Navigation Links
Rising ocean temperatures, pollution have oysters in hot water

n than the unexposed group, but were either unable to obtain enough oxygen, convert the oxygen they obtained to energy, or both. The researchers drew this conclusion, Lannig said, based on measurements of respiratory activity, the animal's blood oxygen content and mitochondrial function.

The 28°C cadmium-exposed group spent more time in respiratory activity, trying to take in oxygen. Their shells were open significantly longer than any of the other groups, a measure of the amount of time they spend "breathing." (When oysters open their shells, they are taking in oxygen. Oxygen flow stops when they close the shell.)

The researchers also examined the effect of cadmium and temperature on the mitochondria of the oyster's cells. The mitochondria are the cell's power plant, producing energy for the oyster, including for ventilation and circulation.

"We found that mitochondria are very sensitive to cadmium at high temperatures," Lannig noted, suggesting that the higher temperature and cadmium exposure negatively affect the mitochondria's ability to produce energy.

Blood oxygen falls

In a second experiment, the researchers acclimated two groups of oysters to 20°C water. One group was exposed to cadmium. Both groups were then subjected to an acute temperature increase of 4°C overnight (to 24°C).

"Here we saw that the cadmium-exposed oysters showed a decrease in blood oxygen content with the higher temperature, but not the control group that was not exposed to cadmium," Lannig said. Once again, this shows that the combination of temperature and pollution combine to intensify the stress placed on the oyster's physiological system.

In future experiments, the researchers will try to determine whether the combination of temperature and pollution is preventing oysters from obtaining enough oxygen or whether it is interfering with the animal's ability to use the oxygen it obtains, Lannig said. These experi
'"/>

Source:American Physiological Society


Page: 1 2 3 4

Related biology news :

1. NASA study finds snow melt causes large ocean plant blooms
2. Anammox bacteria produce nitrogen gas in oceans snackbar
3. Elephant seal pups suffer from ocean warming
4. Currents could disrupt ocean food chain
5. Scientists discover global pattern of big fish diversity in open oceans
6. Microbe has huge role in ocean life, carbon cycle
7. Genetics links whale to two different ocean basins
8. Climate change will affect carbon sequestration in oceans, model shows
9. Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect
10. Understanding the oceans microbes is key to the Earths future
11. Scientists discover interplay between genes and viruses in tiny ocean plankton
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Rising ocean temperatures pollution have oysters hot water

(Date:5/26/2015)... , May 26, 2015 ... the addition of the "Saudi Arabia Biometric ... to their offering. ,     (Logo: http://photos.prnewswire.com/prnh/20130307/600769) , ,The ... is projected to grow at over ... growth is attributed to the surging demand for ...
(Date:5/22/2015)...  NXT-ID, Inc. (NASDAQ: NXTD ) ("NXT-ID" or the ... its promotional pricing and making the Wocket generally available for ... , Head of Marketing said, "We,ve extended the opportunity to ... of May. To get your wocket at this special price, ... store on June 1, you,ll receive a unique code that ...
(Date:5/21/2015)... 2015 According to a ... (Hardware, Software, Services), by Applications (Surveillance (Airborne, Maritime, ... End-Users (Military & Defense & Commercial) - Global ... Market is expected to grow from $7252.0 Million ... a Compound Annual Growth Rate (CAGR) of 6.6%. ...
Breaking Biology News(10 mins):Saudi Arabia Biometric Systems Market Forecast and Opportunities, 2020 with Morpho Safran, ZK Technlogy, and Suprema Dominating 2NXT-ID, Inc Announces Retail Price For Wocket Smart Wallet And Extends Discounted Promotional Price Till End Of May 2NXT-ID, Inc Announces Retail Price For Wocket Smart Wallet And Extends Discounted Promotional Price Till End Of May 3Thermal Imaging Market Worth $9,998.9 Million by 2020 2Thermal Imaging Market Worth $9,998.9 Million by 2020 3Thermal Imaging Market Worth $9,998.9 Million by 2020 4
... how cells work may get a boost from a new ... The new technique, developed by a research team ... chemistry Lawrence Miller, provides the clearest, most dynamic view yet ... modified microscope. The finding is reported in the ...
... Riverside,s mobile emissions laboratory was back on the road ... Beaumont testing ways to better measure particulates from diesel ... Air Resources Board, a team of UC Riverside researchers ... for Environmental Research and Technology (CE-CERT), are attempting to ...
... Patent Office has issued a patent to Dr. Mark ... University, for his invention of an "Electromagnetic Probe Device" ... for Micromanufacturing. DeCoster, in collaboration with co-inventor Dr. ... New Orleans, developed the device for use in conjunction ...
Cached Biology News:New tagging technique enhances view of living cells 2UC Riverside researchers measure diesel emissions on the freeway 2Louisiana Tech professor, researcher receives patent for electromagnetic technology 2
(Date:5/27/2015)... FRANCISCO, Calif. , May 27, 2015 /PRNewswire/ ... the treatment of cancer, today announced the appointments ... officer and Cynthia Ladd as senior ... CytomX, Goeltz was chief financial officer of Onyx ... as an independent consultant and legal counsel to ...
(Date:5/27/2015)... -- US-Australian drug discovery and development company, Novogen Limited (ASX: NRT; ... at the Brain Tumor Biotech Summit 2015, being held in ... The venue is the Lennox Hill Hospital, East 76 th ... The Brain Tumor Biotech Summit brings together the nation,s top ... community to promote innovative new therapies for brain tumors.  ...
(Date:5/26/2015)... BELLINGHAM, Washington, USA (PRWEB) May 26, 2015 ... a formal partnership with the Max Planck Society ... Extreme and Quantum Photonics. The center will link two ... of photonics, and will be only the third Max ... SPIE, the international society for optics and photonics, ...
(Date:5/26/2015)... , Kalifornien und HILDEN, Deutschland, May 26, ... Clinical Insight ®   ... und die Erstellung dazugehöriger Berichte; Vorstellung auf ... QIAGEN N.V. (NASDAQ: QGEN ... die Markteinführung von QIAGEN Clinical Insight ® ...
Breaking Biology Technology:CytomX Expands Executive Leadership Team 2CytomX Expands Executive Leadership Team 3Novogen to Present at Brain Tumor Biotech Summit 2015 2Novogen to Present at Brain Tumor Biotech Summit 2015 3Novogen to Present at Brain Tumor Biotech Summit 2015 4Novogen to Present at Brain Tumor Biotech Summit 2015 5Third Max Planck Centre in North America Inaugurated at University of Ottawa 2Third Max Planck Centre in North America Inaugurated at University of Ottawa 3QIAGEN bringt klinische Bioinformatik-Plattform für Next Generation Sequencing-Anwendungen auf den Markt 2QIAGEN bringt klinische Bioinformatik-Plattform für Next Generation Sequencing-Anwendungen auf den Markt 3QIAGEN bringt klinische Bioinformatik-Plattform für Next Generation Sequencing-Anwendungen auf den Markt 4QIAGEN bringt klinische Bioinformatik-Plattform für Next Generation Sequencing-Anwendungen auf den Markt 5QIAGEN bringt klinische Bioinformatik-Plattform für Next Generation Sequencing-Anwendungen auf den Markt 6
... with Pfizer,s recently ... MALIBU, Calif., Nov. 15 Pathway Diagnostics announces,that the ... Patent,number 7,294,458 (the ,458 patent) entitled "Analysis of HIV-1 ... Diagnostics,has licensed the ,458 patent (with rights to sub-license) ...
... At a meeting of the,Board of ... ), held today, a dividend of ... outstanding shares of Preferred Stock was,declared ... stockholders of record at the close,of ...
... George Abercrombie, Pfizer R&D Head Martin,Mackay, HHS Deputy Secretary ... Headline Agenda at FDA/CMS Summit 2007, WASHINGTON, Nov. ... for drug approvals. Unfortunately for the biopharma sector and,investors, ... is on track,to grant marketing approval to 18 or ...
Cached Biology Technology:Pathway Diagnostics Announces Patent Issuance for the Diagnostic Measurement of HIV Tropism for the Initiation or Modification of HIV Therapy 2So Long, Old Friend: The End of the Blockbuster Drug Era? What 2008 Holds for Bringing Drugs to Market 2So Long, Old Friend: The End of the Blockbuster Drug Era? What 2008 Holds for Bringing Drugs to Market 3
Agarose for baculovirus plaque assays which allow optimal growth of plated insect cells....
BD BaculoGold Max-XP Insect Cell Medium 1 Liter...
Mycoplasma and virus tested...
Edited by I.H. Pawlowitzki, J.H. Edwards and E.A. Thompson (1997) • This volume covers: Linkage in dominant recessive and oligogenic disease, Model free (non-parametric) methods, Tools for gene ...
Biology Products: