Articles tagged with Daughter Cells
Researchers have discovered a mechanism for kinetochore formation that does not rely on the traditional centromere protein CENP-A. CENP-C and CENP-T/W complexes can direct functional kinetochore assembly, enabling accurate chromosome segregation. This breakthrough has implications for generating human artificial chromosomes.
Researchers at UMass Chan Medical School discovered a new function of the cilia protein IFT88 in mitosis, which could contribute to ciliopathies such as primary ciliary dyskinesia and polycystic kidney disease. IFT88 plays a transport role during mitosis, similar to its function in cilia formation.
Researchers discovered a protein necessary for normal cell division in blood-forming stem cells, which resulted in abnormal numbers of chromosomes and high rates of cell death. This finding highlights the metabolic differences between stem cells and other blood-forming cells.
Researchers have isolated and observed the kinetochore, a molecular complex that pulls chromosomes apart during cell division, outside of cells. The kinetochore's precise mechanism involves a balance of tension and disassembly to ensure accurate DNA replication.
Johns Hopkins researchers have identified a protein mechanism that coordinates and regulates the dynamics of shape change necessary for cell division. The discovery has immediate medical implications, as cell division is a major target of anticancer drugs.
Researchers at Lawrence Berkeley National Laboratory have produced a subnanometer resolution model of human Ndc80, a protein complex essential to mitosis. The study reveals how Ndc80 binds microtubules and self-associates via interactions mediated by the amino-terminal tail.
Researchers reveal the structure of CENP-A, a molecule that plays a central role in DNA duplication and equal distribution into two daughter cells. The study provides insights into how CENP-A marks centromere location on each chromosome.
Researchers have discovered a crucial protein controlling cell division and acquisition of characteristics in plants. This breakthrough provides new insights into the co-ordination of cellular processes and may have implications for animal biology and organ formation.
Researchers found that bacteria release extracellular DNA (eDNA) when relatives die, which inhibits the sticky holdfasts of living cells from adhering to surfaces. This allows surviving cells to escape established colonies and outcompete each other for better conditions.
Researchers have discovered a new stem cell in the developing human brain that produces nerve cells forming the neocortex, the site of higher cognitive function. The study sheds light on developmental diseases such as autism, schizophrenia, and Alzheimer's disease, and could lead to novel therapies.
Researchers at MIT and Harvard developed a new sensor to measure the rate of cell mass accumulation, finding that individual cells exhibit varying growth rates. The discovery sheds light on how cells control their growth, with implications for understanding cancer development.
Researchers find random gene expression changes during early differentiation, but stability increases by a factor of 100 after nine generations. This discovery sheds light on the mechanisms behind epigenetic inheritance and its impact on stem cell research.
Researchers at the NIA have discovered a key to ES cell rejuvenation in the gene Zscan4, which restores telomere length through recombination. This process enables infinite generations of functional ES cells, offering new insights into aging research and regenerative medicine.
Researchers at Rensselaer Polytechnic Institute have developed a new method to predict the fate of stem cells using advanced computer vision technology. With up to 99 percent accuracy, this method can forecast how cells will divide and what characteristics their daughter cells will exhibit.
Scientists have discovered a mechanism by which yeast cells transport damaged proteins to mother cells using conveyor-like structures called actin cables. This process ensures that newly formed daughter cells are born without age-related damage, paving the way for potential treatments of age-related diseases.
Actin's behavior has been studied using inhibitory agents and hormones to induce a state of fluctuation in yeast cells. The findings suggest that mitochondria recruit actin-related proteins to assemble into extended fractal-like structures, coordinating movement and supporting the idea that intracellular transport is achieved through a...
Researchers discovered a connection between rare testicular tumors and severe childhood genetic disorders, suggesting that older fathers' genetic mutations may increase the risk of affected children. The study highlights the role of 'selfish' mutations in sperm production, which can lead to serious conditions in offspring.
Mother and daughter cells differ in gene expression and regulation, leading to varying cell cycles. Researchers found that proteins Ace2 and Ash1 control the commitment to divide, with daughters receiving these proteins at birth.
Xiaoqi Liu's research found that cytoplasmic linker protein-170 plays a major role in proper cell duplication and DNA distribution. The absence of this protein can lead to uneven DNA distribution, resulting in cancerous cells. Without proper regulation, cells may become confused, leading to an increased chance of becoming cancerous.
