Sentences with phrase «microbial life from»

The possibility that our planet was seeded with microbial life from Mars (or even, per Hoyle, from a comet) means that we can not be certain that space microbes would be incompatible with our biology.

Not exact matches

The goal is to keep Juno from disrupting any aliens — microbial or otherwise — that might live in hidden oceans of water below the icy shells of Jupiter's moons Europa and Ganymede.

He made the entirely reasonable point that microbial life on Earth, or some of its complex building blocks, may have drifted in from outer space.

Second, Neil Ross from Newcastle University in England, a co-author on the study, speculates that the lake could contain microbial life.

Microbial transfer from mom to offspring happens in a lot of species, but researchers are more familiar with how species that give live birth do this than those that lay eggs, biologist Stacey Weiss of the University of Puget Sound in Tacoma, Wash., noted August 1 at the 53rd Annual Conference of the Animal Behavior Society.

In this latest advance reported in PNAS, the Wyss team showed that the human gut - on - a-chip's unique ability to co-culture intestinal cells with living microbes from the normal gut microbiome for an extended period of time, up to two weeks, could allow breakthrough insights into how the microbial communities that flourish inside our GI tracts contribute to human health and disease.

In one group, participants read a past article from The New York Times describing possible evidence of ancient microbial life on a Mars meteorite.

Evidence of a past environment well suited to support microbial life came within the first eight months of the 23 - month primary mission from analysis of the first sample material ever collected by drilling into a rock on Mars.

The decrease in environmental microbial exposure from urban living could have health implications for humans.

The authors argue that it comes from hydrothermal activity on the ocean floor, perhaps seafloor vents like those on Earth that spew H2 and support rich microbial life.

Now researchers in California and Virginia have identified symbiotic bacteria living on amphibians» skins that protects them from the deadly fungal disease, and later this summer the scientists will collect some of the microbial samples, culture them in the lab, and use the product to inoculate some frogs in California's Sierra Nevada to see if the approach stops chytrid in the wild.

Because life prefers lighter carbon, the isotopes suggest to some scientists that the atmospheric rise must be due to extra microbial production, and not a boost due to leaked gas from fracking operations, which has a heavier isotopic signature.

By discovering what kind of life inhabits Antarctic lakes, John Priscu — a microbial ecologist at Montana State University in Bozeman who is analyzing samples from Lake Whillans — hopes to understand what sort of technology will be needed when probes are eventually sent to those frozen moons.

Only further investigation will reveal how much of it makes its way from the river transport to the deep ocean, however, and how it might affect marine life, especially microbial communities that live in and feed on small organic particles.

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.

You are dealing on Mars with what I call extremophile extreme environments on steroids,» she says, «and you don't look for microbial life with telescopes from Mars orbit.»

«And until recently, the idea was that all microbes are present everywhere, and that environmental conditions simply select which species dominate», explains Cyrus Mallon, who recently received his PhD from the Microbial Ecology group at the Groningen Institute for Evolutionary Life Sciences.

The microbial communities in these sediments include aggregates of methane - oxidizing archaea called ANME (for ANaerobic MEthanotrophs) and sulfate - reducing bacteria (SRB) that live together symbiotically and help to remove some 80 percent of the methane released from ocean sediments.

Using existing low - cost and low - weight technology in new ways, the team created a modular «life detection platform» able to culture microorganisms from soil samples, assess microbial activity, and sequence DNA and RNA.

But core samples from the newfound lake reveal a rich microbial life around its periphery.

In nature, biologists have observed that living things and their components, from pine cone scales to microbial cells and even specific proteins, can change their structures or volumes when there is a change in humidity.

These flaps, which range from thumbnail - to finger - sized, are lined with live microbial cells that shrink and expand in response to changes in humidity.

Collaborators at Human Longevity, Inc. sequenced the microbial genes extracted from each participant's stool sample and used that information to determine which species were living where, and the relative abundance of each.

Goordial, a post-doctoral fellow in the Department of Natural Resource Sciences at McGill University has spent the past four years looking for signs of active microbial life in permafrost soil taken from one of the coldest, oldest and driest places on Earth: in University Valley, located in the high elevation McMurdo Dry Valleys of Antarctica, where extremely cold and dry conditions have persisted for over 150,000 years.

