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Tag: "comparison" at biology news

Study Demonstrates Gene Expression Microarrays are Comparable and Reproducible

...ies can produce highly comparableresults. For this comparison study, appearing in the Jan. 15, 2005,Clinical Can...ra, Calif.,contributed part of the arrays for this comparison study and providedtechnical assistance to the four sites carrying out the study. ArdaisCorporation, ...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

...e Kawasaki patients butonly one (5 percent) of the comparison group tested positive for theNew Haven coronavirus.In an accompanying editorial, Kenneth McIntosh of Harvard Universitycommented that discovery of a new human respiratory coronavirus wouldnot be surprising, since studies in the 1960s and 1970s had po...

Whole genome fine map of rice completed

...for the paternal strain¡°93-11¡± (Indica), and its comparison with the genome sequence of the Japonica. It is reported that BGI will finish whole genome assembly and analysis for the maternal strain "PeiAi 64" (its main genetic background being Japonica, as well as a mixture of Indica and Japonica genes ). Thi...

Novel Enzyme Shows Potential As An Anti-HIV Target

At just 9.8 kilobases, the HIV genome pales in comparison to the 3.2 gigabases of its human and nonhuman primate targets. The compact retrovirus encodes just 14 proteins, which play different roles in promoting viral infection and virulence. As a retrovirus, HIV uses the host’s cellular machinery—including ...

Bone Density Recovers After Teens Stop Injected Contraceptive

...sity scores were “at least as high as those of the comparison women at all of the anatomical sites.?/p> The current study was conducted to follow up an earlier study of older women (18-39 years old.) That study found that the older women lost bone density while using DMPA and increased bone mass after disco...

Protein offers way to stop microscopic parasites in their tracks

... adhesive spots have a significant disadvantage in comparison to a chain: if the belt is to continue rotating, t...be targeted with inhibitors," Sibley says. "And by comparison to TgROM5 we can now point to highly similar proteins in malaria and other related protozoa that are...

Pathogen-Mimicking Vaccine As Strategy For Cancer Therapy

...onitoring across the CVC, allowing a more accurate comparison of the effects of CpG 7909 in this trial with the results of several other adjuvants that have been tested in other trials. By comparing single variables in parallel we believe we can develop effective cancer vaccines in a much shorter time than the ...

Advances in the characterisation of the oyster mushroom genes

...ynthesis of the cDNA of each gene and, by means of comparison with the corresponding genomic sequence, the characterisation of their structure. Regarding their location on the linkage map, it has been found that four of the five genes are located on the same chromosome, quite near each other, and the other is ...

Key mechanism in genetic inheritance during cell division identified

...d to fulfill the functions of the Dam1 complex. In comparison with the purified Dam1, the Dam1 mutants produced partially formed rings that reduced microtubule binding. "Because the stability of a microtubule is thought to be largely governed by the lateral interactions between adjacent protofilaments," the au...

Different microarray systems more alike than previously thought

A multicenter comparison of equipment that can analyze the expression of thousands of genes at once to create a genetic "fingerprint," suggests these different microarray technologies are more alike than once thought. Published in the May 2005 issue of Nature Methods, the s...

Shift of weather patterns necessitates rethinking of reforestation methods

...dling survival." Second-year data from an ongoing comparison of planting methods show that survival rates could be significantly increased by using containerized seedlings and planting in the fall instead of the winter or early spring. In 2000, a Texas Forest Service survey showed Texas had 12 million acres i...

Biomarkers isolated from saliva successfully predict oral and breast cancer

...,000 types of human mRNA from saliva, setting up a comparison test between cancer patients and the normal subjects based on analysis of their genetic "profiles." "Both serum and saliva exhibited unique genetic profiles," said Wong. "The risk model yielded a predictive power of 95 percent by using only the sali...

Molecular fossils uncover link between viruses and the immune system

...emistry and biology, which have permitted detailed comparison of viral structures in atomic detail. Such comparison led to the discovery that viruses without any sequence homology may be related. Earlier approaches ...

Thai spice helps cut blood sugar swings

...ixes." Next steps Wielinga again warned that any comparison between rats and humans regarding HCA have to be treated very carefully. However, he said now that it is known where HCA has an effect in rats, the next step is to try and uncover its mechanism. He said that "if we can reduce the peaks and valleys of...

NHGRI targets 12 more organisms for genome sequencing

...ively as an experimental model, will be a valuable comparison with other insects, such as the closely related in...20 billion annually. The wasp will serve as a good comparison for the honey bee genome, which has been sequenced already. Two related wasp species, Nasonia giraul...

U. Iowa researchers improve Huntington's disease symptoms in mice

...ological damage also was significantly improved in comparison to untreated mice. Detailed examination of the protein levels in the treated mice showed that levels of the toxic HD protein were reduced to about 40 percent of the level seen in untreated mice. "It is very exciting that a partial reduction is suff...

Chronic Sinus Infection Thought To Be Tissue Issue, Mayo Clinic Scientists Show It's Snot

...septoplasty, surgery to fix a deviated septum, for comparison with the specimens from the chronic sinus infection patients. Through various forms of laboratory examination of the tissue and attached mucus, the investigators observed an abundance of major basic protein throughout the nasal and sinus mucus in all...

Grass makes environmentally friendly biofuel

...y from going forward, he says. Cherney has made a comparison of wood pellets with various mixes of grasses and the BTUs (British Thermal Units) produced per pound. He has found that grass pellets can be burned without emissions problems, and they have 96 percent of the BTUs of wood pellets. He also notes that ...

Stem cell treatment improves mobility after spinal cord injury

...how significant improvements in walking ability in comparison to injured rats who received no treatment. In the rats with 10-month-old injuries, though, motor skills did not return. Although the oligodendrocyte cells survived in the chronic injury sites, they could not form myelin because the space surrounding...

Understanding biases in epidemic models important when making public health predictions

...acteristics of an infection and they can allow the comparison of alternative control measures. Often, however, such models make implicit assumptions that may systematically bias their predictions, say researchers at the University of Georgia. In a paper published today in the online open-access journal PLoS (P...

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(Date:8/19/2014)... supermarkets to encourage healthier spending habits? A new study ... question by tracking the purchasing records in a supermarket ... the nutritional value of foods for sale. , The ... PhD, and Brian Wansink PhD, author of Slim by ... Hannaford Supermarkets in the Northeastern United States between January ...
(Date:8/19/2014)... at retail seafood counters in 10 different states ... consumers to unexpectedly high levels of mercury, a ... a fish of the same species, but from ... offense, according to new research by University of ... seafood is essential to allow consumers to choose ...
(Date:8/19/2014)... during warm phases and became extinct during cold phases, ... link between marine crocodilian diversity and the evolution of ... million years. , The research, led by Dr ... formerly from the University of Bristol, UK is published ... are ,cold-blooded, animals that mainly live in fresh waters ...
Breaking Biology News(10 mins):Seafood substitutions can expose consumers to unexpectedly high mercury 2Seafood substitutions can expose consumers to unexpectedly high mercury 3Evolution of marine crocodilians constrained by ocean temperatures 2
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(Date:8/20/2014)... in Australia examined patient and tumor characteristics for ... tumor cell growth) in an effort to increase ... , Author: Sarah Shen, M.B.B.S., ... colleagues. , Background: The tumor characteristic known ... been connected with prognosis and survival in melanoma ...
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