Rubber Biosynthesis Focus

A pathway-centered entry for MVA/MEP, IPP/DMAPP, prenyl donors, CPT/CPTL, REF/SRPP, latex/root-associated and terpenoid candidate genes.

This topic is built from precomputed GFF/GO/KEGG/homology candidate sets and linked evidence from expression, proteome, localization, Pfam, Swiss-Prot, PPI, coexpression and TFBS modules. Results are candidate evidence, not experimental validation.

The current database contains 5523 candidate records, 4979 candidate genes, and 8 pathway steps; the main display is centered on the TK1151 reference while OH-1004/LXL04 remains queryable and linked.

Cross-species Research Reference

1 reference genes are counted separately from rubber-dandelion candidates. They are literature, omics, or sequence resources from Para rubber tree, guayule, a related dandelion, and Eucommia; external function or homology is not direct validation in rubber dandelion.

1. Choose a speciesClick a species card or use the filter to focus on one reference species and material context.
2. Read the evidence typeRead the evidence and boundary column: direct experiments, omics associations, and sequence resources have different interpretation ranges.
3. Verify the sourceEach DOI, article, or public database entry is clickable; download the current filter for further comparison.
Eucommia records are a trans-polyisoprene comparator only and are excluded from natural cis-rubber candidate and pathway-card counts.
Species and materialReference gene / sequence IDPathway stepEvidence and boundarySource
Hardy rubber treeEucommia ulmoidestrans-1,4-polyisopreneTransgenic rootsEuIPIAB041629.2IDIPrenyl-donor metabolismTrans-polyisoprene precursor-supply referenceA_direct_genetic_experiment
EuIPI overexpression was associated with higher trans-polyisoprene accumulation.
Trans-polyisoprene comparator only; excluded from natural cis-rubber candidate conclusions.
10.1186/1472-6750-12-78Overexpression of EuIPI increases trans-polyisoprene accumulation

Hardy rubber tree · EuIPI

Sequence IDAB041629.2
StepPrenyl-donor metabolism · IDI
EvidenceEuIPI overexpression was associated with higher trans-polyisoprene accumulation.
BoundaryTrans-polyisoprene comparator only; excluded from natural cis-rubber candidate conclusions.

Pathway Navigation And Candidate Distribution

377 MVA/MEP and isoprenoid
Click to filter · High 204 · Medium 86 · Low 87
4466 Latex/root related candidates
Click to filter · High 231 · Medium 1284 · Low 2951
300 Rubber biosynthesis
Click to filter · High 1 · Medium 287 · Low 12
380 Terpenoid metabolism
Click to filter · High 72 · Medium 107 · Low 201

Candidate Genes

380 candidates match the current filter; 10 are shown per page (page 22 of 38). TSV exports up to 2000 rows under the current filters. Use pathway nodes or summary cards to filter, then inspect Gene Card and linked modules for evidence details.

Gene IDPathway/stepConfidenceEvidence layersLocationKey evidenceActions
LXL04_007243
TK1151: -
OH-1004: LXL04_007243
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104800.1:40904088-40904702
+
go:0016114 terpenoid biosynthetic process biological_process
TkA02G042650
TK1151: TkA02G042650;TkA02G538000;TkA06G081170
OH-1004: LXL04_007462
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:49157504-49158817
-
go:0016116 carotenoid metabolic process biological_process
TkA03G387730
TK1151: TkA03G387730;TkA04G393520;TkA05G333210;TkA08G155340
OH-1004: LXL04_008299
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:96072201-96076828
+
go:1904629 response to diterpene biological_process
TkAUNG034440
TK1151: TkAUNG034440;TkA03G362820
OH-1004: LXL04_008530
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104800.1:101900779-101908001
-
go:0046865 terpenoid transport biological_process
LXL04_008709
TK1151: -
OH-1004: LXL04_008709
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104800.1:106593800-106596752
+
go:0016116 carotenoid metabolic process biological_process
TkA03G329140
TK1151: TkA03G329140
OH-1004: LXL04_008822
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:109744573-109750028
+
go:1904629 response to diterpene biological_process
LXL04_009133
TK1151: -
OH-1004: LXL04_009133
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:118487840-118489318
+
go:0016117 carotenoid biosynthetic process biological_process
TkA03G447270
TK1151: TkA03G447270
OH-1004: LXL04_009548
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:128773433-128775944
-
go:0051484 isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway involved in terpenoid biosynthetic process biological_process
TkA03G451170
TK1151: TkA03G451170
OH-1004: LXL04_009610
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104800.1:129648212-129650281
-
go:1904630 cellular response to diterpene biological_process
TkA03G471970
TK1151: TkA03G471970
OH-1004: LXL04_009792
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104800.1:133466301-133468285
+
go:0016104 triterpenoid biosynthetic process biological_process

LXL04_007243

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104800.1:40904088-40904702 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkA02G042650

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA02G042650;TkA02G538000;TkA06G081170
LocationCM104800.1:49157504-49158817 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016116 carotenoid metabolic process biological_process

TkA03G387730

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA03G387730;TkA04G393520;TkA05G333210;TkA08G155340
LocationCM104800.1:96072201-96076828 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904629 response to diterpene biological_process

TkAUNG034440

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkAUNG034440;TkA03G362820
LocationCM104800.1:101900779-101908001 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0046865 terpenoid transport biological_process

LXL04_008709

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104800.1:106593800-106596752 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016116 carotenoid metabolic process biological_process

TkA03G329140

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA03G329140
LocationCM104800.1:109744573-109750028 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904629 response to diterpene biological_process

LXL04_009133

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104800.1:118487840-118489318 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016117 carotenoid biosynthetic process biological_process

TkA03G447270

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA03G447270
LocationCM104800.1:128773433-128775944 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0051484 isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway involved in terpenoid biosynthetic process biological_process

TkA03G451170

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA03G451170
LocationCM104800.1:129648212-129650281 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:1904630 cellular response to diterpene biological_process

TkA03G471970

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA03G471970
LocationCM104800.1:133466301-133468285 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016104 triterpenoid biosynthetic process biological_process

Evidence Boundary

Current results integrate annotation, GO/KEGG, homology, predicted localization, domains, expression/proteome and network evidence. High/Medium/Low indicates evidence density and consistency, not experimental validation.