HOME >> BIOLOGY >> NEWS
Microbe from depths takes life to hottest known limit

ARLINGTON, Va.--It may be small, its habitat harsh, but a newly discovered single-celled microbe leads the hottest existence known to science.

Its discoverers have preliminarily named the roughly micron-wide speck "Strain 121" for the top temperature at which it survives: 121 degrees Celsius, or about 250 degrees Fahrenheit.

Announcing Strain 121's record-breaking ability to take the heat in the August 15 issue of the journal Science, researchers Derek Lovley and Kazem Kashefi write, "The upper temperature limit for life is a key parameter for delimiting when and where life might have evolved on a hot, early Earth; the depth to which life exists in the Earth's subsurface; and the potential for life in hot, extraterrestrial environments."

Previously, the upper known temperature limit for life had been 113 C (235 F), a record held by another hyperthermophilic--or extreme-heat-liking--microbe called Pyrolobus fumarii.

The work by Lovley and Kashefi, researchers at the University of Massachusetts, Amherst, was supported by the National Science Foundation's Life in Extreme Environments program. Their NSF project may also yield clues to the formation of important ore deposits, the remediation of toxic contaminants, and more efficient recovery from petroleum reserves.

On a standard stovetop, water boils at 100 C, or 212 degrees F. Strain 121, however, comes from water at the ocean bottom, from a surreal deep-sea realm of hydrothermal vents. Heated to extremes by the earth's magma, water there spouts forth through leaks in the ocean floor. The pressure of the immense depths prevents such hot water from turning to steam--even as it sometimes emerges at temperatures near 400 C (750 F).

The sample cultured by Lovley and Kashefi was collected about 200 miles offshore from Puget Sound and nearly a mile and a half deep in the Pacific Ocean by a University of Washington team led by biological oceanographer John Baross.


'"/>

Contact: Sean Kearns
skearns@nsf.gov
703-292-7963
National Science Foundation
14-Aug-2003


Page: 1 2 3

Related biology news :

1. Microbes eat their way to better concrete
2. Microbes found in Mayan ruins may deteriorate stone from inside out
3. Microbes trick provides a template for willowy crystals
4. Microbes active in Colorado snows fuel tundra ecosystem
5. Microbes blueprints promise insights into oceans, more
6. Microbes related to infant lung infections reduced using specialized ventilation system device
7. Microbe first to break down PCBs
8. Microbe genes help scientists reconstruct animal origins
9. Microbes and the dust they ride in on pose potential health risks
10. "Microbes deep within South African gold mines" subject of NSF lecture
11. Microbes make mine-waste drinkable, Science researchers report

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/18/2017)... Inc., a global expert in SoC-based imaging and computing solutions, has ... features the company,s hybrid codec technology. A demonstration utilizing TeraFaces ® ... be showcased during the upcoming Medtec Japan at Tokyo Big Sight ... Las Vegas Convention Center April 24-27. ... Click here for an image of the ...
(Date:4/11/2017)... , April 11, 2017 Crossmatch®, ... secure authentication solutions, today announced that it has ... Advanced Research Projects Activity (IARPA) to develop next-generation ... program. "Innovation has been a driving ... Thor program will allow us to innovate and ...
(Date:4/6/2017)... , April 6, 2017 Forecasts ... ANPR, Document Readers, by End-Use (Transportation & Logistics, Government ... Oil, Gas & Fossil Generation Facility, Nuclear Power), Industrial, ... Other) Are you looking for a definitive ... ...
Breaking Biology News(10 mins):
(Date:8/16/2017)... ... August 16, 2017 , ... Recent studies show that ... treatments for specific cancers, such as breast, prostate, or lung, target vital pathways ... therapy for advanced prostate cancer. , This therapy limits the production and ...
(Date:8/16/2017)... , Aug. 16, 2017  Kingfisher Talent, the ... leadership development, and Virdis Group, global executive search specialists in ... that enables clients to leverage the expertise and reach of ... clients here in the Boston biotech ... of leadership talent throughout the US, Canada ...
(Date:8/15/2017)... ... August 15, 2017 , ... Any expert in stem cell research or stem ... more than half a century. Despite their essential roles in human health and ... that molecular tags developed for this purpose also tag other, more abundant, non-stem tissue ...
(Date:8/14/2017)... ... August 14, 2017 , ... Every year, ... researchers in the antibody community have recently come together to address this antibody ... the laboratory. , The team at Thermo Fisher Scientific ...
Breaking Biology Technology:
Cached News: