Tag: "parent" at biology news

Researchers develop blood test that can detect genetic changes in progressive breast cancer

...matching the cells' genetic abnormalities with the parent tumor. The test can detect one circulating tumor cell in 10 million white blood cells, said Dr. Uhr. The research augments previous work by UT Southwestern researchers to determine if patients whose primary tumor did not have am...

Birds use herbs to protect their nests

...logy. "If the fresh herbs and plant materials that parent birds bring into the nest have a sufficient concen...ria," says Ichida. "By practicing medical botany, parent birds exercise effective home nest security and protect their offspring from select biodegrading mic...

Genetic barrier to self-pollination identified

...rain contains only one of the two S-alleles of the parent plant. The pistil, on the other hand, is diploid, ...ch parent) and therefore has both S-alleles of the parent plant. During pollination, if the S-allele of the pollen does not match either of the two S-alleles ...

Domesticated tree crops may be the 'future of forestry'

...whatever qualities you're looking for, even if the parent plants have many highly desirable traits, their offspring may not exhibit all of the characteristics the parents have," Meilan said. A solution, he said, is to find a way to propagate trees without the need for conventional breeding. "With houseplant...

When plants need ants' help, bigger is better

...lings that do exist are not dispersed far from the parent plant. "The invasive ants take the reward and don't provide the level of service provided by the larger ant," Ness said. His team's current findings suggest that what's happening in the fynbos is not unique to South Africa or to Argentine ants. "We w...

Annotation marathon validates 21,037 human genes

...ne products called messenger RNAs to each of their parent genes, and exhaustively connecting them to the relevant proteins, the consortium has established a reliable systematic network of human-curated relationships between genes and their biological functions. The study, reported in the open access journa...

Vanderbilt doctors find citrus soda interacts with cyclosporine, maybe statins

...ite of Texas-based Dr Pepper/7Up, Inc. (Sun Drop's parent corporation), is the nation's seven-time sales leader in the citrus soda category. Sun Drop is sold throughout the South Atlantic region of the United States. Suspecting Turner's hunch about his source of caffeine was correct, Milstone contacted Phi...

Researchers caution against linking strep, neuropsychiatric disorders

...man nature to want a explanation. For almost every parent who recognizes tics and obsessive-compulsive behavior in their children, almost immediately, as soon as they recognize it, their minds shift into high gear, questioning why the child has these symptoms." Kurlan says that about one in every five chil...

Three new South American fish identified

...out the Geophagus fish in his research is that the parent fish take care of their eggs in their mouths. "Just describing a species doesn't mean you know all about its biology," he said. "And yet the more you know about their ecological role, the better you are able to know in detail what makes up an ecosyst...

Scientists discover that metastases share a similar genetic profile to their primary tumour

... had a strikingly similar genetic make-up to their parent cells and behaved in a similar way. Therefore, metastases were likely to have the same response to a particular treatment as their primary tumour. The discovery has implications for the treatment of breast cancer once researchers have identified the...

Celiac disease is a risk factor for schizophrenia

...ere previously treated for celiac disease or had a parent treated for celiac disease. Both conditions are rare. The prevalence of celiac disease among schizophrenics was 1.5 cases per 1,000 compared to 0.5 cases per 1,000 in the larger control group. After adjusting for other factors associated with schizop...

Research adds health benefit to tomatoes

...o generations, backcrossing them with the original parent types. This work led them to confirm that anthocyanin fruits are transmitted in tomatoes by a single dominant gene, Aft. "We are learning about how anthocyanin genes are expressed in tomatoes, and how we might cross tomatoes to get more nutritional...

Parenting ethics panel explores thorny issues posed by technology

...lt questions: What is a parent? Who decides what a parent is? And will we, as a society, be satisfied with the answer? Linda Giudice, MD, PhD, professor of obstetrics and gynecology at Stanford University School of Medicine, will delve into these and other thorny issues during a panel discussion at the annu...

Protected wheat varieties

... the subsequent crop can be traced to the original parent crop. "You can tell them it's against the law," said Vinson, "and they'll say ?Why, I bought that seed. That's my seed and I'll do what I want with it.' "But they know it's a protected variety. It's on the tag. They have to sign a form when they buy ...

2004 AAAS annual meeting spotlights world health, oceans and family science

...ample, some 130,000 children had lost at least one parent to AIDS by the end of 2001. And, in sub-Saharan Africa, roughly a third of all children have lost both parents to the disease. Other diseases such as malaria are taking a disproportionately heavy toll on the developing world. In response, the Gates F...

JCI Table of Contents, January 15 2004

...properties, underlying the loss of function of the parent proteins. In an accompanying commentary, Bruce Kemp from St. Vincent's Institute of Medical Research in Australia discusses the impact of this report and how understanding this binding mechanism paves the way for rational drug design. He comments "Th...

Researchers find key gene in production of egg and sperm

...plained. "During meiosis, each chromosome from one parent must find its equivalent, or homolog, that comes from the other parent and must physically pair with it. The purpose of this behavior is to facilitate sorting of chromosom...

SARS coronavirus part bird, part mammal: study

...inant virus is infectious to humans, while the two parent viruses are not. This new virus likely then spread to humans due to poor hygiene and close quarters in the food markets of Southern China." Although there have been promising developments in SARS vaccine research, a truly effective vaccine is probab...

Hope available for patients with anemia and myelodysplastic syndrome

...ve the neurological toxicities associated with the parent compound. Its novel mechanisms promote heterotypic (different in kind) adhesion and cell cycle arrest, sensitization to death-receptor induced programmed cell death, abrogation (abolishment) of cellular response to receptor-initiated mutations signa...

Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez

... bounced ideas back and forth.'' In 1995, Viking's parent company, Penguin Group USA, published a paperback version of The Log from the Sea of Cortez with John Steinbeck named as sole author. The original book, Sea of Cortez: A Leisurely Journal of Travel and Research, had the misfortune of being published ...

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