Tuesday, March 1, 2011

Got Nematodes in your Garden? Don't feed them our water!

This study tested nematodes (Caenorhabditis elegan) in ultrapure water and in alkaline ionised water. The nematodes were stressed using Paraquat and the performance of the nematodes in antioxidant ability was measured.
Biosci Biotechnol Biochem. 2010 Oct 23;74(10):2011-5. Epub 2010 Oct 7.

Extension of the lifespan of Caenorhabditis elegans by the use of electrolyzed reduced water.

Graduate School of Systems Life Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan.

Abstract

Electrolyzed reduced water (ERW) has attracted much attention because of its therapeutic effects. In the present study, a new culture medium, which we designated Water medium, was developed to elucidate the effects of ERW on the lifespan of Caenorhabditis elegans. Wild-type C. elegans had a significantly shorter lifespan in Water medium than in conventional S medium. However, worms cultured in ERW-Water medium exhibited a significantly extended lifespan (from 11% to 41%) compared with worms cultured in ultrapure water-Water medium. There was no difference between the lifespans of worms cultured in ERW-S medium and ultrapure water-S medium. Nematodes cultured in ultrapure water-Water medium showed significantly higher levels of reactive oxygen species than those cultured in ultrapure water-S medium. Moreover, ERW-Water medium significantly reduced the ROS accumulation induced in the worms by paraquat, suggesting that ERW-Water medium extends the longevity of nematodes at least partly by scavenging ROS.
PMID: 20944427 [PubMed - indexed for MEDLINE]

2 comments:

Anonymous said...

Hi

What is s medium in this case, and what is the difference between water medium and conventional s medium?
Also ERW s medium and ultra pure water s medium?

... What does this S mean and why are the results in this type worse?

Anonymous said...

I do not know if my previous comment ever got through a few days ago when I first tried.
I am wondering what the s-medium is, for both ERW and ultrapure water. Do you perhaps have any idea?

Thanks