Navigation Links
New parasite could be late summer beach pest
Date:6/9/2010

Researchers at the University of Gothenburg have discovered a new sea anemone that is thought to have established itself in Swedish waters. Larvae from similar anemones causes skin problems for sea bathers in the USA.

Researchers at the Department of Marine Ecology at the University of Gothenburg have been following the invasion of the American comb jellyfish, Mnemiopsis, for several years. They have now discovered that it contains larvae from another species: a sea anemone that lives on it as a parasite. According to the researchers, this could be the same parasite that causes skin rashes on sea bathers in the USA.

Causes skin irritation

The sea anemone, which the Gothenburg researchers believe to have identified through DNA analysis as Edwardsiella, is common in the comb jellyfish's natural environment in the West Atlantic, but has not previously been found in Swedish waters or anywhere else that the comb jellyfish has spread to. It is the sea anemone's larvae which live as parasites on the jellyfish, and which cause skin irritation in humans and these may be problematic for Swedish sea bathers too.

Further genetic analysis

"The American variety of the sea anemone causes a skin complaint known as sea bather's eruption, which doesn't generally require treatment, but takes the form of quite a nasty rash that lasts for a few days," says researcher Erik Selander. "But the anemone we have found is confusingly similar to a Swedish anemone called Edwardsiella carnea, and we won't know which of the two species it is, or whether there actually are two species involved, until we have carried out further genetic analysis.

Isolated cases

"If it is the American Edwardsiella that has come here, we could see isolated cases of sea bather's eruption here in Sweden too as we move towards autumn," believes Selander.

September peak

"However, we haven't seen the extreme numbers of the species in Swedish waters that are present on the American east coast. The anemone larvae also peak in September, after the high season for Swedish bathers."

Not entirely bad

Erik Selander and his colleagues recorded the parasite during two separate surveys in 2007 and 2008. In the latter, parasite numbers had increased to 40 per of the comb jellyfish numbers. From an ecological point of view, the finding is therefore not an entirely bad thing.

Can suppress invading jellyfish

"The explosive increase in numbers of comb jellyfish here and in the Black Sea, for example, is thought to be down to the fact that the jellyfish has fewer natural predators here than in its natural environment," says Selander. "It is therefore particularly exciting to see what will happen now that a natural predator has shown up. Given that there are so many parasites, it is hoped that they can help suppress the invasion of the jellyfish somewhat, as it seems to do on the other side of the Atlantic."


'/>"/>

Contact: Erik Selander
46-730-226-208
University of Gothenburg
Source:Eurekalert  

Related biology news :

1. Immune evasion common in many viruses, bacteria and parasites is uncommon in M. tuberculosis
2. Lake sturgeon have genes from parasite, signs of human STD
3. Scientists sever molecular signals that prolific parasite uses to puppeteer cells
4. Penn researchers identify immune cells that fight parasites may promote allergies and asthma
5. UCR researcher identifies mechanism malaria parasite uses to spread among red blood cells
6. NTU researchers complete the worlds first in-depth study of the malaria parasite genome
7. Gorillas carry malignant malaria parasite, study reports
8. Scientists hope to end sleeping sickness by making parasite that causes it self-destruct
9. MSU research may lead to new ways to control honeybee parasite
10. UGA researchers lead team in discovery involving devastating freshwater fish parasite, Ich
11. New insight in the fight against the Leishmania parasite
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New parasite could be late summer beach pest
(Date:4/28/2016)... BANGALORE, India , April 28, 2016 /PRNewswire/ ... product subsidiary of Infosys (NYSE: INFY ), and ... global partnership that will provide end customers with ... banking and payment services.      (Logo: http://photos.prnewswire.com/prnh/20130122/589162 ... area for financial services, but it also plays a fundamental ...
(Date:4/28/2016)... GOTHENBURG, Sweden , April 28, 2016 ... 1,491.2 M (139.9), up 966% compared with the first quarter of ... Operating profit totaled SEK 589.1 M (loss: 18.8) and the operating ... SEK 7.12 (loss: 0.32) Cash flow from operations was ... , The 2016 revenue guidance is unchanged, SEK 7,000-8,500 M. ...
(Date:4/26/2016)... and LONDON , April ... part of EdgeVerve Systems, a product subsidiary of ... today announced a partnership to integrate the Onegini ...      (Logo: http://photos.prnewswire.com/prnh/20151104/283829LOGO ) ... their customers enhanced security to access and transact ...
Breaking Biology News(10 mins):
(Date:5/2/2016)... ... May 02, 2016 , ... StarNet Communications Corp, ( ... the addition of three Secure Remote Desktop modules to its flagship X-Win32 PC X ... Linux and Unix servers to the user’s PC over encrypted SSH. , Traditionally, users ...
(Date:4/29/2016)... , April 29, 2016 ... by Transparency Market Research "Separation Systems for Commercial ... Growth, Trends, and Forecast 2015 - 2023", the ... at US$ 10,665.5 Mn in 2014 and is ... from 2015 to 2023 to reach US$ 19,227.8 ...
(Date:4/28/2016)... April 28, 2016 The report ... Brayton Cryocoolers), Service (Technical Support, Product Repairs & Refurbishment, ... Global Forecast to 2022", published by MarketsandMarkets, the global ... by 2022, at a CAGR of 7.29% between 2016 ... Tables and 94 Figures spread through 159 Pages and ...
(Date:4/28/2016)... Windsor, Connecticut (PRWEB) , ... April 28, 2016 ... ... Morris Group, Inc., will hold an open house for regional manufacturers at its ... and displays from Tsugami, Okuma, Hardinge Group, Chiron and Trumpf. Almost 20 ...
Breaking Biology Technology: