News tagged with chromosomal material

New key mechanism in cell division discovered

Researchers from the Bellvitge Biomedical Research Institute (IDIBELL) have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (1) | comments 0

'Synthetic' chromosome permits repid, on-demand 'evolution' of yeast

In the quest to understand genomes -- how they're built, how they're organized and what makes them work -- a team of Johns Hopkins researchers has engineered from scratch a computer-designed yeast chromosome ...

Biology / Cell & Microbiology

created Sep 14, 2011 | popularity 4.3 / 5 (3) | comments 29 | with audio podcast

When plants go polyploid

(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.

Biology / Plants & Animals

created Sep 13, 2011 | popularity 5 / 5 (3) | comments 8 | with audio podcast

Team applies new techniques and sees surprises in cell division

Researchers at the California Institute of Technology have obtained the first high-resolution, three-dimensional images of a cell with a nucleus undergoing cell division. The observations, made using a powerful ...

Biology / Cell & Microbiology

created Sep 08, 2011 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

Biologists' discovery may force revision of biology textbooks

Basic biology textbooks may need a bit of revising now that biologists at UC San Diego have discovered a never-before-noticed component of our basic genetic material.

Biology / Cell & Microbiology

created Aug 18, 2011 | popularity 4.7 / 5 (23) | comments 2 | with audio podcast

Position of telomeres in nucleus influences length

(PhysOrg.com) -- A study the latest issue of Nature Cell Biology sheds light on the mechanism controlling telomere length in budding yeast. In this publication, scientists from the Friedrich Miescher Instit ...

Biology / Cell & Microbiology

created Jul 13, 2011 | popularity not rated yet | comments 0

Genome duplication encourages rapid adaptation of plants

Plants adapt to the local weather and soil conditions in which they grow, and these environmental adaptations are known to evolve over thousands of years as mutations slowly accumulate in plants' genetic code. But a University ...

Biology / Biotechnology

created May 03, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Finger-trap tension stabilizes cells' chromosome-separating machinery

(PhysOrg.com) -- Scientists have discovered an amazingly simple way that cells stabilize their machinery for forcing apart chromosomes. Their findings are reported Nov. 25 in Nature.

Biology / Cell & Microbiology

created Nov 24, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Study finds protein that sets the stage for exchanges of DNA code in eggs and sperm

A team led by a scientist at the University of Pittsburgh School of Medicine has discovered a regulatory protein that influences where genetic material gets swapped between maternal and paternal chromosomes during the process ...

Biology / Biotechnology

created Oct 13, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Novel protein critical for cellular proliferation discovered

Accurate duplication of genetic material and the faithful segregation of chromosomes are critical for cell survival. The initiation of DNA replication is linked both to cell cycle progression and chromatin organization. In ...

Biology / Cell & Microbiology

created Oct 07, 2010 | popularity not rated yet | comments 0

Making movies within cells

(PhysOrg.com) -- Biologist Barbara Mellone uses tiny cameras to study what happens when a dividing cell makes a mistake.

Biology / Cell & Microbiology

created Sep 20, 2010 | popularity 4 / 5 (1) | comments 0

Constant overlap: Scientists identify molecular machinery that maintains important feature of the spindle

During cell division, microtubules emanating from each of the spindle poles meet and overlap in the spindle's mid zone. Scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, have uncovered ...

Biology / Cell & Microbiology

created Aug 06, 2010 | popularity not rated yet | comments 0

Unstable chromosome regions are the origin of yeast's brewing capacity

The ability of yeast cells to convert sugar to alcohol, the key process in the production of beer and wine, can be attributed to a remarkable evolutionary process. The genes that allow yeast to digest sugars in fruits and ...

Biology / Cell & Microbiology

created May 14, 2010 | popularity 5 / 5 (2) | comments 0

Lessons from the pond: Clues from green algae on the origin of males and females

A multicellular green alga, Volvox carteri, may have finally unlocked the secrets behind the evolution of different sexes. A team led by researchers at the Salk Institute for Biological Studies has shown ...

Biology / Cell & Microbiology

created Apr 15, 2010 | popularity 4.9 / 5 (9) | comments 0 | with audio podcast

Major breakthrough offers hope of preventing mitochondrial diseases

(PhysOrg.com) -- Scientists at Newcastle University have developed a pioneering technique which enables them for the first time to successfully transfer DNA between two human eggs. The technique has the potential to help ...

Medicine & Health / Medical research

created Apr 14, 2010 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast