When to use PERMANOVA vs Kruskall Wallace?

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I see 2 random bands in my ERK/pERK blot? Has anyone else seen this?

I ran a western blot using 12% gel and probing for ERK/pERK (cell signaling antibodies). The green is total ERK, the Red is supposed to be phospho-ERK. I see 2 bands below the total ERK that...

22 February 2021 1,777 3 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

SDS-Gel stacking gel polymerization issues?

Can anyone provide any insight as to why my Tris/Gly SDS-Gels are polymerizing slowly? This especially applies to my stacking gel (image attached) both 4% and 6%. The stacking gel wells polymerize...

24 January 2021 3,791 4 View

Will rat colon cancer cells (DHD/K12) derived from BDIX rats grow in Sprague Dawley ?

we plan to induce colon cancer by injection. Cell lines derive from BDIX rats, but our experimental setting would favour SD rats. any experience?

23 January 2021 1,437 2 View

I am interested in sequencing small RNAs in bacteria but enriching for small, weakly expressed transcripts seems to be a challenge. Any ideas?

Assays for bacterial small RNA sequencing

06 January 2021 4,549 2 View

What is the white layer on my fermented natto bean paste?

Dear all, Good day! Recently i tried to ferment my blended soya bean powder mixed with Natto bacteria culture in a Natto maker (containing some water) at around 45 degree celsius overnight....

23 November 2020 7,105 20 View

How do I extract mice brains for multiple experiments?

I am looking to complete western blot experiments and IHC experiments on the same cohort of mice. Is it possible to Harvest the mouse and use the right hemisphere for IHC and the left for western...

08 September 2020 5,436 3 View

Best way to add streptavidin onto flat surface?

I will be adding streptavidin onto the surface of a graphene coated glass slide; thereafter, I will be analyzing with a MALDI-TOF. I was wondering the best way to go about this? I was thinking of...

07 September 2020 5,902 4 View

Why the need to have CIE formula when color difference can be measured with RGB values?

Dear all, Recently i have been trying to measure colour difference between my samples. I am a little confused as to why i cannot just use the basic colours - i.e., red, green and blue to measure...

02 August 2020 7,375 2 View

Does anyone know of an Antibody against against Mouse Microglia trf2 that is good for Immunofluorescence and Westernblot?

Hi, I am studying the knockdown of Trf2 protein in Murine microglia cells invitro and wish to demonstrate this knockdown via immunofluorescence and Western blot. A dependable Trf2 antibody and...

02 June 2020 8,682 3 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

Would you please recommend a function in R software that could be used with FUNGuild output to merge different rows that have similar guilds?

Dear colleagues, I have an output of FUNGuild tool (ASVs abundance in different samples and assigned to guilds) and would like to merge the ASVs that had similar ecological guilds using R...

16 February 2021 4,292 7 View

How can I use Permanova to analyze individual variation with RNA seq transcripts and multiway Anova design?

I have a dataset with 96 individuals and 1496 transcripts of interest. I have analyzed the experiment by multiway ANOVA in the Permanova platform of Primer-E. I am satisfied that I have figured...

13 February 2021 7,217 4 View

I am looking to develop a basic oral microbiome assay. Can anyone advise on culture vessel, conditions and organisms that require minimal maintenance?

I am looking to investigate oral care products with an easy-to-prepare culture of orally derrived microorganisms.

21 January 2021 3,448 1 View

Does use of hand sanitizer negatively impact the skin microbiome?

Hello, Most hand sanitizers contain 60-80% alcohol. Alcohol destroys organisms including bacteria, fungi, protists, and enveloped viruses by breaking down the plasma membrane. In recent...

16 January 2021 6,923 11 View

Fish gut microbiota extraction and identification protocol?

Hi, I need a protocol to extract and identify microbiota from fish gut. Any suggestions? Thank you. (P.s. Something low tech as I am technologically limited, guess no funds and big high tech...

01 January 2021 808 1 View

Are two text files obtained separately from qiime 2 can be used together to make diversity graphs?

I have two sets of 16s microbiome sequencing data. The animal model, facility, diet vendor are the same in both sets. The only change is in the treatment. For analysis, can I use both the...

29 December 2020 6,976 3 View

How to correlate bacteria community data with volatile profiles and with fly community data using ordination techniques?

Carrion Ecology: What is the best way the statistically analyse the correlation of bacteria community data to volatile profiles and to fly community data across 3 time points using ordination...

24 November 2020 5,831 3 View

Why don't I have any DNA yields using Ultra-Deep Microbiome Prep?

Hello! I'm using Ultra-Deep Microbiome Prep kit for the isolation of DNA from mice skin biopsies. I was doing it yesterday for the first time and I didn't achieve to any DNA yields. So I would...

19 November 2020 5,501 1 View

Should I use ANOSIM or PERMANOVA to analyses community differences within an estuary?

Hello, I am trying to decide on the best approach for statistical analyses of my data. I have never done this before and was wanting a second opinion. I am studying the impacts of nitrogen...

28 October 2020 9,978 9 View