Tag: "mother" at biology news

High resolution satellite imagery assists hunt for infectious 'kissing bugs'

...infection can include ingesting contaminated food, mother to child transmission like during breast feeding and tainted blood transfusions. Infection by this Trypanosoma cruzi parasite may cause short-term symptoms including fever, tiredness and brain swelling. However it is the longer-term symptoms that are...

Genes expose secrets of sex on the side

... traced using mitochondrial DNA, which passes from mother to daughter. The researchers report their findings in two related articles, one in the online early edition of the October issue of Nature Genetics and one in an upcoming edition of Molecular Biology and Evolution. The research was funded ...

Students build submarine to track Octopuses

...Sound, with a communications cable linking it to a mother boat on the surface. Divers checked it for leaks, ...less communications system to free Shadow from the mother boat. Currently the sub and a computer on the mother boat are linked by a 100-foot-long coaxial cabl...

JCI table of contents September 15, 2004

...und in the nucleus and are inherited from both the mother and the father. Between the number of genes involved and the variable inheritance patterns, identifying all the mutations that could cause disease is a daunting task. Now David Thorburn and colleagues, from Murdoch Childrens Research Institute, hav...

Venn diagram tactics to vet complex disease

...und in the nucleus and are inherited from both the mother and the father. Between the number of genes involved and the variable inheritance patterns, identifying all the mutations that could cause disease is a daunting task. Now David Thorburn and colleagues, from Murdoch Childrens Research Institute, hav...

Cell's gatekeeper for ammonia revealed in unprecedented detail

...he potentially lethal antigenic incompatibility of mother and child. Rh antigens have only recently been found to be transmembrane channels that regulate the movement of ammonia and carbon dioxide in and out of the red blood cells, Stroud said. The red blood cells transport ammonia from tissues to the kidn...

Bacteria use 'molecular lasso' to cop copper

...cowboy's lasso, methanobactin has no tether to its mother cell. Therefore, when bacterial cells release their methanobactin molecules, they probably never see them again; instead, they take delivery of copper from methanobactin released by other cells of the same species. Thus, copper gathering amounts to a...

Breaking new ground in germ cell guidance

...f function) relies entirely on transmission by the mother fly. A closer analysis of the failing pole cells indicated that they began their development and migration normally, and that their deaths did not display a significant increase in the molecular activity most commonly associated with programmed cell ...

Research suggests unborn children may be at risk from environmental pollution

...oetal organ concentrations can exceed those of the mother which may have implications due to the increased sensitivity of the foetus. The exact levels are as yet unknown but we know that childhood leukaemia is initiated in utero and this could well be a factor in the initiation.Consideration must now be giv...

Tiny collars fitted on youngest-ever tiger cubs

... in the Russian Far East for the past decade. The mother of the cubs-an animal named Galia by Goodrich and his colleagues-was captured and radio-collared in the autumn of 2002. The cubs' grandmother Lidia was fitted with a collar back in October, 1999. Provided by WCS researcher Toni Ruth, who has used th...

Stanford researcher's findings may shed light on common, deadly birth defect

...ained laboratories. The physical separation of the mother from the embryo means that scientists can add factors they wish to study in precisely controlled amounts at well-defined times during development. And even though a bird beak seems quite different than a human nose or a mouse snout, the cells and pat...

Alcohol-use and depression among pregnant and postpartum women

... at risk for these conditions can benefit both the mother and child." Researchers examined data collected from an ongoing, longitudinal study of pregnancy outcomes, the Maternal Health Practices and Child Development Project (MHPCD). The MHPCD recruited women in their fourth prenatal month from a large, u...

Infant rats eagerly accept high concentrations of alcohol upon first exposure

.... "One way is through the milk of a breastfeeding mother who has consumed alcohol; this is likely since more than half of the pediatricians in the country tell their patients that breastfeeding may be facilitated by consuming alcohol beforehand. It is also common in some parts of Latin America, for exampl...

Excess thyroid hormone harmful to fetus

...eir sample included 18 couples in which either the mother or father was resistant to thyroid hormone and 18 unaffected couples. They found that mothers with the mutation, who required higher levels of thyroid hormone to maintain a normal life, had a much higher rate of miscarriage, 23.7 percent, about three...

LBP-1a gene mutation linked to disruption of normal fetal development

...t triggers hypertension and fluid retention in the mother and can lead to the more severe condition of eclampsia, which causes convulsions and coma. Missed abortion refers to a pregnancy in which the embryo stops developing normally, and which usually ends in spontaneous abortion. "Lack of normal blood ves...

Parasitic cowbirds thrive with a less ruthless strategy than cuckoos

...eggs are laid in the same nest, either by the same mother or by different mothers, and whether cowbird chicks ever shoulder host eggs out of the nest to obtain the optimal two nestmates. He also studies cowbird parasitism at Point Reyes on the coast just north of San Francisco and at Mono Lake in eastern Ca...

New survey reveals insights into unique relationship between mothers and pediatricians

...ief Kellie Gould said, "The relationship between a mother and her child's pediatrician is a powerful partnership that spans many years. We were pleased to learn that mothers today view their baby's doctor as a true partner. It's also encouraging to see that many moms are being so thorough when it comes to ...

Commercialization deal boosts hope for new sickle-cell drug

...t the liver toxicity and other side effects of the mother drug. These metabolites were used as the backbone for developing a new drug. A private biotechnology company helped Dr. Brugnara and Dr. Jose Halperin (of Harvard Medical School) generate and test nearly 500 novel compounds based on the structure of ...

Study shows impact of emotionally healthy fathers when mothers' poor mental health affects children

...child's behavioral and emotional well-being. "If a mother and father are depressed, the odds that a child wi...ead author. "The risk is less elevated if only the mother reported poorer mental health and not elevated at all if only the father reported poorer mental heal...

Study: Mothers turn fearless when peptide level drops

MADISON - Everyone knows not to get between a mother and her offspring. What makes these females unafra...our consecutive days, the researchers returned the mother mice to their pups. Twenty-eight minutes later, the researchers removed the pups and introduced a ma...

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