About Careers MedBlog Contact us

Boffins Devise Improved Mechanism To Detect Food Borne Pathogens

by Tanya Thomas on July 6, 2009 at 10:08 AM
Font : A-A+

 Boffins Devise Improved Mechanism To Detect Food Borne Pathogens

Scientists have come up with a new and improved method for detection of food-borne pathogens.

Dr. Edmund Ting, Senior VP of South Easton, MA-based Pressure BioSciences, Inc., believes that improvements in food safety depend on the rapid and accurate detection of food-borne pathogens, both in pre-release quality control testing and in post-outbreak investigations.


Such detection depends to a great extent on the quality of the extraction of the DNA, RNA, and proteins ("biomolecules") from the pathogens contaminating the food.

Ting has been researching the effects of high hydrostatic pressure on pathogens that contaminate the food supply.

"Current extraction methods rely principally on heat, electrical charge, sonication, homogenation, and chemical partitioning, all of which can alter and sometimes even destroy sensitive and important biomolecules (such as proteins), or fail to liberate them from complex biological structures," he said.

"Consequently, it may be difficult to find the contaminating pathogen if the sample preparation method cannot reproducibly and effectively extract or identify the pathogen's biomolecules from the food sample prior to testing," he added.

Pressure cycling technology (PCT) employs cycles of hydrostatic pressure between ambient and ultra-high levels (up to 35,000 psi and greater) to safely, reproducibly, and efficiently release DNA, RNA, and proteins from food, plant, and biological samples within minutes, allowing for more rapid and accurate downstream testing.

At present, PCT technology is being used by approximately seventy-five laboratories around the world, mostly in the areas of biomarker discovery (to detect markers for cancer, stroke, neurological disease, etc.), soil and plant biology (to detect pathogens harmful to food crops, such as wheat and strawberries), forensics (mostly in the detection of DNA), human disease (to detect microbes that live on or in the human body), and counter-bioterror applications.

Source: ANI


Recommended Reading

Latest General Health News

More Than 300 People on Texas-Mexico Cruise Ship Fall Sick
Over 300 people had fallen sick with illness caused by Norovirus on a US cruise ship, say authorities.
 No Smoking Day 2023: Ex-smokers in Wakefield Lead the Campaign
Ex-smokers in Wakefield have shared their stories to encourage others to give up cigarettes on No Smoking Day 2023 which falls on 8th March.
New Protein Linked to Neurodegeneration
Total levels of m6A in the nervous system rise with age and that (some) neurodegenerative diseases are characterized by RNA hypermethylation.
How Stress Disrupts Maturation of Brain's Reward Circuits?
New study provides insights into the impact of early-life adversity on brain development and on control of reward behaviors that underlie emotional disorders
 Indonesia Partners With FIND for Diagnostic Testing Access Initiative
Ministry of Health of the Republic of Indonesia signed a formal memorandum of understanding (MOU) that will expand access to essential diagnostics in the country.
View All
This site uses cookies to deliver our services.By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Use  Ok, Got it. Close

Boffins Devise Improved Mechanism To Detect Food Borne Pathogens Personalised Printable Document (PDF)

Please complete this form and we'll send you a personalised information that is requested

You may use this for your own reference or forward it to your friends.

Please use the information prudently. If you are not a medical doctor please remember to consult your healthcare provider as this information is not a substitute for professional advice.

Name *

Email Address *

Country *

Areas of Interests