Friday, November 24, 2017
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wolves

Genome Sequencing Reveals Extensive Inbreeding in Wolves

The Scandinavian wolf population was founded in the 1980s by only two individuals. This has subsequently led to intense inbreeding, which is considered a...
pigeon

Passenger Pigeon Genome Shows Effects of Natural Selection in a Huge...

The passenger pigeon is famous for the enormous size of its historical population in North America (estimated at 3 to 5 billion) and for its...
wheat genome

What’s in Your Wheat? Johns Hopkins Scientists Piece Together Genome of...

Johns Hopkins scientists report they have successfully used two separate gene technologies to assemble the most complete genome sequence to date of Triticum aestivum,...
cancer cells

Scientists Figure out How Timer for Cell Division Works

Our body is constantly building new tissue and replacing dead or damaged cells through cell division. Skin cells, for instance, only last about a...
Ageing

Old Human Cells Rejuvenated in Breakthrough Discovery on Ageing

A  team led Professor Lorna Harries, Professor of Molecular Genetics at the University of Exeter, has discovered a new way to rejuvenate inactive senescent cells. Within hours...
chromosomes

Aged DNA May Activate Genes Differently

Grey hair, wisdom, and wrinkles on our skin mark us as we age, but it’s the more subtle changes beneath the surface that make...
sperm

Long, Mysterious Strips of RNA Contribute to Low Sperm Count

Scientists have found distinctive portions of genetic material—known as lncRNAs—that help sperm develop. A study published in Biology of Reproduction found male mice lacking...
Chromosome

Chromosome Organization Emerges from 1-D Patterns

The DNA in a human cell is 2 yards long and wraps around millions of bead-like histone proteins to fit inside the cell’s nucleus....
Chromosomes

Chromosomes May Be Knotted

Everyone knows that long bits of yarn, or charging cables and the like, tend to get quickly tangled and form nasty knots. Little is...
chromosomes, obesity, breast cancer, Kidney Disease, Packaging, phosphorus

Chromosomes Find the Perfect Match

Reproduction is made easier by finding the right partner — and it’s no different for the chromosomes inside reproductive cells. Now, an international team...
genome

New Method for Evaluating Reproducibility in Studies of Genome Organization

A new, statistical method to evaluate the reproducibility of data from Hi-C — a cutting-edge tool for studying how the genome works in three...
DNA Replication

Scientists Unravel Mysteries of DNA Replication in Corn

DNA replication is among life’s most important processes, providing a way for an organism’s genetic material to be reproduced so it can be passed...
regenerative medicine

How Does a Cell Maintain its Identity During Replication?

Prior to cell division, chromosomes are seemingly a jumbled mess. During cell division, parent cell chromosomes and their duplicates sort themselves out by condensing, becoming...
Heart Failure

Penn Researchers Closer to Uncovering a New Feature in Heart Failure

Each cell in the average human body contains 23 pairs of chromosomes, with four telomeres on each pair. Telomeres cover the end of the...
cancer cells

Chromosomal Chaos Gives Cancer a Survival Advantage

Resistance is a vexing problem in the world of cancer therapy, with many patients either failing to respond or benefiting only temporarily from a...
gene fusion

Study Highlights New Link Between Gene Fusion and Bladder and Brain...

Previously overlooked section of fusion found to worsen cancer cells • Scientists find section acts like a vacuum cleaner ‘hoovering up’ healthy parts of cell •...
chromosomes

Sequencing All 24 Human Chromosomes Uncovers Rare Disorders

Extending noninvasive prenatal screening to all 24 human chromosomes can detect genetic disorders that may explain miscarriage and abnormalities during pregnancy, according to a...
Chromosomes

Revealing the Structure of Human Chromosomes and Nucleus in Three Dimensions

When we talk about chromosomes, the familiar images with an X-shape would probably flash into our minds. Did you ever think that the chromosomes could be...
DNA sequences

CRI Scientists Develop an Innovative System to Characterize Regulatory DNA Sequences...

Scientists from the Children’s Medical Center Research Institute at UT Southwestern (CRI) have developed an innovative system to identify and characterize the molecular components that...
chromosomes

Chaos in Cell Division – How Chromosomal Defects Arise in Cancer...

When cells divide, the newly duplicated set of chromosomes is distributed evenly to the two newly forming daughter cells. This process is regulated by...