Johns Hopkins researchers find two force-sensitive proteins, myosin II and cortexillin I, cooperate to sense cell shape disturbances and resculpt cells for smooth division. This discovery could lead to new targets for diagnosing and treating diseases like cancer.
Notch signaling plays a crucial role in determining cell fate in fruit flies. A study found that mutations in the WASp gene affect T-cell function, leading to Wiskott-Aldrich syndrome. The researchers suggest that defects in Delta presentation could explain the loss and dysfunction of T-cells in patients with the disorder.
Scientists at Stanford University have discovered a plant protein called BASL that plays a key role in asymmetric cell division, a process vital for creating different types of cells in plants. The discovery sheds light on the unique mechanisms used by plants to control cell growth and development.
Researchers in France and Austria have created a strain of plant called MiMe, which produces genetically identical pollen and eggs through mitosis instead of meiosis. This breakthrough has the potential to simplify the creation of stable new mutant crops, paving the way for more efficient crop improvement and propagation.
Cancer cells have been found to rarely undergo explosive divisions, with resulting daughter cells often surviving only a few days. The extra centrosomes cause an unequal pull on some chromosomes, leading to chromosomal instability and irregular numbers of chromosomes.
Researchers at the University of Oregon have identified a key mechanism by which an enzyme (aPKC) directs the fate of daughter cells in stem cell divisions. This simpler process, rather than a long cascade of events, helps determine the fates of subsequent cells.
Researchers have identified two proteins, dynein and Nudel, as crucial for regulating the assembly of the spindle matrix during mitosis. This finding broadens our understanding of how cells control critical events during division. Understanding spindle assembly is essential to comprehend cell fate choices and development.
A team of researchers has identified a crucial mechanism in cell division, which could lead to improved cancer therapies with fewer side effects. By understanding how the contractile ring pinches cells into two daughter cells, scientists can develop more targeted treatments.
Biologists have found a critical mechanism in cell division, promoting cytokinesis completion by down-regulating branched microfilaments. The discovery uses roundworms and provides insight into protein interactions and signaling mechanisms.
Researchers discovered a new mechanism for cell division in Sulfolobus acidocaldarius, revealing three proteins that form a band-like structure over the cell equator. This unique process could lead to new insights into ESCRT proteins and their role in protein transport within cells.
Researchers at Uppsala University have identified a novel cell division mechanism in Sulfolobus acidocaldarius, which may provide insights into human cell biology and evolutionary history. The discovery of three genes that form a sharp band between chromosomes suggests a unique process for cell separation.
The Rong Li Lab discovered that chromosomes recruit formin-2 to promote actin filament formation around chromosomes, driving chromosome movement and asymmetric cell division. This process allows the oocyte to retain most of its cytoplasm while the polar body receives minimal amounts.
Researchers at the University of Utah have identified two early steps in adult stem cell differentiation using DNA 'tattoos' on planarian cells. The study found 259 genes associated with stem cells and their daughters, shedding light on how multipotent stem cells take differentiation decisions.
Researchers discovered a new mechanism for cell fate determination in yeast cells, showing how the daughter cell becomes dramatically different from its mother. The Ace2 gene regulator is trapped in the daughter nucleus, turning on genes that make it distinct.
A Northwestern University study has discovered a new mechanism for cell fate determination in yeast cells, showing why mothers and daughters express genes differently. The researchers found that a protein regulator gets trapped in the daughter nucleus, turning on genes that make it distinct from the mother.
A new study sheds light on how centromeric protein E (CENP-E) orchestrates chromosome movements at a critical stage of cell division. The researchers used a technique to watch CENP-E move along its microtubule tightrope, making key observations about its movement and force production.
Researchers at the University of Bath discovered that RASSF7 is crucial for building microtubules during mitosis, a process that allows cells to divide in two. Without this protein, cell division is halted, highlighting its potential as a future cancer treatment target.
Researchers at Whitehead Institute have modeled the complete process of nucleus ejection in mature red blood cells, revealing key proteins involved. The discovery sheds light on an essential step in mammalian evolution and may lead to insights into genetic disorders.
Researchers, led by Dr. Quansheng Du, are studying the complex process of cell division to understand how it can be targeted for cancer therapy. They focus on the mitotic spindle and its role in asymmetric cell division, which may lead to the development of cancer stem cells.
A new study published in PLOS Computational Biology suggests that the inefficient process of replacing worn-out cells is a defense against cancer. The researchers found that multicellular organisms use a complex system to replace lost cells, which suppresses mutations that could lead to uncontrolled cell growth.
