Navigation Links
Antibiotic-eating bug unearthed in soil
Date:12/6/2012

repeatedly dosed, versus fresh soils where antibiotics were never applied.

They did this experiment, Topp explains, because of previous work indicating that pesticides often break down more quickly in soils with a long history of exposure, indicating that pesticide-degrading microbes have been selected for over time.

Still, it came as a surprise when they saw antibiotics also degrading much faster in long-term, treated plots than in fresh, control soils, he says. In particular, sulfamethazinea member of the antibiotic class called sulfonamidesdisappeared up to five times faster.

The researchers subsequently cultured from the treated plots a new strain of Microbacterium, an actinomycete that uses sulfamethazine as a nitrogen and carbon source. Extremely common in soil, actinomycete bacteria are known to degrade a wide range of organic compounds. And now at least two other sulfanomide-degrading Microbacterium strains have been reported, Topp says: one from soil and another from a sewage treatment plant.

Taken together, the findings suggest that the capability to break down sulfanomides could be widespread. And if it's indeed true that "the microbiology in the environment is learning to break these drugs down more rapidly when exposed to them, this would effectively reduce the amount of time that the environment is exposed to these drugs and therefore possibly attenuate the impacts," Topp says.

Not that negative impacts aren't still occurring, he cautions. In particular, long-term exposure to antibiotics puts significant pressure on soil bacteria to evolve resistance, which they typically do by giving and receiving genes that let them detoxify drugs, or keep the compounds out of their cells.

What the new research suggests, though, is that soil bacteria could be swapping genes for breaking down antibiotics at the same time.

"My guess is that's probably what's happening, but it remains to be det
'/>"/>

Contact: Madeline Fisher
mfisher@sciencesocieties.org
608-268-3973
American Society of Agronomy
Source:Eurekalert

