Friday, December 30, 2011

Saturday, December 24, 2011

Article: Giant Microbes Christmas Ornament Sets


Giant Microbes Christmas Ornament Sets - GeekAlerts

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Thursday, December 22, 2011

Article: E. coli 0157:H7 Infections possibly tied to romaine lettuce


E. coli 0157:H7 Infections possibly tied to romaine lettuce - Examiner

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Article: FDA Issues New Safety Rules for Beef


FDA Issues New Safety Rules for Beef - WebMD

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Wednesday, December 21, 2011

Monday, December 19, 2011

Article: Beautiful, but deadly to salmonella


Beautiful, but deadly to salmonella - PhysOrg

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Saturday, December 17, 2011

Friday, December 16, 2011

Monday, December 12, 2011

Article: E. coli outbreak in raw cookie dough explained


E. coli outbreak in raw cookie dough explained - Examiner

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Article: Cilantro Recall in Indiana


Cilantro Recall in Indiana - NBC Chicago

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Article: How Salmonella forms evil twins to evade the body's defenses


How Salmonella forms evil twins to evade the body's defenses - PhysOrg

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Sunday, December 11, 2011

Saturday, December 10, 2011

Friday, November 25, 2011

Article: The raw milk revolution


The raw milk revolution - The Guardian

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Article: Cause of antibiotic-resistance found


Cause of antibiotic-resistance found - Examiner

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Tuesday, November 22, 2011

Monday, November 7, 2011

Article: Health warning: Pine nuts may contain salmonella bacteria


Health warning: Pine nuts may contain salmonella bacteria - BayToday.ca

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First On Site

Health warning: Pine nuts may contain salmonella bacteria
By Kate Adams
BayToday.ca
Saturday, November 05, 2011

Canadian Food Inspection Agency
News Release 

*********************

OTTAWA - The Canadian Food Inspection Agency (CFIA) and David Roberts Food Corporation are warning the public not to consume certain David Roberts brand and Sysco brand pine nuts, described below, because the products may be contaminated with Salmonella.

The following pine nuts products are affected by this alert:

Sysco Plastic bag 1.5 kg 00734730026268 Lot 1323 

David Roberts Plastic tubs 90 g 0 67261 24656 1 Lot 1323
Best Before Aug 17, 2012 

David Roberts * Plastic bags 1.5 kg None Lot 1323 

None* Plastic tubs Variable
90-100 g None Pack date: AU 17, 2011 

* Sold only at David Roberts Food Corporation retail store: 426 Watline Avenue, Mississauga, ON.

These products have been distributed to food service accounts in Ontario and sold at the David Roberts Food Corporation retail store located at 426 Watline Avenue, Mississauga, ON.

There have been no reported illnesses associated with the consumption of these products.

Food contaminated with Salmonella may not look or smell spoiled. Consumption of food contaminated with this bacteria may cause salmonellosis, a foodborne illness. In young children, the elderly and people with weakened immune systems, salmonellosis may cause serious and sometimes deadly infections. In otherwise healthy people, salmonellosis may cause short-term symptoms such as high fever, severe headache, vomiting, nausea, abdominal pain and diarrhea. Long-term complications may include severe arthritis.

The importer, David Roberts Food Corporation, Mississauga, ON, is voluntarily recalling the affected products from the marketplace. The CFIA is monitoring the effectiveness of the recall.

For more information, consumers and industry can call one of the following numbers:

David Roberts Food Corporation at 905-502-7700;

CFIA at 1-800-442-2342 / TTY 1-800-465-7735 (8:00 a.m. to 8:00 p.m. Eastern time, Monday to Friday).

For information on Salmonella, visit the Food Facts web page at: http://www.inspection.gc.ca/english/fssa/concen/cause/salmonellae.shtml

For information on all food recalls, visit the CFIA�s Food Recall Report at: http://active.inspection.gc.ca/eng/corp/recarapp_dbe.asp.

