Navigation Links
Invasive 'tunicate' appears in Oregon's coastal waters
Date:5/13/2010

CORVALLIS, Ore. An aggressive, invasive aquatic organism that is on the state's most dangerous species list has been discovered in both Winchester Bay and Coos Bay, and scientists say this "colonial tunicate" Didemnum vexillum has serious economic and environmental implications.

Its propensity to foul surfaces of boats, fishing nets, water intakes, docks and buoys could make it costly to control, and its ability to smother shellfish beds and sensitive marine environments threatens other marine life.

"This is not a welcome addition to our bays and now the clock is ticking," said Sam Chan, an invasive species specialist from Oregon State University and chair of the Oregon Invasive Species Council. "The fouling potential from tunicate invasions can be severe, given its ability to reproduce asexually by budding, or breaking off as fragments, and through sexual reproduction where tadpoles emerge, swim and attach themselves to surfaces to form new colonies.

"Didemnum vexillum was found in Puget Sound several years ago and the expense for treating this invasive species can be quite high," added Chan, who is affiliated with the OSU-based Oregon Sea Grant Extension program. "So it is important to determine how widespread the invasion may be."

A team of scientific divers, coordinated by the Oregon Coast Aquarium, will begin looking in Newport's Yaquina Bay and perhaps other locations for colonies of Didemnum vexillum.

The Didemnum invertebrates were first discovered in Winchester Bay, and later in Coos Bay. They are native to Japan and can live from the estuary to the continental shelf. In calm water, colonies may grow in long, beard-like expanses on substrates such as docks, mooring lines, boat hulls and aquaculture infrastructure.

In faster currents, Didemnum forms low, undulating mats overgrowing seabeds of pebbles, boulders and jetty rock. The organisms will grow over, and choke clams, oy
'/>"/>

Contact: Sam Chan
samuel.chan@oregonstate.edu
541-737-1583
Oregon State University
Source:Eurekalert

Page: 1 2 3 4

Related biology news :

1. Climate change will speed spread of invasive fish to northern Europe
2. Invasive fish and mussels team up to transfer toxic substances into Great Lakes walleyes
3. Study reveals that logging debris suppresses development of an invasive competitor, Scotch broom
4. Surgeons demonstrate new minimally invasive technique to correct chest deformity
5. Invasive plants are beneficiaries of climate change in Thoreaus woods
6. Humble garden pea helps Kew scientists develop cool, noninvasive diagnostic test of seed quality
7. Whiskers hold secrets of invasive minks
8. Gas improves blood flow and organ status during minimally invasive surgery
9. Report documents the risks of giant invasive snakes in the US
10. Study details safe, effective, minimally invasive mitral valve repair
11. Research needed to learn which DCIS patients may be candidates for less invasive therapy
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/21/2014)... a significant reduction in smog-producing toxins in past ... A new study shows that while the Greater ... the toxins that contribute to smog, the city ... air pollution., Smog, which can cause or aggravate ... bronchitis, is produced by a set of complex ...
(Date:8/21/2014)... but they are the ultimate source of all organic ... dependent on algae, too, to suck up climate-warming carbon ... bottom of the ocean. Now, by using a combination ... showing that viruses infecting those algae are driving the ... else stays essentially the same, and this has important ...
(Date:8/21/2014)... researchers from Beth Israel Deaconess Medical Center (BIDMC ) ... Most Influential Scientific Minds 2014," a comprehensive list ... web resource for science metrics and research performance analysis. ... most influential "are performing and publishing work that their ... science," according to a Thomson Reuters statement. Researchers were ...
Breaking Biology News(10 mins):Despite a significant reduction in smog-producing toxins, the Greater Toronto Area still violates Canada's standards for ozone air pollution 2Viruses take down massive algal blooms, with big implications for climate 2BIDMC researchers named among 'the most influential scientific minds' 2BIDMC researchers named among 'the most influential scientific minds' 3
... vaccine for visceral leishmaniasis, a parasitic disease that kills ... issue of ACS Chemical Biology . Spread by ... infects about 500,000 people annually, with the majority of ... , Despite a major research thrust by the World ...
... for speech through in-utero eavesdropping, or is their penchant ... but one that's central to understanding the origins and ... McGill University psychologist believes she's separated out the complicating ... says Dr. Athena Vouloumanos, point to a genetic predilection ...
... there's no picture in this kind of article , ... key role in activating the Epstein Barr Virus in human ... Molecular Biology Laboratory (EMBL) and the Institut de Virologie Mol├ęculaire ... the CNRS, in Grenoble. , Like Sleeping Beauty, the Epstein ...
Cached Biology News:Potential vaccine developed for deadly leishmaniasis disease 2Potential vaccine developed for deadly leishmaniasis disease 3Born with a love of speech 2Born with a love of speech 3Waking a sleeping virus 2
(Date:8/21/2014)... -- China Cord Blood Corporation (NYSE: CO ) ... results for the first quarter of fiscal year 2015 ... the US.  The Company will host ... August 29, 2014 to discuss its financial performance and ... followed by a question and answer session.  Interested parties ...
(Date:8/21/2014)... Gallus BioPharmaceuticals , LLC, ... manufacturing organization (CMO) announced today that it has ... company focused on the development of innovative approaches ... anti-prostate specific membrane antigen (PSMA) monoclonal antibody used ... the agreement the antibody will be produced in ...
(Date:8/20/2014)... of patented university inventions licensed to biotechnology firms ... commercialization. To open these roadblocks, the researchers suggest ... the discovery stage could lead to faster commercialization ... derived from discoveries made in university laboratories and ... during clinical trials, which have a high failure ...
(Date:8/20/2014)... 2014 High performance computing (HPC) ... most complete climate and Earth system model to ... issues. , Eight national laboratories, including Lawrence ... Center for Atmospheric Research, four academic institutions and ... participating national laboratories include Argonne, Brookhaven, Lawrence Berkeley, ...
Breaking Biology Technology:China Cord Blood Corporation to Report First Quarter of Fiscal 2015 Financial Results 2Gallus Enters Agreement with Progenics Pharmaceuticals, Inc. for Manufacture of Anti-PSMA Monoclonal Antibody 2Gallus Enters Agreement with Progenics Pharmaceuticals, Inc. for Manufacture of Anti-PSMA Monoclonal Antibody 3Early bottlenecks in developing biopharmaceutical products delay commercialization 2Early bottlenecks in developing biopharmaceutical products delay commercialization 3New Project Is the ACME of Addressing Climate Change 2New Project Is the ACME of Addressing Climate Change 3
... is its new technology. Much of the technology for the ... enable it to see farther back in time. As with ... used to benefit humankind in many other industries. The ... to the Hubble Space Telescope. The most powerful space telescope ...
... MILFORD, Mass., April 18, 2012 SeraCare Life Sciences, ... sciences company providing vital products and services to facilitate ... therapeutics, announced that, at a special meeting of shareholders ... agreement with Project Plasma Holdings Corporation and Project Plasma ...
... Intellect Neurosciences, Inc. (OTCBB:ILNS), a biopharmaceutical company ... therapeutic agents for the treatment of Alzheimer,s and ... into a collaboration agreement with the University California, ... acting peptide vaccine candidate to induce an immune ...
Cached Biology Technology:Webb Telescope spinoff technologies already seen in some industries 2Webb Telescope spinoff technologies already seen in some industries 3Webb Telescope spinoff technologies already seen in some industries 4SeraCare Shareholders Approve Acquisition by Linden Capital Partners 2SeraCare Shareholders Approve Acquisition by Linden Capital Partners 3Intellect Neurosciences Enters Collaboration Agreement with Leading Alzheimer's Research Group at University of California Irvine to Test First in Class Dual Target Vaccine 2Intellect Neurosciences Enters Collaboration Agreement with Leading Alzheimer's Research Group at University of California Irvine to Test First in Class Dual Target Vaccine 3Intellect Neurosciences Enters Collaboration Agreement with Leading Alzheimer's Research Group at University of California Irvine to Test First in Class Dual Target Vaccine 4
... Custom monoclonal antibody development to targets including ... molecules, DNA, and cancer-specific surface antigens. ... and is completed in approximately 40 days ... nature of antigens). Phase I: Immunization, ...
... Clone/PAD: ZMD.460. Immunogen: Synthetic peptide ... human C35 protein (chromosome 17 open reading ... Specific for the C35 protein. On ... at ~15 kDa band. Reactivity: Human ...
... Peptide sequences: Two separate ... corresponding to the same sequence used ... antiserum (Catalog No. 160890) ... with Cayman's guanylate cyclase polyclonal antiserum ...
Immunogen: Secretory component isolated from human colostrum. Storage: 4 C...
Biology Products: