Some people possess a small number of cells in their bodies that are not genetically their own; this condition is known as microchimerism. In prior studies, researchers from the University of Missouri College of Veterinary ...
Plants & Animals
Oct 23, 2013
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The yeast S.pombe is one of the best-studied microbes in the world. First isolated from East African millet beer over a century ago, it's been used as a model organism in molecular and cell biology for the past sixty years. ...
Cell & Microbiology
Oct 4, 2013
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The cells in our bodies can divide as often as once every 24 hours, creating a new, identical copy. DNA binding proteins called transcription factors are required for maintaining cell identity. They ensure that daughter cells ...
Cell & Microbiology
Aug 15, 2013
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The human body contains trillions of cells, all derived from a single cell, or zygote, made by the fusion of an egg and a sperm. That single cell contains all the genetic information needed to develop into a human, and passes ...
Cell & Microbiology
May 5, 2013
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(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that pheromones play ...
Biochemistry
Dec 14, 2012
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Conventional biology expects the process of mammalian cell division, mitosis, to occur by the equal partition of a mother cell into two daughter cells. Bioengineers at UCLA Engineering have developed a platform that mechanically ...
Biotechnology
Jul 5, 2012
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The accumulation of damaged protein is a hallmark of aging that not even the humble baker's yeast can escape. Yet, aged yeast cells spawn off youthful daughter cells without any of the telltale protein clumps. Now, researchers ...
Cell & Microbiology
Nov 23, 2011
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An international team of researchers led by investigators in the U.S. and Germany has shed light on the inner workings of the endocycle, a common cell cycle that fuels growth in plants, animals and some human tissues and ...
Cell & Microbiology
Oct 30, 2011
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At the same time that a cell's DNA gets duplicated, a third of it gets super-compacted into repetitive clumps called heterochromatin. This dense packing serves to repress or "silence" the DNA sequences within -- which could ...
Cell & Microbiology
Oct 16, 2011
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(PhysOrg.com) -- Bacteria can generally be divided into two classes: those with just one membrane and those with two. Now researchers at the California Institute of Technology (Caltech) have used a powerful imaging technique ...
Cell & Microbiology
Sep 1, 2011
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