Navigation Links
Paired microbes eliminate methane using sulfur pathway
Date:1/17/2008

Anaerobic microbes in the Earth's oceans consume 90 percent of the methane produced by methane hydrates methane trapped in ice preventing large amounts of methane from reaching the atmosphere. Researchers now have evidence that the two microbes that accomplish this feat do not simply reverse the way methane-producing microbes work, but use a sulfur compound instead.

"The dominant role anaerobic oxidation of methane plays in regulating marine methane makes it a significant component of the global methane and carbon cycles," the researchers report in the current issue of Environmental Microbiology. "Its importance in these cycles highlights the need to close gaps in the current understanding of the specific interaction between the microbial groups that work in consort to mediate anaerobic oxidation of methane."

In this case, the microbial consortia consist of an Archaea a single cell organism that consumes methane for energy and bacteria that reduce sulfates to obtain energy. The assumption has been that these microbes simply use reverse methanogenesis, the process in which methanogenic bacteria produce methane in the first place.

"Our research suggests that methyl sulfide is the intermediary used by these microbes," says Christopher H. House, associate professor of geosciences. "The Archaea take in the methane and produce a methyl sulfide, and then the sulfur-reducing bacteria eat the methyl sulfide and reduced it to sulfide."

The two single-celled organisms that live in the consortia arrange themselves in a cluster of about 100 cells 10 to 15 microns across. The microbes that consume methane are on the inside while those microbes-reducing sulfur are on the outside. These consortia live in the sediments on the ocean bottom around methane seeps.

Understanding how these symbiotic organisms remove methane from the oceans is important because, House notes that without these microbes, the atmospheric temperature would
'/>"/>

Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State
Source:Eurekalert

Page: 1 2

Related biology news :

