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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 and are not usually eaten by cats and dogs, the human is a dead-end host.

In 2014 British man was found 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 realized it was alive. The 50-year old first visited doctors in 2008 suffering from headaches, seizures, memory loss, and complaining that his sense of smell had changed. The 10-cm ribbon-shaped larval worm was removed during a surgical procedure and the man recovered.[2]

Genomics[edit]

The genome of S. erinaceieuropaei recovered from the patient's brain was sequenced in 2014 and is available through the WormBase ParaSite website.[3]

See also[edit]

References[edit]



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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146 news items

Telegraph.co.uk

New Scientist
Thu, 20 Nov 2014 16:06:43 -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 ...

SE.pl

SE.pl
Tue, 03 Mar 2015 08:30:00 -0800

Winny był pasożyt Spirometra erinaceieuropaei. Tasiemiec zazwyczaj żeruje w naszym układzie pokarmowym. Jednak ten wyjątek lekarze odnaleźli w głowie mężczyzny. Jak do tego doszło? Pacjent prawdopodobnie zaraził się pasożytem poprzez robienie ...

Bloomberg

Bloomberg
Fri, 21 Nov 2014 13:38:50 -0800

The worm, which is called Spirometra erinaceieuropaei, is extremely rare, and can cause seizures and memory loss. Cases have typically popped up in the East, potentially caused by small infected shelfish, raw reptile or frog meat. The 1-centimeter-long ...
 
Uniradio Informa
Tue, 25 Nov 2014 19:56:15 -0800

Investigadores de Instituto Sanger de Cambridge, lograron identificar de manera exitosa el genoma de este gusano, revelando que se trataba de una rara especie llamada Spirometra erinaceieuropaei. Los científicos esperan que la información genética ...

whotv.com

whotv.com
Tue, 20 Jan 2015 06:03:24 -0800

The patient, who was of Chinese descent, had recently visited China, which along with South Korea, Japan and Thailand, has more regular occurrences of the parasite known as Spirometra erinaceieuropaei. Four years earlier the man had first experienced ...

abc7news.com

abc7news.com
Fri, 23 Jan 2015 04:33:45 -0800

But as the worm moved over the years, the symptoms changed. In 2013, doctors finally made the horrifying discovery: They diagnosed him with Sparganosis, which is a parasitic infection caused by the tapeworm Spirometra erinaceieuropaei. "It had moved ...

KXRM

KXRM
Wed, 21 Jan 2015 17:07:30 -0800

The patient, who was of Chinese descent, had recently visited China, which along with South Korea, Japan and Thailand, has more regular occurrences of the parasite known as Spirometra erinaceieuropaei. Four years earlier the man had first experienced ...

Scientist

Scientist
Mon, 24 Nov 2014 15:21:23 -0800

And researchers sequenced the centimeter-long worm upon its extraction to find that it had a genome 10 times larger than any other tapeworm sequenced—a fact that may account for Spirometra erinaceieuropaei's ability to infect numerous hosts. “Humans ...
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