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Mother in Biological News

New book suggests Earth perhaps not such a benevolent mother after all

In the past 50 years it has become commonplace to think of Earth as a nurturing place, straining mightily to maintain equilibrium so that life might continue and flourish. The Gaia hypothesis, named for the ancient Greek goddess of Earth, even put forth the idea that our planet behaves as a ...

Scientists create tough ceramic that mimics mother of pearl

Biomimicry technological innovation inspired by nature is one of the hottest ideas in science but has yet to yield many practical advances. Time for a change. Scientists with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have mimicked the structure of mothe...

Ancient mother spawns new insight on reptile reproduction

A 75-million-year-old fossil of a pregnant turtle and a nest of fossilized eggs that were discovered in the badlands of southeastern Alberta by scientists and staff from the University of Calgary and the Royal Tyrrell Museum of Palaeontology are yielding new ideas on the evolution of egg-laying an...

Scientists enhance Mother Nature's carbon handling mechanism

Taking a page from Nature herself, a team of researchers developed a method to enhance removal of carbon dioxide from the atmosphere and place it in the Earth's oceans for storage. Unlike other proposed ocean sequestration processes, the new technology does not make the oceans more acid and may ...

'Ancestral eve' was mother of all tooth decay

A New York University College of Dentistry (NYUCD) research team has found the first oral bacterial evidence supporting the dispersal of modern Homo sapiens out of Africa to Asia. The team, led by Page Caufield, a professor of cariology and comprehensive care at NYUCD, discovered that Streptoc...

Mining biotech's data mother lode

The BioGrid project brought together six partners from the UK, Germany, Cyprus and The Netherlands to address one of the key problems facing the life sciences today. "How to integrate the huge volume of disparate data ?on gene expression, protein interactions and the vast output of literature bot...

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

...long window period. "A pregnant women testing false negative for HIV will not be offered ART which could have saved her baby" said Dr. Jehuda-Cohen (a mother of seven). Dr. Steven R. Goodman, Editor-in-Chief of Experimental Biology and Medicine said "The article by Mumo and colleagues may lead to a cha...

Key to evolutionary fitness: Cut the calories

...mple, which may shorten its life or make it less able to produce or care for young in the future. By actively limiting the rate of energy turnover, a mother can prevent this and maintain a higher level of reproductive success over her lifetime. ...

Ovarian transplantation: First baby is born after a new technique

... and another had become pregnant. "On June 22, a baby girl was born to a mother who had been menopausal for two years as a result of treatment for sickle c...onths and became pregnant naturally six months after transplantation. Both mother and baby are doing well", he said. Dr. Piver and colleagues set out to t...

New, less invasive genetic test greatly improves pregnancy rates in older women with poor prognosis

...s say. "But where we could find fertilised eggs free of chromosomal abnormalities, the resulting embryos were also normal and their transfer to the mother led to pregnancies," said Dr. Fragouli. "Results suggest that the use of this technique will improve IVF success rates for poor prognosis patients. It...

DNA template could explain evolutionary shifts

...from shuffling within an exon. Studies of one family two children and a mother demonstrated that the event occurred during mitosis or cell division, a si...erated, FoSTeS/MMBIR-mediated complex PMP22 rearrangement in the unaffected mother of two children with neuropathy suggests this mechanism can have implicatio...

Fate in fly sensory organ precursor cells could explain human immune disorder

... cells arise from a single sensory organ precursor mother cell. Among the daughter cells, Notch is activated...different kinds of cells which arise from the same mother cell. Thus the fruit flies sensory organ precursor...ls called pIIa and pIIb, which arise from a single mother cell. The pIIa cells go on to become the shaft and...

Antibiotics take toll on beneficial microbes in gut

... Normally, a set of thousands of different kinds of microbes lives in the gut a distinctive mix for each person, and thought to be passed on from mother to baby. The microbes, including many different bacteria, aid digestion and nutrition, appear to help maintain a healthy immune system, and keep order...

