The Neanderthals had a key language gene, researchers report.

Until now, humans were thought to have a unique version of FOXP2, the
only gene shown to play a role in language. People who are missing a
copy have difficulty with speaking and language comprehension.

But two Neanderthals who died 43,000 years ago had the same kind of
FOXP2 as people alive today, researchers reported Thursday in Current
Biology.




http://www.latimes.com/la-sci-neanderthals20oct20,0,7642357.story?coll=la-home-center
From the Los Angeles Times
Did Neanderthals natter?
The human forebears had a key language gene, researchers report.
By Karen Kaplan
Los Angeles Times Staff Writer

October 20, 2007

Neanderthals probably had the gift of gab, according to a new study
examining a key language gene in the extinct species.

Until now, humans were thought to have a unique version of FOXP2, the
only gene shown to play a role in language. People who are missing a
copy have difficulty with speaking and language comprehension.

The version of the gene in chimpanzees, our closest living relatives,
is different from that of humans in two places.

But two Neanderthals who died 43,000 years ago had the same kind of
FOXP2 as people alive today, researchers reported Thursday in Current
Biology.

"There is no reason to think that Neanderthals would not have had the
ability for language," said geneticist Johannes Krause of the Max
Planck Institute for Evolutionary Anthropology in Leipzig, Germany,
who led the study.

The researchers were able to extract the gene from two Neanderthal
bones recovered from a cave in northern Spain. The bones were
exceptionally well-preserved, probably because the two Neanderthals
had been cannibalized, Krause said.

Most of the bones found at the site "show cut marks, and almost all
long bones are broken to extract the bone marrow," he said. "The de-
fleshing might minimize the decay of the bones and their endogenous
DNA."

Skeptics said the bones might have been contaminated with human DNA
during the retrieval and testing process, which would explain why the
version of FOXP2 was identical to that of people.

The researchers took several precautions to prevent contamination from
affecting the results. The bones were excavated under sterile
conditions and sent to clean rooms, where sediment was removed.

Once the DNA was extracted, the scientists compared it with DNA from a
38,000-year-old Neanderthal discovered in Croatia and found it
matched. They also looked at sections of DNA that are known to differ
between Neanderthals and humans and found that they weren't the same.

Molly Przeworski, a geneticist at the University of Chicago who wasn't
involved in the study, said the results could be a sign of
interbreeding between humans and Neanderthals. If genes were flowing
between the two species, advantageous ones like FOXP2 would be the
most likely to spread from humans to Neanderthals, she said.

Considering that Neanderthals had a sophisticated culture that
included burial rituals and possibly art, music and jewelry, the idea
that they could speak is not too farfetched, said Gilean McVean, a
professor of statistical genetics at Oxford University who was not
involved in the study.

Even some more ancient hominids probably had language, he said.

"I can't imagine Homo erectus being as advanced in tool use, hunting
and global dispersal" without the use of language, he said.

.

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