Featured Research

from universities, journals, and other organizations

Good news on using recycled sewage treatment plant water for irrigating crops

Date:
June 13, 2012
Source:
American Chemical Society
Summary:
A new study eases concerns that irrigating crops with water released from sewage treatment plants -- an increasingly common practice in arid areas of the world -- fosters emergence of the antibiotic-resistant bacteria that cause thousands of serious infections each year.

A new study eases concerns that irrigating crops with water released from sewage treatment plants -- an increasingly common practice in arid areas of the world -- fosters emergence of the antibiotic-resistant bacteria that cause thousands of serious infections each year. The research appears in ACS' journal Environmental Science & Technology.

Related Articles


Eddie Cytryn and colleagues explain that a large fraction of antibiotics given to people or animals pass out of the body unchanged in the urine and are transferred via sewage systems to wastewater treatment facilities. These facilities do not completely remove common antibiotics like tetracycline, erythromycin, sulfonamide and ciprofloxacin and may actually enhance the abundance of antibiotic-resistant bacteria and antibiotic-resistance genes.

Previous studies have suggested that wastewater effluents can expand natural reservoirs of antibiotic resistance, which may contribute to clinically associated antibiotic resistance. Arid and semi-arid areas of the world are plagued by severe water shortages, which are expected to increase as a result of growing population and global climate change. As a result, more areas are turning to treated wastewater (TWW) to irrigate croplands. In Israel, for instance, TWW provides more than half of the water used for irrigation. The researchers wanted to find out if long-term irrigation with treated wastewater enhances antibiotic resistance in soil microbial communities, which could potentially be transferred through agricultural produce to clinically relevant bacteria.

The authors found that levels of antibiotic-resistant bacteria and genes for antibiotic resistance in fields and orchards irrigated with freshwater and TWW were essentially identical, suggesting that antibiotic-resistant bacteria that enter soil by irrigation are not able to survive or compete in that environment. The authors say there is "cause for cautious optimism" that irrigating with TWW is not increasing the prevalence of bacteria resistant to the antibiotics they studied.

The authors acknowledge funding from the Israeli Ministry of Agriculture and Rural Development and the Environmental Health Fund.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Yael Negreanu, Zohar Pasternak, Edouard Jurkevitch, Eddie Cytryn. Impact of Treated Wastewater Irrigation on Antibiotic Resistance in Agricultural Soils. Environmental Science & Technology, 2012; 46 (9): 4800 DOI: 10.1021/es204665b

Cite This Page:

American Chemical Society. "Good news on using recycled sewage treatment plant water for irrigating crops." ScienceDaily. ScienceDaily, 13 June 2012. <www.sciencedaily.com/releases/2012/06/120613133243.htm>.
American Chemical Society. (2012, June 13). Good news on using recycled sewage treatment plant water for irrigating crops. ScienceDaily. Retrieved April 1, 2015 from www.sciencedaily.com/releases/2012/06/120613133243.htm
American Chemical Society. "Good news on using recycled sewage treatment plant water for irrigating crops." ScienceDaily. www.sciencedaily.com/releases/2012/06/120613133243.htm (accessed April 1, 2015).

Share This


More From ScienceDaily



More Earth & Climate News

Wednesday, April 1, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Voice-Controlled GPS Helmet to Help Bikers

Voice-Controlled GPS Helmet to Help Bikers

Reuters - Innovations Video Online (Apr. 1, 2015) Motorcyclists will no longer have to rely on maps or GPS systems, both of which require riders to take their eyes off the road, once a new Russian smart helmet goes on sale this summer. Jim Drury reports. Video provided by Reuters
Powered by NewsLook.com
Kashmir Mops Up After Heavy Flooding

Kashmir Mops Up After Heavy Flooding

AFP (Apr. 1, 2015) The clean-up operation is in full swing in Indian Kashmir after heavy rain triggered flooding around the mountainous region. Duration: 00:41 Video provided by AFP
Powered by NewsLook.com
Brush Fire Threatens California Buildings

Brush Fire Threatens California Buildings

Reuters - US Online Video (Mar. 31, 2015) A brush fire with zero containment burns in Apple Valley California, threatening over 100 structures and forcing the evacuation of local residents. Jillian Kitchener reports. Video provided by Reuters
Powered by NewsLook.com
Raw: Homes Threatened by Washington Landslide

Raw: Homes Threatened by Washington Landslide

AP (Mar. 31, 2015) The city of Des Moines, Washington says it could be weeks before a landslide that damaged several homes settles, according to KOMO. (March 31) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins