The proteins that underlie nearly all biological mechanisms are produced from RNA molecules transcribed from genetic sequences in DNA. However, a large proportion of transcribed RNA is not transcoded into proteins and appears ...
Cell & Microbiology
Jan 9, 2015
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To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At the 58th Annual Biophysical ...
Biochemistry
Feb 18, 2014
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Women who choose to be permanently childfree perceive more social pressures to become mothers than other women, but feel less distress about not having kids than women who are childless from infertility or other reasons, ...
Social Sciences
Oct 9, 2012
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When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, ...
Cell & Microbiology
Aug 18, 2011
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Researchers at the Swedish medical university Karolinska Institutet have been able to describe the 3D structure of a complete egg receptor that binds sperm at the beginning of fertilization. The results, published in the ...
Cell & Microbiology
Oct 21, 2010
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Researchers have identified the protein mechanism that senses bicarbonate fluctuations and adjusts blood pH levels.
Biochemistry
Dec 22, 2009
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0
About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren Hasson of Tel Aviv University's ...
Evolution
Sep 8, 2009
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In sub-Saharan Africa, the issue of infertility is often obscured by the region's high fertility rates. Though problematic, particularly for women, little is known about how different regions understand and respond to infertility ...
Social Sciences
Apr 23, 2009
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Flowering pear trees are popular additions to landscapes across much of the United States. The attractive ornamentals are favored for their abundance of white flowers, showy fall color, broad pest resistance, striking forms, ...
Biotechnology
Oct 19, 2016
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For a long time a relationship between infertility and chemotherapeutic agents has been assumed. Now, the mechanism has been elucidated. Mainly women are affected because the quality control in the oocytes is different from ...
Biochemistry
Feb 22, 2011
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