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Table 2 QTLs linked to iodine value (IV) and fatty acid composition (FAC) in the OxG interspecific mapping population. QTLs identified using Interval Mapping (IM), the Multiple-QTL Model (MQM), the Kruskal-Wallis non-parametric tests (KW) and G Model (GM)

From: Fine-mapping and cross-validation of QTLs linked to fatty acid composition in multiple independent interspecific crosses of oil palm

Trait IM MQM KW GM
  QTL interval (cM) QTL peak (cM) QTL peak (LOD) Closest marker Var (%) LOD Var (%) K-value p-value Marker effect p-value
IV (GW = LOD4.3)
OT1a 102.3–151.5 149.6 17.4 SNPM04501 60.8 17.6 61.2 51.1 0.0001 2.16 (+) 0.0000000
SNPM00967       2.16 (+) 0.0000000
SNPM00144       2.16 (+) 0.0000000
SNPM01034       2.16 (−) 0.0000000
SNPM00150       2.16 (−) 0.0000000
PA5_oSSRa       2.15 (−) 0.0000000
PA3_oSSRa       2.18 (−) 0.0000000
SNPE00431       2.17 (+) 0.0000000
sPSc00328a       2.15 (+) 0.0000000
C14:0 (GW = LOD3.7)
OT1a 140.7–151.5 149.6 6.2 SNPM04501 48.3 5.7 26.5 24.9 0.0001 0.04 (−) 0.0000000
SNPM00967       0.04 (−) 0.0000000
SNPM00144       0.04 (−) 0.0000000
SNPM01034       0.04 (+) 0.0000000
SNPM00150       0.04 (+) 0.0000000
PA5_oSSRa       0.04 (+) 0.0000000
PA3_oSSRa       0.04 (+) 0.0000000
SNPE00431       0.04 (−) 0.0000000
sPSc00328a       0.04 (−) 0.0000000
T2 61.2–62.1 61.2 4.1 SNPM04068 20.1 4.3 22.9 15.1 0.0005 0.03 (+) 0.0000000
SNPM01906       0.03 (+) 0.0000000
SNPM04410       0.03 (−) 0.0000000
T9 17.2–32.6 17.2 4.5 SNPM00343 21.9 4.0 21.5 17.7 0.0001 0.03 (−) 0.0000000
C16:0 (GW = LOD4.9)
OT1a 102.3–151.5 149.6 21.5 SNPM04501 69.4 22.3 70.2 55.2 0.0001 2.41 (−) 0.0000000
SNPM00967       2.41 (−) 0.0000000
SNPM00144       2.42 (−) 0.0000000
SNPM01034       2.41 (+) 0.0000000
SNPM00150       2.41 (+) 0.0000000
PA5_oSSRa       2.37 (+) 0.0000000
PA3_oSSRa       2.35 (+) 0.0000000
SNPE00431       2.42 (−) 0.0000000
sPSc00328a       2.40 (−) 0.0000000
C16:1 (GW = LOD4.3)
T9 2.9–32.6 22.0 10.7 SNPM00331 44.2 10.7 44.2 36.0 0.0001 0.08 (−) 0.0000000
SNPM00922       0.08 (+) 0.0000000
C18:0 (GW = LOD3.8)
OT1a 140.7–151.5 151.1 6.4 sPSc00314a 30.5 6.8 30.9 22.1 0.0001 0.14 (−) 0.0000001
OT4 158.4–176.5 165.1 4.9 SNPM00121 54.2 4.8 23.5 16.6 0.0001 0.02 (+) 0.0000020
T9 13.4–24.8 22.0 5.0 SNPM00331 23.8 5.0 23.8 19.0 0.0001 0.03 (+) 0.0000003
SNPM00922       0.03 (−) 0.0000005
C18:1 (GW = LOD4.0)
OT1a 112.6–151.5 149.6 16.3 SNPM04501 59.5 16.9 60.1 49.5 0.0001 2.29 (+) 0.0000000
SNPM00967       2.17 (+) 0.0000000
SNPM00144       2.18 (+) 0.0000000
SNPM01034       2.17 (−) 0.0000000
SNPM00150       2.29 (−) 0.0000000
PA5_oSSRa       2.39 (−) 0.0000000
PA3_oSSRa       2.06 (−) 0.0000000
SNPE00431       2.07 (+) 0.0000000
sPSc00328a       2.30 (+) 0.0000000
C18:2 (GW = LOD3.8)
T3 (CW = LOD1.7) 46.9–65.2 63.3 2.1 SNPM00462 10.9 2.3 11.5 8.9 0.0050 0.17 (+) 0.0017218
OT6 (CW = LOD2.7) 38.9–54.5 45.8 3.1 SNPM05061 35.2 3.3 40.2 11.0 0.0010 0.16 (−) 0.0000052
  1. aAfter fine mapping
  2. GW: 95 % Genome-wide significant LOD threshold
  3. CW: 95 % Chromosome-wide significant LOD threshold