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Sister in Biological News

Late motherhood boosts family lifespan

... between 1800 and 1869 and who had at least one sister who lived at least to age 50; and the records of ... lived between 1670 and 1750, and had at least one sister who lived to 50 or older. The key findings: ... at least three sisters, including at least one sister who gave birth at age 45 or later, were 20 ...

Siblings of mentally disabled face own lifelong challenges, according to researchers

... IQ are more likely to live near that brother or sister but be somewhat emotionally detached from that ... live in the same state as the disabled brother or sister than those in the comparison group. However, they ... see this effect when looking at those who had a sister with a mental illness. This suggests genetics may ...

Inherited genetic cause, possible treatment found for complex lung disorder

... For two years prior to diagnosis, the younger sister had suffered from labored breathing and had below ... of unexplained origin. The 8-year-old sister had been considered healthy until results for ... weight for her age (10th percentile). The older sister also had blood and breathing test results ...

African thicket rat malaria linked to virulent human form

... anything else but the chimpanzee parasite. But this study places it in a sister group of parasites from rodents." The maternally inherited mitochondria ... African thicket rats, P. chabaudi , P. berghei ,, and P. yoelii ,, as a sister group of human and chimpanzee P. falciparum , and P. reichenowi ,. This ...

Attitudes towards assisted reproduction and preimplantation genetic diagnosis

... selection of a healthy, compatible embryo that can help cure a brother or sister of a genetic disease deactivate reservations to its use, whereas its ... and conceive a healthy, compatible child that can help cure its brother or sister (mean score likewise exceeding 6 points in almost every country) so any ...

Study identifies pathway required for normal reproductive development

... smell. Three members from the same family in Portugal two brothers and a sister had identical defects in both copies of the PROK2 gene. Further study of ... while the two affected brothers both had Kallmann syndrome, their affected sister had a normal sense of smell but did not experience normal puberty. ...

Extraterrestrial platinum was 'stirred' into the Earth

... of mantle processes and the mechanisms that cause plate tectonics, earthquakes and volcanoes. Combined with some other work by the researchers on sister elements to platinum, iridium and osmium, we also now have a new framework for understanding the variations in isotopic ratios of osmium with time. ...

Humans related to orangutans, not chimps, says new Pitt, Buffalo Museum of Science study

... for their similarly thick-enameled teeth. They labeled chimpanzees and gorillas as African apes and wrote in Biogeography that although they are a sister group of dental hominoids, "the African apes are not only less closely related to humans than are orangutans, but also less closely related to humans ...

Is this the beginning of the end of plant breeding?

... divide at the centre of the X. Thus the differences between mitosis and meiosis are that meiosis has two rounds of division; co-segregation of sister chromatids at the first division; and recombination that occurs during the first divisiona swapping over process that adds more genetic diversity to ...

Genetic testing for breast or ovarian cancer risk may be greatly underutilized

... did not have a personal history of breast or ovarian cancer, and around 1 percent of them were determined to be at high risk because a mother, sister or daughter had such a tumor. Among these high-risk women, about half were aware that genetic testing was available, but only 10 percent had ...

UTSA, Health Science Center collaborate with Merck & Co. to develop chlamydia vaccine

... the outstanding research in microbiology and immunology occurring at UTSA and the Health Science Center, and it demonstrates the power of these two sister institutions working together to improve human health," said Karl Klose, director of UTSA's South Texas Center for Emerging Infectious Diseases ...

First tri-continuous mesoporous Silica complex structure developed in Singapore

... cubic IBN-6 to the tri-continuous 3D hexagonal IBN-9, and finally to the 2D hexagonal IBN-10. The structural complexity of IBN-9 and its sister materials opens the possibility of creating even more complex multi-continuous mesostructures. ...

Two-day symposium in Baltimore to tackle the promises and perils of proton radiotherapy

... shallow cancers near the eyes and spine, and for tumors in children, whose developing organs could be damaged by collateral damage. Speakers in a sister session will argue for a lack of clinical evidence supporting some uses of proton therapy. Evidence that it is superior to older technologies is ...

