Find protocols provided by JGI and the JGI user community below for DNA preparation tools, high molecular-weight DNA extraction and RNA preparation.  JGI sample QC protocols can be found here.

DNA Preparation Tools:

JGI Bacterial DNA isolation CTAB-2012
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Isolation of Genomic DNA from Phytophthora
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Isolation of Melampsora Nuclear DNA
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DNA Isolation of Plant Nuclear DNA
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Populus nuclear DNA purification with Qiagen
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DNA extraction from Activated Sludge
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Cloning of High Molecular Weight eDNA (soil)
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RNaseA DNA Cleanup
View as downloadable pdf
eDNA purification (removal of humics)
View as downloadable pdf
High Molecular Weight DNA Extraction from Soil
View as downloadable pdf
1000 Fungal Genomes protocols
Learn more online with 1KFG
High Molecular Weight DNA extraction protocols from PacBio
Learn more online with PacBio

Tips for High Molecular Weight DNA extraction:

DNA Extraction 101

Tips, kits and protocols 

Learn more online with PacBio
Sample Collection & Storage Guidance
Learn more online with PacBio

RNA preparation protocols:

DNase Treatment of Total RNA
View as downloadable pdf
RNA Isolation from LCM samples
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Chlamydomonas large-scale RNA extraction
View as downloadable pdf

iTag protocols:

Amplification QC
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iTag library construction
View as downloadable pdf