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Self-fertility in fungi -- the secrets of 'DIY reproduction'
08-16-2007 · EurekAlert!Research from the University of Nottingham sheds new light on a fascinating phenomenon of the natural world -- the ability of some species to reproduce sexually without a partner.
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Keywords: self-fertility, fungi, secrets, diy, reproduction, self, fertility, secret
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- The precise role of seminal proteins in sustaining post-mating responses in fruit flies
12-17-2007 · EurekAlert!
Successful reproduction is critical to pass genes to the next generation. In sexually reproducing organisms, sperm enter the female with seminal proteins that are vital for fertility. In a new study published on Friday, Dec. 14, 2007 in PLoS Genetics, researchers at Cornell University knocked down the levels of 25 seminal proteins individually in male fruit flies, testing the males' abilities to modulate egg production, sperm storage and release, and the females' post-mating behavior and physiology.
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- Too much weight spells double trouble for couples trying to conceive
03-06-2007 · EurekAlert!
If both partners in a couple are overweight or obese, they are more likely to have to wait longer before successfully conceiving a child, according to new research published online in Europe's leading reproductive medicine journal, Human Reproduction. The author warned this could have major implications for population levels, particularly in parts of the world where obesity and low fertility were, or would become, more common.
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- Fossilized liquid assembly: Nanomaterials research tool
10-12-2006 · EurekAlert!
From a butterfly's iridescent wing to a gecko's sticky foot, nature derives extraordinary properties from ordinary materials like wax and keratin. Its secret is hierarchical topology -- macroscale structures assembled from microscale components of varying sizes. Borrowing a page from nature's playbook, researchers at NIST have developed a novel platform for the self-assembly of experimental hierarchical surfaces in a fluid. Their work offers diverse industries a new way to generate and measure self-assembly at the nanoscale.
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- Researchers examine protein vital to reproduction, regulation may increase chances of pregnancy
03-19-2007 · EurekAlert!
In its early and most critical stages, human reproduction requires precise, vital functions. The role of one sperm-delivered protein, which is crucial to the process, is being closely observed by scientists from the United States and Canada. Lab tests in recent years have produced valuable information and hopes of regulating that protein to enhance fertility.
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- Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes
11-08-2006 · EurekAlert!
Heavy smoking may reduce female fertility by directly affecting the uterus -- making it less receptive and reducing the chances the embryo will implant, according to research published on line (Thursday 9 November) in Europe's leading reproductive medicine journal Human Reproduction. This is true even if the woman is undergoing IVF with donated oocytes, demonstrating that tobacco damages the uterine lining independently of the (already known) effects of tobacco on the ovaries.
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- Link between beef consumption during pregnancy and reduced sperm quality in sons
03-27-2007 · EurekAlert!
New research has shown that women who ate a lot of beef while pregnant had sons who were more likely to suffer from poor sperm quality as adults, and it suggests that the growth promoters used in cattle may play a role in these men’s reduced fertility. The research was published in the journal Human Reproduction.
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- Cold War caper revisted
11-07-2006 · EurekAlert!
Two Michigan State University researchers are the first to unlock the secrets of the invisible ink used by East Germany's secret police force, the Stasi, and in the process have mixed a batch of chemistry, history and mystery to teach students.
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- First research to show that diabetes damages DNA in men's sperm and may affect fertility
05-02-2007 · EurekAlert!
Scientists have found that sperm from diabetic men have greater levels of DNA damage than sperm from men who do not have the disease. They warn that such DNA damage might affect a man's fertility. The research is published in the journal, Human Reproduction.
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- Extracting eggs from pre-pubertal cancer patients brings hope for future fertility
07-01-2007 · EurekAlert!
Scientists in Israel have been able to obtain and freeze eggs from the ovarian tissue of girls as young as 5 years old, the 23rd Annual Conference of the European Society of Human Reproduction and Embryology will hear on Tuesday, July 3. Dr. Ariel Revel, from the Department of Obstetrics and Gynaecology, Hadassah University Hospital, Jerusalem, Israel said that the growing number of survivors of childhood cancers meant that such techniques would become increasingly important in preserving fertility in young patients.
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- New research holds promise for protecting cancer patients against infertility
07-03-2007 · EurekAlert!
A promising new therapy for protecting the fertility of women with cancer and auto-immune diseases such as lupus was revealed at the 23rd annual conference of the European Society of Human Reproduction and Embryology (Tuesday, July 3 2007).
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