Carnegie's Doug Koshland elected Fellow of the American Academy of Microbiology

... such as cancer. He is interested in how genetic integrity is maintained during cell-division, particularly when duplicated chromosomes, known as sister chromatids, are produced, remain connected, and then separate to make two new cells. "At a time when few believed it possible, Koshland showed ...

Scientists uncover evolutionary keys to common birth disorders

... long periods of time (>600 million years) while other Msx protein modules had duplicated and then subsequently diverged within the duplicated Msx sister genes, a previously unrecognized avenue for the evolution of morphological innovation. These observations will help to prioritize future clinical and ...

Microscopic morphology adds to the scorpion family tree

... all scorpions, most spiders, and whip scorpions, to breathe air. Scorpions were traditionally placed at the base of the phylogenetic tree, as a sister group to all other arachnids, but molecular data has complicated this picture by suggesting that scorpions move higher on the tree, closer to sun ...

Isopora or isn't it?

... around Curaao, Netherlands Antilles and discovered two new species -- Isopora ginsburgi and Isopora curacaoensis. The coral genus Isopora, a sister group of the modern dominant Acropora, until now was only known from the Pliocene to Recent of the Indo-Pacific. Study of large collections made ...

Montana State partnership receives $66.9M for carbon sequestration

... expertise and human resources needed to tackle carbon management, Spangler said. The Department of Energy hopes that this project, and its six sister projects across the country, will provide data and know-how needed for future carbon capture and sequestration operations. "Along with our ...

NWO and Academy launch research program with China

... Mr Ronald Plasterk, paid a working visit to China in the first week of November 2008. Representatives of the Academy and NWO visited their Chinese sister organisations and the ministries responsible for research policy in China. The purpose of the visit was to confirm the cooperation between the two ...

Acid soils in Slovakia tell somber tale

... Much of the eastern U.S. and Northern Europe fall in the middle of the effects spectrum, she added. Rocky Mountain and Tatra National Parks are sister parks, with scientists and managers beginning to cooperate in studies to understand both. Dr. Baron's work in Rocky Mountain National Park led to the ...

The bonsai effect: Wounded plants make jasmonates, inhibiting cell division, stunting growth

... which every aspect of their stature, including height, girth, and size of leaves, is uniformly reduced to as little as 5% of that of their untreated sister trees. However, the mechanism of wound-induced stunting remains obscure. Plant growth results from divisions of "stem cells" in apical meristems ...

Study: Elderly Women can increase strength but still risk falls

... a hip fracture, life expectancy is just two years. LaRoche's own interest in fall prevention in the elderly arose after helping his parents and sister care for his completely sedentary grandmother, helping her stay in her own home until she died at age 93. She broke both hips, lost six inches of ...

Revealing the evolutionary history of threatened sea turtles

... diets is positioned uniquely in the evolutionary tree. Naro-Maciel and colleagues confirmed that one major group of sea turtles includes sister species flatback and green turtles (one carnivorous and the other herbivorous), while another clade is formed by the hawksbill, loggerhead, Kemp's ...

Resveratrol, red wine compound linked to health, also found in dark chocolate and cocoa

... Analytica to conduct this study. In the study, top selling retail products from six categories were tested for the level of resveratrol and its sister compound, piceid. The six product categories included cocoa powder, baking chocolate, dark chocolate, semi-sweet baking chips, milk chocolate and ...

Cyanobacterium sequenced features rare linear chromosome

... "This is the benchmark, the prototype, for these cyanobacterial species. Now, we can go back to this complete picture and compare its brother and sister organisms to find their talents and deficiencies. That's comparative genomics." Results were published in on-line edition of the Proceedings of ...

Human embryonic stem cells developed from 4-cell embryo; world first may lessen ethical concerns

... own cells as their own. By being able to select an HLA-identical embryo, the cord blood of the 'saviour siblings' could help cure an older brother or sister suffering from a genetic disease affecting the production and/or function of hematopoietic (blood producing) stem cells. "We could also combine the ...

Continental plan to protect the monarch's migratory journey

... and stakeholders, as well as conservation officials and agencies across the region to advance trilateral work, including a Monarch Butterfly sister Protected Area Network. The plan outlines a long-term collaborative agenda with nearly 60 specific actions that seek to: decrease or eliminate ...

Laser fluorescence could find life on Mars

... does not destroy sample material and requires only electrical power to operate, conserving precious water and other consumable resources for sister instruments," he said. Since the Viking mission to Mars 30 years ago, no mission to Mars has focused exclusively on searching for evidence of ...

Elsevier launches Bioscience Hypotheses

... of the criteria laid out above. The journal explicitly does not publish papers addressing medical issues, which should continue to be directed to the sister journal Medical Hypotheses. ...

Synthetic Biology: funders move to address social and ethical challenges

... other social issues, but this report will help us to focus on those concerns associated with synthetic biology." BBSRC is already working with its sister Research Councils on ethical and regulatory issues that might arise from synthetic biology research. BBSRC is working closely with the Engineering ...

Are sacrificial bacteria altruistic or just unlucky?

... protease production" Igoshin said a key piece of evidence confirming modeling predictions came in experiments that tracked genetically identical sister cells, some of which became protein producers and some of which didn't. ...

War between the sexes begins before twins' birth, TAU researchers say

... in the womb, researchers from Tel Aviv University believe. And it may have troubling consequences a male twin can compromise the health of his twin sister before she is born. In a new study recently published in the journal Pediatrics, the researchers analyzed the incidence of complications, such as ...

Honeybee researcher to unravel properties governing lifespan with support from Norway

... will focus on endocrine regulation, Amdam will study the role of a key social factor, the presence versus the absence of young brood. Since sister honeybees can be both short-lived and extremely long-lived, it is clear that diutinus development within a colony is not determined by genetic ...

Gene's 'selective signature' aids detection of natural selection in microbial evolution

... may help the bacterium obtain carbon from amino acids rather than from sugars, a necessity for life in that ecological niche. In one of I. loihiensis sister species, Colwellia psychrerythraea, some of those same genes have been lost altogether, an indication that sugar metabolism is no longer important ...

Lemurs' evolutionary history may shed light on our own

... Found in nature only on the island nation of Madagascar, off Africas southeastern coast, lemurs and their close relatives the lorises represent the sister lineage to all other primates. And that makes lemurs key to understanding what distinguishes us and the rest of our primate cousins from all other ...

Research uncovers the social dynamics of yellow jackets

... (NSF). Goodisman wondered if yellow jacket workers would kill new queens that had a different father or if they were more likely to turn their sister larvae into reproducing queens instead of sterile workers. Turning a worker into a queen is easier than it seems it simply requires a comb nest with ...

Mongolian paleontologists with a dream come to Montana State University

... joked. Badamkhatan said he became interested in paleontology while taking geological and paleontology classes in college. His parents, brother and sister are all engineers. Baasanjav said she started out as a chemistry major, but switched to paleontology her first year in college. It was a new field ...

Massive dinosaur discovered in Antarctica sheds light on life, distribution of sauropodomorphs

... dinosaurs were the largest animals to ever walk the earth. They were long-necked herbivores and include Diplodocus and Apatosaurus. Their sister group is the theropods, which include Tyrannosaurus, Velociraptor, and modern birds. Glacialisaurus hammeri was about 20-25 feet long and weighed ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, December 2007

... NEUTRON SCIENCE -- Record cold . . . Just a few months after the Spallation Neutron Source announced a new world's record for beam power, its sister neutron facility at DOE's Oak Ridge National Laboratory--the High Flux Isotope Reactor--can boast a record of its own. HFIR's new cold source is ...

Journal Sleep: Insomniacs are more likely to report a family history of the sleep disorder

... sleepiness (2.4 percent). The subjects mother (19.7 percent) was the most frequently afflicted first-degree relative with insomnia, followed by sister (11.1 percent), father (7.5 percent), and brother (5.9 percent). For 2.2 percent of the sample, both parents had current or past insomnia. ...
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