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Platypus genome unravels mysteries of mammalian evolution

Genome Research is publishing several papers related to analyses of the duck-billed platypus (Ornithorhynchus anatinus) genome sequence. The place of (egg-laying) monotremes, such as the platypus, in mammalian evolutionary history has remained controversial. Now, researchers are finding that the distinctive anatomical and physiological properties of the platypus are reflected in the newly sequenced platypus genome. Through comparative genomics, the platypus genome is providing remarkable insights into the evolution of venom components, the sex-determination system, testicular descent, and small RNA pathways. Primary research reports describing these novel insights will appear online May 8, concurrent with publication of the platypus genome sequence report in the journal Nature.

Decoded Platypus Genome Spells Out 'Hybrid'

The duck-billed platypus looks and acts like an animal with an identity crisis. It swims a bit like a duck and walks like one, too (on those webbed little feet), but it's certainly no bird. It lays eggs, as if a bird or reptile, yet it nurses its young like the mammal that it is. Now, it turns out the animal looks like a hybrid even at the most minute level, its DNA. Along with today's announcement that the platypus's genome has been sequenced comes the revelation that its genes reflect its odd ancestry.

Scientists map the genetic makeup of the platypus

An Australian platypus swims around in search for food at Taronga zoo in Sydney, Australia, Thursday, May 8, 2008. Scientists have mapped the genetic makeup of the duck-billed platypus _one of nature's strangest-looking animals with the beak of a duck, the fur of a mammal and the venom of a snake. THE ASSOCIATED PRESS/Rob Griffith

Platypus Genome As Weird As Platypus

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Platypus genome explains animal's peculiar features; holds clues to evolution of mammals

The platypus, classified as a mammal because it produces milk and is covered in a coat of fur, also possesses features of reptiles, birds and their common ancestors, along with some curious attributes of its own.

Platypus genome decoded

The ancient, patchworked platypus is a relatively unchanged animal that may be a scientific boon for researchers, who are learning a lot from its recently decoded genome about mammalian gene...

Platypus Genome Sequenced, Unlocking Secrets Of Evolution

By any account, the platypus is an odd creature. It's got a broad, rubbery bill that brings to mind a duck....but it swims more like a beaver....yet it lays eggs and can inject poisonous venom, like a reptile. No wonder it was considered an elaborate hoax by scientists who examined the first specimen pelt shipped to England from the colony of New South Wales in 1799.

Platypus Genome Reveals Secrets of Mammal Evolution

The genome of the platypus—our most distant mammal relative—has been decoded and analyzed, researchers reported today.

Platypus genome reveals evolutionary path that gave mammals reproductive edge

09 May 2008 - The odd-looking platypus is often cited as proof that God has a sense of humor. Now researchers at the Stanford University School of Medicine have turned to the strange animal to understand the genesis of an evolutionary tour de force that led to a reproductive advantage possessed by nearly all of today's mammals.

Platypus genome mapping boon for researchers

In decoding the genome of the platypus, a team of researchers from the United States, Australia, England, Germany, Israel, Japan, Spain and New Zealand has revealed important information that will enhance our understanding of other mammals and may lead to the development of new approaches to combat disease in livestock and humans and enhance livestock productivity.

Platypus Genome Reveals Evolutionary Path That Gave Mammals Reproductive Edge, Stanford Scientist Says

STANFORD, Calif. - (Business Wire) The odd-looking platypus is often cited as proof that God has a sense of humor. Now researchers at the Stanford University School of Medicine have turned to the strange animal to understand the genesis of an evolutionary tour de force that led to a reproductive advantage possessed by nearly all of today

Platypus genome will help reveal how mammals evolved

Scientists have mapped out the genome of the platypus - which shows it's a living remnant of ancient egg-laying mammals.

Platypus at the peak of weird science

SCIENTISTS have cracked the genetic code of the platypus and the results are as weird as the animal itself.

Platypus is a bird, reptile, mammal mix

Sydney, May 08: Australia`s unique duck-billed platypus -- an egg-laying, furry animal with web feet that spends most of its time underwater -- is in fact part bird, part reptile and part mammal according to its gene map.

Platypus Genome Provides Evolution Insight

U.S. and British researchers say an analysis of platypus DNA holds potential for advances in human disease prevention.

Platypus Genome: Neither Fish Nor Fowl

Arguably the oddest beast in Nature's menagerie, the platypus looks as if were assembled from spare parts left over after the animal kingdom was otherwise complete.

Platypus genome provides evolution insight

U.S. and British researchers say an analysis of platypus DNA holds potential for advances in human disease prevention.

Platypus genome mapping boon for human and livestock researchers

Singapore, May 8, 2008: In decoding the genome of the platypus, a team of researchers from the United States, Australia, England, Germany, Israel, Japan, Spain and New Zealand has revealed important information that will enhance the understanding of other mammals and may lead to the development of new approaches to combat disease in livestock and humans and enhance livestock productivity.

Platypus Genome May Have Livestock Benefits

A team of researchers who have decoded the genome of the platypus say it has revealed important new information which may lead to the development of new approaches to combat disease in livestock and enhance livestock productivity.

Platypus Genome Decoded

The curious discovery of the duck-billed, egg-laying, otter-footed, beaver-tailed, venomous platypus in Australia in 1798 convinced British scientists that it must be a hoax. Sketches of its appearance were thought to be impossible.

Platypus genome provides clues that may impact human disease prevention

An international consortium of scientists has, for the first time, analysed the genome of the platypus-a mammal that has a beak and feet like a duck, lays eggs, and produces milk for its young.

Platypus Genome Shows Beauty Is More than Skin Deep

With a face only a mother could love—and a body to match—the duck-billed platypus is truly a freak of nature. As if designed by a committee, the animal's body comprises aspects of mammals, birds and reptiles. In fact, the Australian animal is so bizarre the British naturalists who first encountered it couldn't believe their eyes.

Platypus Genome Sequenced, Unlocking Secrets Of Evolution

Being a genome scientist, Dr. Hannon was interested to observe that the complement of chromosomes possessed by the platypus -- its karyotype -- is most unusual for a mammal.

Platypus genome provides clues that may impact human disease prevention

Washington, May 8 : An international consortium of scientists has, for the first time, analysed the genome of the platypus-a mammal that has a beak and feet like a duck, lays eggs, and produces milk for its young.

Platypus Genome Explains Animal's Peculiar Features; Holds Clues To Evolution Of Mammals

An international consortium of scientists, led by Washington University School of Medicine in St. Louis, has decoded the genome of the platypus, showing that the animal's peculiar mix of features is reflected in its DNA. An analysis of the genome, published today in the journal Nature, can help scientists piece together a more complete picture of the evolution of all mammals, including humans.

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