Tag: "domestication" at biology news

NSF awards 22 new projects for plant genome research

...ses that shaped the genomes of these plants during domestication and identify the traits that lead to weediness. And a project at Mississippi State University will work to develop genomic tools for loblolly pine, the primary source of pulpwood for the U.S. paper industry and a major crop in the southeastern states...

Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone

...he subsequent development of plant cultivation and domestication in the region " explains Dolores Piperno, lead aut...Holst, had used starch analysis to chronicle plant domestication in the New World tropics [see references, below]. Harvard University archaeologist, Ehud Weiss and...

The first domesticated donkey was born in Africa

...owever, there was no solid evidence of where their domestication may have taken place. The majority of species were... The scientists have also discovered the number of domestication events that took place. The study of the domestic populations places these individuals in two large...

Domesticated tree crops may be the 'future of forestry'

... escaping into the wild." Meilan said he sees tree domestication as a partial solution to the myriad problems associated with human population growth, such as loss of agricultural lands, encroachment on wildlife areas and increased consumption of natural resources. "I'm not suggesting that we have genetically engi...

Newly cloned gene key to global adaptation of wheat

...wering in spring. "During the 10,000 years of domestication of wheat, different mutations occurred in these tw... vernalization system is very flexible. During the domestication of wheat, barley and other temperate cereals, different loss-of-function mutations occurred in the v...

Rapidly evolving genes providing new insights in plant evolution

...nd breeders who need to understand the genetics of domestication and breeding of crops that may have an impact on farming. His work is important, too, to molecular biologists who want to understand the pattern of differentiation and origin of genes and gene families. These goals could have an effect on assessmen...

Emerging frontiers genomics grant for blue-green bacteria

...e more fixed nitrogen, a process Meeks compares to domestication of cattle to produce milk. An ultimate goal of the research is to learn about the process so that crop plants could be engineered to domesticate Nostoc, Meeks said. Existing crop plants that fix nitrogen, such as beans, form a relationship with a di...

Forest preservation work turns to Carolina hemlock

...here they taught a three-day tree-conservation and domestication program to 125 university, government and private industry participants. Presented entirely in Spanish, the course covered forest-gene conservation, genetic improvement, tree-breeding theory and practice, and vegetative propagation. "The interest am...

An origin of new world agriculture in coastal Ecuador

... February 14th issue of Science, may predate plant domestication sites in the Mesoamerican highlands. The fertile and amazingly diverse lowland tropics seem like a likely place for agriculture to develop. But few plant remains survive mold, high temperatures and rainfall. Luckily for archaeologists, one of the ...

Obesity not a personal failing, but a battle against biology

...the risk of starvation was low because of farming, domestication of animals and the ability to store food -- Western civilizations, for example -- the same genes that protected people from starvation may have exposed the obese to significant health consequences, such as diabetes and heart disease. Modern-day human...

Once big bad wolf, now man's best friend: Science studies trace dogs' origins

...rally looked to the Middle East as the setting for domestication of plants and animals, according to Savolainen. "M...ps were the result of multiple wolf introductions, domestication should have begun around 15,000 years ago, the researchers found. If there had only been one wolf in...

UCR's Arturo Gmez-Pompa receives Honorary Researcher Award and the Gold Medal Merit Award

...otanical studies of the Maya region, evolution and domestication of tropical trees, management and conservation of tropical biodiversity, floristic databases and community-based conservation projects. The Honorary Researcher award will provide Gmez-Pompa with opportunites for collobarative research projects and ac...

Geneticists trace 'sticky' rice's origins

...evolutionary and geographical origins of important domestication traits in crops." Purugganan and Olsen now plan to study other genes involved in starch synthesis in rice. Research funding for the study of the origin and evolution of glutinous rice was provided by the Alfred P. Sloan Foundation....

ASPB Annual Meeting, August 3-7, media tip sheet

...imuth Siritunga, Ohio State University - discusses domestication of cassava: generation of cyanogen-free cassava. Ruediger Hell, Institute of Plant Genetics and Crop Plant Research - explains how over-expression of feedback-insensitive serine acetlytransferase leads to elevated cysteine and glutathione contents in...

Wild plant or food plant?

...), making phytoliths even better evidence of plant domestication events. Sometime after the last ice age, inhabitants of the western hemisphere began to select and cultivate food plants. Plant remains at archaeological sites may not be well preserved, but features often contain phytoliths, tiny silica dioxide dep...

'Meow' isn't language, but enough to manage humans

...ery well. The first individuals to be accepted for domestication must have been exceptional, but of course that's the point from which things start to evolve." Having said that, Nicastro turns off the lights in his Cornell office and heads home, where urgent calls for the can opener await. "They're not little peop...

Genetic marker tells squash domestication story

...l and ethnobotanical evidence for six, independent domestication events in the New World. Even Oris Sanjur, who co...ld be seriously considered as a possible region of domestication for one of the lineages of C. pepo squash, which was formerly thought to have originated in eastern ...

Genetics sheds light on origins of farming

...nt pinpointing the specific geographical region of domestication for that plant. He also will propose that the reason most genes for domestication are linked on specific chromosomes may be that this chromosomal linkage is a necessary condition for...

How wild horses were tamed by humans is uncovered by biologists from UCLA, Swedish universities

...tion, but this genetic diversity suggests that the domestication of horses must have been widespread. The theory that a few horses from one population were domesticated by a single clever culture does not fit. In many parts of the world, people must have independently started to domesticate wild horses, said Carle...

Natural selection for lactose tolerance

... digest milk after they were weaned. However, the domestication of mammals approximately 9,000 years ago presented... for fresh milk as it became available through the domestication of animals. This event therefore provides a second, and more recent, stage at which to evaluate evol...

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