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Current Chromosome News and Events

Current Chromosome News and Events, Chromosome News Articles.
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Human artificial chromosomes bypass centromere roadblocks
Human artificial chromosomes (HACs) could be useful tools for both understanding how mammalian chromosomes function and creating synthetic biological systems, but for the last 20 years, they have been limited by an inefficient artificial centromere. (2019-07-25)
Penn biochemists streamline construction method for human artificial chromosomes
Researchers describe a new way to form an essential part of the artificial chromosome, called the centromere, by bypassing the biological requirements needed to form a natural one. (2019-07-25)
Illinois study advances possibility of genetic control for major agricultural weeds
Waterhemp and Palmer amaranth, two aggressive weeds that threaten the food supply in North America, are increasingly hard to kill with commercially available herbicides. (2019-07-17)
Unravelling the 3-dimensional genomic structure of male germ cells
A study led by the UAB and the CNAG-CRG reveals the three-dimensional genomic structure of male germ cells and how this structure determines their function. (2019-07-10)
First proof-of-concept demonstrates genetic sex selection in mammals
A new Tel Aviv University study reveals a genetic system in mammals that enables two animals to mate and produce only females. (2019-07-08)
Super-resolution microscopy illuminates associations between chromosomes
Thanks to super-resolution microscopy, scientists have now been able to unambiguously identify physical associations between human chromosomes. (2019-07-03)
Archaeological mystery solved with modern genetics
Researchers at the University of Tokyo conducted a census of the Japanese population around 2,500 years ago using the Y chromosomes of men living on the main islands of modern-day Japan. (2019-06-20)
Landmark study signals shift in thinking about stem cell differentiation
Researchers found that embryonic stem cells commit to a cell fate far more rapidly than anticipated. (2019-06-20)
Canadian researchers discover new genetic link to premenopausal breast cancer
University of Alberta researchers have added a new genetic marker to the breast cancer map, helping to expand the list of genetic mutations clinicians can watch for in cancer screenings. (2019-06-20)
B chromosome first -- mechanisms behind the drive of B chromosomes uncovered
B chromosomes are supernumerary chromosomes, which often are preferentially inherited and showcase an increased transmission rate. (2019-06-20)
IDIBELL researchers relate the amplification of a chromosomal region with resistance to to a chemotherapeutic drug in breast cancer
IDIBELL researchers relate the amplification of a chromosomal region with resistance to a chemotherapeutic drug in breast cancer. (2019-06-18)
Dark centers of chromosomes reveal ancient DNA
Geneticists exploring the dark heart of the human genome have discovered big chunks of Neanderthal and other ancient DNA. (2019-06-18)
CNIO researchers describe new functions of protein that plays key role in some tumors and rare diseases
Cohesin is a protein complex that plays a key role in cell division; its role in 3D genome structure was described in recent years. (2019-06-18)
Schizophrenia: Adolescence is the game-changer
Schizophrenia may be related to the deletion syndrome. However, not everyone who has the syndrome necessarily develops psychotic symptoms. (2019-06-17)
Once thought to be asexual, single-celled parasites caught in the act
The single-celled parasite Leishmania can reproduce sexually, according to a study from Washington University School of Medicine in St. (2019-06-13)
Targeting key gene could help lead to down syndrome treatment
Targeting a key gene before birth could someday help lead to a treatment for Down syndrome by reversing abnormal embryonic brain development and improving cognitive function after birth, according to a Rutgers-led study. (2019-05-23)
Cell division requires a balanced level of non-coding RNA for chromosome stability
Assistant Professor Dr Karen Wing Yee Yuen and Postdoctoral Fellow Dr Yick Hin Ling from the School of Biological Sciences, University of Hong Kong (HKU), discovered that centromeric DNA is used as a template to produce a non-protein coding, centromeric RNA (ribonucleic acid), that is essential for chromosome stability. (2019-05-22)
New role in spatial chromosome organization identified for often mutated cancer protein
New research from The Wistar Institute sheds light on the function of the ARID1A protein, encoded by a gene that is among the most frequently mutated across human cancers. (2019-05-22)
After GWAS studies, how to narrow the search for genes?