To find out more about receiving recalls by e-mail, and other food safety facts, visit: www.foodsafety.gc.ca. Food and consumer product recalls are also available at http://www.healthycanadians.gc.ca.

*********************

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Article: Number of confirmed St. Louis area E. coli cases rises to 27


Number of confirmed St. Louis area E. coli cases rises to 27 - STLtoday

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Thursday, November 3, 2011

Are Gut Bacteria In Charge? - Discovery News

http://news.discovery.com/human/gut-bacteria-obesity-111026.html

The bacteria in our gut may be controlling our lives more than we ever realized.

In the latest findings, published today in Nature, researchers report a link between gut bacteria and the development of multiple sclerosis in mice. Studies in mice have also examined gut bacteria in relation to obesity, depression and much more.

More human studies are emerging hinting at the role the bacteria in our guts may play well beyond helping us to digest our food.

NEWS: Is Obesity A Disease?

"What has been observed in humans with regard to obesity is that there seems to be a difference in the number of kinds of bacteria in the gut," said Rob Knight of the University of Colorado, Boulder. "That number is much lower in obese people than in healthy people."

Researchers have also seen differences in bacteria between mice bred to be obese versus those of normal weight. In one experiment, researchers found that an obese mouse's gut microbes extracted more of the calories from a given parcel of food than did those of non-obese mice.

This caused the obese mice to gain more body fat than the non-obese mice did.

But even stranger, in a type of mouse with a different mutation that leads to obesity, transferring gut microbes from the obese mice into other mice led the non-obese mice to eat more.

"They're not any better at extracting energy from the food. They're just hungrier apparently," Knight said. "There are more microbial cells in your body than there are brain cells. They may be outvoting you when it comes time to order (at the restaurant)."

If gut microbes can tell mouse brains to eat more, could they have other effects on the brain? Researchers are finding that the answer is yes.

"We're now starting to see direct impacts of the gut microbial community on host behavior," Knight said.

Experiments have shown that mice with no gut microbes show differences in how much they move and in their anxiety-like behavior than mice with normal gut bacteria. Mice treated with "probiotic" Lactobacillus bacteria showed a different gene expression in the brain, reduced anxiety behavior and stress hormone levels than untreated mice.

The effects may extend to diseases that are seemingly unrelated to the digestive system. In the work published today, researchers studied mice bred to develop a disease similar to multiple sclerosis.

Those raised in an environment with no bacteria never developed symptoms. Once typical gut bacteria were introduced, the mice began to show signs of the disease.

"I think what our study really shows is the importance of the gut microbiota in the initial phase of the disease," said Gurumoorthy Krishnamoorthy of the Max Planck Institute of Immunobiology and Epigenetics in Freiburg, Germany who led the study with colleague Hartmut Wekerle.

Of course, it's impossible for humans to live a microbe-free lifestyle, but the findings suggest the microbial community may play a role in human multiple sclerosis. The team will now look for specific microbes that may be responsible for triggering symptoms.

NEWS: Animals Getting Fatter, Too

If a healthy gut microbial community proves important for different aspects of our health, what could we do to encourage the bacteria that would prevent obesity or disease?

One option might be to take probiotics, eat a particular diet, or minimize antibiotic use, Krishnamoorthy said.

But others are investigating transferring gut bacteria from the other end-through "fecal transplants" from healthy people to those with illness. "The potential is very high, but the actual amount of research is relatively low," Knight said.

In trials of patients with Clostridium difficile infections -- a gut-wrenching intestinal problem -- more than 90 percent of patients have been cured, and their microbial communities restored to normal.

In preliminary work with huge public health implications, a study last year showed improved insulin sensitivity among patients with metabolic syndrome who received stool transfers from lean individuals.

"Then the question is which other conditions are there that could also benefit from stool transplants," Knight said.