Specific genetic cause of fetal alcohol-related developmental disorders found

...sting specific dietary supplements that could reverse the epigenetic alterations that disrupt the regulation of Dio3," Sittig said. "When given to the mother or newborn, this might correct the imprinting deficits induced by alcohol." "This is a promising avenue to improve the prognosis of alcohol-related...

Wildlife Conservation Society supports world's first study of egg-laying mammal

...ary patches (echidnas have no teats). Once the puggle develops spines, the mother digs a nursery den that becomes the puggle's new home; the mother returns every five days to nurse the puggle. The baby is weaned in seven mo...

Is this the beginning of the end of plant breeding?

... said for other living things. While your DNA is a combination of half your mother and half your father, other species do things differently. The advantage of...in an adult cell have a partner, members of the partnership coming from the mother and father of the celland these homologous chromosomes are each made up of ...

Study suggests obese women should not gain weight

...fe-long battle with obesity. During her second pregnancy, she followed a well-balanced diet and gained little weight, with no adverse consequences for mother or baby. Dr. Thornton observed the same pattern in her own clinical practice, leading her to question prevailing guidelines for weight gain during...

Author says challenging simple concepts can save planet

...authoritarian regime can save us. She believes the only hope for the planet is to trust in people and set rules that bring out the best in us. "The mother of all issues is who makes the decisions," she says, adding that if decisions are taken by people with the most money, we all suffer. Lapp says she's...

Study may aid efforts to prevent uncontrolled cell division in cancer

...ite sides of the cell. A contractile ring forms a belt around the cell middle; constriction or closure of this ring "tightens the belt," pinching the mother cell into two daughter cells. In early embryogenesis, cell volume and the length of the contractile ring around the cell middle are reduced at each...

Scientists announce top 10 new species, issue SOS

...scis attenboroughi the oldent known vertebrate to be viviparous (live bearing). The specimen, an extremely rare find from Western Australia, shows a mother fish giving birth approximately 380 million years ago. The holotype specimen has been nicknamed "Josie" by the discoverer, John Long, in honor of his ...

Scientists announce top 10 new species; issue SOS

...scis attenboroughi the oldent known vertebrate to be viviparous (live bearing). The specimen, an extremely rare find from Western Australia, shows a mother fish giving birth approximately 380 million years ago. The holotype specimen has been nicknamed "Josie" by the discoverer, John Long, in honor of his ...

Yeast missing sex genes undergo unexpected sexual reproduction

...re of oddly paired chromosomes. "Experts estimate that about 10 to 30 percent of human eggs or fusion products may be aneuploid, with chromosomes from mother and father not paired exactly one to one, but the great majority of those fusions of sperm and egg don't make it to the implantation and pregnancy sta...

The evolutionary foundation of genomic imprinting in lower vertebrates

...g is thought a unique phenomenon of placental mammals and a regulatory mechanism to keep a balance of supply and demand for maternal nutrients between mother and fetus in mammalian species. However, how genomeic imprinting was originated, established and maintained during vertebrate evolution remains unclea...

Babies born to native high-altitude mothers have decreased risk of low birth weight

...s, but they may occur because of differences in: how much oxygen the mother is able to deliver through the uterine artery how much nutrition and/or oxygen the mother is able to deliver through the placenta a combination of both uterine art...

Mothers give interloper's offspring a head start in life

... A new study has revealed that mother birds can provide an early advantage to the chicks that they have sired with their non-social partner (known as extra-pair offspring). It has long...

Does mom know when enough is enough?

... challenge. Feeding an infant is a primal behavior, and to suggest to a new mother that she is feeding her infant too often, too much, or worse yet, is not ve...n extremely skilled nurse or social worker. Giving counsel after watching a mother feed her infant might be seen as threatening, or at the very least meddling...

Camphor-containing products may cause seizures in children

...heavily exposed to numerous camphor-containing products, including crushed tablets spread around the house to control roaches and an ointment that her mother had rubbed on her skin hourly for 10 hours before her seizures began. (Interestingly, this girl and two of her siblings had a history of seizures that...

