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Dictionary » S » Strains

Strains

strain

A tearing injury to muscle. Usually causes some degree of bleeding within the muscle tissue (haematoma).


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Identifying Positive and Negative Controls

A scientist is testing some bread for two strains of bacteria. He is going to use a sensor that will not react to the B strain of the bacteria, but will change from red to purple if strain A is present. What are the positive and negative controls? ...

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by captaindustbunny
Thu Oct 10, 2013 4:03 pm
 
Forum: General Discussion
Topic: Identifying Positive and Negative Controls
Replies: 0
Views: 321

Re: Gene deletion

Thanks for your relpy! Maybe I wasn't clear enought but I want to delete genes in my drug-multiresistants strains without changing the rest of the bacterial strain... The drug resistancy is naturally found in both plasmid and chromosome. Anyway, I am curious to know how does ...

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by clefg
Thu Sep 05, 2013 2:42 pm
 
Forum: Molecular Biology
Topic: Gene deletion
Replies: 5
Views: 1448

Gene deletion

Why they use in Denmark with Aspergillus fungy is to use heterotrophic strains and they never need any antibiotics. Much cleaner way. And they can remove the selection gene after it is not required anymore. Of course creation of such heterotrophic strain would ...

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by JackBean
Thu Sep 05, 2013 11:37 am
 
Forum: Molecular Biology
Topic: Gene deletion
Replies: 5
Views: 1448

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, ...

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by clefg
Wed Sep 04, 2013 3:56 am
 
Forum: Molecular Biology
Topic: Gene deletion
Replies: 5
Views: 1448

I feel like this should be simple!! Help!

Hi, So my PI has given me the task of comparing all the genes in two different strains of Streptococcus pneumoniae (Taiwan 19F and TIGR4) For example, he has created a similar list for TIGR4 and D39 matching all the homologous genes (SP_0001 is homologous to SPD_0045, ...

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by smc8339
Wed Jul 17, 2013 6:38 pm
 
Forum: Bioinformatics
Topic: I feel like this should be simple!! Help!
Replies: 2
Views: 1150
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