Scientists want to bring 22 animals back

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Re: Scientists want to bring 22 animals back

Post: # 130363Unread post Blue Frost »

i would like to know it's close to the wild dogs in Eurasia like the Dhole.


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Scientists want to bring 22 animals back

Post: # 130364Unread post Blue Frost »

Dhole :)
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Re: Scientists want to bring 22 animals back

Post: # 130720Unread post Gary Oak »

I wonder how close they are getting to cloning some of these extinct animals ?

Russian Scientists Preparing to Bring Back Dinosaurs? (Video)

http://russia-insider.com/en/politics/r ... rs/ri13411#
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Re: Scientists want to bring 22 animals back

Post: # 130722Unread post Blue Frost »

I want one for a pet, something fast with big teeth that will eat my neighbors. :laugh:
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Scientists want to bring 22 animals back

Post: # 149055Unread post Blue Frost »

Oh boy, bring back the ill tempered ones :facepalm:

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Re: Scientists want to bring 22 animals back

Post: # 149079Unread post Gary Oak »

This is so cool, these aurochs are about as big as an American bison. i believe that Germany has a big herd of wild horses still I am surprised that a species with such a large haitat would go extinct.
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Re: Scientists want to bring 22 animals back

Post: # 149085Unread post Blue Frost »

Man killed them off, they where a pretty nasty creature to find in the wild, and a good meat source.
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Re: Scientists want to bring 22 animals back

Post: # 149093Unread post Gary Oak »

In this article it states that they were vicious according to Julius Caesar. This article has a picture of one and a photo of one of the products of the breeding program. The drawing shows that they had a dark brown mane like a lion. This auroch must have been a spectacular animal.

Scientists close to bringing extinct SEVEN FOOT GIANT COW back to life
RESEARCHERS are close to bringing back a breed of giant cattle, known as aurochs, back to life after they died out nearly 400 years ago

http://www.express.co.uk/news/weird/748 ... -Matassino
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Re: Scientists want to bring 22 animals back

Post: # 149106Unread post Blue Frost »

Hercules is fabled to have fought them.
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Re: Scientists want to bring 22 animals back

Post: # 152586Unread post Gary Oak »

This is real progress. Some genius scientist has come u with another way to bring back the mammoth. I am not opposed to a GMO mammoth. :thumbsup:

Woolly mammoth on verge of resurrection, scientists reveal
Scientist leading ‘de-extinction’ effort says Harvard team could create hybrid mammoth-elephant embryo in two years


The woolly mammoth vanished from the Earth 4,000 years ago, but now scientists say they are on the brink of resurrecting the ancient beast in a revised form, through an ambitious feat of genetic engineering.

Speaking ahead of the American Association for the Advancement of Science (AAAS) annual meeting in Boston this week, the scientist leading the “de-extinction” effort said the Harvard team is just two years away from creating a hybrid embryo, in which mammoth traits would be programmed into an Asian elephant.

“Our aim is to produce a hybrid elephant-mammoth embryo,” said Prof George Church. “Actually, it would be more like an elephant with a number of mammoth traits. We’re not there yet, but it could happen in a couple of years.”

The creature, sometimes referred to as a “mammophant”, would be partly elephant, but with features such as small ears, subcutaneous fat, long shaggy hair and cold-adapted blood. The mammoth genes for these traits are spliced into the elephant DNA using the powerful gene-editing tool, Crispr.


Could we 'de-extinctify' the woolly mammoth?

Until now, the team have stopped at the cell stage, but are now moving towards creating embryos – although, they said that it would be many years before any serious attempt at producing a living creature.

“We’re working on ways to evaluate the impact of all these edits and basically trying to establish embryogenesis in the lab,” said Church.

Since starting the project in 2015 the researchers have increased the number of “edits” where mammoth DNA has been spliced into the elephant genome from 15 to 45.

“We already know about ones to do with small ears, subcutaneous fat, hair and blood, but there are others that seem to be positively selected,” he said.

Church said that these modifications could help preserve the Asian elephant, which is endangered, in an altered form. However, others have raised ethical concerns about the project.

Matthew Cobb, professor of zoology at the University of Manchester, said: “The proposed ‘de-extinction’ of mammoths raises a massive ethical issue – the mammoth was not simply a set of genes, it was a social animal, as is the modern Asian elephant. What will happen when the elephant-mammoth hybrid is born? How will it be greeted by elephants?”

