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Tag: "monkey" at biology news

Image of myosin-actin interaction revealed in cover story of Molecular Cell

... track, similar to the way a child moves along the monkey bars in a playground. Myosin V differs from the other myosin family proteins in that it is able to sustain this processive motion, enduring many hydrolysis cycles. The other myosins grab on tightly to actin and release after one hydrolysis cycle. "...

New research puts a fresh spin on current thinking of speech evolution in humans

...cording within this region. When this area in the monkey was electrically stimulated, oral and facial motor responses were evoked ?such as jaw movement sequences, as well as respiratory responses. In addition, Broca's area is connected with a region of the brain immediately in front of it that is involved ...

UW scientists report a new method to speed bird flu vaccine production

...nique that makes it easier to make a seed virus in monkey kidney cells, which, like tiny factories, churn ou...ke yet more virus particles. Vaccine makers use a monkey kidney cell line to make non-virulent viruses that serve as the raw material for vaccines.The techni...

Virus uses tiny RNA to evade the immune system

...croRNAs they found. SV40 is a relatively harmless monkey virus that can cause kidney infections in its natural simian host. In rodents, however, it can cause cancer. Although the SV40 genome has been found in some human tumors, its role in human cancer has been debated. The virus is better known as a model...

Monkeys understand numbers across senses

... approach really derives from thinking about why a monkey would need to represent numbers across sensory modalities," she said. "In the wild, a monkey might hear different monkeys vocalizing and not see them, yet need to know how many animals there ar...

Can two killers make a cure?

...pretty soon." Kobinger now plans a more extensive monkey trial to convince the US Food and Drug Administration that human trials will be safe. The hybrid virus is created by adding HIV RNA, a stripped-down version of the Ebola surface protein RNA and the therapeutic gene to cells. The hybrid virus then sel...

Primate virus jumps species barrier to humans for first time in Asia

...se in humans. The transmission of the virus from a monkey to a human took place at a monkey temple in Bali, Indonesia, the researchers report in the July issue of the journal Emerging Infectio...

'Shifty-eyed' Monkeys Offer Window Into Brain's Social Reflexes

...e researchers would first concentrate the human or monkey test subjects' attention to the center of a comput...en be shown either another square or an image of a monkey looking either left or right. Immediately after that, the face would disappear and to the left or ri...

Gambling monkeys give insight into neural machinery of risk

...y's choice," said Platt. What's more, he said, the monkey studies allow manipulation of the circuitry using drugs to determine how the circuitry might malfunction in human disorders. "For example, it is believed that people who have low levels of the neurotransmitter serotonin might be more risk prone and ...

'Punctuated' evolution in the human genome

... of the human/great-ape lineage from the Old World monkey lineage, the genome may have been particularly permissive to segmental duplication events. The scientists speculate that the molecular driving forces behind this "punctuated" duplicative activity may have been changes in transcriptional status or chr...

Genetic links could unlock clues to leading cause of blindness

...milar, he said he sometimes slips images of rhesus monkey eyes into presentations for medical residents to see if anyone notices the difference. "I haven't been caught yet," he said. "Only the most expert would detect the differences." ...

The making and breaking of microtubules

...nd how drugs can be designed and targeted to put a monkey wrench into the growth of cancer cells. "Nucleotide-dependent bending flexibility of tubulin regulates microtubule assembly," by Hong-Wei Wang and Eva Nogales, appears in the 16 June 2005 issue of Nature. ...

Chimp genome reveals a retroviral invasion

...each African ape (chimp and gorilla) and Old World monkey (baboon and macaque) species. The authors compared the sites of viral integration in each of these primates and found that few if any of these insertion sites were shared among the primates. It appears therefore that the sequences have not been conse...

Primates on the brink

...ern muriqui (Brachyteles hypoxanthus) Brown spider monkey (Ateles hybridus brunneus) Colombia Horton Plains...ndonesia (Kalimantan) Pagai pig-tailed snub-nosed monkey (Simias concolor) Indonesia (Mentawai Islands) Delacour's langur (Trachypithecus delacouri) Vietnam...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

Editor : Pictures, video and sound of this rare monkey are available on the Saving Wildlife website . R...ers, have discovered Africa’s first new species of monkey in over 20 years, marking the third monkey WCS scientists have found in the last six months. The n...

Brain May Be Less Plastic Than Hoped

...as a valid method to measure reorganization in the monkey brain, Smirnakis added. Similar studies could one day show scientists how to help the brain to recover from injuries. “In humans, studying brain reorganization is difficult. Cortical injuries are not happening in a controlled fashion, and resulting d...

Rhesus monkeys can assess the visual perspective of others when competing for food

...h experiment, one of the competitors could see the monkey in front of them, but the other could not. For exa... one of the competitors stood with his back to the monkey subject, while the other stood facing the subject. Monkeys in this experiment spontaneously chose to...

Grasping metaphors: UC San Diego research ties brain area to figures of speech

...ther abstract ?thinking," Ramachandran said. "Any monkey can reach for a peanut," he said, "but only a human can reach for the stars or even understand what that means." Ramachandran's lab is continuing work on linking other brain areas, the supramarginal gyrus and human homologues of mirror neurons, for ...

Transplantation Of Monkey Embryonic Stem Cells Reverses Parkinson Disease In Primates

...mine-producing neurons (DA neurons) generated from monkey embryonicstem cells and transplanted into areas of...the brain where these neuronshave degenerated in a monkey model of Parkinson disease, can reverseparkinsonism. Their results appear in the January 3 issue of ...

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