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Fertilized Oocytes Digest Paternal Mitochondria
November 3, 2011 — During fertilization, the entire spermatozoon enters the oocyte. However, most of its organelles, including mitochondria, are not transmitted to the offspring. A new study demonstrates for the first ... > full story -
Lung Stem Cells Offer Therapeutic Clues
October 27, 2011 — Researchers have cloned stem cells from the airways of the human lung and have shown that these cells can form into the lung's alveoli air sac tissue. Mouse models suggest that these same stem cells ... > full story -
Inadequate Supply of Protein Building Blocks May Explain Pregnancy Failures in Bovine Cloning Experiments
October 26, 2011 — Amino acids, the building blocks of proteins, are essential to support the normal growth of a developing embryo and the placenta. An insufficient supply of amino acids in the mother’s uterus ... > full story -
Educational Psychology
Social Psychology
Children's Health
Child Development
Child Psychology
Educational Policy
Good Relationship With Teacher Can Protect First Graders from Aggression
October 26, 2011 — A new study of 217 Canadian seven-year-old twins finds that children who were genetically vulnerable to being aggressive were more likely to be victimized by their classmates than others. However, ... > full story -
Scientists First to Characterize Barley Plant-Stem Rust Spore 'Communication'
October 13, 2011 — Scientists have established that a barley plant recognizes an invader and begins to marshal its defenses within five minutes of an attack. The discovery, along with the scientists' successful cloning ... > full story -
Twin Study Reveals Epigenetic Alterations of Psychiatric Disorders
September 21, 2011 — In the first study to systematically investigate genome-wide epigenetic differences in a large number of psychosis discordant twin-pairs, new research provides further evidence that epigenetic ... > full story -
A Better Test for a Potato Pest
August 23, 2011 — Scientist have created a new weapon in the war being waged against the potato cyst nematode -- a diagnostic test that identifies the type of nematode infesting a grower's ... > full story -
Biochemistry Research
Biotechnology
Software
Genetically Modified
Developmental Biology
Epigenetics Research
DNA Construction Software Saves Time, Resources and Money
August 16, 2011 — Scientists have developed the first software package for automating DNA construction that not only makes the process faster and more efficient but -- with an eye on the economics of scientific ... > full story -
Why Plant 'Clones' Aren't Identical
August 4, 2011 — A new study of plants that are reproduced by 'cloning' has shown why cloned plants are not identical. Scientists have known for some time that 'clonal' (regenerant) organisms are not always ... > full story -
How Some Breast Cancers Alter Their Sensitivity to Estrogen
July 27, 2011 — Using human breast cancer cells and the protein that causes fireflies to glow, scientists have shed light on why some breast cancer cells become resistant to the anticancer effects of the drug ... > full story
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