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Spirometra erinaceieuropaei
Scientific classification
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Cestoda
Subclass: Eucestoda
Order: Pseudophyllidea
Family: Diphyllobothriidae
Genus: Spirometra
Species: S. erinaceieuropaei
Binomial name
Spirometra erinaceieuropaei
(Rudolphi, 1819) Mueller, 1937

Spirometra erinaceieuropaei is a tapeworm that infects domestic animals and humans. In humans infection is called sparganosis. The worm has an interesting lifecycle. The adult worm is present in the small intestine of cats and dogs where it may grow as long as 1.5 metres. Eggs from the worm are passed with the host feces, when they develop into a procercoid larva. This larva may be directly ingested by humans or may enter an intermediate host which include frogs, birds, snakes, rats and mice and become a plerocercoid larva. When cats, dogs, foxes or wolves eat the intermediate host the worm completes its life cycle becoming an egg producing adult. Because humans would normally ingest the worm at the procercoid stage the human is a dead-end host.

In 2014, the journal Genome Biology reported the case of a British man discovered to have been infected by the tapeworm from an unknown cause (possibly a traditional frog meat poultice) while in China. [1] The parasitic worm was recorded on successive MRI scans of his brain, moving location by about 5 cm before doctors realised it was there. The 50-year old first visited doctors in 2008 suffering from headaches, seizures, memory loss and complaining that his sense of smell had changed. Drug therapy[citation needed] killed the 10-cm ribbon-shaped larval worm and the man completely recovered.

Genomics[edit]

The genome of Spirometra erinaceieuropaei was sequenced in 2014 and is available through the WormBase ParaSite website.[2]

See also[edit]

References[edit]

  1. ^ "Parasitic tapeworm lived in man’s brain for four years" The Telegraph newspaper (London), access date 11.21.2014
  2. ^ Genome Biology 2014, 15:510 doi:10.1186/s13059-014-0510-3 The genome of the sparganosis tapeworm Spirometra erinaceieuropaei isolated from the biopsy of a migrating brain lesion

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Spirometra_erinaceieuropaei — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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11 videos found

1478 news items

Telegraph.co.uk

New Scientist
Thu, 20 Nov 2014 16:00:00 -0800

Genetic sequencing identified it as Spirometra erinaceieuropaei, a rare species of tapeworm found in China, South Korea, Japan and Thailand. Just 300 human infections have been reported since 1953, and not all of them in the brain. The parasite starts ...
 
Popular Science
Fri, 21 Nov 2014 09:26:15 -0800

Researchers from the Wellcome Trust Sanger Institute successfully mapped the genome of this man's particular tapeworm, revealing it to be an extremely rare species known as Spirometra erinaceieuropaei. It marked the first time this species of tapeworm ...

Telegraph.co.uk

Telegraph.co.uk
Thu, 20 Nov 2014 17:07:30 -0800

Spirometra erinaceieuropaei's genome is 1.26Gb long, making it ten times larger than other tapeworm genomes and one-third the size of the human genome. Some of this seems to come from an increase in the number of genes that may help the parasite to ...

Sydney Morning Herald

Genetic Literacy Project
Tue, 25 Nov 2014 10:00:00 -0800

Researchers from the Wellcome Trust Sanger Institute successfully mapped the genome of this man's particular tapeworm, revealing it to be an extremely rare species known as Spirometra erinaceieuropaei. It marked the first time this species of tapeworm ...
 
Outbreak News Today
Fri, 21 Nov 2014 11:30:00 -0800

A very rare parasite was discovered residing in the brain of a man from the United Kingdom by researchers at CUH Addenbrooke, the 1 cm long tapeworm lived there for at least four years. The tapeworm, identified as Spirometra erinaceieuropaei, traveled ...

Fox News

Fox News
Mon, 24 Nov 2014 09:37:30 -0800

Surgeons successfully removed a tapeworm from the brain of a British man who was suffering from headaches, seizures, memory issues and altered smell, Health24.com reported. The 50-year-old unidentified man was suffering from an infection caused by a ...

Lenta.ru

Lenta.ru
Fri, 21 Nov 2014 07:56:15 -0800

Spirometra erinaceieuropaei способны всасывать питательные вещества непосредственно через кожу, прежде всего жиры — а ткани мозга очень богаты жирными кислотами. Благодаря этим веществам животное и смогло двигаться, находясь ...

Wired.co.uk

Wired.co.uk
Fri, 21 Nov 2014 09:26:15 -0800

There have only been 300 reports of the worm, known as Spirometra erinaceieuropaei, since 1953 and it has never appeared in the UK before. As the parasite is so rare it is not known exactly how it entered the man's body, although it is possible that it ...
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