A subdivision of microbiology dedicated to the study of bacteria.

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Is iodised salt harmful to the lactofermentation process?

I was discussing sauerkraut recipes with someone on IRC a minute ago, and they warned me not to use iodised salt in the process. My first (and so far, the only successful) batch is one I made with ...
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377 views

What is a good Microbiology atlas for Bacteriology as online version?

I am looking for a online atlas for Bacteriology, the cost does not matter. I have been searching SpringerLink, and Amazon but no good online version found. What is a good atlas for Bacteriology as a ...
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26 views

Can I use yogurt to prevent the growth of black mold?

I have a mold problem in my bathroom. There is a narrow groove between the top of my tub and the wall it is attached to where a black gunk repeatedly grows. I can shoot the material out with a spray ...
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21 views

How to characterise a protein family in a putative genome island?

We have sequenced the genome of 200 bacterial strains belonging to the same species, a swine bacterial pathogen. In a previous work, it was observed that a protein family of adhesins is present in ...
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Can different strains of Rhizobium share an infection thread or symbiosome?

Rhizobium infection can be triggered at root hairs of legumes, creating infection threads. Can these infections threads be colonized by more than one type of Rhizobium (e.g. Fixing and non-fixing)? ...
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Effect of flask position in shaking incubator affects growth kinetics

During some cultivation experiments for my bachelor thesis I noticed that in liquid culture my bacteria (E. coli) grew differently, according to the position in the shaking incubator. Because the ...
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Differential Scanning Calorimetry for bacterial membranes

I would like to study the freezing and melting of bacterial membranes and would like to use Differential Scanning Calorimetry (DSC) to obtain the glass transition temperature of the membrane. However, ...
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37 views

Improving throughput of CFU plating?

In a separate question I've described my general experimental setup where I need to measure the number of live cells in a growing bacterial culture in a fairly rapid and high-throughput manner. In ...
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60 views

Are all single-celled organisms Bacteria?

I read that "Bacteria are one-celled organisms that can multiply by division", are all one-celled organisms bacteria or are there any more narrow definitions?
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64 views

What is the nature of plasmids? [closed]

What are the plasmids composed of? Are they composed of genomic or non-genomic DNA? I guess the answer is "genomic DNA" but I'm not sure.
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17 views

Heterocyst function in cyanobacteria and its localization

1.What is the function of heterocyst? 2.Where it is present? A heterocyst I think may be a protecting organ in cells!
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53 views

Why is it that bacteria and fungi cannot develop resistance against essential oils?

I wonder why bacteria and fungi cannot develop resistance and mutate agains essential oils? For example, some fungi get killed by oregano oil. Being not a biologist, I hope my question is not so ...
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46 views

What is the maximum amount of different bacteria in the drinking water in Europe?

I am looking for a statistical amounts which are allowed. Some students say it is 0 for all bacteria, which I think is false. I found this USA source. I found there Total Coliforms (including fecal ...
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34 views

Is it possible for bacteria to acquire family-wide antibiotic resistance?

If there is bacteria, lets say Enterococci that is sensitive to: Amoxycillin-Clavulinic acid Ampicillin-Sulbactam Ofloxacin Ciprofloxacin Is it possible to ...
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21 views

How to get conservation of vaccine candidates between hundreds of bacterial strains?

We have identified vaccine candidates via an ex-vivo RNA-seq approach. Next step would be to perform conservation of these candidates (about 20) between multiple bacterial strains (about 200). I would ...
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111 views

How might one determine if bacteria are nitrogen fixing or not?

If you had an isolate bacteria sample how would you determine if they were nitrogen fixing?
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113 views

Does E. coli survive at any pH level?

Does E. coli survive at any pH level? If I was to incubate it in agar of different pH, would it still form a bacterial lawn as it's called?
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61 views

How long does it take for commercial fertilizers to break down? [closed]

Sometimes we buy carrots that are abit bitter, it's the taste of fertilzer. Once i put a tomato in the fridge, and when i ate it, it was bitter like shweppes, and i figured that was fertilizer also. ...
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26 views

How is bacterial plasma membrane made?

Eukaryotes have ER which manufactures plasma membrane of cells. How is prokaryotic plasma membrane made ? What is the pathway and which enzymes are involved ?
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Property of E.coli harboring F element

From Genetics by Ursula Goodenough E.coli harboring an F element are endowed with a number of phenotypic traits : 1.They are sensitive to infection by ssRNA phages and certain ssDNA phages. ...
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500 views

What are artifacts in microbiology?

What kind of objects can be qualified as artifacts? How do we distinguish such objects?
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When are carbon acquisition transporters up-regulated? [on hold]

When are carbon transporters up-regulated in bacteria? Depends on the internal/external nutrient concentrations ratios?
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20 views

Bacterial metabolism during growth phases [on hold]

I would like to know what are the main metabolic differences between the bacterial growth phases. References are appreciated. Thanks!
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30 views

Does Pseudomonas aeruginosa have any common name at all?

Pseudomonas aeruginosa is the fifth most written about¹ binomial name of all species. I'm having trouble coming to terms with the possibility that such a well researched and studied organism has never ...
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727 views

I don't wash my hands and never get sick. Any theories? [closed]

I have only been sick a few times in my life(I'm 21 and probably 3-4 times) and even when I am sick I don't feel that bad and I am over it within a day or two. My family has always given me slack for ...
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186 views

Gene transfer between Gram positive and Gram negative bacteria?

How does transfer of genetic material occur between Gram positive and Gram negative bacteria?
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How can I create Over Expression of protein plasmid [closed]

Lets say I want to create a plasmid that when I will put it on a bacteria it will create a lot of a protein called Green Fluorescent Protein(for instance) and will make it glow. So first of all I ...