rSalvador
rSalvador computes mutation rates from Luria-Delbrück fluctuation assay data and provides analysis that corrects for partial plating, integrates mutants' relative fitness, estimates required sample sizes, and addresses parameter nonidentifiability for bacterial mutation studies.
Key Features:
- Comprehensive data analysis: Accounts for partial plating effects when analyzing fluctuation assay results to improve accuracy of mutation rate estimates.
- Incorporation of mutants' relative fitness: Integrates mutants' relative fitness into mutation rate calculations to reflect fitness-dependent effects.
- Mutation rate comparison methods: Implements methods specifically applicable to fluctuation assay data for valid comparisons of mutation rates.
- Sample size estimation: Estimates the necessary sample size for fluctuation assay experiments to support experimental design and power considerations.
- Addressing parameter nonidentifiability: Provides strategies to manage parameter nonidentifiability inherent in fluctuation assay analyses.
Scientific Applications:
- Bacterial mutation rate estimation: Estimating mutation rates from Luria-Delbrück fluctuation assay data.
- Mutational dynamics analysis: Investigating mutational dynamics in bacterial populations analyzed by fluctuation assays.
- Assessing fitness landscapes: Assessing mutants' relative fitness and its impact on observed mutation frequencies.
- Experimental design for fluctuation assays: Informing sample-size planning and study design for fluctuation assay experiments.
Methodology:
Implements analysis routines that correct for partial plating, integrate mutants' relative fitness into mutation rate estimation, apply fluctuation-assay-specific methods for mutation-rate comparisons, estimate required sample sizes, and apply strategies to address parameter nonidentifiability.
Topics
Details
- Tool Type:
- library
- Operating Systems:
- Linux, Mac
- Programming Languages:
- R
- Added:
- 7/19/2018
- Last Updated:
- 12/10/2018
Operations
Data Inputs & Outputs
Modelling and simulation
Inputs
Publications
Zheng Q. rSalvador: An R Package for the Fluctuation Experiment. G3 Genes|Genomes|Genetics. 2017;7(12):3849-3856. doi:10.1534/g3.117.300120. PMID:29084818. PMCID:PMC5714482.