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Table 4 Metabolites uniquely detected in iRBC cultures and present at all the time points

From: Metabolic alterations in the erythrocyte during blood-stage development of the malaria parasite

Metabolite

FCIDC (SD)a

Pathway

Mass (amu)d

Amino acid metabolism

   

Putrescine

4.87 (0.83)

Polyamine

89.1

N4-acetylspermidine

2.15 (0.20)

Polyamine

188.2

Cofactor and vitamin metabolism

   

Nicotinate ribonucleoside

4.73 (0.67)

Nicotinate and Nicotinamide

256.1

Nicotinate adenine dinucleotide

1.68 (0.16)

Nicotinate and Nicotinamide

663.1

Lipid metabolism

   

1-stearoyl-GPG (18:0)

4.69 (0.81)

Lysophospholipid

511.3

1-palmitoyl-GPG (16:0)b

3.51 (0.50)

Lysophospholipid

483.3

Inositol 1-phosphate

2.58 (0.23)

Inositol

259.0

1-oleoyl-GPI (18:1)b

2.46 (0.27)

Lysophospholipid

597.3

Stearoyl-arachidonoyl-glycerol (18:0/20:4)b,c

1.68 (0.11)

Diacylglycerol

662.6

Palmitoyl-linolenoyl-glycerol (16:0/18:3)b

1.59 (0.20)

Diacylglycerol

608.5

1-arachidonoyl-GPI (20:4)b

1.51 (0.12)

Lysophospholipid

619.3

1-oleoyl-GPS (18:1)

1.49 (0.19)

Lysophospholipid

522.3

Nucleotide metabolism

   

Thymidine

3.35 (0.48)

Pyrimidine

241.1

2′-O-methylcytidine

3.25 (0.47)

Pyrimidine

258.1

Guanosine

2.45 (0.41)

Purine

284.1

Pseudouridine

1.55 (0.18)

Pyrimidine

245.1

Uridine 5′-diphosphate

1.42 (0.20)

Pyrimidine

403.0

5-methyluridine

1.29 (0.19)

Pyrimidine

257.1

Peptide

   

Histidylalanine

1.11 (0.11)

Dipeptide

227.1

  1. amu atomic mass unit, GPG glycerophosphoglycerol, GPI glycerophosphoinositol, GPS glycerophosphoserine, SD standard deviation
  2. aFold-change (FCIDC) values based on average abundance of a metabolite during the IDC in iRBC relative to the uRBC cultures
  3. bMetabolite identified based on m/z ratio alone with no external standard for validation
  4. cm/z ratio appeared twice in the same platform, as it is a structural isomer of another compound in the METABOLON© spectral library
  5. dValues provided by METABOLON©