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

2000 candidates match the current filter; 10 are shown per page (page 1 of 200). 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
TkA03G462260
TK1151: TkA03G462260
OH-1004: LXL04_009683
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 38
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:131179279-131183781
+
GO:0006720
LXL04_016664
TK1151: -
OH-1004: LXL04_016664
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 38
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:130385702-130391884
+
GO:0006720
TkA06G134330
TK1151: TkA06G134330
OH-1004: LXL04_024531
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 36
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104803.1:93159005-93160081
-
GO:0006720
TkA06G097970
TK1151: TkA06G097970
OH-1004: LXL04_024888
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 36
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104803.1:101545925-101547031
+
GO:0006720
TkA07G403060
TK1151: TkA07G403060
OH-1004: LXL04_030439
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 36
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:116024808-116025848
-
GO:0006720
LXL04_032929
TK1151: -
OH-1004: LXL04_032929
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 36
FunctionGOExpressionLocalizationSwiss-Prot CM104805.1:31835394-31835726
-
GO:0006720
LXL04_039196
TK1151: -
OH-1004: LXL04_039196
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 36
FunctionGOExpressionLocalizationSwiss-Prot CM104807.1:62056370-62056955
-
GO:0008299
TkA02G159610
TK1151: TkA02G159610;TkA02G159720
OH-1004: LXL04_016299
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 30
FunctionGOExpressionLocalizationSwiss-ProtCoexpression CM104801.1:117805721-117806576
+
GO:0008299
TkA03G325630
TK1151: TkA03G325630
OH-1004: LXL04_007509
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 26
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:51008832-51011179
+
GO:0006720
TkA01G191830
TK1151: TkA01G191830
OH-1004: LXL04_004171
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 22
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104799.1:127302658-127304505
+
go:0004311 geranylgeranyl diphosphate synthase activity molecular_function

TkA03G462260

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 38
Source IDTkA03G462260
LocationCM104800.1:131179279-131183781 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

LXL04_016664

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 38
Source ID-
LocationCM104801.1:130385702-130391884 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

TkA06G134330

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 36
Source IDTkA06G134330
LocationCM104803.1:93159005-93160081 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

TkA06G097970

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 36
Source IDTkA06G097970
LocationCM104803.1:101545925-101547031 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

TkA07G403060

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 36
Source IDTkA07G403060
LocationCM104804.1:116024808-116025848 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

LXL04_032929

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 36
Source ID-
LocationCM104805.1:31835394-31835726 -
EvidenceFunctionGOExpressionLocalizationSwiss-Prot
Key evidenceGO:0006720

LXL04_039196

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 36
Source ID-
LocationCM104807.1:62056370-62056955 -
EvidenceFunctionGOExpressionLocalizationSwiss-Prot
Key evidenceGO:0008299

TkA02G159610

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 30
Source IDTkA02G159610;TkA02G159720
LocationCM104801.1:117805721-117806576 +
EvidenceFunctionGOExpressionLocalizationSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA03G325630

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 26
Source IDTkA03G325630
LocationCM104800.1:51008832-51011179 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

TkA01G191830

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 22
Source IDTkA01G191830
LocationCM104799.1:127302658-127304505 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0004311 geranylgeranyl diphosphate synthase activity molecular_function

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.