Questions tagged [bacteriology]

A subdivision of microbiology dedicated to the study of bacteria.

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Is there a glossary about which infrared (IR) colors which body parts reflect?

I am doing medical research and I'm trying to find parts of the body that look about the same to the human eye, but reflect different "colors" in IR, so that using a light source and a camera of that ...
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What happens to Bacterial Cells stored at 4 degrees?

4C is when water is most dense and is not so low as to cause ice crystal formation. For short term storage bacterial cultures are often simply kept in a fridge at 4C. I guess that this significantly ...
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Thermophilic Total plate count with PCA with Triphenyl tetrazoliumchloride as supplement

Hello I'm am a fourth year microbiology analyst and I'm busy with finishing my final internship. During my final internship I have to complete a own assignment. the assignment I got was to find out if ...
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How reliable is the life cycle information on PhagesDB?

If I'm understanding this correctly, PhagesDB users choose the Cluster/Subcluster during the upload, and the life cycle type is assigned solely based on this data. How reliable is that information? ...
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Could bacteria theoretically evolve to survive in space? What is the maximum altitude in the atmosphere that anaerobic bacteria can survive?

There is no edge to the atmosphere, and therefor I expect there would be a gradual reduction of concentrations of bacteria as we ascend up into space. Logically anaerobic bacteria should be able to ...
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Heat shock vs electroporation

I've been transforming E. coli via heat shock in order to insert oligonucleotides (around 50 nt); however, none of my experiments have given positive results so far. I begin to question the efficiency ...
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How would infection of mosquitos with sterilizing bacteria have any effect?

According to this article from the New York Post, the US just approved the mass release of male mosquitos infected with a bacteria that sterilizes them. The idea, according to the article and some ...
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Role of non-inflammation in H.Pylori positive people

Quoted from Saudi J Gastroenterol. 2009 Jul; 15(3): 201–207 publication : Approximately 50% (over 3 billion) of the world populations are known to be infected with Helicobacter pylori, mainly in ...
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Using Transduction to reverse Antibiotic Resistance?

Is it possible to use reverse transduction to reverse antibiotic resistance. Since antibitiotic resistance is causee by transduction of the F factor, is it possible to induce a F+ non antibiotic ...
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What does it take to start producing(cultivating) probiotics?

Is there a DIY way? Is it possible to make a bacteria strain from scratch based on an existing one ? (for example lactobacillus reuteri).
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what are the ethical considerations when preparing a bacterial culture for testing antibiotic resistance? [closed]

I cannot think of any ethical issues associated with preparing a bacterial culture to test antibiotic resistance. The bacteria I am using is Bacillus Megaterium so its not pathogenic. Thanks in ...
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Are antibiotic-resistant bacteria necessarily less virulent than their original strain?

In the absence of antibiotic treatment, is there a reduction in the average severity of disease caused by resistant strains of pathogenic bacteria compared to wild-type ones? I would assume that ...
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Serological assays measuring antibody response

Given that an appropriate immune response to a bacteria may be thwarted in an individual, including not producing all of the antibodies which are known to occur in people who have been infected, or ...
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Do plant and animal bacterial pathogen differ too much?

I will be involved in a plant disease produced by a bacterial pathogen, Acidovorax citrulli. I've previously worked with animal pathogens such as Haemophilus parasuis. Are there any big differences ...
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Need clarification on a sentence regarding vesicle-mediated translocation

I've chanced upon a passage that is not entirely clear to me: In addition to conjugation, transformation and transduction, other less well recognised mechanisms of DNA uptake occur in nature, while ...
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What's the composition of Actinobacteria's hyphae?

I'd like to know which chemical compounds form hyphae in Actinobacteria. Is it the same structure of the cell wall? Thank you
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How did sneezing evolve?

Did we develop the sneezing mechanism to get rid of pathogens like bacteria and viruses in our nose? Or did pathogens develop a way to make us sneeze to propagate themselves? Or did we develop the ...
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514 views

For how long can animal body cells survive outside the body? [closed]

I'm researching on the topic that if bacteria have souls then animal cells and plant cells also do for an article. 1) Is there a way to make any of the body cells survive outside the body for a ...
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Searching a fructose degrading bacteria [closed]

my question is do you know a fructose degrading bacteria? Wich is straitforward to use and cultivate? Wich shouldn't create excrements, that can't be removed simple.
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596 views

Drug and antibiotic resistance in organism [closed]

Out of gram positive or gram negative or both which one is having a higher resistance to drug or antibiotics? How the organism gains that gene for drug or antibiotics resistance.? Kindly explain it in ...
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Hand-washing resistant bacteria. Will they evolve one day?

I know that soap kills bacteria by dissolving their membrane. But it is not 100% effective. A small portion of bacteria which survive replicates and I have to wash my hands again. Will this cycle ...
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How did Extracellular electron Transport evolve?

According to an on-line article at Smithosonian.com “Some microbes can eat and breath electricity”. This refers partly to the fact that Shewanella use extracellular electron transfer. Does such a ...
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106 views

Theoretical question: Would immune cells that produce blue light be an effective and better alternative to inflammation? [closed]

It's well known that blue light is effective against a wide range of bacteria (type "antibacterial blue light" into Google for starters). This article (https://www.ncbi.nlm.nih.gov/pubmed/23009190) ...
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Selectivity of anti-bacterial affect of oxygen [closed]

As far as I know, oxidizing agents (AKA reactive oxygen species or ROS) are potent antimicrobial agents that act on a broad range of bacteria and viruses, as well as inactivating certain toxins. Is ...
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How long does it take the bacterium nasuia deltocephalinicola to self-replicate? [closed]

At which speed does the Nasuia deltocephalinicola replicate itself given optimal conditions?
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313 views

Why isn't water decompose well like food, although bacteria need water? [closed]

Fruits are decomposed by bacteria well. Although bacteria need water more than other foods, why isn't water decomposed well like food?
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Advocate for the pop-culture idea of withholding vaccination [closed]

While it is widely accepted that vaccination is preferable to not vaccinating, would anyone like to give a shot at providing evidence in favor of not vaccinating? Anything goes.