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Latest Model organisms Stories

2011-07-14 16:02:57

Many plants use similar genes to build their cell walls Plants have neither supportive bone tissue nor muscles, and yet they can form rigid structures like stalks and even tree trunks. This is due to the fact that plant cells are enveloped by a stable cell wall. The main component of the plant cell wall is cellulose, which represents almost 50 percent of the total cell wall material and, at one billion tonnes per year, is the most frequently produced macromolecule in nature. Very little is...

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2011-06-28 05:17:03

According to a new study, male mice that were exposed as babies to Bisphenol A (BPA) acted more like females and were seen as less desirable mates. The study said the findings could have implications for how BPA, which is a common chemical in canned foods and plastic containers, may affect human development and behavior. "The BPA-exposed deer mice in our study look normal; there is nothing obviously wrong with them. Yet, they are clearly different," lead author Cheryl Rosenfeld at the...

2011-06-22 06:00:00

- 2011 "Prix Sant©" presented by the Armand-Frappier Foundation - - 2011 Genesis Entrepreneurship Award presented by BIOQuebec - QUEBEC CITY, June 22, 2011 /PRNewswire/ - Medicago Inc. (TSX: MDG), a biotechnology company focused on developing highly effective and competitive vaccines based on proprietary manufacturing technologies and Virus-Like Particles (VLPs), announced today that it was named this month both the recipient of the 2011 "Prix Sant©" awarded by the...

2011-06-21 06:00:00

APPROVED FOR PUBLIC RELEASE, DISTRIBUTION UNLIMITED RALEIGH, NC and QUEBEC CITY, June 21, 2011 /PRNewswire/ - Medicago USA Inc., a wholly owned subsidiary of Medicago Inc. (TSX: MDG), a biotechnology company focused on developing highly effective and competitive vaccines based on proprietary manufacturing technologies and Virus-Like Particles (VLPs), today announced it has received the third milestone payment of US$5.6 million from the Defense Advanced Research Projects Agency...

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2011-05-30 06:00:00

Sharing about 95 percent of their genes with humans, mice are recognized around the world as the leading experimental model for studying human biology and disease. But, says Jackson Laboratory Professor Gary Churchill, Ph.D., researchers can learn even more "now that we really know what a laboratory mouse is, genetically speaking." Thanks to an in-depth analysis by a team led by Fernando Pardo-Manuel de Villena, PhD, in the University of North Carolina, Chapel Hill Department of Genetics and...

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2011-05-03 08:10:00

Rice originated in China, a team of genome researchers has concluded in a study tracing back thousands of years of evolutionary history through large-scale gene re-sequencing. Their findings, which appear in the latest issue of the Proceedings of the National Academy of Sciences (PNAS), indicate that domesticated rice may have first appeared as far back as approximately 9,000 years ago in the Yangtze Valley of China. Previous research suggested domesticated rice may have two points of...

2011-04-22 12:44:56

With seedlings and shoots still poking their leafy tops out of the soil, it's hard to read the newly published research of Brown University biologist Alison DeLong without musing that it provides a deeper understanding of what puts the spring in spring. DeLong's paper, published in advance online April 21 in PLoS Genetics, reveals fertile new insights into the intricate network of proteins that controls plant growth and development, particularly at the seedling stage. But the research also...

2011-04-21 14:41:07

Despite being closely related to the lyre-leaved rock cress, the thale cress has a considerably smaller genome It would appear reasonable to assume that two closely related plant species would have similar genetic blueprints. However, scientists from the Max Planck Institute for Developmental Biology in Tbingen, working in cooperation with an international research team have now decoded, for the first time, the entire genome of the lyre-leaved rock cress (Arabidopsis lyrata), a close...

2011-03-15 06:00:00

APPROVED FOR PUBLIC RELEASE, DISTRIBUTION UNLIMITED RALEIGH AND QUEBEC CITY, March 15 /PRNewswire-FirstCall/ - Medicago USA Inc., a wholly owned subsidiary of Medicago Inc. (TSX: MDG), a biotechnology company focused on developing highly effective and competitive vaccines based on proprietary manufacturing technologies and Virus-Like Particles (VLPs), today announced it has received the second milestone payment of US$3.8 million from the Defense Advanced Research Projects Agency...

2011-03-10 13:46:41

What happened to being "quiet as a mouse"? Researchers have recently shown that, rather than being the silent creatures of popular belief, mice emit ultrasonic calls in a variety of social contexts, and these calls have song-like characteristics. So if mice sing, where do they get their music? Are they born with the songs fully formed in their heads, or do they learn them from their peers? This question is of great interest to scientists as, while many organisms produce genetically regulated...


Latest Model organisms Reference Libraries

African Clawed Frog, Xenopus laevis
2014-08-18 16:16:15

The African clawed frog is found in its natural habitat throughout Africa. However, it has been introduced in North America, South America and Europe. This species is fully aquatic and is found abundantly in ponds, lakes, and rivers. The body color of the African clawed frog is a greenish grey and the skin is smooth and slippery with blotches of grey or brown on the back. The belly is a cream colored with a yellow tint. The average length of this species is five inches. The body and head...

Auckland Island Pig
2014-08-07 11:44:58

The Auckland Island pig is a breed of feral pig that resides on Auckland Island in New Zealand. During the eighteenth and nineteenth centuries, domestic pigs were released onto many sub-Antarctic islands, including Auckland Island, by Europeans who wanted stranded sailors or whalers to have a steady supply of food when visiting these uninhabited islands. This process began in 1807 and after several other releases occurring between 1840 and the 1890’s, the pigs began to establish a healthy...

House Mouse, Mus musculus
2012-05-01 11:42:07

Even in the wild, this rodent is associated with humans by destroying crops and stored food. The house mouse is also known as the fancy mouse, a common pet. It is also a widely used laboratory animal, important for testing in genetics, biology, and medicine. There are three recognized subspecies of the house mouse. These mice thrive in a number of locations including fields, houses, and commercial structures. An adult male house mouse can have a body length of up to 3.9 in, and tail length...

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2007-08-10 16:14:02

The Common House Mouse (Mus musculus), is the most numerous species of the genus Mus. It is the most common and populous mammalian species on earth, besides humans. House mice almost always live in close proximity to humans. Laboratory mice belong to strains of house mice and are some of the most important model organisms in biology and medicine. They are by far the most commonly used laboratory mammal. House mice are light brown to black, with short hair and a light belly. The ears and...

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Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.