Dictionary » P » Pathogenic



(Science: pathology) Capable of causing disease.

Origin: Gr. Gennan = to produce Able to cause disease; infective agents; pathogenic bacteria.Pertaining to properties similar to a [[pathogen.

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Gene deletion

Hi! I have bacterial strains (E. coli) that are drug-multiresistant and pathogenic. I would like to delete some genes in those strains using the "One step inactivation of chromosomal genes" (Datsenko and Wanner, 2000). However, I can hardly select ...

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by clefg
Wed Sep 04, 2013 3:56 am
Forum: Molecular Biology
Topic: Gene deletion
Replies: 5
Views: 2428

Re: growing bacteria in petri dishes

... and from where you have isolated the organisms. Normally as Mr Moderator said you should try to maintain the temperature of 37C for the growth of pathogenic bacteria. Some microorganisms does grow at high temperatures and some even at cold temperatures. So ideally try to maintain it at 37C. How ...

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by greatmicrobiologist
Sun Mar 10, 2013 2:30 pm
Forum: Microbiology
Topic: growing bacteria in petri dishes
Replies: 8
Views: 26169

Characteristics of Good Indicator Organisms?

As far as i know, Indicator organisms are itself non-pathogenic. It should be greater in number as compared to Pathogens (in fecal sample) so that you could easily determine whether your water sample is fecal contaminated or not. To detect either water ...

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by choozi
Sun Oct 28, 2012 6:38 pm
Forum: Microbiology
Topic: Characteristics of Good Indicator Organisms?
Replies: 2
Views: 4072

Characteristics of Good Indicator Organisms?

... total population. I've tried researching, but most websites discuss why indicator organisms should be present in high concentrations (relative to pathogenic bacteria). Why do they need to be present in such low numbers? Is it related to sensitivity? Thanks so much in advance.

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by Entropy
Sun Oct 28, 2012 5:53 pm
Forum: Microbiology
Topic: Characteristics of Good Indicator Organisms?
Replies: 2
Views: 4072

Re: Theories - Origin of Life

... in 2009. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2684669/ entitled The role of natural environments in the evolution of resistance traits in pathogenic bacteria This is how the abstract begins Antibiotics are among the most valuable compounds used for fighting human diseases. Unfortunately, ...

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by scottie
Thu Sep 20, 2012 4:13 pm
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929092
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