Tag: "fruit" at biology news

International Research Team Clones New Skin Cancer Gene

...PTC, a human gene similar to a previously reported fruit fly gene. "Nobody had a clue that this gene had an... do with human cancer, but some of the features in fruit flies were strangely similar to the birth defects in NBCCS", said Bale. The researchers found that i...

New Grapes From Cornell Debut

...pe. Both are white hybrids that combine excellent fruit quality with cold-hardiness derived from American ...sch. Marquis is moderately disease resistant. The fruit ripens in mid-September, after Himrod. Yield averages 5 tons/acre. Mildly fruity at first, Marquis...

Honeybees In The Wild Nearly Gone In North America

...ons tomaintain themselves." Small and medium-sized fruit and vegetable growers and backyardgardeners will l...ce the effects of the honeybeedecimation in higher fruit and vegetable prices at supermarketsand farm stands. Other insect pollinators, such as bumblebees an...

Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration

...s knew that North American migrating birdsconsumed fruit during autumn, but the extent and importance of th...arrish found that a dietary switch from insects to fruit occurred to somedegree in the majority of the 69 species sampled. Several species followeddiets that...

New Sensor Provides First Instant Test For Toxic E. coli Organism

...nfirmed cases ofinfections linked to unpasteurized fruit juice in late October; 9,400 cases offood poisoning in Japan during the Summer of 1995; and illnesses involvingsausage and hamburger meat contamination in the U.S. in 1993 and 1994. The 0157:H7 strain thrives in animal fecal material which is...

Scientists Identify Gene For Sexual Behavior In Male Flies

...e thatcontrols most or all sexual behavior in male fruit flies. Their researchis the first to pinpoint a si...his work shows that a gene can do so -- at leastin fruit flies," said Stanford biologist Bruce Baker , one of the fourprincipal investigators of the study. ...

Malnutrition Impacts Longevity Of Females More Than Males And Shows Gender Differences In Fruit Flies

Diet can change the rate of aging in fruit flies, even reversing thenormal longevity advantag...of the life spanof more than 400,000 Mediterranean fruit flies. It was conducted by UC Davisstatistics professor Hans-GeorgeMüller and entomology profes...

New Study Shows Steps Leading To Colon Cancer

... but with a set of partners." Describing work in fruit flies -- genetically similar to humans and far eas...rstand what happens normally, we can imagine using fruit flies to search for and test potential drugs which might turn off or block the signaling pathway tha...

Newly Identified Tomato Gene Appears Key To Fruit Softening

...heldthat pectin was the wall component critical to fruit softening. In fact,a genetically engineered tomato...edthat while pectin may determine other aspects of fruit quality, it is notthe primary determinant of fruit softening, according to Rose, who hopesthat the e...

Bacterium gobbles up chlorinated pollutants

...lso known as ethylene, the natural gas that causes fruit to ripen. Until the Cornell discovery, reported in the Science article "Isolation of a Bacterium that Reductively Dechlorinates Tetrachloroethene to Ethene," the best available bioremediation organisms could only reduce tetrachloroethene to vinyl ...

Scientists Bridge Gap In Cell Communication

...loop, said Laughon, whose work was accomplished in fruit flies taking advantage of the well-studied process by which signaling governs wing growth. "We've shown that the MAD protein is a direct regulator of target gene transcription in response to a (specific) signal." The mapping of the communica...

The American Phytopathological Society Announces 1997 Awards

... basic orapplied research on diseases of perennial fruit plants published in a recent,official APS publication. The 5,000 members of APS are devoted to plant health management in agricultural,urban and forest settings. Members are located worldwide. For moreinformation, access the Society's home page on...

Gene Shears In Cutting Edge Anti-Aids Trial

...ental Australian discovery is now starting tobear fruit in the form of practical applications which promise to improvehuman health and wellbeing," he said. "It highlights the national importance of CSIRO continuing to performexcellent basic science designed to gain new knowledge." The Sydney experimen...

Scientists Discover How Genes Work Together To Control Neural Development

... The researchers genetically engineered strains of fruit flies to testa number of genes whose protein products they suspected would be good candidates."There are two genetic directions you can take," Lai explains."If you want to show that a gene is important for some function, youtake it away and see what ...

Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival

... homeotic genes, includingthe one that can cause a fruit fly to grow a leg out of its head--orient theembryonic tissues as to where they lie in the body. In the case of that particular fly mutant, if the homeotic gene calledAntennapedia is turned on in the head segment, "the cells that bud off from thefly'...

Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor

...rent, what differentiates a crab from a mouse or a fruit fly from an eagle, is simply how those genes are expressed, he said. Until the advent of genetic techniques and recent work that has shown that animals, as embryos, share the same genetic machinery that governs body architecture, the only re...

Wild Plant Genes Increase Food Production

...22 percent for soluble contents and 33 percent for fruit color. Tanksley said this research has been confi...round the world under a variety of conditions, and fruit size has been increased in tomato lines by introduction of genes, identified through genetic mapping...

Female Fireflies Lure Males For Defense Chemical

...ders' response to lucibufagin also was tested with fruit flies (Drosophila melanogaster). When fruit flies were treated in the laboratory with lucibufagin, spiders either left the fruit flies alone or ...

Common Food Dye Can Cause Severe Allergic Reactions

...ive extracted from dried bugs and commonly used in fruit drinks, candy, yogurt and other foods can cause life-threatening allergic reactions, a University of Michigan physician has confirmed. The colorant, called cochineal (koch-uh-NEEL) extract or carmine dye, has been used for centuries---dating bac...

Presence Of Protein Extends Life; Potential Aging Mechanism Found

...y exposure to heat orcold. The researchers think fruit flies produce hsp70 after exposure to warmth,because it may re-establish other proteins adversely affected by warming. Hsp70may also interact with other stress response mechanisms. Transient but effective levels of hsp70 could be present when stre...

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