Navigation Links
Arctic bacteria help in the search to find life on moon Europa
Date:5/30/2012

In a fjord in Canada scientists have found a landscape similar to one of Jupiter's icy moons: Europa. It consists of a frozen and sulphurous environment, where sulphur associated with Arctic bacteria offer clues for the upcoming missions in the search for traces of life on Europa.

It is not easy to find a place on Earth where ice and sulphur come together, supposedly like on Europa, Jupiter's moon. Nonetheless, this place has been located at Borup Fjord Pass in the Canadian High Arctic. Here the sulphurous yellow emissions contrast with the whiteness of the environment, creating images similar to those captured at Jupiter's satellite.

US researchers have now verified that the sulphur involved in the life cycle of Arctic microorganisms has some characteristics that could help to detect biological remains on Europa. Large space agencies like NASA and the European Space Agency are already in the process of preparing missions.

"We have discovered that elemental sulphur (S) can contain morphological, mineralogical and organic 'biosignatures' linked to bacterial activity. If they are found on Europa, this would suggest the possible presence of microorganisms," as explained to SINC by Damhnait Gleeson, lead author of the study and currently member of the Centro de Astrobiologia (INTA-CSIC, Spain).

The 'biosignatures' are associated with needle and rhomboid sulphur shapes in which mineralised remains of microorganisms and extracellular material appears. Thanks to electron microscopy and X-ray diffraction techniques, the formation of a rare type of sulphur has also been observed in association with organic components: the rosickyite. What is more is that small quantities (parts per million) of protein, fatty acids and other biomolecules have appeared in the sulphurous material.

"There is much evidence of bacterial activity," highlights Gleeson, who wonder if in the Europa's icy crust, or the ocean or lakes supposedly beneat
'/>"/>

Contact: SINC
info@agenciasinc.es
34-914-251-820
FECYT - Spanish Foundation for Science and Technology
Source:Eurekalert  

Page: 1 2

Related biology news :

