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Tag: "fruit" at biology news

Regulating the nuclear architecture of the cell

... architecture, maintaining genome stability in the fruit fly Drosophila melanogaster. Their results are pub...ning how nuclear organization is controlled in the fruit fly can apply to human disorders like birth defects and cancer. The organization of structures in th...

Using nature's most primitive anti-viral defense system to find new approaches to cancer research

The humble fruit fly and a grant from the AICR ?the Association for...itute for Cancer Research (LICR) is using the tiny fruit fly, Drosophila, as a simple genetic system in which to identify genes that may impact on the spread...

Researchers in Montréal and the US create model of key immune-system component

...zing a cell line of phagocytes from the Drosophila fruit fly, a common biological model, the researchers identified more than 600 proteins that may be involved with the operation of the phagosome. They then constructed a detailed map of the interactions among these proteins and were able to identify previ...

Genetic surprise confirms neglected 70-year-old evolutionary hypothesis

...sky, a well-known evolutionary geneticist, studied fruit flies in the infant days of genetic research in 19...ngly bleak. Masly brought together two species of fruit fly--the workhorses of the genetics world--to see what genes were active when they were crossbred. O...

Sea urchin genome suprisingly similar to man and may hold key to cures

...n other more widely studied animal models, such as fruit fly or worms. The purple sea urchin, in fact, has 7,000 genes in common with humans, including genes associated with Parkinson’s, Alzheimer’s and Huntington’s diseases and muscular dystrophy. "Another surprise is that this spiny creature with no e...

Tracing the formation of long-term memory

The formation of long-term memory in fruit flies can be demonstrated by the influx of calcium...xposed to odor," said Davis. When they exposed the fruit flies or Drosophila to the odor 24 hours after spaced training, they saw much more calcium flowing i...

Fruit fly study identifies gene mutation that regulates sensitivity to alcohol

...rancisco (UCSF) have discovered a gene mutation in fruit flies that alters sensitivity to alcohol. The find...ch Center. The scientists examined the behavior of fruit flies (Drosophila) exposed to alcohol. Ordinarily, at low doses of alcohol fruit flies increase thei...

A buffet for early human relatives

...e seasons 1.8 million years ago, eating leaves and fruit when available in addition to seeds, roots, tubers...arly humans ate so-called C3 plants, which include fruit and leaves from trees in both the forest and savanna, and C4 plants, which grow mostly on the savann...

Researchers identify neurons that assign value during learning

...earchers have been able to identify neurons in the fruit fly Drosophila that are responsible for assigning ...e on behavior. For example, if an animal such as a fruit fly learns to associate a particular odor with a punishing stimulus, the odor itself can become repu...

A valuable fly for research into disease

...ual pathologies, heart disease. A tiny insect, the fruit fly (Drosophila melanogaster) is providing an excellent model system to unravel these diseases and many others. More than 5,000 researchers worldwide are currently working with this organism and producing results that will have beneficial effects for...

Edible coatings will be the packaging of the future

...desertisation of the soil. The edible coating of fruit is currently the best-known example of the application. However, it is a packaging system particularly efficacious for conserving foodstuffs that are high in polysaturated fatty acids, susceptible to oxidation, such as nuts, meat and certain fish suc...

Compound eyes, evolutionary ties

...sence of a key protein in the compound eyes of the fruit fly (which glow at center due to a fluorescent pro...ivity. In contrast, beetles (shown surrounding the fruit fly), bees and many mosquito species have the light-gathering units fused together into a "closed sy...

Underweight women at greater risk of miscarriage

...gnificantly by taking supplements and eating fresh fruit and vegetables, according to study findings publis...d multivitamins, which contain these. Eating fresh fruit and vegetables daily or on most days was also found to halve the odds of miscarriage and, in a findi...

Evolution of Old World fruit flies on three continents mirrors climate change

...s to be triggering genetic changes in a species of fruit fly that is native to Europe and was introduced in...l Science. The research deals with an Old World fruit fly species called Drosophila subobscura, which originally ranged from the Mediterranean Sea to Scan...

Stem cells engage in dialogue with the cells that regulate their futures

... germline stem cell niche, found in the ovaries of fruit flies, as a model system. The production of fruit fly eggs depends on the presence of a renewable source of stem cells in the ovary of the adult fruit...

With fruit fly sex, researchers find mind-body connection

Male fruit flies are smaller and darker than female flies. Th...McKeown has been steeped in the science, using the fruit fly as a model to understand how genes build a nervous system that, in turn, controls complex behavi...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...tor to life extension. Without Sir2, for example, fruit flies see none of the benefits from either calorie restriction or treatment by resveratrol. The mammalian version of the Sir2 gene is SIRT1, which has the same enzymatic activity as Sir2, but modifies a wider variety of molecules throughout cells. I...

NYU scientists identify how development of different species uses same genes with distinct features

...the journal Science. The researchers examined the fruit fly Drosophila and the wasp Nasonia as genetic model systems. Fruit flies?development is well-understood by biologists and therefore serves as an appropriate focus for genetic analyses. In this study, the researchers sought to explore the generality ...

Breathing easy: When it comes to oxygen, a bug's life is full of it

...icient oxygen supply. He is examining the role the fruit fly’s genes play in the ability of its nerve cells...e development of the tracheal system in the embryo fruit fly, noting how cells form into trachea, and how trachea branch to smaller trachea and eventually co...

100 percent juices found as beneficial to health as fruits and vegetables

...omes to some of today’s health issues, 100 percent fruit and vegetable juices do help reduce risk factors r...ants which are present in both juice and the whole fruit and vegetables. This 2006 review of the literature states, “When considering cancer and coronary...

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