They focused on DNA housed within mitochondria, which is passed down only by the mother and can be linked to particular geographical regions.    From Wordnik.com.  [DNA analysis shows thoroughbreds have British as well as Arabian roots] Reference

In the current study, Davis and his colleagues analyzed DNA found in mitochondria, the cells’ energy-making machines.    From Wordnik.com.  [Archive 2007-01-01] Reference

In some textbooks the Lamarckian acquisition of a double membrane of mitochondria is even presented as evidence for engulfment.    From Wordnik.com.  [A critique on the endosymbiotic theory for the origin of mitochondria] Reference

In a nutshell, the essence of the argument for the endosymbiotic origin of mitochondria is that mitochondria look like they share a common ancestor with bacteria.    From Wordnik.com.  [2005 August - Telic Thoughts] Reference

Your mitochondria are the "energy generators" of your body's cells.    From Wordnik.com.  [Bigger Brains, Better Genes] Reference

Later on, I helped to uncover details of the modified genetic code in mitochondria.    From Wordnik.com.  [John E. Walker - Autobiography] Reference

The cellular furnaces, known as mitochondria, create energy less efficiently as you age.    From Wordnik.com.  [Psychology Today] Reference

Bax did not change their localization to the mitochondria, which is required for apoptosis.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

This is DNA housed in the rod-like power plants, called mitochondria, that generate energy in the cell.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

The mitochondria are the most constant type of granule and vary in form from granules to rods and threads.    From Wordnik.com.  [I. Embryology. 1. The Animal Cell] Reference

Some of the mitochondria are connected to the ER via the so-called mitochondria-associated ER membranes or MAMs.    From Wordnik.com. Reference

Normally, cells produce high-energy molecules such as ATP through components known as mitochondria, he explained.    From Wordnik.com.  [EurekAlert! - Breaking News] Reference

But cells have a great deal of these structures called mitochondria, and each one of those has a great deal of DNA.    From Wordnik.com.  [CNN Transcript Nov 18, 2005] Reference

The mitochondria are the tiny powerhouses of the cell, whose generators burn food and produce most of a cell's energy.    From Wordnik.com.  [EurekAlert! - Breaking News] Reference

Manipulating insulin signaling or the activity of the cellular power plants known as mitochondria can have similar effects.    From Wordnik.com.  [HHMI News] Reference

A BBC article adds, "Vitamin C appeared to protect tiny structures inside the cancer cells called mitochondria from damage.".    From Wordnik.com.  [NaturalNews.com] Reference

The inability of the vital organs to utilize oxygen is a cellular malfunction in the tiny organelles known as the mitochondria.    From Wordnik.com.  [Forever Young] Reference

Finally, our model can show an initial shrinking phase of mitochondria, which is often observed before the actual swelling starts.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

In diabetic men there may also be more deletions of DNA in the tiny, energy-generating structures in the cells called mitochondria.    From Wordnik.com.  [A Baby at Last!] Reference

Known as mitochondria, they are found inside every cell in varying numbers, depending upon how much energy that particular cell needs.    From Wordnik.com.  [The Chemistry of Calm] Reference

Cytoplasmic organelles (such as mitochondria and endoplasmic reticulum) swell while others (especially ribosomes) disappear.    From Wordnik.com.  [Cell damage from toxicity and tissue repair] Reference

Even the biological components of living cells, such as mitochondria and other organelles, exhibit emergent properties.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

These distress signals trigger the cell's "mitochondria", or its tiny energy-producing power packs, to make "free radical" molecules.    From Wordnik.com.  [Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph] Reference

The defining feature of eukaryotes is the existence of organelles, such as mitochondria, with distinct genomes and patterns of inheritance.    From Wordnik.com.  [Medlogs - Recent stories] Reference

There are thousands and sometimes millions of little mitochondria.    From Wordnik.com.  [CNN Transcript Oct 30, 2003] Reference

These autophagic vacuoles contain intracytoplasmic organelles, such as mitochondria (.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Researchers have assumed that the mitochondria in cancer cells were irreparably damaged.    From Wordnik.com.  [A New Way To Fight Cancer?] Reference

To do mitochondrial testing, all you need is cellular material that had mitochondria in it.    From Wordnik.com.  [CNN Transcript Jun 24, 2006] Reference

To do mitochondrial testing, all you need is cellular material that has mitochondria in it.    From Wordnik.com.  [CNN Transcript Jun 19, 2006] Reference

Another recent study compared mitochondria in muscle biopsies of older and younger men and women.    From Wordnik.com.  [Bigger Brains, Better Genes] Reference

Then in the cell plasma, outside, have a lot of little energy houses we refer to them as mitochondria.    From Wordnik.com.  [CNN Transcript Oct 30, 2003] Reference

With his colleagues he used DCA to turn back on the mitochondria in cancer cells — which promptly died.    From Wordnik.com.  [A New Way To Fight Cancer?] Reference

Inside every animal cell are many mitochondria -- little "power packs" that use oxygen to generate energy.    From Wordnik.com.  [Can We Slow Aging?] Reference

SIRT1 increases the formation of new mitochondria, the power plants of cells, and it revs up existing ones.    From Wordnik.com.  [Never Say Die] Reference

They have genes that spring into action to defend against DNA damage, including genes that repair damaged mitochondria.    From Wordnik.com.  [Can We Slow Aging?] Reference

Becker's interest in mitochondria reflects a new understanding about how cells die from loss of circulation, or ischemia.    From Wordnik.com.  [Back From the Dead] Reference

SPITZ: Well, the mitochondria, which are -- in an oganelle within the cell, has its own DNA, and that ` s mitochondrial DNA.    From Wordnik.com.  [CNN Transcript May 11, 2006] Reference

One of the reasons many people feel less energetic as they get older is that their mitochondria work less efficiently with age.    From Wordnik.com.  [Bigger Brains, Better Genes] Reference

In doing their jobs, however, mitochondria produce chemical byproducts -- oxidants -- that damage DNA and other components inside cells.    From Wordnik.com.  [Can We Slow Aging?] Reference