Navigation Links
Otherworldly bacteria discovered two miles down

Researchers have discovered an isolated, self-sustaining, bacterial community living under extreme conditions almost two miles deep beneath the surface in a South African gold mine. It is the first microbial community demonstrated to be exclusively dependent on geologically produced sulfur and hydrogen and one of the few ecosystems found on Earth that does not depend on energy from the Sun in any way. The discovery, appearing in the October 20 issue of Science, raises the possibility that similar bacteria could live beneath the surface of other worlds, such as Mars or Jupiter's moon Europa.

"These bacteria are truly unique, in the purest sense of the word," said lead author Li-Hung Lin, now at National Taiwan University, who performed many of the analyses as a doctoral student at Princeton and as a postdoctoral researcher at the Carnegie Institution's Geophysical Laboratory.

As Lin explained: "We know how isolated the bacteria have been because our analyses show that the water they live in is very old and hasn't been diluted by surface water. In addition, we found that the hydrocarbons in the local environment did not come from living organisms, as is usual, and that the source of the hydrogen (H2) needed for their respiration comes from the decomposition of water (H2O) by radioactive decay of uranium, thorium, and potassium."

Humans and most other land-dwelling organisms ultimately get their energy from the Sun, with photosynthetic plants forming the base of the food web. But in dark places where sunlight doesn't reach, life has to depend on other energy sources. Other communities of "chemoautotrophs"--a word chained together from Greek roots meaning "chemical self-nourishment"--have been found in exotic places such as aquifers, petroleum reservoirs, and vents linked to deep-sea volcanoes. Yet these communities all depend at least in part on nutrients that can be traced back to photosynthetic plants or bacteria.

The intern
'"/>

Source:Carnegie Institution


Page: 1 2

Related biology news :

1. Anti-bacterial additive widespread in U.S. waterways
2. A bacterial genome reveals new targets to combat infectious disease
3. Discovery of key proteins shape could lead to improved bacterial pneumonia vaccine
4. Scientists discover that host cell lipids facilitate bacterial movement
5. Family trees of ancient bacteria reveal evolutionary moves
6. Drug-resistant bacteria on poultry products differ by brand
7. Programmable cells: Engineer turns bacteria into living computers
8. NASA links nanobacteria to kidney stones and other diseases
9. Substance protects resilient staph bacteria
10. Physiological effects of reduced gravity on bacteria
11. Anammox bacteria produce nitrogen gas in oceans snackbar
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Otherworldly bacteria discovered two miles down

