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This Tree's a Lady!
livescience ^ | 04 February 2010

Posted on 02/20/2010 2:46:11 PM PST by JoeProBono

Scientists have discovered the female sex hormone progesterone in a walnut tree, shaking up what's known about the different between plants and animals.

Until now, scientists thought that only animals could make progesterone.

A steroid hormone secreted by the ovaries, progesterone prepares the uterus for pregnancy and maintains pregnancy.

A synthetic version, progestin, is used in birth control pills and other medications.

"The significance of the unequivocal identification of progesterone cannot be overstated," write Guido F. Pauli and colleagues in the American Chemical Society's Journal of Natural Products.

"While the biological role of progesterone has been extensively studied in mammals, the reason for its presence in plants is less apparent."

They speculate that the hormone, like other steroid hormones, might be an ancient bioregulator that evolved billions of years ago, before the appearance of modern plants and animals. The new discovery may change scientific understanding of the evolution and function of progesterone in living things.....

(Excerpt) Read more at livescience.com ...


TOPICS: Science
KEYWORDS: godsgravesglyphs; jpb; progesterone; tree
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1 posted on 02/20/2010 2:46:11 PM PST by JoeProBono
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To: JoeProBono

Related to Hillary, I see, by the cankles.


2 posted on 02/20/2010 2:47:28 PM PST by aruanan
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To: JoeProBono

3 posted on 02/20/2010 2:48:28 PM PST by Doogle (USAF.68-73..8th TFW Ubon Thailand..never store a threat you should have eliminated)
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To: aruanan

She’s too thin.


4 posted on 02/20/2010 2:48:49 PM PST by fanfan (Why did they bury Barry's past?)
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To: JoeProBono; SunkenCiv; neverdem

Bump and ping.


5 posted on 02/20/2010 2:50:04 PM PST by fanfan (Why did they bury Barry's past?)
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To: JoeProBono

6 posted on 02/20/2010 2:50:55 PM PST by TruthHound ("He who does not punish evil commands it to be done." --Leonardo da Vinci)
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To: JoeProBono

I thought plants like soybeans were already known to be loaded with estrogen-like compounds (phytoestrogens).


7 posted on 02/20/2010 2:52:48 PM PST by hellbender
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To: fanfan

8 posted on 02/20/2010 2:53:47 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: JoeProBono

WOW!
Tree Spirit!


9 posted on 02/20/2010 2:54:46 PM PST by MS.BEHAVIN (Women who behave rarely make history)
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To: Doogle

10 posted on 02/20/2010 2:55:38 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: JoeProBono

I’d hit it.


11 posted on 02/20/2010 2:56:01 PM PST by goseminoles
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To: TruthHound
Yo Woody!


12 posted on 02/20/2010 2:56:58 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: JoeProBono

She looks strong.


13 posted on 02/20/2010 2:57:32 PM PST by fanfan (Why did they bury Barry's past?)
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To: goseminoles

But she’s got wood.


14 posted on 02/20/2010 3:01:34 PM PST by James C. Bennett
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To: James C. Bennett

That’s not wood!
That’s trim silly...


15 posted on 02/20/2010 3:04:35 PM PST by goseminoles
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To: goseminoles

16 posted on 02/20/2010 3:05:40 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: hellbender

17 posted on 02/20/2010 3:08:10 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: MS.BEHAVIN

18 posted on 02/20/2010 3:10:59 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: James C. Bennett

19 posted on 02/20/2010 3:13:03 PM PST by JoeProBono (A closed mouth gathers no feet)
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To: Lazamataz

20 posted on 02/20/2010 3:14:16 PM PST by JoeProBono (A closed mouth gathers no feet)
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