Navigation Links
Phosphorus identified as the missing link in evolution of animals
Date:10/28/2010

A University of Alberta geomicrobiologist and his PhD student are part of a research team that has identified phosphorus as the mystery ingredient that pushed oxygen levels in the oceans high enough to establish the first animals on Earth 750 million years ago.

By examining ancient-ocean sediments, Kurt Konhauser, student Stefan Lalonde and other colleagues discovered that as the last glacier to encircle Earth receded, leaving behind glacial debris containing phosphorus that washed into the oceans. Phosphorus is an essential nutrient that promoted the growth of cyanobacteria, or blue-green-algae, and its metabolic byproduct is oxygen. The new, higher oxygen levels in the ocean reached a threshold favourable for animals to evolve.

Konhauser's past research into ancient phosphorus levels in a unique suite of rocks called banded iron formations led him and his colleagues at the University of California Riverside to their current findings.

In 2007, Konhauser and his U of A team published research in the magazine Science that was contrary to the then-accepted theory that phosphorus was scarce throughout much of Earth's history, it was in fact plentiful.

"Now in 2010 we showed that phosphorus levels actually peaked between 750 and 635 million years ago at the very same time that oxygen levels increased, allowing complex life forms to emerge," says Lalonde. "That establishes our link between phosphorus and the evolution of animals."


'/>"/>

Contact: Brian Murphy
brian.murphy@ualberta.ca
780-492-6041
University of Alberta
Source:Eurekalert

Page: 1

Related biology news :

1. Elevated nitrogen and phosphorus still widespread in much of the nations streams and groundwater
2. New research aims to unravel how phosphorus pollution drives toxic algal blooms in the Great Lakes
3. Tracking phosphorus runoff from livestock manure
4. Did phosphorus trigger complex evolution -- and blue skies?
5. Peak P? Phosphorus, food supply spurs Southwest initiative
6. Calculating agricultures phosphorus footprint
7. Expert to discuss phosphorus impact on Gulf dead zone
8. Changing climate will lead to devastating loss of phosphorus from soil
9. Researchers call for nitrogen and phosphorus reductions to combat eutrophication in aquatic systems
10. Understanding phosphorus in soils is vital to proper management
11. Tracking poultry litter phosphorus: Threat of accumulation?
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/28/2017)... PUNE, India , March 28, 2017 ... (Analog, IP, Biometrics), Hardware (Camera, Monitors, Servers, Storage Devices), ... Maintenance), Vertical, and Region - Global Forecast to 2022", ... 30.37 Billion in 2016 and is projected to reach ... 15.4% between 2017 and 2022. The base year considered ...
(Date:3/23/2017)... March 23, 2017 The report "Gesture Recognition and Touchless ... and Geography - Global Forecast to 2022", published by MarketsandMarkets, the market is ... of 29.63% between 2017 and 2022. Continue Reading ... ... ...
(Date:3/22/2017)... Vigilant Solutions , a vehicle location ... announced today the appointment of retired FBI special agent ... business development. Mr. Sheridan brings more than ... focus on the aviation transportation sector, to his new ... Sheridan served as the Aviation Liaison Agent Coordinator (ALAC) ...
Breaking Biology News(10 mins):
(Date:5/21/2017)... Diego, CA (PRWEB) , ... May 20, 2017 ... ... support tool that helps avoid the lengthy trial and error process by finding ... patients. It can also strengthen the doctor-patient relationship through a personalized approach ...
(Date:5/18/2017)... (PRWEB) , ... May 18, 2017 , ... ... procedure on April 28, 2017 at the Prince Of Wales Private Hospital. The ... disc at level C6-C7. The patient failed conservative treatments prior to undergoing surgery. ...
(Date:5/18/2017)... ... May 17, 2017 , ... NDA Partners Chairman Carl ... CEO of Eurofins Advantar Laboratories and President of Pharmaceutical Development Business Unit of Cardinal ... at Eurofins and Cardinal Health, he was former Chief Operating Officer at Anaborex, Senior ...
(Date:5/18/2017)... , ... May 17, 2017 , ... ... and business process optimization firm for the life sciences and healthcare industries, is ... UDIs and Traceability for Medical Devices conference in Brussels, Belgium. , Crowley played ...
Breaking Biology Technology: