naked mole rat


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naked mole rat,

name applied to a species (Heterocephalus glaber) of small rodentsrodent,
member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents.
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 found in E Africa, whose members—the only hairless rodents—live entirely in underground communities of 80 or more individuals with a structure resembling that of social-insect colonies. Colony members are closely related and seem to work for the success of the whole community rather than individual survival. The queen is head of the colony and is the only member to breed. She has approximately ten pups per litter and about four litters per year. The mole rats divide up the specialized chores, such as collecting food, disposing of waste, and digging tunnels. The colonies have extensive tunnel systems and a large central area for nesting. Naked mole rats are classified as Phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Rodentia.

Bibliography

See study by P. W. Sherman et al. (1991).

References in periodicals archive ?
Early in 2014, with funding from the Life Extension Foundation[R], the couple were able to report novel husbanding innovations that facilitated the survival of naked mole rat pups.
Researchers were able to discover a chemical that made naked mole rats resistant to cancer.
Dr Magalhaes added: "We aim to use the naked mole rat genome to understand the level of resistance it has to disease, particularly cancer, because this might give us more clues as to why some animals and humans are more prone to disease than others.
The two scientists found that naked mole rat cells stop growing when the cells start to crowd each other.
According to the current results, the naked mole rat cells secrete extremely high-molecular mass HA, which is over five times larger than human or mouse HA.
Dr Magalhaes added: "We aim to use the naked mole rat genome to understand the level of resistance it has to disease, particularly cancer, as this might give us more clues as to why some animals and humans are more prone to disease than others.
A statue saluting the contribution of the naked mole rat to pioneering research may not go amiss in Liverpool in the future, should this particular avenue of investigation bear as much fruit as some obviously believe it may.
Surprisingly, the naked mole rat gene was different from HAS2 in all other animals.
When the researchers engineered human cells with the naked mole rat version of the sodium channel, the human cells reacted like the mole rat cells do.
Single and multi-player action make for varied game play over 3 expansive environments, and collectible trading cards and unlockable mini-games featuring Rufus, the naked mole rat, keep the fun going
Kim and Ron's pet Rufus, a naked mole rat, must go undercover to rescue Wade and foil Drakken's fiendish plans before it's too late.
Washington, November 6 ( ANI ): Biologists at the University of Rochester have discovered the mechanism that helps blind mole rats fight off cancer and it differs from what they discovered three years ago in another long-lived and cancer-resistant mole rat species, the naked mole rat.