Neuroscientists discover long-term potentiation in the olfactory bulb

...ys prevents sheep from forming selective bonds with her own lambs, causing them to adopt lambs from other mothers. This cued her curiosity as to how a mother ewe forms such a selective bond with her lamb within several hours of parturition, a bond that is primarily dependent on olfactory sensory recognition...

Native Americans descended from a single ancestral group, DNA study confirms

...dentical characteristic signature the team discovered. "There are a number of really strong papers based on mitochondrial DNA which is passed from mother to daughter and Y-chromosome DNA which is passed from father to son that have also supported a single ancestral population," Schroeder said. "But t...

Differences among exercisers and nonexercisers during pregnancy

...e to exercise, when they need to manage their time differently to fit more physical activity into their day. According to Dr. May, "if a pregnant mother does some type of physical activity while watching TV or talking on the phone, or parks her car at the farthest point from the store each time, she wi...

Early isolation linked to enhanced response to cocaine

...and susceptibility to the psychostimulant effects of drugs of abuse, such as cocaine. Rats were stressed: (1) as fetuses (by housing the pregnant mother alone), (2) as neonates (by isolating newborn rats for 1 hr daily during the first 9 days of life) or as adolescents (by housing each rat separately d...

Differences among exercisers and nonexercisers during pregnancy

...e to exercise, when they need to manage their time differently to fit more physical activity into their day. According to Dr. May, "if a pregnant mother does some type of physical activity while watching TV or talking on the phone, or parks her car at the farthest point from the store each time, she wi...

Early isolation linked to enhanced response to cocaine

...and susceptibility to the psychostimulant effects of drugs of abuse, such as cocaine. Rats were stressed: (1) as fetuses (by housing the pregnant mother alone), (2) as neonates (by isolating newborn rats for 1 hr daily during the first 9 days of life) or as adolescents (by housing each rat separately d...

Diet secrets of 'the Royals'

...the elephants' movements and diet from early 2000 to early 2006. The study involved Victoria, Anastasia and Cleopatra three daughters of a mother elephant named Queen Elizabeth, who died of old age the first year of the study. The findings are set for publication Monday, April 13, in the online ...

NOAA report calls flame retardants concern to US coastal ecosystems

.... Toxicological studies indicate that liver, thyroid and neurobehavioral development may be impaired by exposure to PBDEs. They are known to pass from mother to infant in breast milk. Similar in chemical structure to polychlorinated biphenyls, or PCBs, they have raised concerns among scientists and regul...

Oh baby, interventional radiology makes childbirth safer

...eding (or postpartum hemorrhage) included conservative management (careful observation with supportive care until the bleeding resolves) or taking the mother to surgery to find the bleeding vessel and stop the bleeding. In some cases, surgical control of bleeding might even require a hysterectomy. More rece...

Lincoln Park Zoo scientists awarded National Institutes of Health grant

...am Research Centre. "For nearly 40 years researchers have been following mother chimpanzees and their offspring, recording their interactions. This is a tr... data from fecal samples, to obtain a clear view of the relationship of the mother and offspring without creating any disturbance. "Despite how much insig...

'Freaks' help scientist unravel nature and nurture

...two-headed animals. In one case, a genetic mutation may cause a cat to be born with two heads. In another, a lizard ends up with two heads because its mother laid her eggs in a compost heap that was too warm; the defect was caused by an incubation temperature that was too high. Similarly, a human may end up...

UMMS researchers publish DNA identification of czar's children

...hat exists outside of the cell nucleus. And whereas autosomal cchromosomal DNA undergoes the process of recombination, where sections of DNA from the mother and the father are mixed resulting in a more distorted genetic history, mitochondrial DNA, which is inherited only from the mother, or non-recombinan...

Execretion analysis aids primate social studies

... Primates "live in matrilineal societies where females remain with their kin while males disburse," Alberts said. "If offspring have a high ranking mother a lot of things go well in their lives. If they have a low-ranking mother, things will not go so well." Her research group's own DNA and hormone sa...
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