Church also outlined plans to grow the hybrid animal within an artificial womb rather than recruit a female elephant as a surrogate mother - a plan which some believe will not be achievable within the next decade.

“We hope to do the entire procedure ex-vivo (outside a living body),” he said. “It would be unreasonable to put female reproduction at risk in an endangered species.”

He added that his lab is already capable of growing a mouse embryo in an artificial womb for 10 days - halfway through its gestation period.

“We’re testing the growth of mice ex-vivo. There are experiments in the literature from the 1980s but there hasn’t been much interest for a while,” he said. “Today we’ve got a whole new set of technology and we’re taking a fresh look at it.”

“Church’s team is proposing to rear the embryo in an ‘artificial womb’ which seems ambitious to say the least – the resultant animal would have been deprived of all the pre-birth interactions with its mother,” said Cobb.

The woolly mammoth roamed across Europe, Asia, Africa and North America during the last Ice Age and vanished about 4,000 years ago, probably due to a combination of climate change and hunting by humans.

Their closest living relative is the Asian, not the African, elephant.


“De-extincting” the mammoth has become a realistic prospect because of revolutionary gene editing techniques that allow the precise selection and insertion of DNA from specimens frozen over millennia in Siberian ice.

Church helped develop the most widely used technique, known as Crispr/Cas9, that has transformed genetic engineering since it was first demonstrated in 2012. Derived from a defence system bacteria use to fend off viruses, it allows the “cut and paste” manipulation of strands of DNA with a precision not seen before.

Gene editing and its ethical implications is one of the key topics under discussion at the Boston conference.

Church, a guest speaker at the meeting, said the mammoth project had two goals: securing an alternative future for the endangered Asian elephant and helping to combat global warming. Woolly mammoths could help prevent tundra permafrost from melting and releasing huge amounts of greenhouse gas into the atmosphere.

“They keep the tundra from thawing by punching through snow and allowing cold air to come in,” said Church. “In the summer they knock down trees and help the grass grow.”

The scientists intend to engineer elephant skin cells to produce the embryo, or multiple embryos, using cloning techniques. Nuclei from the reprogrammed cells would be placed into elephant egg cells whose own genetic material has been removed. The eggs would then be artificially stimulated to develop into embryos.

Church predicts that age-reversal will become a reality within 10 years as a result of the new developments in genetic engineering.

https://www.theguardian.com/science/201 ... scientists
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Re: Scientists want to bring 22 animals back

Post: # 152618Unread post Blue Frost »

I read the other day they are now allowing cross species gene splicing in humans, how about a Manamal ?
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Re: Scientists want to bring 22 animals back

Post: # 152696Unread post Gary Oak »

I think that is called a chimera. According to the bible I believe it is an intolerable sin to create one.
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Scientists want to bring 22 animals back

Post: # 152706Unread post Blue Frost »

:rofl:
[video][/video]
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Re: Scientists want to bring 22 animals back

Post: # 152852Unread post Gary Oak »

Fun with doggy. I will have to try that with one . I think that would be more appropriate on the amazing animals thread :laugh:
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Re: Scientists want to bring 22 animals back

Post: # 152860Unread post Blue Frost »

Sorry Gary, I thought I posted that in the cute animal thread :scratch:
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Scientists want to bring 22 animals back

Post: # 174160Unread post Gary Oak »

Some people believe that it is possible that in some parts of Siberia it is possible that some herds of mammoths could still exist. They must have been a sight, they sure had a beautiful thick blonde coloured fur. Isn't this a huge step closer to bringing the mammoth back ? I hope they can do it very soon. I wish we would try a lot harder in preventing species still existing from extinction.

Step towards Jurassic Park? Scientists ‘wake up’ cells of ancient mammoth

https://www.rt.com/news/453699-scientis ... oth-cells/
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Scientists want to bring 22 animals back

Post: # 175837Unread post Gary Oak »

I hope they succeed in bringing back this extinct species of horse. I suppose that 40,000 year old roundworm species that they brought back deserves an article as well. From the looks of the photo this horse was well preserved.
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Scientists Extracted Liquid Blood From 42,000-Year-Old Foal Found in Siberian Permafrost
The team hopes to grow viable cells out of the foal’s tissue, paving the way for further experimentation aimed at cloning the extinct horse

ast August, a group of mammoth tusk hunters unearthed the nearly intact remains of a 42,000-year-old foal during an expedition to Siberia’s Batagaika crater. Preserved by the region’s permafrost, or permanently frozen ground, the young horse showed no signs of external damage, instead retaining its skin, tail and hooves, as well as the hair on its legs, head and other body parts.

