Chromosomes Current Events | Chromosomes News | 4
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DNA scans reveal possible location of lung cancer genes
With equipment designed to probe the smallest segments of the genetic code, researchers at Dana-Farber Cancer Institute and collaborating institutions have found something much larger: sections of the chromosomes of lung cancer cells where cancer-related genes may lurk. view more (2005-07-01)
Researchers attach genes to minichromosomes in maize
A team of scientists at the University of Missouri-Columbia has discovered a way to create engineered minichromosomes in maize and attach genes to those minichromosomes. view more (2007-05-15)
Double trouble: Cells with duplicate genomes can trigger tumors
Abnormal cell division that yields cells with an extra set of chromosomes can initiate the development of tumors in mice, researchers at Dana-Farber Cancer Institute have shown, validating a controversial theory about cancer causation put forth by a scientific visionary nearly 100 years ago. view more (2005-10-13)
Two From One-Pitt Research Maps Out Evolution of Genders From Hermaphroditic Ancestors
Research from the University of Pittsburgh published in the Nov. 20 edition of "Heredity" could finally provide evidence of the first stages of the evolution of separate sexes, a theory that holds that males and females developed from hermaphroditic ancestors. view more (2008-11-21)
Baumann lab identifies elusive telomere RNA subunit in single cell model
The Stowers Institute's Baumann Lab has identified the long-sought telomerase RNA gene in a single-cell research model. Their findings have been posted to the Web site of the journal Nature Structural & Molecular Biology and will appear in a future print edition. view more (2007-12-28)
Scientists deconstruct cell division
The last step of the cell cycle is the brief but spectacularly dynamic and complicated mitosis phase, which leads to the duplication of one mother cell into two daughter cells. In mitosis, the chromosomes condense and the nucleus breaks down. view more (2009-02-09)
U of Minn researchers discover genetic cancer link between humans and dogs
Cancer researchers at the University of Minnesota and North Carolina State University have found that humans and dogs share more than friendship and companionship - they also share the same genetic basis for certain types of cancer. view more (2008-02-29)
New clues to how sex evolves
Sex is a boon to evolution; it allows genetic material from parents to recombine, giving rise to a unique new genome. But how did sex itself evolve\\\ view more (2006-12-05)
FISH-ing for links between cancer and aging
Wielding a palette of chromosome paints, scientists at the Salk Institute for Biological Studies have taken a step closer to understanding the relationship between aging and cancer by visualizing chromosomes of cells from patients with a heritable premature aging disease known as Werner Syndrome. view more (2007-02-06)
East African cichlid fish offer new understanding of genetic basis of sex determination
Biologists have genetically mapped the sex chromosomes of several species of cichlid fish from Lake Malawi, East Africa, and identified a mechanism by which new sex chromosomes may evolve. view more (2009-10-02)
Bladder cancer detected via amplified gene in cells found in urine
Counting the copies of a specific gene in cells gathered from a urine sample may provide a simple, noninvasive way to detect bladder cancer, a team led by researchers at The University of Texas M. D. Anderson Cancer Center reports in the Journal of the National Cancer Institute. view more (2008-09-24)
Targeting the dosage compensation complex
Three independent research papers in the April 1 issue of G&D detail the chromosome-wide binding of the Drosophila dosage compensation complex (DCC) to the single male X chromosome, shedding new light on the mechanism of DCC targeting. view more (2006-03-17)
1 moose, 2 moose: Scientist seeks correction in number of species
It is a misinterpretation of the application of the bedrock of scientific naming with regard to the number of moose species that Kris Hundertmark, a University of Alaska Fairbanks wildlife geneticist at the Institute of Arctic Biology, seeks to correct. view more (2009-06-15)
Biologists discover link between CGG repeats in DNA and neurological disorders
Researchers have long known that some repetitive DNA sequences can make human chromosomes "fragile," i.e. appearing constricted or even broken during cell divisions. view more (2009-01-12)
Absence or low function of CHFR gene in breast cells sets stage for abnormal cell division and cancer
A University of Michigan study reveals in detail how breast cells produce new cells that are predisposed to become cancerous, unless they receive the protective action of the CHFR gene. view more (2008-06-20)
FISH on a chip offers quicker, less costly cancer diagnosis
For the first time an important diagnostic test for cancer has been miniaturized and automated onto a microfluidic chip by a team of University of Alberta researchers in Edmonton, Canada. view more (2007-06-20)
Genome archaeology illuminates the genetic engineering debate
Genome Research's cover story for Oct. 2 tells a tale of "genome archaeology" by genetic researchers who dug deeply into the long history of maize and rice. view more (2006-10-04)
'Signature' of chromosome instability predicts cancer outcomes
Microscopic examination of tumor specimens cannot always predict a cancer's aggressiveness, leading to increased interest in molecular approaches to diagnosis. view more (2006-08-21)
Study links regions of two chromosomes to susceptibility for type of autism
A new Cincinnati Children's Hospital Medical Center study links regions of two chromosomes to susceptibility for a type of autism characterized by regression in development. Developmental regression can include the loss of previously acquired language, social skills or both. view more (2005-06-08)
Newly Discovered Mechanism in Cell Division has Implications for Understanding Aberrant Chromosome's Role in Cancer, According to Penn Study
"A biologist, a physicist, and a nanotechnologist walk into a ..." sounds like the start of a joke. Instead, it was the start of a collaboration that has helped to decipher a critical, but so far largely unstudied, phase of how cells divide. view more (2009-08-18)
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