The extraordinary level of conservation of the tulip tree (Liriodendron tulipifera) mitochondrial genome has redefined our interpretation of evolution of the angiosperms (flowering plants), finds research in bio ...

Biology - Biotechnology

Apr 14, 2013 4.1 / 5 (7) 1 |

Mitochondria, which are probably derived from distant bacterial ancestors incorporated into our cells, have their own DNA. However, we know little about how these organelles, which convert oxygen and consumed nutrients into ...

Biology - Cell & Microbiology

Mar 05, 2013 5 / 5 (1) 0

Research that used mitochondrial DNA-based testing to compare the extent of fraudulent labeling of black caviar purchased before and after international protection shows conservation benefits. A team of scientists ...

Biology - Ecology

Jul 25, 2012 5 / 5 (1) 0

Large numbers of people moved between Africa and Europe during recent and well-documented time periods such as the Roman Empire, the Arab conquest, and the slave trade, and genetic evidence of these migrations lives on in ...

Biology - Evolution

Mar 26, 2012 3 / 5 (7) 1 |

An endangered species of horse -- known as Przewalski's horse -- is much more distantly related to the domestic horse than researchers had previously hypothesized, reports a team of investigators led by Kateryna ...

Biology - Evolution

Sep 07, 2011 4.9 / 5 (7) 0 |

An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...

Biology - Plants & Animals

Jul 07, 2011 5 / 5 (2) 5 |

Mitochondria are the body's energy producers, the power stations inside our cells. Researchers at the University of Gothenburg, Sweden, have now identified a group of mitochondrial proteins, the absence of ...

Biology - Cell & Microbiology

May 10, 2011 5 / 5 (4) 0 |

Researchers have shown that the Trypanosoma cruzi agent of Chagas Disease (CD) invades host embryo cells and spreads its mitochondrial DNA (kDNA) minicircles into the host's genome. Dr. Antonio Teixeira and associates at the ...

Medicine & Health - Diseases, Conditions, Syndromes

Mar 29, 2011 not rated yet 0

Austrian researchers have uncovered mutations throughout the mitochondrial genome that are associated with prostate cancer. An exciting aspect of the study, published by Cell Press on December 2 in the American Journal of ...

Medicine & Health - Genetics

Dec 02, 2010 not rated yet 0

The most robust statistical examination to date of our species' genetic links to "mitochondrial Eve" -- the maternal ancestor of all living humans -- confirms that she lived about 200,000 years ago. The Rice University study ...

Biology - Evolution

Aug 17, 2010 4.6 / 5 (24) 35 |

Researchers at UCLA's Jonsson Comprehensive Cancer Center and the departments of Chemistry and Biochemistry and Pathology and Laboratory Medicine have uncovered a role for an essential cell protein in shuttling ...

Medicine & Health - Medical research

Aug 06, 2010 4.8 / 5 (11) 8 |

Why do we grow old and what can we do to stop it? This is the question asked by many, but it appears that we are now closer to an answer thanks to new research published by Monash University researcher Dr ...

Biology - Biotechnology

Aug 05, 2010 4.5 / 5 (16) 3 |

The initial peopling of North America from Asia occurred approximately 15,000-18,000 years ago, however estimations of the genetic diversity of the first settlers have remained inaccurate. In a report published online today ...

Biology - Biotechnology

Jun 28, 2010 4.6 / 5 (10) 14 |

In a report published today in the journal Genome Research, scientists report finding strong genetic evidence supporting the theory there are several species of killer whales (Orcinus orca, also known as orca ...

Biology - Plants & Animals

Apr 22, 2010 5 / 5 (1) 0 |

A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous ...

Biology - Plants & Animals

Mar 01, 2010 4.8 / 5 (5) 0 |