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Tag: "gorillas" at biology news

Oldest fossil human protein ever sequenced

...quences from living primates (humans, chimpanzees, gorillas and orangutans). The team found that the Neanderth...s, humans, chimpanzees and orangutans from that of gorillas and most other mammals. This sequence difference is at position nine where the amino acid hydroxypro...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

The ancestors of chimpanzees and gorillas were infected with a deadly retrovirus about three to four million years ago, but there is no evidence it infected ancestors of modern-day humans, according to research by genome scientists. The virus struck after humans had split off the evolutionar...

Chimp genome reveals a retroviral invasion

...al infection. Eichler and colleagues estimate that gorillas and chimps were infected about 3 -- 4 million years ago, and baboon and macaque about 1.5 million years ago. The disconnect between the evolutionary history of the retrovirus and the primates, the authors conclude, could be explained if the Old World...

Ebola virus: from wildlife to dogs

...known, but from infected carcasses of chimpanzees, gorillas and certain forest antelopes. Results have come from work conducted over the past several years by IRD scientists and their partners (1) to shed light on the virus's propagation paths. The discovery of Ebola virus antibodies in several species of non...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...ination of natural and man-made threats is killing gorillas and chimpanzees in Central Africa, and experts say...le to establish precise population figures for the gorillas and chimpanzees, they determined that recent Ebola outbreaks, bushmeat hunting and logging have almo...

Wild Gorillas Handy with a Stick

...o accept. Though chimps, bonobos, orangutans, and gorillas all use tools in captivity, often imitating behavi... their keepers, tool use had not been observed for gorillas in the wild. (Chimps famously use sticks to fish for termites and rocks to crack nuts in the wild; o...

Protecting endangered species helps reduce poverty

Saving endangered species like pandas, gorillas and tigers helps reduce poverty and improve the lives of local communities, according to a new World Wildlife Fund report. Now as the eighth Conference of the Parties to the Convention on Biological Diversity opens today in Curitiba, Brazil, WWF urge...

Gorilla susceptibility to Ebola virus: the cost of sociality

By monitoring a large population of gorillas during an Ebola outbreak in the rain forest of the...e major threats to the survival of western lowland gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes troglodytes) in this region. However, the...

Wild gorillas carriers of a SIV virus close to the AIDS virus

... of faeces collected from different communities of gorillas found in the remotest areas of the Cameroon tropic...teristics of the virus were present again in three gorillas living more than 400 km apart. Phylogenetic analysis of SIVgor showed it to be related to HIV-1 grou...

Ebola-outbreak kills 5000 gorillas

...st showed that 93% (221 of 238) individually known gorillas at the Lossi Sanctuary in northwest Congo were kil...asible than previously appreciated. At Lossi, most gorillas appeared not to be infected directly from some reservoir host, as previously assumed. Rather, initia...

Uganda's mountain gorillas increase in number

The most recent census of mountain gorillas in Uganda’s Bwindi Impenetrable National Park—one of only two places in the world where the rare gorillas exist—has found that the population has increased by 6 percent since the last census in 2002, accord...

Gene study shows three distinct groups of chimpanzees

... we know so little about them, and even less about gorillas and orangutans." The chimpanzee genome differs from the bonobo genome by about 0.3 percent, which is one-fourth the distance between humans and chimps. Yet chimps and bonobos have radically different social systems, cultures, diets and mating sy...

Ebola outbreaks killing thousands of gorillas and chimpanzees

...tbreaks of Ebola virus killed tens of thousands of gorillas and chimpanzees over the last decade? Observations...encountered by a subsequent group. Chimpanzees and gorillas also fed simultaneously in the same fruit tree at least once every seven days. The study also pr...

Lessons from the orangutans: Upright walking may have begun in the trees

...hypothesis, suggests that the ancestors to chimps, gorillas and humans descended from the trees and began walk...evolved into the "knuckle-walking" that chimps and gorillas still use today and then into upright, two-legged walking in humans. Paleontologists have convent...

Ancient retrovirus sheds light on modern pandemic

... the body. "We know that PtERV1 infected chimps, gorillas and old-world monkeys 4 million years ago but left no traces of having infected humans. Our theory is that this is because humans had this innate viral defense system," Emerman said. To test their hypothesis, Emerman and co-authors Harmit Singh Mal...

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