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Osedax - Wikipedia
Osedax is a genus of deep-sea siboglinid polychaetes, commonly called boneworms, zombie worms, or bone-eating worms. Osedax is Latin for "bone-eater". The name alludes to how the worms bore into the bones of whale carcasses to reach enclosed lipids, on which they rely for sustenance. They utilize specialized root tissues for bone-boring. It is possible that multiple species of Osedax reside in the same bone. Osedax worms are also known to feed on the collagen itself by making holes in the whale's skele…
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Osedax : bone-eating worms - MBARI
Osedax. : bone-eating worms. Lacking mouths and guts, these unusual worms survive by producing a “root system” that digests the surrounding bone and releases collagen and lipids to consume. The roots produced by Osedax also house symbiotic bacteria that appear to play a crucial role in nutrition.
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Osedax - an overview | ScienceDirect Topics
The newly discovered Osedax is a worm related to the pogonophorans. It forms a sort of root system in whale skeletons on the sea bottom and utilizes the organic matter of the bones. It seems that the utilization of this resource is contingent on symbiotic bacteria (Verna et al., 2010).
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bone-eating marine worms - Encyclopedia of Life
Osedax (Bone Eating Marine Worms) is a genus of segmented worms in the family tube worms. They are sessile animals. Definition: Living in the fluid medium (water or air) but unable to maintain their position or distribution independently of the movement of the water/air mass (adapted from Lincoln et al., 1998).
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An inordinate fondness for bone-eating worms - MBARI
May 07, 2018 · Osedax docricketts – named for the ROV Doc Ricketts, which was used to collect many Osedax specimens. Osedax westernflyer – named for the Research Vessel Western Flyer, which has been critical to Osedax studies. Osedax knutei – named for Knute Brekke, Chief ROV pilot for MBARI, who expertly collected many bones and Osedax over the years.
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Bone-eating worm | Animals | Monterey Bay Aquarium
Meet the bone-eating worm. Scientists working at the Monterey Bay Aquarium Research Institute (MBARI) in 2004 discovered two new species of unique tube worms that feed on the bones of dead whales. The bone-eating worms are in a new genus called “Osedax,” which is Latin for “bone devourer.”.
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Zombie Worms Crave Bone | Smithsonian Ocean
Jun 26, 2013 · Zombie worms don’t crave brains: instead they seek bones. The 1 to 3 inch (2 to 7 centimeter) Osedax worms were first discovered living in the bones of a rotting gray whale on the deep sea floor, nearly 10,000 feet (3,000 meters) deep, in 2002. Since then, more Osedax species have been discovered: there are 26 according to the World Register of Marine Species.
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FMRF-amide (Cardio-excitatory Peptide) Antibody
Feb 18, 2019 · The potent respiratory system of Osedax mucofloris (Siboglinidae, Annelida)--a prerequisite for the origin of bone-eating Osedax?. PLoS ONE. 2012;7:e35975 pubmed publisher . Miyagi M, Ishikawa T, Kamoda H, Suzuki M, Murakami K, Shibayama M, et al. ISSLS prize winner: disc dynamic compression in rats produces long-lasting increases in ...
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How did the Osedax worm get its name?
Osedax is a genus of deep-sea siboglinid polychaetes, commonly called boneworms, zombie worms, or bone-eating worms. Osedax is Latin for "bone-eater". The name alludes to how the worms bore into the bones of whale carcasses to reach enclosed lipids, on which they rely for sustenance. They utilize specialized root tissues for bone-boring.
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What kind of structure does an Osedax have?
Osedax have colorful feathery plumes that act as gills and unusual root-like structures that absorb nutrients. The Osedax secrete acid (rather than rely on teeth) to bore into bone to access the nutrients. Between 50 and 100 microscopic dwarf males live inside a single female and never develop past the larval stage.
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How many species of Osedax are there in the world?
The roots produced by Osedax also house symbiotic bacteria that appear to play a crucial role in nutrition. Since 2004, scientists worldwide have discovered 32 species of Osedax occurring at depths from 10 to 4000 meters.
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What kind of carcasses did Osedax live on?
This finding shows that marine reptile carcasses, before whales, played a key role in the evolution and dispersal of Osedax and confirms that its generalist ability of colonizing different vertebrate substrates, like fishes and marine birds, besides whale bones, is an ancestral trait.
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