FAMetA0.1.7 package

Fatty Acid Metabolic Analysis

dataElong

data list for elongation analysis.

dataSynth

data list for synthesis analysis.

desaturationAnalysis

Desaturation analysis of fatty acids.

elongationAnalysis

Elongation analysis of fatty acids longer than 16 carbons.

elongationqmult

calculate FA isotope distribution for elongated FAs using the quasi mu...

estimatePars

Fit FA isotope distribution with non-linear regression using multiple ...

estimateSynthesis

estimate synthesis parameters.

externalNormalization

External normalization using additional measures (i.e. protein levels)...

fitSSE

Fit FA isotope distribution with non-linear regression and calculate t...

getFormula

Get formula and neutral mass for annotated compounds

getResultsTable

Obtain the final results table from synthesis, elongation and desatura...

getSummaryTable

Obtain a summary results table.

gridElong

generate starting points grid for elongation analysis.

gridSynth

generate starting points grid for synthesis analysis.

heatmapResults

Plot results on a heatmap.

msbatch2fadata

Extract FA data from an annotated msbatch.

mzMatch

mz match withing a vector of mz values

normalizeIS

Data normalization using internal stardards.

plotDistributions

Plot observed and predicted isotope distributions.

plotFA

Plot FA EICs

plotResults

Plot observed and predicted isotope distributions from the results obt...

readfadatafile

read FA data from a csv file.

removeFA

Remove incorrect FA annotations

addFA

Add missing FA annotations

annotateFA

FA annotation

blankSubstraction

substract blank samples.

changeFArt

Modify rt peak limits of annotated FAs

checkparameters

check S and E steps based on isotopologue distribution.

combAcetate

acetate combinations for M+0, M+1 and M+2.

correctNatAb13C

correct data for natural abundance of 13C using accucor algorithm.

curateFAannotations

Modify FA annotations

dataCorrection

Data correction for natural abundance of 13C and data normalization us...

runElongationAnalysis

run the elongation analysis.

runSynthesisAnalysis

run synthesis analysis.

searchFAisotopes

Search FA isotopes

searchIS

Search internal stardards.

summarizeResults

Obtain result tables and heatmaps that help interpreting your results.

synthesisAnalysis

De novo synthesis analysis of fatty acids until 16 carbons.

synthesisqmult

calculate FA isotope distribution for newly synthesized FAs using the ...

Fatty acid metabolic analysis aimed to the estimation of FA import (I), de novo synthesis (S), fractional contribution of the 13C-tracers (D0, D1, D2), elongation (E) and desaturation (Des) based on mass isotopologue data.

  • Maintainer: Maribel Alcoriza-Balaguer
  • License: GPL (>= 2)
  • Last published: 2025-07-29