Now, the Siberian Times reports, researchers from Russia’s North-Eastern Federal University and the South Korean Sooam Biotech Research Foundation have extracted liquid blood and urine from the specimen, paving the way for further analysis aimed at cloning the long-dead horse and resurrecting the extinct Lenskaya lineage to which it belongs.

To clone the animal, scientists would need to extract viable cells from the blood samples and grow them in the lab. This task is easier said than done: Over the past month, the team has made more than 20 attempts to grow cells out of the foal’s tissue, but all have failed, according to a separate Siberian Times article. Still, lead Russian researcher Lena Grigoryeva says, those involved remain “positive about the outcome.”

The fact that the horse still has hair makes it one of the most well-preserved Ice Age animals ever found, Grigoryev tells CNN's Gianluca Mezzofiore, adding, “Now we can say what color was the wool of the extinct horses of the Pleistocene era.”

In life, the foal boasted a bay-colored body and a black tail and mane. Aged just one to two weeks old at the time of his death, the young Lenskaya, or Lena horse, met the same untimely demise as many similarly intact animals trapped in permafrost for millennia.

image: https://thumbs-prod.si-cdn.com/Rzsq_Bcm ... j2am70.jpg

The scientists extracted liquid blood samples from the 42,000-year-old animal's heart vessels
The scientists extracted liquid blood samples from the 42,000-year-old animal's heart vessels (Semyon Grigoryev/North-Eastern Federal University)
The foal likely drowned in a “natural trap” of sorts—namely, mud that later froze into permafrost, Semyon Grigoryev of Yakutia’s Mammoth Museum told Russian news agency TASS, as reported by the Siberian Times. “A lot of mud and silt which the foal gulped during the last seconds of [the foal’s] life were found inside its gastrointestinal tract,” Grigoryev says.

This is only the second time researchers have extracted liquid blood from the remains of prehistoric creatures. In 2013, a group of Russian scientists accomplished the same feat using the body of a 15,000-year-old female woolly mammoth discovered by Grigoryev and his colleagues in 2013, as George Dvorsky reports for Gizmodo. (It’s worth noting that the team studying the foal has also expressed hopes of cloning a woolly mammoth.) Significantly, the foal’s blood is a staggering 27,000 years older than this previous sample.

The NEFU and South Korean scientists behind the new research are so confident of their success that they have already begun searching for a surrogate mare to carry the cloned Lena horse and, in the words of the Siberian Times, fulfill “the historic role of giving birth to the comeback species.” It’s worth noting, however, that any acclaim is premature and, as Dvorsky writes, indicative of the “typical unbridled enthusiasm” seen in the Russian news outlet’s reports.

Speaking with CNN's Mezzofiore, Grigoryev himself expressed doubts about the researcher's chances, explaining, “I think that even the unique preservation [of] blood is absolutely hopeless for cloning purposes since the main blood cells ... do not have nuclei with DNA.”

He continued, “We [are] trying to find intact cells in muscle tissue and internal organs that are also very well-preserved.”

What the Siberian Times fails to address are the manifold “ethical and technological” questions raised by reviving long-gone species. Among other concerns, according to Dvorsky, scientists have cited the clone’s diminished quality of life, issues of genetic diversity and inbreeding, and the absence of an adequate Ice Age habitat.

It remains to be seen whether the Russian-South Korean team can actually deliver on its ambitious goal. Still, if the purported July 2018 resurrection of two similarly aged 40,000-year-old roundworms “defrosted” after millennia in the Arctic permafrost is any indication, the revival of ancient animals is becoming an increasingly realistic possibility.

https://www.smithsonianmag.com/smart-ne ... 180971979/
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Scientists want to bring 22 animals back

Post: # 176883Unread post Blue Frost »

Likely looked like this though, the horse that took down Empires for the Khans.

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Same as in Spain, in the cave paintings.

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Scientists want to bring 22 animals back

Post: # 176886Unread post Gary Oak »

Cool ! Perhaps forty five thousand years ago they looked a bit different. I didn’t expect the ancient European horses to be the same species or breed as the last Asian wild remnant population of horses.
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Scientists want to bring 22 animals back

Post: # 176888Unread post Blue Frost »

The Mongols said they could run the length of the continent, they are very hardy horses compared to what people see today.
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