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The mystery of lime-green lizard blood

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The mystery of lime-green lizard blood

Post by Dragon on Fri May 18, 2018 1:40 am

Green blood is one of the most unusual characteristics in the animal kingdom, but it's the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard. The muscles, bones and tongues of these lizards appear bright, lime-green due to high levels of biliverdin, or a green bile pigment, which is toxic and causes jaundice. Surprisingly, these lizards remain healthy with levels of green bile that are 40 times higher than the lethal concentration in humans.

"In addition to having the highest concentration of biliverdin recorded for any animal, these lizards have somehow evolved a resistance to bile pigment toxicity. Understanding the underlying physiological changes that have allowed these lizards to remain jaundice-free may translate to non-traditional approaches to specific health problems," said lead author Zachary Rodriguez, a doctoral candidate in LSU Department of Biological Sciences Professor Chris Austin's lab.

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Re: The mystery of lime-green lizard blood

Post by Dragon on Fri May 18, 2018 1:41 am


Credit: Chris Austin, LSU.

Prasinohaema prehensicauda is a green-blooded lizard with high concentrations of biliverdin, or a toxic green bile pigment, found in New Guinea.

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Re: The mystery of lime-green lizard blood

Post by Dragon on Fri May 18, 2018 1:42 am



These Lizards Evolved Toxic Green Blood.

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