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Article: FDA to launch major Salmonella screening of pet foods in 2012


FDA to launch major Salmonella screening of pet foods in 2012 - Examiner

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Article: Recalls & Withdrawals


Recalls & Withdrawals - www.fda.gov

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Article: FDA begins testing pet food products for salmonella


FDA begins testing pet food products for salmonella - Examiner

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ABCNews.com: St. Louis E. Coli Probe Focuses on Grocery Salads

http://abcnews.go.com/US/wireStory/st-louis-coli-probe-focuses-grocery-salads-14861531


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Article: E. coli outbreak in Missouri investigated


E. coli outbreak in Missouri investigated - UPI

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Wednesday, November 2, 2011

Tuesday, November 1, 2011

Monday, October 31, 2011

Sunday, October 30, 2011

Article: US food store recalls pine nuts


US food store recalls pine nuts - Shanghai Daily

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Article: Salmonella Outbreak Forces Recall of Pine Nuts


Salmonella Outbreak Forces Recall of Pine Nuts - ABC News

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Wednesday, October 5, 2011

Friday, September 9, 2011

Saturday, September 3, 2011

Article from Science News: Mind-Altering Bugs...

I thought you might be interested in this article from Science News:

Mind-Altering Bugs

http://news.sciencemag.org/sciencenow/2011/08/mind-altering-bugs.html?ref=wp


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Friday, August 26, 2011

Article: Coriander oil kills harmful bacteria, says study


Coriander oil kills harmful bacteria, says study - Food & Beverage

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Article: Dirtier -- kitchen sink or floor?


Dirtier -- kitchen sink or floor? - CNN

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Tuesday, August 23, 2011

Article: STEC Surveillance: UR DOING IT WRONG?


STEC Surveillance: UR DOING IT WRONG? - Scienceblogs

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Friday, August 19, 2011

Thursday, August 11, 2011

Article: E. Coli Found In Strawberries At Oregon Farm


E. Coli Found In Strawberries At Oregon Farm - NewsOXY

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Sunday, August 7, 2011

Article: Turkey recall raises U.S. food safety questions


Turkey recall raises U.S. food safety questions - Reuters

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Wednesday, August 3, 2011

Article: Many public taps fail water quality test


Many public taps fail water quality test - The Local

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Tuesday, July 12, 2011

Monday, July 11, 2011

Article: E.Coli and your health


E.Coli and your health - Examiner

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Sunday, July 10, 2011

Article: Strangest Passengers in NASA History


Strangest Passengers in NASA History - US From Newser

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Saturday, July 9, 2011

Friday, July 8, 2011

Article: China dogged by ongoing food safety breaches


China dogged by ongoing food safety breaches - Food Magazine

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Tuesday, July 5, 2011

Article: E. coli bacteria ehec traced to Sweden


E. coli bacteria ehec traced to Sweden - Stockholm News

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Saturday, July 2, 2011

Wednesday, June 29, 2011

Article: Decoding Genomes Of Microbe Ecosystems Could Deliver Untold Benefits


Decoding Genomes Of Microbe Ecosystems Could Deliver Untold Benefits - Fast Company

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Article from Science News: Mutated Bacteria Drives Scarle...

I thought you might be interested in this article from Science News:

Mutated Bacteria Drives Scarlet Fever Outbreak

http://news.sciencemag.org/scienceinsider/2011/06/mutated-bacteria-drives-scarlet.html?ref=wp


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Article: Alfalfa Sprouts Salmonella Risk Warning Issued By FDA


Alfalfa Sprouts Salmonella Risk Warning Issued By FDA - Medical News Today

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Article: Understanding the E. coli outbreak part four


Understanding the E. coli outbreak part four - Examiner

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Monday, June 27, 2011

Saturday, June 25, 2011

Article: Science's 10 hottest fields


Science's 10 hottest fields - Financial Times

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Article: Will budget cuts spell the end for "Team D"?


Will budget cuts spell the end for "Team D"? - Consumer Reports

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Article: France halt sales of 3 seed types linked to British vendor after E. coli outbreak


France halt sales of 3 seed types linked to British vendor after E. coli outbreak - The Washington Post

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International Activities > Foreign Food Inspection Program Questions and Answers

FDA list of high risk food.


http://www.fda.gov/Food/InternationalActivities/ucm211823.htm#q2


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Article: Sickening Shopping Carts


Sickening Shopping Carts - Glamchic

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Article: E. coli: Some Answers, Many Questions Still


E. coli: Some Answers, Many Questions Still - Wired

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Article: MiSeq Aims for Ion Torrent


MiSeq Aims for Ion Torrent - Omics! Omics!

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Friday, June 24, 2011

The Tree of Life: Fun with Ligercat: pubmed word clouds

http://phylogenomics.blogspot.com/2011/06/fun-with-ligercat-pubmed-word-clouds.html


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Article: Gangrenous Bowel Shows Deadly Risk of German Bug, Study Says


Gangrenous Bowel Shows Deadly Risk of German Bug, Study Says - Business Week

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From Foodborne Pathogen Team Kwan Lab CUHK--German outbreak strains: Alignment-free whole-genome phylogeny suggested that EAEC 55989 is a close relative but not a direct parent


German outbreak strains: Alignment-free whole-genome phylogeny suggested that EAEC 55989 is a close relative but not a direct parent


Introduction:
Accuracy of SNP-based whole-genome phylogeny reconstruction relies heavily on quality of sequence alignment which is particularly hindered by poorly assembled genomes. Alignment-free methods might provide additional insights. Here, we constructed a whole-genome phylogeny of 9 outbreak isolates against existing E. coli genomes using the alignment-free feature frequency profile (FFP) method (Sims et al. 2009).

Datasets:
1. Genome sequences of 30 E. coli isolates from NCBI, and
2. Genome sequences of 9 outbreak isolates, TY2482 from BGI, LB226692 from Life Technologies, 5 isolates from HPA, and 2 isolates from Göttingen.

Method:
1. Genome sequences were converted into an RY (purine/pyrimidine)-coded form.
2. Overlapping features, l-mers of length 24, were counted over each of the whole genomes.
3. Forward and reverse complement features were considered equivalent.
4. Only core features which were present in all 39 isolates were extracted.
5. Features occurring more than 3 times in any of the isolates were removed.
6. Simple cumulative distances were calculated among all feature states in an unordered manner.
7. A neighbor-joining tree was plotted with the resulting distance matrix using MEGA5.

For details, please refer to Sims & Kim (2011).

Results:
The following is the phylogenetic tree produced using the current alignment-free method. Outbreak isolates were highlighted in red.

Our tree generally agrees with that reported by Konrad Paszkiewicz & Kat Holt built using a SNP-based approach, both revealing a high similarity among the outbreak isolates and 55989 being the most closely related isolate sequenced thus far. However, we should note that the genetic difference between 55989 and the outbreak isolates in our FFP tree is greater than that in the tree built based on SNPs. 

Linear phylogenetic inference of bacteria might be problematic due to horizontally transferred elements. While Kat Holt tried to remove obviously horizontally transferred DNA by removing SNP calls in genes annotated with keywords like "phage" and "transposase", we removed features likely to be associated with mobile or repetitive DNA by filtering out features with high frequencies and used an unordered character state model to reduce the effect of lateral transfer signal. Both methods seem to work well.

Concluding remarks:
To sum up, using an alignment-free phylogenetic approach, we further confirm 55989 being the most closely related isolate to the outbreak isolates sequenced thus far, again showing an EAEC-origin of the outbreak isolates. However, the genetic difference suggested that 55989 is not a direct parent of the outbreak isolates.

References:
Sims GE, Jun S-R, Wu GA, Kim S-H (2009) Alignment-free genome comparison with feature frequency profiles (FFP) and optimal resolutions. PNAS 106:2677-2682.