(Date:3/3/2015)... 3, 2015 Cryoport, Inc. (OTCBB: ... cryogenic logistics solutions for the life sciences ... cell lines, clinical research organizations, vaccine manufacturers, ... the expansion of its relationship with ... Hutch") Clinical Research Division with the inclusion ...
(Date:3/2/2015)... 2015  Businesses have a new option for ... Rankins Enterprises has announced the launch of a ... for businesses to protect their customers, personal data, ... Beconux is a biometric transaction processing system ... to an ATM machine, the new system fuses ...
(Date:2/25/2015)... Feb. 25, 2015  ABC Financial Services (ABC), ... the Health and Fitness Industry, today announced enhancements ... MYiCLUBonline.  The latest upgrade includes advances to the ... cardless check-in via Identity One fingerprint biometrics. The ... through interactive displays at the International Health, Racquet ...
Breaking Biology News(10 mins):Cryoport, Inc. Expands Support of Fred Hutchinson Cancer Research Center's Clinical Research Division 2Cryoport, Inc. Expands Support of Fred Hutchinson Cancer Research Center's Clinical Research Division 3Personal Data Protection Company Launches New Product 2ABC Financial Unveils New Software Enhancements 2ABC Financial Unveils New Software Enhancements 3
... spent at sea, a magnetic map is apparently responsible for ... of data collected over 56 years and reported online on ... publication. "To find their way back home across thousands ... that exists where they first enter the sea as juveniles," ...
... When migrating, sockeye salmon typically swim up to 4,000 miles into ... reaches of the rivers in which they were born to spawn ... wondered how salmon find their way to their home rivers over ... A new study, published in this week,s issue of ...
... $25 billion in health information technology (IT) as a ... little is known about how IT applications improve patient ... Missouri nursing informatics expert suggests that sophisticated IT leads ... staff, which allows staff to more efficiently coordinate care ...
Cached Biology News:Magnetic map guides salmon home 2Animal magnetism: First evidence that magnetism helps salmon find home 2Animal magnetism: First evidence that magnetism helps salmon find home 3Information Technology improves patient care and increases privacy, MU informatics expert says 2
(Date:3/26/2015)... 2015 The Market Element LLC, a ... alliance with Designing Gig LLC to provide website design, ... , “Forging this alliance with Designing Gig represents a ... extend a comprehensive, end-to-end, digital solution for our clients, ... said Chuck Miller, president of The Market Element. “For ...
(Date:3/26/2015)... Mich., March 26, 2015 Neogen Corporation (NASDAQ: ... for the third quarter of fiscal 2015, which ended ... the prior year,s $6,575,000. Earnings per share in the ... ago. Current year-to-date net income increased 17% over prior ... $20,621,000, or $0.56 per share, for the same period ...
(Date:3/26/2015)... "In America," the popular news television program that airs in ... legendary film actor James Earl Jones, has announced that it ... , Botany is commonly described as the scientific study ... bit more complicated than that. Scientists and other professionals study ... the smallest bacteria known to man to the largest trees ...
(Date:3/25/2015)... pharmaceutical market is one of the most ... its absolute size, plus a growing economy and increasing ... Business Monitor International. The Russian market is set to ... market, with growth estimates around 10-15% annually reaching an ... About Green Cross Green Cross provides ...
Breaking Biology Technology:The Market Element LLC and Designing Gig LLC Form Strategic Alliance 2Neogen reports 13% increase in net income 2Neogen reports 13% increase in net income 3Neogen reports 13% increase in net income 4Neogen reports 13% increase in net income 5Neogen reports 13% increase in net income 6Neogen reports 13% increase in net income 7Neogen reports 13% increase in net income 8
... - The University of Wisconsin-Madison professor who ... reportedly agreed to operate a research lab as an adjunct ... ,The Santa Barbara Independent is reporting ... will be in Santa Barbara about one month out of ...
... again, and myriads of opinions are being voiced. If we look ... by an almost equal number of misconceptions and confusion about the ... recent article run on WTN by James Carlini highlights ... examine one small part of the immigration debate and its determinable ...
... University of Wisconsin-Madison faculty members Sean Carroll ... to the National Academy of Sciences . , ... most prestigious honors bestowed upon American scientists. Carroll, a ... professor of chemistry and biochemistry, were recognized for distinguished ...
Cached Biology Technology:Jamie Thomson to run California research lab 2Misconceptions dominate the immigration debate 2Misconceptions dominate the immigration debate 3Misconceptions dominate the immigration debate 4Misconceptions dominate the immigration debate 5
... Multi-Disciplinary Team The Schleicher & ... stand-alone work center dedicated to custom ... The facilitys experienced project teams, comprised ... Marketing professionals, work closely with collaborators ...
... a commonly used technique for studying protein ... electrophoresed on SDS-PAGE and transferred to a ... they are probed with specific antibodies. Unlike ... of Southern and Northern blots, it has ...
... Peptide microarrays containing peptidomimetics built on ... on-chip synthesis platform. These microarrays are ... Custom Peptide Microarray Service. ... is completely customer specified. Thousands of ...
... Now, for the first time, you ... faster and more efficiently without interferences. The ... to remove unwanted, multiple high-abundant proteins from ... with just one device. With this ...
Biology Products: