Saturday, February 17, 2018
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Tag: chromosomes

clawed frog

With Interspecies Hybrids, It Makes a Difference Who’s the Dad and...

With the occasional appearance of coydogs, pizzlies and ligers, it’s clear that different species can often interbreed, even if the offspring are infertile. But why...
cell biology

Positioning the Cleavage Furrow

Cell division is a fundamental biological process which ensures that, following the replication of the mother cell’s genome, the two sets of chromosomes are...
dementia

Dementia with Lewy Bodies: Unique Genetic Profile Identified

The genome-wide association study, conducted by a UCL-led collaboration of 65 academics in 11 countries and funded by Alzheimer’s Society and the Lewy Body...
stem cells

UNC Scientists Discover Proteins Keeping Stem Cells in their Undifferentiated State

A special cluster of proteins that helps unwind DNA during cell division plays a key role in keeping stem cells in their immature state,...
pulmonary hypertension, chronic disease, heart failure

Genes on Y Chromosome Protect Against Pulmonary Hypertension, Study Suggests

Findings A new UCLA study suggests that the Y chromosome provides protection against the development of pulmonary hypertension and may be the reason the disease...
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...