Sentences with word «tardigrade»

But for two species of tardigrade whose genomes were examined in the new study — Hypsibius dujardini and Ramazzottius varieornatus — a lack of water isn't fatal.

Researchers in Scotland and colleagues say foreign genes may account for less than 1 percent of the genome of the famously hardy critters, technically known as tardigrades (Hypsibius dujardini).

A protein from microscopic creatures called tardigrades keeps their DNA protected — and could someday shield humans from radiation.

This comes from looking at the Hox genes in tardigrades and some of their invertebrate animal relatives.

Rather than just post «Nope,» I give a flowery answer about tardigrades and sea monkeys undergoing cryptobiosis.

The researchers also ruled out a long - held assumption that tardigrades survived dehydration thanks to a specialised sugar called trehalose, which is known to perform the task in tree frogs, for example.

Those proteins are floppy and unformed when tardigrades are hydrated.

The ability to pick up used genes and spare parts from other organisms» DNA junkyards may allow tardigrades to survive extreme stress, such as desiccation, radiation and even a trip...

To further test their hardiness, Ingemar Jönsson of Sweden's Kristianstad University and colleagues launched two species of dried - up tardigrades from Kazakhstan in September 2007 aboard ESA's FOTON - M3 mission, which carried a variety of experimental payloads.

EXTREME SURVIVALIST Genetic analysis of tardigrades like this Ramazzottius varieornatus shown in a scanning electron micrograph are revealing what makes the tough little creatures tick.

This trailer seems to offer a glimpse of exactly how the rescue will go down, as two quick shots show some kind of craft - first preparing for a mission, and then actually exploring the Quantum Realm (surrounded by tardigrades).

Dry tardigrades can famously survive extreme temperatures, being bombarded with radiation and even a trip to the vacuum of space.

If Tardigrades are earth's most resilient species, who knows what else is out there.»

The hardy tardigrades mostly inhabit freshwater environments and can survive in many places, from Antarctica to rainforests.

ELEGANT EGG The elaborate surface (right) of a microscopic tardigrade egg (left) was one of the clues that it came from a new species of water bear.

Eggs of many land - based tardigrades have bumps, spines, filaments and such, presumably to help attach to a surface, says...

He routinely samples such stray spots to search for tardigrades, one of his main interests as a genome biologist at Keio University's Institute for Advanced Biosciences in Tsuruoka City, Japan.

• Hot water bears: the highest temperature to which experimenters exposed Antarctic tardigrades was 41 °C (6 January, p 19).

Tardigrades live in many places, including ponds, the sea floor and parts of Antarctica where rock sticks above the ice.

But who cares... it's Tiny Tardigrades!!!

But there are still other tardigrade secrets to fully unravel.

The new genetic work might also help settle the debate on what exactly tardigrades are.

But even tardigrades can't cheat death forever.

The survivors laid fewer eggs than normal, but those eggs all hatched healthy baby tardigrades.

In the Aug. 19 SN: Bulletins from the tick wars, roots of Rwandan genocide, spin - resistant spiders, making mums blue, tardigrade saga continues, HIV antibodies from cows, Maxwell's demon aces memory test and more.

But one of the two tardigrades needs a heads - up.

Each hole is its own tiny world, an ecosystem unto itself that supports a host of life - forms, including tardigrades — or water bears — and other small organisms.

The chocolate - colored bacteria inside each granule produce black or dark brown organic matter, and certain larger animals in the cryoconite holes, such as black tardigrades, are also dark.

In addition to the microbes tangled together in the granules, they've found that the watery oases also house other bacteria, algae, fungi, single - celled animals called protozoans, and even tiny invertebrate animals including insect larvae, worms and various tardigrades.

They speculate their hardiness might stem from the same adaptations that enable tardigrades to bounce back from being dried out.

This study can't rule out coincidence or other biases in the analysis methods as the reason tardigrades and nematodes appear to be closely related, Fernandez says.

Goldstein and colleagues had reported that tardigrades imported about 17 percent of their genes from foreign sources using a type of DNA swapping known as horizontal gene transfer (SN Online: 11/25/15).

A peek at tardigrades» genetic diaries may dispel a rumor about an amazing feat the tiny creatures were supposed to perform: borrowing large numbers of genes from other organisms.

She says that it has been a recalcitrant question exactly how tardigrades are related to seven other phyla of molting animals known as ecdysozoans, a group that includes both arthropods and nematodes.

She and Telford both think tardigrades belong with arthropods, but, says Telford, «It's still an open question.»

After comparing all three genomes, the researchers have now found that tardigrades borrowed only 133 genes, about 0.7 percent of their genes, from other organisms.

They've even caught tardigrades basking in hot springs with temperatures well above water's boiling point.

Tardigrades seem to be able to survive these conditions without much trouble, researchers have discovered.

EDEN researchers model the various evolutionary paths of sea anemones, horseshoe crabs, mosses, crickets, spiders, milkweed bugs and the super-hardy tardigrade.

What a spectacular Easter basket tardigrade eggs would make — at least for those celebrating in miniature.

The marine tardigrade (Actinarctus doryphorus ocellatus) is also known as a water bear or moss piglet, names that suggest size and heft.

The subsurface oceans that are believed to exist on Europa and Enceladus, would have conditions similar to the deep oceans of Earth where tardigrades are found, volcanic vents providing heat in an environment devoid of light.

To exterminate tardigrades, something would have to boil the oceans away (no more water means no more water bears).

«It's just that some animals have evolved to rely on trehalose, while tardigrades have also evolved the ability to vitrify, but using a completely different type of molecule — a protein,» he says.

And when they blocked the activity of these genes, tardigrades died after dehydration, demonstrating they were vital for surviving desiccation.

That allowed genome biologist and tardigrade fan Kazuharu Arakawa to capture water bear home movies.

To achieve this feat, tardigrades use a sugar called trehalose to stabilise the structure of their cell membranes.

I am not surprised tardigrades are killed by high temperatures with ionising radiation (6 January, p 19).

For example, tardigrades also known as «water bears» thought to be «toughest creatures».