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Tag: "rice" at biology news

One species, many genomes

...ence gathered with Arabidopsis to twenty different rice varieties. How environment and genome interact is also the goal of new, even more powerful methods. While the technology used so far can only identify genes that have changed or are lost relative to the reference genome, direct sequencing of the ge...

Research identifies protein that signals flowering in squash plants

...r in late spring or early summer. SD crops include rice and maize, and LD crops include wheat, barley, oats and peas. Day-neutral plants will flower under either long or short days. In addition to its fundamental importance in basic plant biology, understanding and manipulating the photoperiodic control o...

Researchers demonstrate way to control tree height

...of the “Green Revolution,” in which plants such as rice or wheat were created that directed less energy to height growth and more to development of stout stems and plentiful seed. In orchards, semi-dwarf fruit trees produce more fruit that is easier to harvest. The improvements in cereal yields have been ...

New knowledge improves rice quality

...o boost the income of the world’s millions of poor rice farmers and at the same time provide consumers wit...asting food. New scientific knowledge is allowing rice researchers to develop better quality rice varieties that could fetch a higher price from consumers,...

Biologists develop large gene dataset for rice plant

...eic acids (small RNAs) in rice. The analysis of rice was based on gene sequences representing nearly 47...es to stress," Meyers said. "Many of small RNAs in rice have related sequences in the many important cereal crop plants, including maize and wheat." Rese...

Genome archaeology illuminates the genetic engineering debate

... in much of the third world and a bio-fuel source; rice is the primary dietary staple for more than half the world's population. Scientists have long known that the number of chromosomes among some plant species has changed over time, with some evolutionary phases showing four, six, eight or more sets....

Discovery of the first resistance gene to rice yellow mottle virus

...ince been reported in most African countries where rice is grown. The disease is characterized by the appe...mosome 4 containing the resistance gene. Data from rice genome sequencing have been extremely useful for research on this fragment to find out if one gene r...

From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea

... It turns out that the international demand for rice is one of the main drivers of methane production on the planet. Studies have shown that rice farming contributes between 10 and 25 percent of global methane emissions, thanks in large part to m...

A green way to slag off bunnies

...already known to act as an effective fertilizer in rice paddies and sugar cane fields. And as it’s not an active chemical, it could circumvent the convoluted pesticide regulatory approval pathway and be used straight away. ...

Iowa State researchers improving plastics made from corn and soy proteins

...s used ultrasonics to freeze strawberries, process rice and handle many other applications. The researchers are also using microcellular foaming technologies from Trexel Inc. of Woburn, Mass., to mold and extrude the plastics. The processing technology is expected to enhance the biodegradable plastics ...

A cleaner, greener rice industry

...o develop a series of environmental indicators for rice production in the region. When implemented, the i...onitor and compare the environmental impact of its rice production with that of its neighbors, and either correct any problems or improve on existing practi...

No-mow grass may be coming to your yard soon

...limiting brassinosteroids or increase the yield of rice by having more brassinosteroids in seeds," Chory s...she said, showed that limiting brassinosteroids in rice affected leaf angle and improved yield in densely planted fields. Vert and Chory's work helps trac...

A rice future for Asia

Whether it's rice farming or rice research, very few of Asia's best and brightest young people are interested in a career in an indust...

Biologists find regions of rice domestication

...wan have examined the DNA sequence family trees of rice varieties and have determined that the crop was do...nd found genetic markers that reveal the two major rice types grown today were first grown by humans in India and Myanmar and Thailand (Oryza sativa indica)...

Metal homeostasis research in plants will lead to nutrient-rich food and higher yielding crops

...sumption studies suggest that doubling the Iron in rice can increase the Iron intake of the poor by 50 percent. Rice is a staple food in many of the countries with widespread Iron deficiencies in human diets. Guerinot's lab has previously identified the essential Iron transporter responsible for Iron u...

New flood-tolerant rice offers relief for world's poorest farmers

A gene that enables rice to survive complete submergence has beenidentified...mpuses. The discovery allows fordevelopment of new rice varieties that can withstand flooding, thusovercoming one of agriculture's oldest challenges and off...

Researchers develop flood-tolerant California rice

...lippines. By gradually introducing into California rice "submergence tolerance," a property that enables rice to survive extreme flood conditions, the researchers show how potentially any variety of rice could ...

Food-crop yields in future greenhouse-gas conditions lower than expected

...witzerland; managed pasture at Bulls, New Zealand; rice at Shizukuishi, Japan; and soybean and corn crops at Illinois. In three key production measures, involving four crops, the authors wrote, just one of 12 factors scrutinized is not lower than chamber equivalents, Long said. "The FACE experiments clea...

A more powerful and efficient engine for rice: the C3-C4 challenge

...to develop and use a radical new approach to boost rice production and avoid potential rice shortages, or even future famine. Scientists have been working on different aspects of the approac...

How nice, brown rice: Study shows rice bran lowers blood pressure in rats

...sts in Japan have shown that this waste product of rice processing, called rice bran, significantly lowers blood pressure in rats whose hypertension resembles that of humans. The ...

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