Navigation Links
Fertilizer chemicals linked to animal developmental woes
Date:8/27/2010

Fertilizer chemicals may pose a bigger hazard to the environment specifically to creatures that live in water than originally foreseen, according to new research from North Carolina State University toxicologists.

In a study published in the Aug. 27 edition of PLoS One, the NC State researchers show that water fleas take up nitrates and nitrites common chemicals used primarily in agriculture as fertilizers and convert those chemicals into nitric oxide. Nitric oxide can be toxic to many organisms.

The study shows that water fleas introduced to fertilizer chemicals in water were plagued with developmental and reproductive problems consistent with nitric oxide toxicity, even at what would be considered low concentrations.

This raises questions about the effect these chemicals may have on other organisms, says Dr. Gerald LeBlanc, professor of environmental and molecular toxicology at NC State and the corresponding author of the paper describing the results. He adds that additional research will be needed to explore those questions.

LeBlanc says that some of the study's results were surprising.

"There's only limited evidence to suggest that animals could convert nitrates and nitrites to nitric oxide, although plants can," he says. "Since animals and plants don't have the same cellular machinery for this conversion, it appears animals use different machinery for this conversion to occur."

LeBlanc was also dismayed at seeing toxic effects at low chemical concentrations.

"Nitrite concentrations in water vary across the United States, but commonly fall within 1 to 2 milligrams per liter of water," he says. "We saw negative effects to water fleas at approximately 0.3 milligrams per liter of water."

Harmful effects of nitric oxide included developmental delay water flea babies were born on schedule but were underdeveloped; some lacked appendages important for swimming,
'/>"/>

Contact: Dr. Gerald LeBlanc
gerald_leblanc@ncsu.edu
919-515-7404
North Carolina State University
Source:Eurekalert

Page: 1 2

Related biology news :