Page: 1 2 3

Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/6/2015)... CITY, Calif. , Aug. 6, 2015 /PRNewswire/ ... Valley) will visit Crossmatch ™ to learn ... networks and protect data. Crossmatch is a world ... whose technologies and expertise are helping federal agencies ... efficiency and security.   "The vast ...
(Date:8/5/2015)... 5, 2015 According to a ... Market by Software, Services, Vertical (BFSI, Airport, IT & Telecom, ... Global Forecast to 2020", published by MarketsandMarkets, defines and ... into various segments. The global PIAM Market is estimated ... Million by 2019, at a CAGR of 14.9 % ...
(Date:8/4/2015)... 2015 Research ... the addition of the "Digital Forensics ... Sub-Segment (Computer Forensics, Network Forensics, Mobile Device ... Vertical and Region - Global Forecast to ... By Component (Hardware, Software, and Service), ...
Breaking Biology News(10 mins):Rep. Honda to Visit Crossmatch in Redwood City 2Physical Identity and Access Management Market Worth $546.2 Million by 2019 2Physical Identity and Access Management Market Worth $546.2 Million by 2019 3Physical Identity and Access Management Market Worth $546.2 Million by 2019 4Digital Forensics Market - The Market Represents a Compound Annual Growth Rate (CAGR) of 11.3% From 2015 to 2020 2
... Phifer of her vision two decades ago when she was ... of her eyes to soothe their damaged surfaces by remaining ... to help her do many of the activities people with ... several life milestones later, Elma is able to see again, ...
... who suffer from acute asthma attacks share a genetic ... according to a new study by researchers at Cincinnati ... to the possibility of designing treatments specifically tailored to ... , The findings appear in the Feb. 10 issue ...
... wrench in the transmissions of several speed demons of the ... St. Louis and Harvard University have identified a protein that ... invasion by malaria and other parasites known as apicomplexans. , ... issue of Proceedings of the National Academy of Sciences. Scientists ...
Cached Biology News:Artifical cornea lets woman blind 20 years see 2Artifical cornea lets woman blind 20 years see 3Artifical cornea lets woman blind 20 years see 4Asthma gene clusters identified 2Asthma gene clusters identified 3Protein offers way to stop microscopic parasites in their tracks 2Protein offers way to stop microscopic parasites in their tracks 3
(Date:9/1/2015)... ... September 01, 2015 , ... Knowledgent , the data and analytics ... advanced analytics utilizing data lakes in the healthcare industry. , As the Internet of ... of data over the last few years as more entities become technology enabled through ...
(Date:9/1/2015)... ... 2015 , ... Industry leader iLab Solutions recently announced Gerard ... position, Gibbs will lead iLab’s business operations in the region, with an emphasis ... not only introducing iLab to potential partners but support and management of accounts ...
(Date:9/1/2015)... CA (PRWEB) , ... September 01, 2015 , ... ... and colleagues from University of California Los Angeles, Boston University School of Medicine, ... Prevention appears in PLOS One, the world’s first multidisciplinary Open Access journal. ...
(Date:9/1/2015)... Shire plc (LSE: SHP, NASDAQ: SHPG ) announces ... of Directors as a Non-Executive Director. Sara will also be ... the Shire Board. Both appointments will be effective as of ... President and Chief Executive Officer of Dun & Bradstreet, Inc. ... D&B, she helped drive the transformation of the company from ...
Breaking Biology Technology:New White Paper Explores Data Lake Opportunities in the Healthcare Industry 2iLab Solutions Hires Gerard Gibbs, Director of Business Development, Asia Pacific 2iLab Solutions Hires Gerard Gibbs, Director of Business Development, Asia Pacific 3Synedgen’s Director for Pharmaceutical Manufacturing Publishes New Research 2Synedgen’s Director for Pharmaceutical Manufacturing Publishes New Research 3Shire Appoints Sara Mathew to Board of Directors 2
... Pharmaceuticals, Inc. today announced that the Company,s product candidate, ... two Phase 2 clinical trials for retinitis pigmentosa ... causes the progressive degeneration of rod & cone photoreceptor ... and peripheral vision and eventually leads to blindness. RP ...
... released its syndicated report TreatmentTrends ... annual survey of U.S. Dermatologists (n=150). The report, based ... shifting trends in the management of psoriasis and psoriatic arthritis. ... and severe patients with an emphasis on the evolving use ...
... LYONS, France, May 28 Poxel is a ... Serono a division of,Merck KGaA, Germany, following the ... diabetes research and development. It aims to advance ... on Type 2,diabetes) from Research to Phase 2 ...
Cached Biology Technology:Results From Neurotech's NT-501 Phase 2 Retinitis Pigmentosa Studies Demonstrate Consistent Biological Effect on Photoreceptors 2Results From Neurotech's NT-501 Phase 2 Retinitis Pigmentosa Studies Demonstrate Consistent Biological Effect on Photoreceptors 3Results From Neurotech's NT-501 Phase 2 Retinitis Pigmentosa Studies Demonstrate Consistent Biological Effect on Photoreceptors 4Results From Neurotech's NT-501 Phase 2 Retinitis Pigmentosa Studies Demonstrate Consistent Biological Effect on Photoreceptors 5Raptiva Withdrawal Offers Upside for Enbrel and Humira According to Latest BioTrends Survey of U.S. Dermatologists 2Poxel SAS Set up to Find Innovative Solutions for Metabolic Diseases Management 2
... sets a new standard for high performance ... new design in instrumentation, this easy-to-use benchtop ... The BD FACSAria instrument is the first ... flow cell. This new flow cell ...
Mouse monoclonal antibody raised against a partial recombinant COG2. NCBI Entrez Gene ID = COG2...
Mouse polyclonal antibody raised against a partial recombinant IFNA13. NCBI Entrez Gene ID = 3447...
Mouse monoclonal antibody raised against a full length recombinant LDB3. NCBI Entrez Gene ID = LDB3...
Biology Products: