutionary histories, previously receiving attention as suppressors of tumour formation within the context of normal cell division.

«There has been ongoing debate about whether the methylation mark can be passed on through cell divisions and across generations, and we've now shown that it is,» said corresponding author Susan Strome, a professor of molecular, cell and developmental biology at UC Santa Cruz.

«While we don't yet know why this happens, it's so remarkable that it tells us something fundamental about telomeres and cell division.

One day, the cell division in one of the flasks seemed to be slowing down, and after about the 40th doubling, the cells stopped reproducing.

A single yeast cell normally goes through about 30 cell divisions in its five - day life span.

Gottschling noticed that after about 25 cell divisions — the equivalent of middle age in humans — DNA errors in daughter cells started appearing 100 times faster than normal.

We started this research about 3 years ago, but we were fortunate to be able to identify a triarylmethane compound that can rapidly inhibit cell division in plants,» he continues.

«As a result of screening about 200 compounds, we found that (3 - furyl) diphenylmethane (chem7), which is a triarylmethane that contains 2 phenyl groups and a furyl (a 5 - membered aromatic ring containing 4 carbons and an oxygen atom in the ring) group, had strong inhibitory activity on plant cell division,» says Ueda.

To find out more about how RNAi works, a team led by biochemist Scott Hammond of Cold Spring Harbor Laboratory in New York picked double - stranded RNA known to interfere with a gene involved in promoting cell division.

Her hope is that this fundamental understanding of Stentor's regeneration process will help clarify the connections between regeneration and cell division, leading to new, broader insights about how cells produce and maintain their shape.

Now known as a blastocyst, the embryo undergoes a dramatic division of cell fate, forming a distinct outer layer of cells and an equally distinct bulge of about 20 or 30 cells on the inside.

They hope to add to knowledge about the little - understood workhorses inside cells that are critical to cell division as well as cargo transport.

Biologists who study the mechanics of cell division have for years disagreed about how much force is at work when the cell's molecular engines are lining chromosomes up in the cell, preparing to winch copies to opposite poles across a bridge - like structure called the kinetochore to form two new cells.

«But we don't yet know much about the mechanical side of things, and cell division is a very mechanical process.»

For example, a gene called p53, which normally acts as a brake on cell division, turns out to be mutated or lost in about half of all tumours.

Finally, the MTs gathered around the nucleus after about 18 hours and distributed the chromosomes, eventually leading to cell division after about 22 hours,» she continues.

«To create this sophisticated system of checks and balances, we also made sure that the kill switches themselves remained fully intact, which is an important prerequisite for future applications; we verified that they were still functional after about 140 cell divisions.»

The team «Systems Biology of Cell Polarity and Cell Division (CNRS, IPGG, Institut Curie)», manages by Matthieu Piel, CNRS research director, published in Science about ESCRT III and its role when...

Since these proteins are known to be involved in the regulation of cell division, this study seeks information about their influence in regulating cell proliferation in the human corneal endothelium.

The first talk of the meeting was by Juergen Knoblich, and it was great to hear about his current projects, using Drosophila genetics to understand cell cycle exit and quiescence plus the contribution of changing the balance of asymmetric versus symmetric divisions in development of various disorders.

Zinc acts as a catalyst in about 100 different enzyme reactions required by our body and is involved in DNA synthesis, immune function, protein synthesis, and cell division.

Because a younger person has a higher rate of cell division, once you are 20 years old, your BMR drops about 2 % every 10 years.

And while we learn some seriously concerning details about what's happening to males worldwide - a Danish study in 1992 demonstrated that sperm counts in healthy men had dropped by more than half in 50 years - with rapid cell division in sperm making them vulnerable to chemicals in the environment, especially endocrine disruptors, there is hope at hand!

Portman plays Lena, a professor specializing in the origins of division of cells and the like, who finds herself being interrogated about mysterious goings - on as the film gets under way.

Honda established a division late last year to develop electric vehicles (EVs) as part of its long - held goal for lower - emission gasoline hybrids, plug - in hybrids, EVs and hydrogen fuel cell vehicles (FCVs) to account for two - thirds of its line - up by 2030, from about 5 percent now.

Also, because of colchicine's ability to interfere with cell division, there has been some concern about bone marrow toxicity.

# 1 - Have your teen call your local division of motor vehicles and inquire about the fine for using cell phone while driving.