Genome-wide association studies (GWAS) often turn up a long list of genes that MIGHT help cause the trait of interest. (2019-05-21)
Danish research team identifies the first gene that increases the risk of fainting
Fainting is not solely caused by external factors. Your genes also play a part. (2019-05-16)
Genetic defect causing intellectual disability discovered by Sussex scientists
Researchers have discovered a new genetic defect which causes a form of intellectual disability; a finding which will improve global screening programs. (2019-05-01)
Bacteria uses viral weapon against other bacteria
Bacterial cells use both a virus -- traditionally thought to be an enemy -- and a prehistoric viral protein to kill other bacteria that competes with it for food according to an international team of researchers who believe this has potential implications for future infectious disease treatment. (2019-04-25)
Study: Why unique finches keep their heads of many colors
There appears to be an underlying selection mechanism at work among Gouldian finches -- a mechanism that allows this species to produce and maintain individuals with red heads, black heads, and yellow heads. (2019-04-23)
Entomologists uncover Florida fire ant matriarchy
Researchers at the University of Georgia have found colonies of tropical fire ants, native to Florida and coastal Georgia, that thrive with multiple queens and in close proximity to single-queen colonies of the same species. (2019-04-15)
Famous cancer-fighting gene also protects against birth defects
New research has revealed how the famous tumour suppressor gene p53 is surprisingly critical for development of the neural tube in female embryos. (2019-04-09)
Unlocking the female bias in lupus
The majority of lupus patients are female, and new findings from the University of Pennsylvania shed light on why. (2019-04-04)
The evolution of bird-of-paradise sex chromosomes revealed
Birds-of-paradise are a group of songbird species, and are known for their magnificent male plumage and bewildering sexual display. (2019-04-01)
Origin of Scandinavian wolves clarified
There are no signs that hybrids of dog and wolf have contributed to the Scandinavian wolf population -- a matter that has been discussed, especially in Norway. (2019-03-29)
UTA biologist shows new insights into chromosome evolution, venom regulation in snakes
In a new paper, a team of biologists addressed genomic questions by generating and analyzing the first most complete chromosome-level genome for a snake -- the prairie rattlesnake (Crotalus viridis). (2019-03-29)
New model predicts substantial reduction of malaria transmitting mosquitoes
In much of sub-Saharan Africa, malaria is a huge public health burden. (2019-03-28)
The evolution of brain tumors
Scientists from the German Cancer Research Center found in a recent study that only three different genetic alterations drive the early development of malignant glioblastomas. (2019-03-21)
Mysterious males: Asexual female nematodes produce males for sperm, not genes
Getting at why nematodes engaged in a unique female-favoring reproduction strategy produce males at all, researchers report that the asexual females produce limited numbers of male offspring to exploit them for their sperm in order to make more males, and in a ratio meaning the resultant sons are more likely to mate with their sisters. (2019-03-14)
Mystery solved -- biologists in Dresden explain the genetic origins of the saffron crocus
For almost 100 years, there has been controversy as to the possible parent species of the saffron crocus are. (2019-03-11)
Illuminating the genome
Development of a new molecular visualisation method, RNA-guided endonuclease -- in situ labelling (RGEN-ISL) for the CRISPR/Cas9-mediated labelling of genomic sequences in nuclei and chromosomes. (2019-03-08)
Sleep tight! Researchers identify the beneficial role of sleep
Why do animals sleep? Why do humans 'waste' a third of their lives sleeping? (2019-03-05)
Molecular puzzle reveals unknown stages of fetal development
By applying gene analysis to individual cells from early mouse embryos, researchers at Karolinska Institutet in Sweden have discovered previously unknown cellular stages of fetal development from fertilized egg to living being. (2019-03-05)
Unveiling disease-causing genetic changes in chromosome 17
Extensive single Watson-Crick base pair mutations can occur in addition to duplication or deletion of an entire group of genes on chromosomal region 17p11.2. (2019-02-28)
Biologists find the long and short of it when it comes to chromosomes
A team of biologists has uncovered a mechanism that determines faithful inheritance of short chromosomes during the reproductive process. (2019-02-27)
Scientists identify genetic mechanism involved in how females inherit traits
Female cells randomly and permanently shut off one of the X chromosomes during embryonic development through a process called X chromosome inactivation, or XCI. (2019-02-20)
Researchers find genetic clues to high rates of asthma in those of African ancestry
In the largest study of its kind, researchers at the University of Colorado Anschutz Medical Campus have found new clues into the parts of the human genome associated with the higher rates of asthma in those of African ancestry. (2019-02-20)
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