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Chimp in Medical News

Thinking Man's Chimp Shows 1st Animal 'Planning'

Swedish zoo resident would secretly stash rocks, 'missiles' to hurl at visitors for his own amusement, report details. MONDAY, March 9 (HealthDay News) -- For years, Santino, a male chimp at the Furuvik Zoo in Lund, Sweden, was in the habit of spending two hours before the zoo opened c...

Surgeon operates to rescue chimp with rare deformity

An orthopaedic surgeon at the University of Liverpool has performed a groundbreaking operation on a chimp in Cameroon to correct a deformity more commonly seen in dogs. The three year-old chimp called Janet was rescued from the Cameroon pet trade last year and now lives in a chimpanzee reserve ...

AIDS-like Illness Found in African Chimps

...ientists have discovered that a species of African chimp can develop the equivalent of AIDS when infected w...ore likely to die, the study found. One female chimp died within three years of becoming infected with ...ins of HIV in humans might go like this: monkey to chimp to human," he said. More information The W...

Ancient Viral Defense may Explain Susceptibility to HIV: Study

...r the chimpanzee genome. In fact, when the chimp genome was sequenced in 2005, it emerged that the largest difference between chimp and human DNA was the presence of PtERV1. Research...n of the PtERV1 virus using DNA sequences from the chimp genome, and in laboratory experiments with human c...

Ancient Ancestors Might Have Had a Clue to HIV

..., describes how he and his colleagues looked at a different virus ( PtERV1) which was active about a million years after human lineage parted from the chimp one. It appears that ancient hominids successfully evolved immunity to that virus, but in doing so were somehow left defenseless against HIV. T...

E. Coli Bacteria Migrating Between Humans, Chimps

... Uganda, and McGill University in Montreal, examined two of 10 known communities of chimpanzees living in Kibale National Park, Uganda. One of the two chimp groups has been the focus of two decades of research by international teams of scientists. The other is regularly visited by employees of a local tour...

A Human Brain Gene Could Hold Clues On The Evolution Of Brain Capacity

...enome. She and Haussler then devised a computational strategy for using the chimp genome and comparative genomics to identify regions of the human genome tha...mals except humans. There were only two differences between the chicken and chimp genomes in HAR1's sequence of 118 bases (bases are subunits of DNA, the As,...

SEMEN – More than just a sperm carrie

...r in Atlanta, Georgia, to test the semen of six chimpanzees. Unlike humans, chimp females advertise their fertility with bright red swollen behinds. Sure enough, compared to humans, the semen of chimp males had significantly lower levels of FSH and no luteinising hormone what...

HIV did not arise from polio vaccine

...legedly cultured in chimpanzee kidney cells. These chimp cells, some say, may have been contaminated with t...s. The Wistar Institute has always denied that any chimp cells were used in manufacturing its OPV. But t...emonstrate that the Wistar vaccine did not contain chimp cells and that the virus that would become HIV lik...

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Chimp in Biological News

The secret to chimp strength

February's brutal chimpanzee attack, during which a pet chimp inflicted devastating injuries on a Connecticut woman, was a stark reminder that chimps are much stronger than humansas much as four-times stronger, some researchers believe. But what is it that makes our closest primate cousins so much...

Unraveling where chimp and human brains diverge

Six million years ago, chimpanzees and humans diverged from a common ancestor and evolved into unique species. Now UCLA scientists have identified a new way to pinpoint the genes that separate us from our closest living relative ?and make us uniquely human. The Proceedings of the National Academy...

Big differences in duplicated DNA distinguish chimp and human genomes

A study comparing the genomes of both humans and chimpanzees has found that much of the genetic difference between the two species came about in events called segmental duplications, in which segments of genetic code are copied many times in the genome. The study appears as a companion article to t...

Ancestral genome of present-day African great apes & humans had burst of DNA sequence duplication

... chimps is not found in these genetic differences. "What is certain is that genetic differences contribute significantly to what makes a human and chimp different, and we know that these regions of our genetic code are changing much more rapidly than most others. The next challenge will be making sense...

Small male chimps use politics, rather than aggression, to lead the pack, U of Minnesota study says

...male chimpanzees to maintain his top position. And Freud, who weighed 44.8 kg (98.6 lbs.), used a combination of the two strategies. (The average male chimp in Gombe weighs about 39 kg (85.8 lbs.). The findings are reported in the February issue of the American Journal of Primatology . While it's widel...

Thumbs up -- a tiny ancestral remnant lends developmental edge to humans

...gle human genetic fragment and compare it with the chimp version. The strategy, which links a color-induci...anges that evolve more rapidly since the human and chimp paths split six million years ago. When queried...next question that they asked was if the human and chimp elements have sequence differences, why do they st...

Did walking on 2 feet begin with a shuffle?

...ated it would not be metabolically efficient for a chimp to use bipedalism for distances greater than about...eople can test. You should rarely, if ever, see a chimp walking upright at longer distances. The flipside of this is if a chimp is going a short distance returning to all fours i...

Primate sperm competition: speed matters

... Rapidly swimming sperm cells would be evolutionarily favored when the mating pattern is polygamous and that is consistent with our measurements of chimp and rhesus macaque sperm, said Nascimento. The research team found significantly lower swimming forces and slower swimming speeds with human sperm,...

Ancient retrovirus sheds light on modern pandemic

...the sequencing of the chimpanzee genome. "When the chimp genome was sequenced, a team of scientists at the ...r found the largest difference overall between the chimp and human genomes was the presence or absence of P... Emerman's laboratory, used DNA sequences from the chimp genome to reconstruct a small part of the PtERV1 v...

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...aca mulatta) with that of human (Homo sapiens) and chimp (Pan troglodytes), the primate most closely relate...aque genome, combined with the availability of the chimp and human genomes, provides researchers with anoth... genome, a newer unpublished draft sequence of the chimp genome, the sequence of more than a dozen other mo...

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Chimp in Biological Technology

Scientists fix bugs in our understanding of evolution

...already know about evolutionary relationships," says Ari Lytynoja, who developed the tool in Goldman's lab. "Say we are comparing the DNA of human and chimp and can't tell if a deletion or an insertion happened. To solve this our tool automatically invokes information about the corresponding sequences in c...
Chimp in Biological Definition

Genome project

...l complete in the 21st century , including: Homo sapiens Humans Mus musculus Laboratory mouse Rattus norvegicus Laboratory rat chimp (Pan troglidans) Rhesus Macaque Rhesus monkey Gallus gallus Chicken Macropus eugenii Kangaroo Felis domesticus Cat Canis ...
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