Sims GE, Kim S-H (2011) Whole-genome phylogeny of Escherichia coli/Shigella group by feature frequency profiles (FFPs). PNAS 108:8329-8334.

Prepared by Simon CHEUNG, Wenyan NONG,  Lei LI & H.S. KWAN

Eurosurveillance editorial on E. coli outbreak credits crowdsourcing « bacpathgenomics

Eurosurveillance editorial on E. coli outbreak credits crowdsourcing « bacpathgenomics



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Article: Hog roast salmonella investigated


Hog roast salmonella investigated - BBC

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WHO/Europe | EHEC outbreak: Update 22

http://www.euro.who.int/en/what-we-do/health-topics/emergencies/international-health-regulations/news/news/2011/06/ehec-outbreak-update-22

Table copied from WHO report linked above:

"
The table shows the reported cases of and deaths from HUS and EHEC infection as of 22 June at 15:00 CET.
Country HUS EHEC Comments
 Cases Deaths  Cases  Deaths  
Austria 1  0 3 0  
Canada  0 0  1  0  
Czech Republic 0  0 1  0 A tourist from the United States who had travelled in Germany
Denmark 9 0 13  0  
France 0 0 2 0
Germany  823  29  2865 13  
Greece 0  0  1 0 A German tourist
Luxembourg 1  0 1 0  
Netherlands 4  0 5 0  
Norway 0 0 1 0 Contact with a German in Norway
Poland 2 0 1  0  
Spain 1  0 1 0  
Sweden 17 1 33 0  
Switzerland 0 0 5 0  
United Kingdom 3 0 3 0
United States of America  3 0  2 0 3 HUS cases (all confirmed) and 2 EHEC cases (one confirmed and one suspected)
 Total  864  30  2938  13  
Note. There are 3802 HUS and EHEC cases in total, including 43 fatalities.




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CIDRAP >> German E coli outbreak kills 3 more, reaches 3,800 cases

http://www.cidrap.umn.edu/cidrap/content/fs/food-disease/news/jun2311ehec.html


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Thursday, June 23, 2011

Article: Salmonella 'superbug' threat from intensive pig farms


Salmonella 'superbug' threat from intensive pig farms - Food & Beverage

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Article: Deadly New Salmonella Strain Can Spread from Hogs to Humans


Deadly New Salmonella Strain Can Spread from Hogs to Humans - Treehugger

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Article: New device promises quick testing for food-borne pathogens


New device promises quick testing for food-borne pathogens - Channel NewsAsia

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Article: E. coli's sticky secret revealed in medical journal


E. coli's sticky secret revealed in medical journal - Smh.au

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Article: Mutated scarlet fever kills second child in Hong Kong


Mutated scarlet fever kills second child in Hong Kong - San Jose Mercury News

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Article: Scarlet-fever scare


Scarlet-fever scare - MarketWatch

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Article: Unusual Traits Blended in Germany E. Coli Strain - NYTimes.com


Unusual Traits Blended in Germany E. Coli Strain - NYTimes.com - www.nytimes.com

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Wednesday, June 22, 2011

Article: Hemolytic uremic syndrome (HUS) in history--part 3


Hemolytic uremic syndrome (HUS) in history--part 3 - Aetiology

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Article: A New Way to Combat Antibiotic-Resistant Bacteria


A New Way to Combat Antibiotic-Resistant Bacteria - FOX News

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Article: Cornell researchers tackle containment of E. coli


Cornell researchers tackle containment of E. coli - Ithaca Journal

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Article: Omics! Omics!: E.coli Outbreak Genomics


Omics! Omics!: E.coli Outbreak Genomics - omicsomics.blogspot.com

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Article: Nature News Blog: The German E. coli outbreak: 40 lives and hours of crowdsourced sequence analysis later


German E. coli Crowdsourcing is reported in Nature News Blog.

Nature News Blog: The German E. coli outbreak: 40 lives and hours of crowdsourced sequence analysis later - blogs.nature.com

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