Tag: "inheritance" at biology news

NIH joined by advocacy groups to fund research on autism susceptibility genes

...e Emory project seeks to explore forms of familial inheritance through theX chromosome - because more males than females are diagnosed with autism.Zwick will use a highly innovative technology with great promise for DNAsequencing. It is hoped that this study might lead to insights into autismand a related disord...

Australian scientists awarded $1m research fellowships

...ociate Professor Mackey is researching the genetic inheritance of glaucoma. Pfizer Australia Research Fellowships are worth $A1m over five years and are awarded in critical fields like brain stem cell activity, HIV and neuropsychiatric disorders. The latest grants bring the total to seven. Previous recipients ...

White blood cells from cancer-resistant mice cure cancers in ordinary mice

...nce could be inherited, which had implications for inheritance of resistance in humans, said Mark C. Willingham, M.D., a pathologist and co-investigator. "This study shows that you can use this resistant-cell therapy in mice and that the therapy works. The next step is to understand the exact way in which it wor...

The higher the hierarchy, the greater the aggression

...simple mathematical models that predicted that, if inheritance rank mattered in a cooperative society, then the r.... conclude that variation in future fitness due to inheritance rank is the hidden factor accounting for much of the variation in aggression among apparently equiva...

Ancient Etruscans unlikely ancestors of modern Tuscans, statistical testing reveals

...he said. ''We couldn't make it fit with the simple inheritance direct lineage model.'' The Stanford researchers used recently developed software called ''Serial SimCoal'' to simulate genetic data based on different population scenarios, such as small (25,000 females) or large (300,000 females) populations of con...

How purple corn and RNA break genetic laws

...progeny are going to contribute to very unexpected inheritance patterns that complicate identifying genes involved in human disease," said Chandler, who holds the Carl E. and Patricia Weiler Endowed Chair for Excellence in Agriculture and Life Sciences at UA. Chandler and her colleagues will publish their new ...

Association between famine and schizophrenia may yield clues about inherited diseases and conditions

...est in a string of disorders showing the nature of inheritance of genetic conditions. The conventional wisdom on psychiatric disorders is that most cases are caused by a handful of common genetic mutations that occur in a small number of genes. "The problem with that model is that it doesn't correspond to clin...

Researcher gives hard thoughts on soft inheritance

...eneration to generation, what biologists call hard inheritance because the nucleotide sequence of DNA is constant...ganism's life, but their importance in controlling inheritance has been debated. Many biologists are skeptical of any form of soft inheritance, where the genetic ...

Major new osteoporosis study to recruit people in Orkney

...ondition themselves. This appears to be due to the inheritance of genes that predispose them to reduced bone mineral density. The people of Orkney have been specifically selected by the Edinburgh team because the population is both isolated and stable, and specific genes will be easier to track down and identi...

New breast cancer screening tool helps general practitioners

...east cancer genes are BRCA1 and BRCA2. While rare, inheritance of these mutated genes leads to an approximately 80 percent lifetime risk of developing breast cancer. Current management protocols offer hope to these mutation carriers that breast cancer can be either prevented or managed effectively through intens...

Model predicts colon cancer inheritable genetic defects

...lyposis colorectal cancer, is characterized by the inheritance of defects in the MLH1, MSH2 and MSH6 genes. These three genes help repair mismatches that can occur during the duplication of the genetic code when new cells are made, and are known as mismatch repair (MMR) genes. Of the projected 600,000 MMR mutati...

Study could help transplant surgeons predict rejection/tailor medications

...int" of a liver transplant candidate, based on the inheritance of more than 500,000 mutations from parent to child. These mutations, known as nucleotide polymorphisms, represent "misspellings" in the genetic code, are present in all people and form the basis of inherited predisposition to a variety of diseases a...

Genetic mutation explains form of brittle bone disease

...ad brittle bone disease, but lacked the pattern of inheritance commonly associated with the disease. Most forms of brittle bone disease arise from mutations in the genes for the most abundant bone protein, called type I collagen. These mutations are spontaneous and dominant, not inherited from parents. The two f...

A little of what you fancy does you no good

...uit fly, Drosophila melanogaster. By measuring the inheritance of fitness across generations, and across the geno...he genome and powerful enough to create a reversed inheritance of Darwinian fitness across the sexes. Simply seeking out the most attractive mate may have surprisi...

'Fruit fly dating game' provides clues to our reproductive prowess

...ffspring. The Queen's research team measured the inheritance of "fitness" (quality and number of offspring) using samples of low-and-high-fitness males and a separate set of low-and-high-fitness females to uncover what occurs as a result of sexual selection, the Darwinian process by which organisms compete for...

Genes offer researchers a 'crystal ball' to help them prevent, diagnose and treat cancer

...osed with lung cancer, and one of the strongest is inheritance of a gene variant, GSTM1 positive, which is more efficient than another allele type of the GSTM1 gene at detoxifying carcinogens. They found that patients with a null type at this gene were four times more likely to die within two years as were ma...

Mapping the mouse genome

...me, the authors were able to track the patterns of inheritance of >10,000 SNPs in both groups of mice. Next, ...-information that can improve our understanding of inheritance and inform future efforts to pinpoint the precise location of genes on individual chromosomes....

Authoritative new book on epigenetics published by CSHL Press

... genetic, but not epigenetic, principles governing inheritance and chromosome segregation, explain the editors in the third chapter. Geared towards advanced undergraduates, graduate students, and professional scientists, Epigenetics is the first textbook on this topic and will serve as a valuable reference...

Origin of inherited pain disorder pinpointed

...unaffected members of one large family that showed inheritance of the disease. That analysis revealed that mutations that compromise the gene for a component of one particular sodium channel, called SCN9A, were the likely culprit. Further analysis of the gene in 11 affected families and two sporadic cases, indee...

Inheritance outside DNA

Most people have heard that human inheritance is spelled out in our DNA and activated through our genes. Yet few know anything about epigenetics, a variety of methods that our cells have evolved to transmit heritable changes without changing DNA. Among other things, epigenetics is crucial to ...

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