Tag: "rates" at biology news
Insight into DNA's 'weakest links' may yield clues to cancer biology
... break." Organisms normally exhibit extremely low rates
of mutation and chromosomal rearrangements. Conditions that elevate genomic instability lead to an increase in cell death and, in some cases, an increased incidence of cancer, Petes said. Earlier work by other researchers had shown that mammalian ch...
Study: Turkey hunting most dangerous, deer hunting most deadly
HERSHEY, PA-Turkey hunters have higher rates
of shooting-related injuries than hunters of other...ing and the hunters' ages, with the highest injury rates
reported in hunters under the age of 20. "This study examined differences in characteristics and rat...
Acid rain likely stunts US forests
...longer maintain healthy growth rates. Poor growth rates
such as these generally precede high mortality rates
in the near future. The declining tree health has occurred despite a warmer and wetter climate in t...
Defenseless plants arm themselves with metals
...umulate metal. They also compared fungal infection rates
in both types of plants when grown with or without exposure to the metal nickel. They found significantly higher levels of salicylic acid in the hyperaccumulator compared to the non-accumulator. In addition, while Thlaspi thrived in metal-enriched so...
Fasting intermittently reduces cell proliferation, a marker for cancer risk, study finds
...et exhibited significantly decreased proliferation rates
for skin, breast and T (lymphocyte) cells. The gre...ttently. Mice in this group had skin cell division rates
that were 81 percent of those for mice fed freely. In all cases, division rates
for breast cells wer...
Plan to protect soybean crop is ready
... there will be specific information on recommended rates
of use and possibly alternate use rates. "The hope is to minimize the impact of an Asian Rust epidemic by ensuring that soybean producers have the information they need on scouting and treating soybean rust," Holshouser said. Research continues on fi...
A regulatory network analysis of phenotypic plasticity in yeast
...of phenomena, from how essential genes are, to the rates
at which they have evolved, to the probability that they are lost over evolutionary time. In the yeast gene regulatory network, some genes are turned on and off by just one 'regulatory gene' while others are influenced by ten or more regulatory genes...
Mitsubishi offsets carbon footprint through investment in Madagascar's rain forest
...missions resulting from reduction in deforestation rates
are not yet included in the rules defined by the Kyoto Climate Treaty. "While not yet recognized under Kyoto, many organizations see value in investing in 'Conservation Carbon' because of the multiple benefits achieved through reducing climate chan...
From gene discovery to preventing eye disease in retinitis pigmentosa
...t can show different severities of vision loss and rates
of disease progression. This effect is most dramatic across the retina of some individuals where regions with normal vision can abut regions of no vision. Environmental factors have been near the top of the suspect list for this variation in severity...
Fewer fish discarded after individual transferable quotas offered
...l caps on the fleet. After a period of adjustment, rates
have remained generally similar or even less than ...es, the researchers found British Columbia discard rates
of 14 percent and 19 percent in two recent fishing seasons, compared with 43 percent and 31 percent ...
Protein protects kidneys from damage caused by chronic renal disease and injury
...usceptible to renal injuries, had higher mortality rates
and showed more fibrosis and scarring than normal mice. Our data suggest that KCP could have the potential to be a therapeutic agent for fibrotic renal disease in humans." Results of the study were published March 27 by Nature Medicine on its Advan...
BRCA1 causes ovarian cancer through indirect, biochemical route
...handle on the problem by looking at ovarian cancer rates
in genetically modified mice created in collaboration with Robert Maxson, Keck School professor of biochemistry and molecular biology and director of the mouse core facility at the USC/Norris Cancer Center. "The whole project was based on creating a ...
Researchers reveal the infectious impact of salmon farms on wild salmon
...to maintain its salt-water balance. When infection rates
are high enough, the parasites feed on the fish at rates
greater than the fish can feed itself, literally eating the fish alive. Adult salmon can survive sea...
Separate genes influence speed, accuracy in decoding written words in dyslexia
...y the UW team on familial patterns of accuracy and rates
of decoding, the research also provides the first evidence identifying separate genetic influences on these abilities. "In other published and in-press research we have shown that accuracy of decoding may be a bridge to reading at one stage of learn...
Aspirin is safer than warfarin and just as effective for treating blocked arteries in the brain
...r they received aspirin or warfarin. However, the rates
of major hemorrhage and death from all causes were...igher in the patients treated with warfarin (event rates
for aspirin compared to warfarin, respectively, were 3.2 percent vs. 8.3 percent for major hemorrhag...
Was Agns Sorel, the first official royal mistress of France, poisoned?
...he died is not known yet, however, incredibly high rates
of mercury have been found in her mortal remains. This finding opens the door to different hypotheses. The results of this study were presented today in Loches (France), where the corpse has been reburied after it was exhumed last September for this ...
Growth factor in baby formula could reduce NEC, most devastating GI disease in preemies
...f mortality vary widely, up to 40%. International rates
of incidence and mortality are thought to be similar. Although there is no effective treatment, the incidence of NEC among formula-fed babies is estimated at six to 10 times higher than breast-fed babies, indicating important direct benefits of mothe...
'Mandela's Paradox' may show that osteoporosis propensity starts in pre-teen years
... African adults have among the lowest hip fracture rates
in the world," according to the study's lead autho...rn' lifestyles, we may see an increase in fracture rates
as their genetic advantage is outweighed by lifestyle influences. It will be important to follow up ...
New study documents the detrimental impact of teen beverage choices
SAN DIEGO, April 3, 2005 To combat the escalating rates
of childhood obesity, parents should go beyond what's on their children's plate and look at what's filling their glass, suggests a new study that was presented today at the Experimental Biology scientific conference. The study found that no other sin...
Moderate aerobic exercise improves cardiovascular and nervous system function in HIV+
...isease, the exercising group exhibited lower heart rates
both at rest and during exercise, compared to the non-exercising group," Spierer reported. Baroreflex sensitivity was higher for HPF vs. HPU (p=.003) and for HPF vs. HNU (p=.004). "This indicates a greater control of blood pressure in response to ex...
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