1. New study by WHOI scientists provides baseline measurements of carbon in Arctic Ocean
2. Antarctic albatross displays shift in breeding habits
3. Buttercups alert farmers to first signs of subarctic fungus in the UK
4. Research on carbon-consuming life-forms in Antarctica published in JoVE
5. Energy requirements make Antarctic fur seal pups vulnerable to climate change
6. Increase in Arctic shipping poses risk to marine mammals
7. Genetic survey of endangered Antarctic blue whales shows surprising diversity
8. MBLs Hugh Ducklow appointed to Antarctic Blue Ribbon Panel
9. Fish of Antarctica threatened by climate change
10. What do killer whales eat in the Arctic?
11. Evidence of past Southern hemisphere rainfall cycles related to Antarctic temperatures
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Arctic bacteria help in the search to find life on moon Europa
(Date:7/25/2014)... the way for the development of new lines of barley ... production is second only to wheat with 7-8 million tonnes ... diseases of barley. , Senior Research Scientist Dr Alan Little ... the cell walls of barley plants that block the penetration ... the ARC Centre of Excellence in Plant Cell Walls in ...
(Date:7/25/2014)... MOResearchers at the Stowers Institute for Medical Research ... pheromone receptors, and found pheromones crucial to triggering the ... of receptors helps a male mouse detect pheromones that ... of receptors lets him know if the female mouse ... pheromones are critical to trigger mating. Stowers, researchers believe ...
(Date:7/24/2014)... leads to conflict among people around the world, a ... Health & Ecosystems: Analysis of Linkages (HEAL) Program Director ... tackle global biodiversity decline. , The harvest of wild ... and provides protein for more than a billion of ... that today,s unprecedented loss of wildlife, is bringing with ...
Breaking Biology News(10 mins):New hope for powdery mildew resistant barley 2It takes two to court 2It takes two to court 3New study draws links between wildlife loss and social conflicts 2
... (December 2nd, 2011) Most of us would agree that ... the journal Clinical Rehabilitation , published by SAGE, indicate ... on health grounds in Finland had no measurable effect. , ... rehabilitation, which followed 872 participants and their 2440 matched controls ...
... research hurdle to developing regenerative treatments for diabetes and ... amounts of endoderm cells from human pluripotent stem cells. ... can be transferred to other areas of stem cell ... use known as the ,valley of death,. "One ...
... implantable replacement cartilage, holding promise for knees, shoulders, ears ... Self-assembling sheets of mesenchymal stem cells permeated ... stiffer cartilage than previous tissue engineering methods, researchers at ... the research is published in the Journal of ...
Cached Biology News:Costly intervention program has no measurable effect on early retirement 2Costly intervention program has no measurable effect on early retirement 3Scalable amounts of liver and pancreas precursor cells created using new stem cell production method 2Engineering cartilage replacements 2Engineering cartilage replacements 3
(Date:7/24/2014)... sophisticated equipment, trained personnel, and detection dogs to ... attacks. A revolutionary new electronic chip with nano-sized ... much easier. , The groundbreaking nanotechnology-inspired sensor, devised ... ,s School of Chemistry and Center for Nanoscience ... Tracense, picks up the scent of explosives molecules ...
(Date:7/24/2014)... , July 24, 2014 Research and ... "Global Cell Culture Market 2014-2018" report to their ... Cell culture is the in vitro growth of ... research, cell studies, and biopharmaceutical production. Cell culture is ... Cell culture instruments and cell culture consumables are necessary ...
(Date:7/24/2014)... (PRWEB) July 24, 2014 Three companies ... semi-finalists in Livestrong’s Big C Competition. Out of 700 ... each headed to the semi-final round. In this round ... three-month accelerator program, complete with mentoring from thought-leaders and ... As part of the angelMD commitment to the Livestrong ...
(Date:7/24/2014)... The first part of the session on ... Human Studies” will cover comprehensive clinical support in early ... increasing R&D costs and declining industry success in getting ... knowledge collected in early Phase I/IIa study data to ... stage development. , Next, the presenters will examine steps ...
Breaking Biology Technology:Nano-sized chip 'sniffs out' explosives far better than trained dogs 2Global Cell Culture Market 2014-2018: Key Vendors are Becton, Dickinson and Co, EMD, GE Healthcare, Lonza Group, Sigma Aldrich and Thermo Fisher Scientific 23 angelMD Startups Make Livestrong Big C Semi-finals 2Best Practices for Optimizing Dose Escalation in First in Human Studies, New Webinar August 6th Hosted by Xtalks 2
... Arena Pharmaceuticals,Inc. (Nasdaq: ARNA ) announced today ... Stearns 20th Annual Healthcare Conference on September,11, 2007 at ... the Grand,Hyatt Hotel in New York City. Jack Lief, ... a corporate overview of the,company and its clinical development ...
... Vical Incorporated,(Nasdaq: VICL ) today announced ... Conference will be webcast live on Monday, September ... and Chief Executive Officer,Vijay B. Samant, will provide ... strategic partnerships. The webcast will be,available live and ...
... ... 2007--, PALO ALTO, Calif., ... data published in Circulation and,presented at the European Society of Cardiology Congress ... atrial arrhythmias in patients receiving Ranexa,compared to placebo in the MERLIN TIMI-36 ...
Cached Biology Technology:Arena Pharmaceuticals to Present at the Bear Stearns 20th Annual Healthcare Conference 2Arena Pharmaceuticals to Present at the Bear Stearns 20th Annual Healthcare Conference 3Vical to Present at Upcoming Investor Conferences 2Circulation Publishes MERLIN TIMI-36 Data Showing Safety and Anti-Arrhythmic Effects of Ranexa(R) 2Circulation Publishes MERLIN TIMI-36 Data Showing Safety and Anti-Arrhythmic Effects of Ranexa(R) 3Circulation Publishes MERLIN TIMI-36 Data Showing Safety and Anti-Arrhythmic Effects of Ranexa(R) 4