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Tag: "produce" at biology news

One species, many genomes

...udies to other species we hope to help breeders to produce varieties that are optimally adapted to rapidly changing environmental conditions," explains Weigel. He is already collaborating with the International Rice Research Institute (IRRI) in the Philippines to apply the methods and experience gathered wit...

Research identifies protein that signals flowering in squash plants

...vector was important as these plant viruses do not produce sub-genomic RNA species, whose presence could lead to confounding results. The authors found that C. moschata plants could be induced to flower under the normally non-inducing LD conditions following ectopic expression of FT by the ZYMV vector. Analy...

Bigger horns equal better genes

...bex's horns because they are costly for an ibex to produce and maintain. "[The horns] require a lot of energy to build and then carry around. They can be a meter long and are quite heavy, and the ibex carries them for their lifetime, unlike antlers which are shed every year. They also cause the ibex to l...

Envisat captures first image of Sargassum from space

...ment of the amount of chlorophyll in vegetation to produce detailed images of chlorophyll per unit area. MERIS is uniquely suited for this because it provides images of above-atmosphere spectral radiance in 15 bands, including three bands at wavelengths of 665, 681 and 709 nanometres in order to measure the ...

Dirty snow may warm Arctic as much as greenhouse gases

...emissions can prevent further warming but does not produce immediate cooling....

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...uld be "read" by yeast. The yeast are then able to produce the PfMDR1 protein, in its proper sequence, from this synthetic gene. They previously used this same technique to create and express a synthetic version of the much smaller PfCRT gene. PfMDR1 is made up of about 4,000 base pairs and its protein is pa...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...productive tissues because young women with cancer produce a compelling need and are a good model for other t... developing methods to stimulate ovarian tissue to produce eggs outside the body, a process that could also make in vitro fertilization a lot more affordable. ...

New study finds genetically engineered crops could play a role in sustainable agriculture

...particular modification, which causes the plant to produce an insecticide internally, can have an environmental benefit because large-scale insecticide spraying can be avoided. Organisms such as ladybird beetles, earthworms, and bees in locales with “Bt crops” fared better in field trials than those within l...

Brightening prospects of using fluorescent nanotubes in medical applications

...ne 7, they describe a method that can successfully produce large batches of highly fluorescent nanotubes. ... the process. The VINSE team reports that they can produce populations containing trillions of nanotubes with a quantum efficiency of 1 percent, a factor of 10...

Migration alert -- How tumor cells home in on the lymphatic system

...planation along with data to support it. Tumors produce excess fluid that continually percolates from the ...vides the first evidence that tumor cells can both produce and use the same signaling molecule, and it highlights the significance of the biophysical environme...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...rate songs ‘honest,’ or why all individuals cannot produce them ad nausea and try to get mates,” said McGraw. “The reason typically is that long tails and fancy dances incur costs. Testosterone, for example, has been thought of as a double-edged sword as it relates to sexual signals, because it enhances trai...

New findings challenge established views on human genome

...test the feasibility of a full-scale initiative to produce a comprehensive catalog of all components of the human genome crucial for biological function. “This impressive effort has uncovered many exciting surprises and blazed the way for future efforts to explore the functional landscape of the entire h...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...e DNA to the nuclei of cells, causing the cells to produce a fluorescent protein that glowed green. The same ... said. "Only when it is in the nucleus can the DNA produce proteins that perform specific functions and correct genetic disease conditions." When the cargo-...

Exploring the dark matter of the genome

...ncing. Celniker says, "We grind up whole flies and produce libraries of DNA fragments of two sizes, some that are 2 kilobases long" -- a kilobase (Kb) is 1,000 bases -- "and some that are 10 kilobases long. Contiguous lengths of sequence are assembled by matching overlaps of these fragments. With euchromatin...

In nature, proteins sweep up nanoparticles

...hat the proteins travel far from the microbes that produce them, and then amass metal nanoparticles into piles that are too large to be swept away by underground currents. Precisely how and why the bacteria undertake this bit of housecleaning remains a mystery, but it suggests that proteins could play a key ...

The kapok connection -- Study explains rainforest similarities

...ead poking above the forest canopy. Its flowers produce more than 50 gallons of nectar per tree in a season, attracting bats that travel as far as 12 miles between trees and transfer pollen in the process. When the seed pods ripen, they break open to reveal fluffy fibers that are used to stuff pillows and...

Mutating the entire genome

...00 genes, which carry the code needed for cells to produce the proteins used to make body parts and carry out most functions in living organisms. Genes typically have 50,000 base pairs but can range in size from a few thousand to 300,000 base pairs, Capecchi says. The genes include only about 2.5 percent...

Researchers demonstrate way to control tree height

...lentiful seed. In orchards, semi-dwarf fruit trees produce more fruit that is easier to harvest. The improvements in cereal yields have been credited with preventing the starvation of millions. ...

Researchers identify protein pathway involved in Parkinson disease development

...sulting from the loss of neurons in the brain that produce dopamine. This lowering of dopamine leads to decreased stimulation of the brain's motor cortex. Although scientists have not known the exact cause of the loss of these dopamine-producing neurons, they believe it is related to dysfunctional mitochon...

3-D ultrasound scanner provides in-depth view of the brain

...und waves like water from a hose. That way, it can produce an image of the brain with just the tip inserted through the skull. The researchers demonstrated that the brain scanner can successfully image the brain of a dog. Guided by the device, team member Srinivasan Mukundan of Duke Medical Center directe...

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