Researchers at Yale University discovered how molecular muscles assemble a 'contractile ring' to divide cells, using a 'search, capture, pull and release' mechanism. The mechanism involves protein clusters on the inside of the cell membrane that grow and connect, forming a condensed ring.
Scientists at GIS found that DNA replication efficiency increases later in the S-phase, suggesting a novel approach for studying human biology and stem cell research. The discovery could lead to more efficient analyses and tests related to cellular replication.
Researchers used specially modified yeast to study the molecular events necessary for establishing and maintaining centromeric heterochromatin, a specialized DNA structure at the chromosome's centromere. The findings provide insight into how cells ensure each daughter cell receives the correct number of chromosomes.
Scientists at EMBL discovered that microtubule interactions with the cell cortex drive asymmetric cell division in nematode worms. The study reveals a pulling force generated by cortical filaments, which could apply to other organisms and contexts such as stem cell renewal.
Researchers at UNC School of Medicine have discovered a cellular mechanism that regulates DNA replication after exposure to UV radiation, potentially offering new protection against skin cancer. The study identified two proteins, Timeless and Tipin, which form a complex to slow down DNA replication in response to damage.
Scientists have discovered how immune cells decide to respond to infections by either fighting to the death or becoming the body's memory for future infections. The research reveals that immune cells can take divergent paths, leading to a more targeted approach to developing vaccines.
Stem cells in fruit fly gut use Notch signaling to replenish specific cell types, with Delta protein controlling cell fate and division. This finding transforms basic understanding of stem cells and could prove valuable in cancer research.
Cambridge scientists have discovered that differences between embryonic cells appear earlier than previously thought, before the fourth cleavage of the embryo. The study suggests that manipulating epigenetic information in histone H3 can influence cell fate determination.
Researchers found that antisense RNA molecules protect sex cells from self-destructing by blocking sense RNA production. This discovery reveals a new process of gene regulation and its potential application to mammals.
Scientists at the Salk Institute discovered a link between cell size and growth in algae, which may provide new clues to cancer. They found that cells need specific proteins to divide on schedule once they reach a critical size.
Researchers discovered that molecular motors use one-dimensional diffusion to rapidly target microtubule ends. This strategy allows for efficient and accurate localization of microtubule ends, crucial for chromosome distribution during cell division.
Satellite and side population cells, a major source of muscle repair cells, arise from somites in the embryo. These cells are better at forming muscle than those not produced by somites, offering new hope for treating Duchenne's muscular dystrophy.
Researchers discover smedwi-2 plays critical role in regulating daughter cell differentiation for tissue maintenance. Silencing this gene leads to animal death, despite intact stem cells, highlighting early specification of progeny
Researchers identified ten new genes connected to longevity in yeast, shedding light on the molecular mechanisms involved. The study's findings may eventually lead to understanding and manipulating aging processes, with potential applications in humans.
Scientists at EMBL and IRB-PCB found that disrupted genes in stem cells can lead to deadly tumors. The study shows that specific molecules control cell division and differentiation, and their disruption can result in cancer.
Asymmetric cell division occurs perpendicular to the basal layer, resulting in one daughter cell naturally displaced out of the basal layer. This process controls skin differentiation and has implications for understanding skin diseases and cancer.
Researchers found that NIPA levels act as a switch to regulate cell division by degrading cyclin B1 during the 'resting' phase. Blocking NIPA causes premature cell division, leading to unhealthy daughter cells. The study sheds light on the role of SCFNIPA in controlling mitosis.
Researchers found a gene, Elp1, that regulates cell polarity in yeast, offering insight into Familial Dysautonomia's pathogenesis. The protein plays an essential role in cell growth and neuron development, which may be disrupted in FD patients.
A team of researchers has identified a key mechanism in genetic inheritance during cell division, where kinetochore proteins form rings around microtubules to promote assembly, stability, and bundling. This ring formation may be essential for maintaining chromosome segregation during mitosis.
Researchers find that adult stem cells are maintained by local environment signals that block gene expression, preventing differentiation. The microenvironment captures cells and prevents them from becoming other types of cells.
Researchers found that broken ends of yeast chromosomes remain associated even after cell division, leading to genomic instability. The association was dependent on the molecular DNA repair machinery, which helps resist pulling forces of the mitotic spindle.