Biotech guru J. Craig Venter proposes that if
we find microbial life on Mars, we could sequence its genome locally, transmit the information and rebuild the organism here on Earth.
In a surprising and probably killer blow to the possibility of
finding microbial life on Mars, Curiosity has reported that there's no methane in the Martian atmosphere.
Not exact matches
Researchers also
found the acidity created by the lactobacilli acts as a preservative even after being subjected to high heats during the baking process, resisting
microbial deterioration and increasing the shelf
life of products.
In
findings published January 10 in Science Translational Medicine, the new compound even eradicated stubborn pathogens growing together in tough - to - treat
microbial mats called biofilms, which are complex communities that can be 10 to 1,000 times more tolerant to antibiotics than free -
living bacteria.
Some symbiotic bacteria
living inside Colorado potato beetles can trick plants into reacting to a
microbial attack rather than that of a chewing herbivore, according to a team of Penn State researchers who
found that the beetles with bacteria were healthier and grew better.
Recent
findings emphasize the importance of investigating members of the archaeal domain of
life in order to obtain a more comprehensive view of
microbial ecology, symbiosis, and metabolic interdependencies involving archaeal partners, and of evolution of
life on Earth in regard to the deep roots of archaea as well as our
microbial ancestry.
A recent survey of
microbial life found that the oceans are teeming with 10 to 100 times more unique species than scientists expected.
An analysis of the deepest spot in the oceans
finds signs of
microbial life.
The
finding could have a profound effect on
microbial life.
The existence of
microbial life on Mars remains highly controversial, but recent evidence of water, complex organic molecules, and methane in the Martian environment, combined with
findings from the 1976 Viking mission, have led to the conclusion that existing
life on Mars is a possibility that must be considered, as presented in an article in Astrobiology.
There isn't just one vast smear of
microbial life where all shapes, sizes, body features and chemistry can be
found in any old mix.
«If there is abundant
microbial life on Mars, I suspect that we will
find it within 20 years — if it is enough like our form of
life.
Caves and skylights on Mars and the moon have recently attracted the attention of researchers keen on
finding the best places to build extraterrestrial habitats (as well as those looking for extraterrestrial — likely
microbial —
life).
The researchers who reported this
finding in Geophysical Research Letters say Dione's ocean has existed since the moon's origin, which increases the chances that
microbial life is thriving in its waters.
The quest to
find exotic
microbial life that may have evolved in or beneath these lakes is for many the most thrilling aspect of the research.
The alien
life we are most likely to
find will be
microbial, Sasselov explains.
«
Microbial life isn't easy to see, even today, so rocks that preserve evidence of ancient bacteria are hard to
find and hard to study.»
Reconstructing the evolution of early
microbial life depends mainly on
finding organic and mineral remnants of
microbial activity preserved in the rock record.
Finding out how methane and other organic species are formed in deep - sea hydrothermal systems is compelling because these compounds support modern day
life, providing energy for
microbial communities in the deep biosphere, and because of the potential role of abiotically - formed organic compounds in the origin of
life.
The researchers
found that the types of organic compounds
found in
microbial and algal
life — long chain hydrocarbon - dominated matter - were destroyed by the pressures of impact.
Curiosity is climbing a layered Martian mountain and
finding chemical evidence of how ancient lakes and wet underground environments changed, billions of years ago, in ways that affected their potential favorability for
microbial life.
The
findings illuminate the specialized roles played by key members of the vast
microbial community
living in the human gut, and could inform the development of tailored microbiota transplants to improve intestinal health after antibiotic use or illness.
In 1996 in Science the space agency described how a Martian meteorite
found in Antarctica might contain traces of fossilised
microbial life.
The Cassini spacecraft, a NASA mission,
found signs that Saturn's moon, Enceladus, might host
microbial life.
I am currently working on a book advocating the spreading of genetically - engineered
microbial life to all extraterrestrial locations
found to be barren.
Commenting on the latest study, which he was not involved in, he says the
findings represent «excellent news» for the possibility of detecting
microbial life deep in the ocean.
Finding past or present
microbial life on Mars would without doubt be one of the greatest scientific discoveries of all time.
More recently, however,
microbial life found around hydrothermal vent ecosystems (i.e., the «Lost City»
found in the Mid-Atlantic Ridge, which is cooler than those
found at «black smokers») indicate that Carbon - 13 is not selected against Carbon - 12 in hydrogen - rich environments where
microbial life is starved of carbon, essentially in the form of carbon dioxide (Alexander S. Bradley, Scientific American, December 2009: pp. 62 - 67).
But astronomers keep adding to the inventory of potentially habitable planets, and the science team behind the Curiosity rover continues to
find tantalizing hints that Mars may have - or may still - support
microbial life.
Consistent with the «hygiene hypothesis,» which holds that increased
microbial exposure in the first years of
life is protective for asthma, the team's
findings also indicate that the presence of house dust components that stimulate the innate immune system decreases asthma risk.
The new
findings indicate that «as long as 3.7 billion years ago
microbial life was already diverse,» Nutman added.
The latest
findings of
microbial life flourishing in the extreme environment of subglacial Lake Whillans in Antarctica, which were detailed in the first part of this article, are further hinting at the possibility of
life existing in a similar fashion as well in the mysterious, underground alien waters of Europa.
Some suggesting that arguing that their presence of actually increased the odds of
finding life on Mars because perchlorates lower water's freezing point and could be a potential source of energy for
microbial lifeforms.
The animation ends with a celebration of MAVEN, which will help in understanding Mars» climate history and uncovering when and how long Mars may have had an environment more favorable to
microbial life than
found today.
By «complex
life,» the researchers don't mean necessarily technologically advanced or even highly intelligent
life, but rather
life forms that are above the
microbial level and form stable food chains like those
found in ecosystems on Earth.
In 2013, rover
found evidence that Gale Crater once had an ancient freshwater - lake environment that possessed the basic chemical ingredients to support
microbial life.
Achberger will be continuing the research to sequence the DNA, which will show just what types of
microbial life they
found and how each of these function in the ecosystem.
The researchers
found several indigenous species of
microbial life that had adapted to
live in the harsh environment.
In 2013, the mission
found evidence of an ancient freshwater - lake environment that offered all the basic chemical ingredients for
microbial life.
Finding boron on Mars suggests that the groundwater present in Gale Crater was most likely at a temperature and acidity suitable for
microbial life.
Research has
found that
microbial diversity within the first year of
life is also low in Cesarean born infants.