Modular automated bottom-up proteomic sample preparation for high-throughput applications
Abstract
Manual proteomic sample preparation methods limit sample throughput and often lead to poor data quality when thousands of samples must be analyzed. Automated liquid handler systems are increasingly used to overcome these issues for many of the sample preparation steps. Here, we detail a step-by-step protocol to prepare samples for bottom-up proteomic analysis for Gram-negative bacterial and fungal cells. The full modular protocol consists of three optimized protocols to: (A) lyse Gram-negative bacteria and fungal cells; (B) quantify the amount of protein extracted; and (C) normalize the amount of protein and set up tryptic digestion. These protocols have been developed to facilitate rapid, low variance sample preparation of hundreds of samples, be easily implemented on widely-available Beckman-Coulter Biomek automated liquid handlers, and allow flexibility for future protocol development. By using this workflow 50 micrograms of protein from 96 samples can be prepared for tryptic digestion in under an hour. We validate these protocols by analyzing 47 Pseudomonas putida and Rhodosporidium toruloides samples and show that this modular workflow provides robust, reproducible proteomic samples for high-throughput applications. The expected results from these protocols are 94 peptide samples from Gram-negative bacterial and fungal cells prepared for bottom-up quantitative proteomic analysis without themore »
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1846504
- Alternate Identifier(s):
- OSTI ID: 1891281
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- PLoS ONE
- Additional Journal Information:
- Journal Name: PLoS ONE Journal Volume: 17 Journal Issue: 2; Journal ID: ISSN 1932-6203
- Publisher:
- Public Library of Science (PLoS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; automation; sample preparation; proteomics; protein quantification; biomek; Lowry assay; cell lysis; normalization
Citation Formats
Chen, Yan, Kaplan Lease, Nurgul, Gin, Jennifer W., Ogorzalek, Tadeusz L., Adams, Paul D., Hillson, Nathan J., Petzold, Christopher J., and Koomen, ed., John Matthew. Modular automated bottom-up proteomic sample preparation for high-throughput applications. United States: N. p., 2022.
Web. doi:10.1371/journal.pone.0264467.
Chen, Yan, Kaplan Lease, Nurgul, Gin, Jennifer W., Ogorzalek, Tadeusz L., Adams, Paul D., Hillson, Nathan J., Petzold, Christopher J., & Koomen, ed., John Matthew. Modular automated bottom-up proteomic sample preparation for high-throughput applications. United States. https://doi.org/10.1371/journal.pone.0264467
Chen, Yan, Kaplan Lease, Nurgul, Gin, Jennifer W., Ogorzalek, Tadeusz L., Adams, Paul D., Hillson, Nathan J., Petzold, Christopher J., and Koomen, ed., John Matthew. Fri .
"Modular automated bottom-up proteomic sample preparation for high-throughput applications". United States. https://doi.org/10.1371/journal.pone.0264467.
@article{osti_1846504,
title = {Modular automated bottom-up proteomic sample preparation for high-throughput applications},
author = {Chen, Yan and Kaplan Lease, Nurgul and Gin, Jennifer W. and Ogorzalek, Tadeusz L. and Adams, Paul D. and Hillson, Nathan J. and Petzold, Christopher J. and Koomen, ed., John Matthew},
abstractNote = {Manual proteomic sample preparation methods limit sample throughput and often lead to poor data quality when thousands of samples must be analyzed. Automated liquid handler systems are increasingly used to overcome these issues for many of the sample preparation steps. Here, we detail a step-by-step protocol to prepare samples for bottom-up proteomic analysis for Gram-negative bacterial and fungal cells. The full modular protocol consists of three optimized protocols to: (A) lyse Gram-negative bacteria and fungal cells; (B) quantify the amount of protein extracted; and (C) normalize the amount of protein and set up tryptic digestion. These protocols have been developed to facilitate rapid, low variance sample preparation of hundreds of samples, be easily implemented on widely-available Beckman-Coulter Biomek automated liquid handlers, and allow flexibility for future protocol development. By using this workflow 50 micrograms of protein from 96 samples can be prepared for tryptic digestion in under an hour. We validate these protocols by analyzing 47 Pseudomonas putida and Rhodosporidium toruloides samples and show that this modular workflow provides robust, reproducible proteomic samples for high-throughput applications. The expected results from these protocols are 94 peptide samples from Gram-negative bacterial and fungal cells prepared for bottom-up quantitative proteomic analysis without the need for desalting column cleanup and with protein relative quantity variance (CV%) below 15%.},
doi = {10.1371/journal.pone.0264467},
journal = {PLoS ONE},
number = 2,
volume = 17,
place = {United States},
year = {Fri Feb 25 00:00:00 EST 2022},
month = {Fri Feb 25 00:00:00 EST 2022}
}
https://doi.org/10.1371/journal.pone.0264467
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