Sentences with phrase «during cell division»

They all cover processes affecting chromosomes during cell division.

Here they could observe the distribution of the mitochondrial genome during cell division.

His group is interested in the processes that ensure correct chromosome segregation during cell division.

The cells are the most vulnerable to cancer and other diseases during the cell division process.

The special feature of this DNA element is its positioning in precisely those genes that play a role in the chromosome distribution during cell division and thus influences them.

First, they determined how repair proteins failed to recognize and act on chromosome breaks during cell division.

The cellular muscles are also activated during cell division and cell movement.

They are preserved during cell division and are passed on to the daughter cells.

Furthermore, microtubules are the major constituents of the mitotic spindle, which mediates the orderly segregation of the replicated chromosome sets into the two daughter cells during cell division.

«We succeeded in describing in detail the machinery required for mitochondrial genome distribution during cell division in trypanosomes,» Ochsenreiter says.

Membrane remodeling typically occurs during cell division, during cell movement as it slithers around, and during vesicle formation, when a small piece buds off like what you might see in a lava lamp.

Telomeres are specialized sections of DNA that allow chromosomes to be faithfully copied during cell division.

Aneuploidy occurs when parts of chromosomes beyond the normal 46 are missing or added to a person's genetic material during cell division.

Centrioles act as anchors for the spindle apparatus, which pulls genetic material apart during cell division.

The scientists involved with this study were able to demonstrate that translocations can occur within hours of DNA breaks and that their formation is independent of when the breaks happen during the cell division cycle.

Regulator is distributed unevenly during cell division to make two functionally and structurally different cells Some species of bacteria perform an amazing reproductive feat.

But understanding the precisely orchestrated choreography that unfolds within each egg during cell division will eventually allow us to correct the errors, to ensure the production of healthy eggs that can be fertilized.

In a paper he published last summer in the journal Cell Cycle, Duesberg theorized that carcinogens might cause chromosomes to divide abnormally during cell division, creating extra copies of thousands of genes and disrupting the cellular machinery — an idea with parallels to a theory floated by Julian Huxley in 1956.

Telomeres cap the ends of chromosomes and act as protection against the loss of protein - coding DNA during cell division.

Repairing the chromosome damage during cell division caused it to be defective.

For proteins in the cytosol, the liquid inside the cell, these random molecular processes include differences in the break - down of proteins, or random partitioning into the two cells that form during cell division.

«Ladies, this is why fertility declines with age: Age - related female infertility explained by a defect in the choreography of chromosome sharing during cell division in eggs before they are fertilized.»

Mismatched centromeres can cause problems for the organism during cell division, possibly even leading to sterility in males.

«We found that the microtubules that orchestrate chromosome segregation during cell division behave abnormally in older eggs.

A portion of the telomere DNA is lost during cell division.

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.

Cancer cells often show an inability to separate chromosomes properly during cell division, due to problems with microtubules.

When enzymes copy DNA strands during cell division, they invariably make mistakes — occasionally inserting an A when they should have inserted a T, for example.

Gabriela Cabral, a PhD student in the lab of Alex Dammermann at the Center for Molecular Biology of the University of Vienna, explains: «Many people thought that centrioles are held together by the same glue as chromosomes, a substance called cohesin, which is destroyed during cell division.

Bile acids, which are produced naturally in the liver and stored in the gallbladder, support the protein production during the cell division process.

Daughter cells inherit the genetic scars during cell division.

«While these macromolecules are important for the parent cell, they pose hindrances during cell division to segregating the copied chromosomes to daughter cells properly,» said Dr. Norihiko Nakazawa, of OIST's G0 Cell Unit, the paper's first author.

Where the second type of condensin, which is present in humans and other multicellular organisms, binds during cell division is another future line of inquiry.

The approach developed by the MGH team focuses on small areas of the human genome — so - called polyguanine (poly - G) repeats that are particularly susceptible to mutation, with genetic «mistakes» occurring frequently during cell division.

«Telomeres function a bit like the plastic caps at the ends of shoelaces and protect the coding DNA from loss during cell division.

Aneuploidy originates during cell division, when the chromosomes do not separate properly or are not equally partitioned between the two daughter cells.

The three characteristics scientists use to identify a chromosome are readily visible in an ideogram: length; the banding pattern of the dye, which reflects the type of nucleotides concentrated in the chromosome; and the location of the centromere, a waistlike constriction required for proper movement during cell division.

While the role of chTOG in microtubule assembly during cell division has been widely studied, not much is known regarding TACC3 and its contribution to the process.

«Strong, steady forces at work during cell division.»

The protein — which is not known to exist in other rod - shaped bacteria or other organisms — seems to allow for asymmetrical growth in new mycobacterial cells made during cell division.

In an article published in Science this Thursday, a team of Portuguese researchers led by Helder Maiato identifies a» Highway Code» within cells, a finding that changes the way we perceive how chromosomes move during cell division.

«Our hypothesis is that maybe this sort of intrinsic mechanical property — the friction these proteins experience — helps them to get where they need to be, as well as maintain the spindle's organization and mechanical integrity during cell division,» Forth says.

Researchers think they arise from occasional mistakes during cell division, when DNA is jumbled up and copied.

The complexity of the 3 - D multicellular environment can be overwhelming, Betzig says, but the clarity of his team's imaging permits them to computationally «explode» apart the individual cells in tissue to focus on the dynamics within any particular one, such as the remodeling of internal organelles during cell division.

The plants survived the ordeal by upping the frequency of homologous recombination (genetic swapping) during cell division as expected.

By controlling the transport of histones to our DNA, TLK and Asf1 ensure that the chromatin architecture and its information are copied correctly during cell division, so that cell identity is maintained,» explains Ilnaz Klimovskaia.

Researchers led by Prof. Torsten Ochsenreiter of the Institute of Cell Biology at the University of Bern have studied the mitochondria, the «power plants» of single - cell trypanosomes, and have now discovered that these behave differently from cell power plants in humans during cell division.

However, using these cell lines it should be possible to determine in detail how the defects arise (which is difficult in patients), and perhaps how to alter the segregation of mutant versus normal mtDNA during cell division to eventually lessen the burden of abnormal mitochondria function.

In their Nature paper, Singh's team also showed for the first time that this transcriptional repression was dependent on breakdown and reformation of the nuclear membrane during cell division.