1. Nitrous oxide from ocean microbes
2. Methane from microbes: a fuel for the future
3. Scientists melt million-year-old ice in search of ancient microbes
4. Cosmopolitan microbes -- hitchhikers on Darwins dust
5. Microbes churn out hydrogen at record rate
6. Hungry microbes share out the carbon in the roots of plants
7. Scientists find good news about methane bubbling up from the ocean floor
8. Scientists find missing evolutionary link using tiny fungus crystal
9. Using carbon nanotubes to seek and destroy anthrax toxin and other harmful proteins
10. Using nanotechnology, UCLA researchers discover cancer cells feel much softer than normal cells
11. Using fMRI to study brain development
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/18/2014)... ability to acquire and creatively manipulate spoken language is ... the past 6 million years of human evolution to ... the best candidate gene we now have," says Wolfgang ... In his efforts to understand the molecular biological basis ... forward. The results of his latest study, undertaken in ...
(Date:9/18/2014)... turned its newborn screening program into a model other states ... the first-ever Newborn Screening Quality Award from the March of ... M.P.H., Arizona,s Department of Health Services director, with the award ... policy of full transparency for the length of time it ... lab for analysis, and set a target of having 95 ...
(Date:9/18/2014)... researchers from several disciplines will be celebrated tonight at ... roles in improving the health of premature infants and ... revolutions. The researchers, whose work was supported by the ... the former Atomic Energy Commission, will be honored at ... DC. A bipartisan group of Members of Congress will ...
Breaking Biology News(10 mins):Language evolution: Quicker on the uptake 2Language evolution: Quicker on the uptake 3March of Dimes honors Arizona with first-ever newborn screening award 2March of Dimes honors Arizona with first-ever newborn screening award 33rd annual Golden Goose award ceremony honors 8 researchers; Unusual work had big results 2
... ancient microbes may not seem consequential, but such pioneering ... the state of modern human health. Cecil Lewis, assistant ... this research raise questions about the microbes living on ... Health initiative is looking at helpful bacteria found on ...
... A team of researchers at Princeton University and The ... gene that is fatefully switched on in 30 to ... disease, resisting traditional chemotherapies and eventually leading to death. ... in a small region of human chromosome 8 and ...
... 5, 2009Theodosius Dobzhansky, the late great geneticist and evolutionary ... except in the light of evolution." This year ... 1809) and the 150th anniversary of the publication of ... of evolution by means of natural selection in exquisite ...
Cached Biology News:Understanding extinct microbes may influence the state of modern human health 2Understanding extinct microbes may influence the state of modern human health 3Team finds breast cancer gene linked to disease spread 2Team finds breast cancer gene linked to disease spread 3Team finds breast cancer gene linked to disease spread 4Team finds breast cancer gene linked to disease spread 5GEN joins Charles Darwin 2009 celebration 2
(Date:9/19/2014)... September 19, 2014 Cereal grain ... industries will gather October 5–8, 2014, for the ... Island Convention Center in Providence, Rhode Island. The ... work of food scientists, chemists, microbiologists, nutritionists, and ... food production management. To date, 1,000 attendees have ...
(Date:9/19/2014)... ROCKLAND, Massachusetts , September 19, 2014 ... with the 53rd European Society for Paediatric Endocrinology (ESPE) ... advancement of science and medical research in the field ... of Merck KGaA, Darmstadt, Germany , ... Growth Innovation (GGI) for 2014. The awards were announced ...
(Date:9/18/2014)... September 18, 2014 Bipartisan passage this ... bill designed to stimulate development and commercialization of new ... praised by leaders of SPIE, the international society ... American Manufacturing and Innovation (RAMI) Act, now moves to ... have said they are optimistic that it will win ...
(Date:9/18/2014)... 2014 About POCT ... a clinical laboratory. It helps in making fast ... and medication. POCT is gaining popularity due to ... such as diabetes, heart disease, and obesity. It ... standardized to minimize errors during the diagnosis of ...
Breaking Biology Technology:Latest Research on Cereal Grain Quality, Health Benefits and Food Production to be Presented During the AACC International Annual Meeting 2Latest Research on Cereal Grain Quality, Health Benefits and Food Production to be Presented During the AACC International Annual Meeting 3EMD Serono Awards Grant for Growth Innovation (GGI) for the First Time 2EMD Serono Awards Grant for Growth Innovation (GGI) for the First Time 3House passage of high-tech manufacturing bill is move toward stronger economy, say SPIE leaders 2House passage of high-tech manufacturing bill is move toward stronger economy, say SPIE leaders 3POCT Market in China 2014-2018 2
... LANSING, Mich., Sept. 22, 2011 Neogen Corporation (NASDAQ: ... test for aflatoxin, a toxin considered by many to be ... of mold growth in a wide range of commodities, including ... and animal health, more than 100 countries have established regulatory ...
... A team of researchers from Roche ( SIX: ... Research and Early Development and Roche NimbleGen, reported inGenome Research ... of the cynomolgus monkey ( Macaca fascicularis ) and developed ... use in preclinical drug safety research. The cynomolgus ...
... CRANBURY, N.J., Sept. 22, 2011 Palatin Technologies, Inc. ... developing bremelanotide for sexual dysfunction indications and PL-3994 for ... its fourth quarter and fiscal year ended June 30, ... Palatin initiated enrollment in its Phase 2B trial ...
Cached Biology Technology:Neogen Launches Fully Quantitative Lateral Flow Test for Aflatoxin 2Roche Researchers Sequence Complete Genome of Cynomolgus Monkey and Develop Novel Gene Expression Microarray for Drug Safety Assessment 2Roche Researchers Sequence Complete Genome of Cynomolgus Monkey and Develop Novel Gene Expression Microarray for Drug Safety Assessment 3Roche Researchers Sequence Complete Genome of Cynomolgus Monkey and Develop Novel Gene Expression Microarray for Drug Safety Assessment 4Palatin Technologies, Inc. Reports Fourth Quarter and Fiscal Year End 2011 Results 2Palatin Technologies, Inc. Reports Fourth Quarter and Fiscal Year End 2011 Results 3Palatin Technologies, Inc. Reports Fourth Quarter and Fiscal Year End 2011 Results 4Palatin Technologies, Inc. Reports Fourth Quarter and Fiscal Year End 2011 Results 5