1. Discovery in legumes could reduce fertilizer use, aid environment: Stanford researchers
2. Fertilizer use not always helpful in revegetation efforts
3. Sustainable fertilizer: Urine and wood ash produce large harvest
4. Water quality improves after lawn fertilizer ban, study shows
5. Study highlights massive imbalances in global fertilizer use
6. World fertilizer prices drop dramatically after soaring to all-time highs
7. Fertilizers -- a growing threat to sea life
8. University of Manchester academics at international conference on geographic chemicals
9. UD prof helps discover new chemical method important to drug design, agrichemicals
10. Researchers offer first proof that chemicals from seaweeds damage coral on contact
11. Cell phones that protect against deadly chemicals? Why not?
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/27/2014)... PITTSBURGHLearning a new skill is easier when it is ... a trained pianist might learn a new melody more ... , Neural engineers from the Center for the Neural ... of Pittsburgh and Carnegie Mellon Universityhave discovered a fundamental ... happens. Published as the cover story in the Aug. ...
(Date:8/27/2014)... greatest risk to Europe based upon a proxy for ... using a ,big data, approach to scientific research. , ... Global Health ranked the top 100 pathogens affecting humans ... system which, they believe, will help governments across the ... infectious diseases, including as a result of climate change, ...
(Date:8/27/2014)... that exists as five strains, none of which have ... the Sudan ebolavirus (SUDV). Although not the strain currently ... as recently as 2012. In a new study appearing ... now report a possible therapy that could someday help ... Sidhu, Jonathan Lai and colleagues explain that about 50-90 ...
Breaking Biology News(10 mins):Pitt and Carnegie Mellon engineers discover why learning can be difficult 2Pitt and Carnegie Mellon engineers discover why learning can be difficult 3Big data approach identifies Europe's most dangerous human and domestic animal pathogens 2Potential therapy for the Sudan strain of Ebola could help contain some future outbreaks 2
... of Princeton biologists and engineers has dramatically improved the speed ... influences almost every aspect of how cells and tissues function. ... cells, cancer and other problems of fundamental importance to biology ... look at a special class of proteins called histones, which ...
... National Institute of Environmental Health Sciences (NIEHS), part of ... in understanding the potential health, safety and environmental issues ... everyday products such as sunscreens, cosmetics and electronics. The ... period, through the American Recovery and Reinvestment Act, to ...
... saliva to tell whether those stiff joints, memory lapses, and ... for disease, scientists are describing how the protein content of ... to a simple, noninvasive test for better diagnosing and treating ... in ACS, Journal of Proteome Research , a monthly ...
Cached Biology News:Beyond genomics, biologists and engineers decode the next frontier 2Beyond genomics, biologists and engineers decode the next frontier 3NIEHS awards Recovery Act funds to focus more research on health and safety of nanomaterials 2NIEHS awards Recovery Act funds to focus more research on health and safety of nanomaterials 3NIEHS awards Recovery Act funds to focus more research on health and safety of nanomaterials 4
(Date:8/27/2014)... Research and Markets  has announced ... (Biodegradable Polymer, Food & Beverage, Personal Care & ... report to their offering. Lactic ... asymmetrical carbon atom. The main applications of lactic ... beverage, personal care product, and pharmaceutical industries. ...
(Date:8/27/2014)... , Aug. 27, 2014 Guggenheim Securities, the ... today announced the hiring of veteran equity analyst Charles ... analyst. Mr. Butler will focus on the biotech/biopharma sector. ... a wealth of experience and a broad network of ... Senior Managing Director and Head of Equities at Guggenheim ...
(Date:8/27/2014)... , Aug. 27, 2014 Research ... "Global Stable Isotope Ratio Mass Spectrometer Industry Report 2014" ... Global Stable Isotope Ratio Mass Spectrometer Industry Report 2014 ... state of the global isotope ratio mass spectrometer industry. ... the industry including definitions, classifications, applications and industry chain ...
(Date:8/27/2014)... (PRWEB) August 27, 2014 BIOEQUA, an ... through the use of a handheld spray, has made ... United States. , The brand began with an ... researchers were surprised to learn that the application of ... extremely small and delivered directly to skin's basal layer. ...
Breaking Biology Technology:Global Lactic Acid (Biodegradable Polymer, Food & Beverage, Personal Care & Pharmaceutical) Market - Trends & Forecasts to 2019 2Guggenheim Securities Hires Analyst Charles "Tony" Butler to Expand Healthcare Coverage 2Global Stable Isotope Ratio Mass Spectrometer Industry Report 2014 2BIOEQUA'S EQUA ESSENTIAL Product Line Redefines Skin Care & Now Available in America 2
... Isolation Kit , Catalog #732-6370 , ... Cell Lysis , 1. Vigorously add ... (or other tube rated for high speed) containing 500 l body fluid , ... whole blood). , 2. Vortex for 5 sec to mix thoroughly. , ...
... , Patrick M. Gaffney, Elizabeth A. Orbacz, and Ziniu Yu, ... University of Delaware, Lewes, Delaware., , ... DNA polymorphisms are useful tools for ecological and evolutionary ... with applications ranging from , species identification to ...
... Amutan and David Batey, Ph.D., , ... Real-time quantification was performed for lambda and ... DyNAzyme II DNA polymerase*,was used for amplification, and SYBR Green I fluorescent dye ... was tested for ranges,of 100 to 1x10 8 initial copies of lambda ...
Cached Biology Technology:Total RNA Isolation From 500 l Body Fluid 2Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 2Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 3Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 4Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 5Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 6Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 7Using the DCode System to Identify DNA Sequence Variation for Studies of Population Structure in Marine Organisms 8Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 2Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 3Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 4Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 5Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 6Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 7Real-Time Quantification of Genomic DNA Using DyNAzyme II DNA Polymerase and SYBR Green I Dye 8
... interface. All the functionality of the micro1401 ... memory and more available channels of waveform ... an option for programmable front-end gain. Can ... 48 waveform inputs and from 4 to ...
... reagent is used to inhibit ... fluorescence microscopy. The unique formulation ... wide variety of fixed specimens ... rhodamine, sulforhodamine 101, coumarin, DAPI, ...
Anti-Conjugated Quinaldic Acid...
... and 96 well plates. microCLEAN is an extremely ... half spin DNA cleanup reagent. It can be ... of double stranded DNA, efficiently removing reaction buffers, ... unlabelled). It is therefore ideally suited to clean ...
Biology Products: