Navigation Links
Global warming changes balance between parasite and host in fish -- new study
Date:12/4/2011

ut warmer temperatures, creating a positive feedback mechanism to exacerbate the effects of global warming.

"This research shows that global warming could shift the balance between parasites and their hosts with potentially serious implications for fish populations."

The scientists found that parasitic worms infecting stickleback fish grew four times faster in experimentally infected sticklebacks raised at 20C than when raised at 15C.

In contrast, the fish grew more slowly at the higher temperature, suggesting that fish parasites cope with higher temperatures much better than the fish they infect.

Dr Barber said: "The results are important because the size these parasites attain in their fish hosts also determines their infectivity to fish-eating birds like kingfishers and herons the next hosts in the parasite's life cycle and also the number of parasite eggs that they will go on to produce. Bigger larval parasites in the fish go on to become larger adult worms in birds, which produce more eggs.

"After the 8 weeks of the study, all of the worms infecting the fish held at 20C were ready to infect fish-eating birds, whereas none of those held at the lower temperature had reached a size at which they were ready to be transmitted."

In a follow up study, the authors also showed that fish infected with the largest worms showed a preference for warmer water, suggesting that these parasites also manipulate the behaviour of host fish in ways that benefit the parasites and maximize their growth rates.

The results provide some of the first evidence that increasing environmental temperatures can lead to a shift in the delicate balance that exists between co-evolved hosts and parasites, increasing the speed with which parasites complete their life cycles that could lead to an increase in the overall level of parasitism in natural animal populations.


'/>"/>

Contact: Dr. Iain Barber
ib50@le.ac.uk
44-116-252-3462
University of Leicester
Source:Eurekalert  

Page: 1 2

Related biology news :

1. New studies find global warming will have significant economic impacts on Florida coasts
2. Growth in the global carbon budget
3. Global science community to gather in Mozambique
4. Experts to discuss global water crisis
5. World leaders in infectious diseases convene to discuss emerging global viruses
6. Mandate for biofuels production requires science-based policy and global perspective
7. 7 Texas mammals listed as threatened on Global Mammal Assessment
8. Tropical rainforest and mountain species may be threatened by global warming
9. Global warming threatens Australias iconic kangaroos
10. Global Viral Forecasting Initiative receives $11M to implement pandemic early warning system
11. Earlier global warming produced a whole new form of life
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Global warming changes balance between parasite and host in fish -- new study
(Date:10/15/2014)... Geneticist Fred Alt will be awarded the 44th Rosenstiel ... University for his pioneering research exploring the mechanisms of ... and cancer cells. Alt is the second alumnus to ... the Nobel Prize in 2003. , Alt is the ... Genetics at Harvard Medical School and an investigator at ...
(Date:10/14/2014)... house fly genome for the first time, revealing robust ... that thrives in pathogen-rich dung piles and garbage heaps. ... Genome Biology , will increase understanding of house ... adapt to resist insecticides, which could lead to novel ... and transmit more than 100 human and animal diseases, ...
(Date:10/14/2014)... WORCESTER, MA – A team of scientists led ... School (UMMS) and the University of Miami Miller ... likely a key genetic pathway underlying bipolar (manic ... better drugs for treating bipolar affective disorder, as ... , The new findings, published online this week ...
Breaking Biology News(10 mins):Brandeis awards 44th Rosenstiel Award to pioneering geneticist Fred Alt 2House fly genome reveals expanded immune system 2Rare genetic disease protects against bipolar disorder 2Rare genetic disease protects against bipolar disorder 3
... Rochelle, NY, December 21, 2010Pregnancy among women veterans who served ... mental health problems such as depression, anxiety, and post-traumatic stress ... of Women,s Health , a peer-reviewed journal published by Mary ... The stress associated with military service in a ...
... Cold Spring Harbor, NY-- Newly published research led by ... Laboratory (CSHL) sheds important new light on how neurons ... This activity, called synapse validation, is at the heart ... is directly implicated in pathology that gives rise to ...
... Nutritional supplementation with Spirulina, a nutrient-rich, blue-green algae, ... neurons in a mouse model of amyotrophic lateral ... University of South Florida neuroscientists have found. ... a spirulina-supplemented diet may provide clinical benefits for ...
Cached Biology News:CSHL scientists show in unprecedented detail how cortical nerve cells form synapses with neighbors 2CSHL scientists show in unprecedented detail how cortical nerve cells form synapses with neighbors 3Blue-green algae tested for treating ALS 2
(Date:10/19/2014)... The Asian Automatic patient billing report ... and forecast of revenue. The Automatic patient billing market ... million by 2018, at a developing CAGR of 7.2% ... of the Asian Automatic patient billing market, to get ... provides a glimpse of the segmentation of this market ...
(Date:10/19/2014)... 2014 The Asian Orthopedic braces and support ... with analysis and forecast of revenue. The Orthopedic braces and ... around $416.5 million by 2018, at a developing CAGR of ... of the Asian Orthopedic braces and support systems market, to ... provides a glimpse of the segmentation of orthopedic braces and ...
(Date:10/18/2014)... (PRWEB) October 19, 2014 The ... (Short Acting, Intermediate Acting, Premixed), Modern Human Insulin ... Apidra, Levemir, NovoRapid, Novomix, Tresiba, Others) - Forecast ... major drivers, restraints, challenges, opportunities, current market trends, ... along with the estimates and forecasts of the ...
(Date:10/18/2014)... (PRWEB) October 18, 2014 The Asian ... in Asia with analysis and forecast of revenue. The ... to $712.3 million by 2018, at a CAGR of ... TOC of the Asian arthroscopic devices market, to get ... provides a glimpse of the segmentation of arthroscopic devices ...
Breaking Biology Technology:The Asian Automatic patient billing market is estimated to grow to around $463.9 million by 2018 - New Report by MicroMarket Monitor 2The Asian Automatic patient billing market is estimated to grow to around $463.9 million by 2018 - New Report by MicroMarket Monitor 3The Asian Orthopedic braces and support systems market is estimated to grow to around $416.5 million by 2018 - New Report by MicroMarket Monitor 2The Asian Orthopedic braces and support systems market is estimated to grow to around $416.5 million by 2018 - New Report by MicroMarket Monitor 3The Asian Orthopedic braces and support systems market is estimated to grow to around $416.5 million by 2018 - New Report by MicroMarket Monitor 4Medical Human Insulin Market Is Expected to Reach $42 billion by 2019 - New Research Report by MarketsandMarkets 2Medical Human Insulin Market Is Expected to Reach $42 billion by 2019 - New Research Report by MarketsandMarkets 3Medical Human Insulin Market Is Expected to Reach $42 billion by 2019 - New Research Report by MarketsandMarkets 4Medical Human Insulin Market Is Expected to Reach $42 billion by 2019 - New Research Report by MarketsandMarkets 5The Asian arthroscopic devices market is estimated to grow to $712.3 million by 2018 - New Report by MicroMarket Monitor 2The Asian arthroscopic devices market is estimated to grow to $712.3 million by 2018 - New Report by MicroMarket Monitor 3The Asian arthroscopic devices market is estimated to grow to $712.3 million by 2018 - New Report by MicroMarket Monitor 4
... - ... ... PDL BioPharma, Inc.,(PDL) (Nasdaq: PDLI ) today announced a ... of novel antibodies in,oncology and select immunological diseases, following a months-long,business ...
... Aug. 28 The American Chemical Society,(ACS) presented the ... prestigious 2007 Heroes of Chemistry award this week,at the ... new 100,percent renewable ingredient -- the first of its ... Tenn., by the DuPont Tate & Lyle Bio,Products joint ...
... Healthcare unit is now licensed to supply ISBT 128-compliant label,design and ... ... and laboratories, MILWAUKEE, Aug. 28 Niceware(R) International, ... enables,Niceware Healthcare to provide ISBT 128-compliant blood bag labeling,software solutions that ...
Cached Biology Technology:PDL BioPharma Announces Significant Strategic and Portfolio Changes to Focus on Antibody Discovery and Development 2PDL BioPharma Announces Significant Strategic and Portfolio Changes to Focus on Antibody Discovery and Development 3PDL BioPharma Announces Significant Strategic and Portfolio Changes to Focus on Antibody Discovery and Development 4PDL BioPharma Announces Significant Strategic and Portfolio Changes to Focus on Antibody Discovery and Development 5DuPont, Genencor International and Tate & Lyle Honored for Groundbreaking Work in Developing Bio-PDO(TM) 2DuPont, Genencor International and Tate & Lyle Honored for Groundbreaking Work in Developing Bio-PDO(TM) 3DuPont, Genencor International and Tate & Lyle Honored for Groundbreaking Work in Developing Bio-PDO(TM) 4Niceware International Announces Licensed Vendor Status with ICCBBA, Inc. to Provide ISBT 128-compliant Software 2
... N,N- bis- (3-D-Gluconamidopropyl)deoxycholamide White ... CHAPS and CHAPSO. Has reduced electrostatic interactions ... chromatography on DEAE-cellulose. Aggregation number: 8-16. ... H 2 O. Aggregation number 8 - ...
... N-Dodecyl-N,N-(dimethylammonio)butyrate White crystalline ... similar to DDMAU (Cat. No. 252005) but ... arm. More efficient for the extraction of ... DDMAU. Purity: ≥98% by TLC. ...
Anti-Protein Kinase-A (PKA) Regulatory subunit IIB; rabbit host...
Identify and characterize Phosphoinositide (PI(3,4,5)P3) binding...
Biology Products: