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Tag: "maize" at biology news

Researchers attach genes to minichromosomes in maize

...ered a way to create engineered minichromosomes in maize and attach genes to those minichromosomes. This di...e of their protein-rich composition, a part of the maize kernels (called an endosperm) can be used to grow animal proteins and human antibodies that treat di...

Biologists develop large gene dataset for rice plant

...n the many important cereal crop plants, including maize and wheat." Research on small RNAs "is a leading edge in plant biotechnology," said Machi Dilworth, Director of the National Science Foundation (NSF)'s Division of Biological Infrastructure, which along with the U.S. Department of Agriculture, fun...

Mummy's amazing American maize

...Manchester researchers compared the DNA of ancient maize found in the funerary offerings of the mummy and a...significance ?the indigenous people were amazed by maize and even worshipped it. "Given the immense changes that took place in South America following the...

Genome archaeology illuminates the genetic engineering debate

...esearchers who dug deeply into the long history of maize and rice. Their resulting insights into plant geno...rsey. By comparing corresponding segments of two maize (corn) chromosomes with each other, and then to a corresponding segment of rice, project scientists ...

New biochip helps study living cells, may speed drug development

...rogen fertilizer -- you could transform a group of maize cells with these genes and then screen each cell to determine the most efficient. Then you could raise the one that needed the least fertilizer, rather than putting a lot of different genes into hundreds of plants and waiting for them to grow, as is ...

More than drought affecting wheat yields

.... In addition, 50 percent of the samples contained maize red stripe virus, more commonly known as High Plains virus. Both diseases are vectored by the wheat curl mite, Allen said. And so far, there's no treatment for either the viruses or the mite. The Great Plains Diagnostic Network is a part of a nation...

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

...little or no stimulation for C4 crops that include maize and sorghum," said Stephen P. Long, a U. of I. plant biologist and crop scientist. FACE technology, such as the SoyFACE project at Illinois, allows researchers to grow crops in open-air fields, with elevated levels of carbon dioxide simulating the c...

The evolution of food plants: Genetic control of grass flower architecture

...m at the tips of compact axillary branches. Normal maize ears are unbranched, and tassels have long branche...nt in cereal grasses. The ramosa2 (ra2) mutant of maize has increased branching of inflorescences relative to wild type plants, with short branches replaced...

CU, USDA team to curb two invasive, poisonous vines

...e plants are growing with increasing vigor in some maize and soybean fields and are altering forest regeneration patterns. Native populations of pale swallow-wort ( Vincetoxicum rossicum ) in Ukraine and black swallow-wort ( V. nigrum ) in southwestern Europe are kept in check, though, by native natural e...

Plants give pests sock in the gut

... insect-resistant plants, one enzyme -- Mir1-CP or maize insect resistance cysteine protease, in particular... response to the insect feeding, studies show that maize tissue that naturally expresses Mir1-CP causes a 50 percent inhibition in caterpillar growth. Transg...

University of Arizona plant scientists to unravel maize genome

...tium of four research institutions to sequence the maize genome: The University of Arizona, Washington Univ...ect is to unravel the complete DNA sequence of the maize plant and to determine the number of genes and their position on the chromosomes - the tiny bundles ...

Kenya halts first field trials of GM maize

...ying the country's first genetically modified (GM) maize growing in open field trials. The government halt...a technician had sprayed a restricted pesticide on maize modified to resist attack by insects called stem borers. Wilson Songa, Kenya's agriculture secretar...

Corn grain mould used as pesticide

... it is claimed. "It can scarcely be prevented that maize or nuts will be infected to a certain extent with brown mould," Sebastian Kiewnick emphasises. "We can only influence which strain of aspergillus grows on it: a dangerous producer of toxins ?or the non-toxic variant." ...

Genetically modified maize not found in southern Mexico

...ly modified (GM) corn has not yet spread to native maize crops in southern Mexico. After analyzing tens of thousands of seeds from maize crops grown in 2003 and 2004, researchers from Mexico and the United States found no evidence of tra...

Environmental lessons from tsunami as world's coastal population doubles

...ional farming systems which integrated coffee with maize in Honduras were much better at recovering from Hurricane Mitch in 1998 than farming systems which solely grew coffee. Dr Adger, of the Tyndall Centre at UEA, argues that maintaining resilience is the key. New scientific insights from ecologists sho...

Insects develop resistance to engineered crops

...whose genes are inserted into crop plants, such as maize and cotton, creates these toxins that are deadly t...Bt proteins as in the two-gene plant." Cotton and maize are the only commercial crops engineered with Bt genes. In 2004 these crops were grown on more than ...

Researcher gets NSF grant to create mutant maize lines

...elp assemble a unique database of DNA mutations in maize (corn). The project not only will allow researche... be made widely available to researchers. The new maize lines could one day lead to plants with tailor-made properties, such as higher protein or vitamin co...

Affymetrix Unveils Plans to Double Plant and Animal Genome Microarray Offering

... ofdiverse species using an early prototype of the maize array-- Dr. Brett Tyler who studied transcriptional profiling ofPhytophthora sojae infection of the soybean plantThe Affymetrix GeneChip Consortia Program is a collaborative initiativethat enables the plant and animal research communities to consolid...

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