PRJ002AiptasiaMM Knockdown Sampling Protocol

Objective

PRJ002 aims to reduce the microbiome of Exaiptasia pallida. We tested and compared 2 antibiotic solutions plus a control population. This post serves to establish the sampling protocol used across all our sampling timepoints following the initial Start point. See T0 Notes

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PRJ002AiptasiaMM Experimental start notes and T0 data

Objective: Experimental Setup of microbial Knockdown project.

Broader Context

This project will monitor the success of microbial knockdown under two seperate Antibiotic solutions being treated fro 7 days, and will also monitor the duration for which the microbiome stays reduced. Initial sample priming will involve the reduction of the microbiome through keeping the organisms in Seawater filtered with a .22 micron filtered, and feeding with Artemia that have had their microbiome knocked down through the use of antibiotics.

Parameters to be monitored throughout this experiment:

  • CFU counts
  • microbial knockdown through 16s PCR
  • growth rate through change in wet weight
  • pedal laceration rate
  • morphological changes through photo monitoring; Note the last three parameters will be monitored in individuals kept in 6 well plates for the duration of the experiment; all other individuals will be kept in 12 well plates

    Protocol

    Initial priming: individuals will be kept in 12 well plates for 1 month, in Artificial seawater which has been filtered through a 0.22 micron filter (FSW) and fed twice weekly with Artemia treated with ABS 1 ( see entry on antibiotic preparations)

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Antibiotic Solution preparation for PRJ002-Aiptasia-MM

Objective: Experimental Setup of microbial Knockdown project.

Broader Context

This project will monitor the success of microbial knockdown under two seperate Antibiotic solutions being treated fro 7 days, and will also monitor the duration for which the microbiome stays reduced. Initial sample priming will involve the reduction of the microbiome through keeping the organisms in Seawater filtered with a .22 micron filtered, and feeding with Artemia that have had their microbiome knocked down through the use of antibiotics.

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Sediment Extraction Chemical Protocol Optimization Round 3

Objective: This is the third round of experimentation on this project with the goal of further improving the method of extraction on marine sediments with high humic contents. first round data can be found in the post from Sept. 14th

Broader Context

The samples used here were part of the initial sample collection from the scouting trip to Bodega bay in late july. successful optimization of this protocol will allow us to simultaneously collect DNA and RNA from a single sample to be used in multiple downstream analyses such as simultaneous metagenomics and metabolomics

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Sediment Extraction Chemical Protocol Optimization Round 2

Objective: This is the second round of experimentation on this project with the goal of further improving the method of extraction on marine sediments with high humic contents. first round data can be found in the post from Sept. 14th

Broader Context

The samples used here were part of the initial sample collection from the scouting trip to Bodega bay in late july. successful optimization of this protocol will allow us to simultaneously collect DNA and RNA from a single sample to be used in multiple downstream analyses such as simultaneous metagenomics and metabolomics

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Sediment Extraction Kit Protocol Optimization

Objective:

This is the first use of the ZymoBiomics DNA/RNA Prep minikit. We are hoping this kit will prove to be a more efficient alternative for Sediment extractions that we can use for metagenomic analyses and metabolomics. the purpose of this experiment was to test the protocol per the manufacturers instructions on our marine sediment samples collected in Bodega Bay

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Sediment Extraction Chemical Protocol Optimization

Objective: The objective of this experiment is to optimize an extraction protocol for marine seagrass associated sediment microbial communities. This is a 2 day (September 13th and 14th) process part of a larger multi-day experiment which will work to adjust this protocol to maximize Nucleic acid output. It is adapted from Lever et. al 2015.

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Geting Started

Objective: The purpose of this entry is to set precedent for what I’d like my Notebook to look like going forward and to create a means of organization that is clear and easy to follow.

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