Living bacteria such as these isolated from subseafloor sediments reveal a thriving ecology rather than a microbial graveyard.

The nutritional and microbial gains from exchanging faeces may even have kept earwig offspring from straying and probably gave rise to family life in the species, says Körner.

Although the evidence was subsequently contested, some single - celled microbial life lacking a nucleus that segregates their internal DNA or RNA («prokaryotes») from the surrounding cytoplasm may have flourished in darkness within cracks in Earth's seafloor crust and around deep, warm or boiling hot ocean springs (hydrothermal or volcanic vents, such as at Lost City or at black smokers) without a need for light or free oxygen in the oceans or atmosphere.

Cassini scientists later determined that this material is coming from a big underground ocean, which appears to be capable of supporting microbial life.

In an email interview with Newsweek, lead author Gaël Choblet, from the French National Center for Scientific Research, said that while he can not speculate on the presence of alien life on Enceladus, their timescale for hydrothermal activity does bolster the case that microbial life could emerge.

Scientists announced Thursday that measurements from NASA's Cassini spacecraft detected hydrogen gas, a key energy source for microbial life, in a plume gushing from a vast liquid water ocean buried beneath the icy shell of Saturn's moon Enceladus.

Despite comparatively intense bombardment by large impactors, chemical and radio - isotopic trace evidence of what appears to be biologically processed carbon in Earth's oldest surviving rocks — from western Greenland's Isua greenstone belt that are as old as 3.85 billion years — suggest that self - replicating, carbon - based microbial life became well developed during Earth's first billion years of existence.

Christner has examined microbial life in ice cores from Vostok and many other global locations.

Data from the instrument can improve the understanding of the history of Martian climate and if conditions on early Mars may have been conducive for supporting microbial life.

Field observations of microbes recovered from deep drill cores, deep mines, and the ocean floor, coupled with laboratory investigations, reveal that microbial life can exist at conditions of extreme temperatures (to above 110ºC) and pressures (to > 10,000 atmospheres) previous thought impossible.

A few interesting articles in early life human microbiome, plus: A comparison between Staphylococcus epidermidis commensal and pathogenic lineages from the skin of healthy individuals living in North American and India; A new tool to reconstruct microbial genome - scale metabolic models (GSMMs) from their genome sequence; The seasonal changes in Amazon rainforest soil microbiome are associated with changes in the canopy; A specific class of chemicals secreted by birds modulates their feather microbiome; chronic stress alters gut microbiota and triggers a specific immune response in a mouse model of colitis; and evidence that the short chain fatty acids profile in the gut reflects the impact of dietary fibre on the microbiome using the PolyFermS continuous intestinal fermentation model.

It's dark, it's cold, it's largely cut off from the outside world, but the lake water under a half - mile of ice in Antarctica is teeming with microbial life.

This violent end is a precaution planned by scientists to prevent any potential contamination from the spacecraft spreading to Enceladus and Titan, which are seen as potential places that microbial life could have emerged.

While the jury's out on whether these supplements have any effect on the gut's bacterial environment, it is clear that not having a thriving microbial community in one's intestines can be dangerous, with consequences ranging from a day or two of diarrhea to life - threatening infection with a nasty bug called Clostridium difficile, which can gain a foothold in patients treated with antibiotics.

Again quoting from the free encyclopedia, «Probiotics are live microorganisms that may confer a health benefit on the host... «live microbial feed supplement which beneficially affects the host animal by improving its intestinal microbial balance»... commonly consumed as part of fermented foods with specially added active live cultures.»

WaFoo gives the cricket essential nutrients, extends the shelf life up to two weeks, separates wet from dry and lowers microbial counts.

London's Arebyte Gallery is bringing in a solo exhibition by speculative designer and artist Zoë Hough called The Microbial Verdict: You Live Until You Die and running from May 7 until June 6.

Among those species both small enough to, and living in a position from which they can, become airborne, are microbial leaf - surface pathogens such as Fusarium and lichens such as Cladonia.