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

47 candidates match the current filter; 10 are shown per page (page 1 of 5). 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
TkA03G325630
TK1151: TkA03G325630
OH-1004: LXL04_007509
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 26
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:51008832-51011179
+
GO:0006720
TkA02G535660
TK1151: TkA02G535660
OH-1004: LXL04_012842
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 18
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:19628006-19630012
+
GO:0008299
TkA02G448690
TK1151: TkA02G448690
OH-1004: LXL04_014183
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 18
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:43288238-43290024
+
GO:0008299
LXL04_028189
TK1151: -
OH-1004: LXL04_028189
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 18
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:33787973-33788663
-
GO:0008299
LXL04_028191
TK1151: -
OH-1004: LXL04_028191
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 18
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:33794453-33797605
-
GO:0008299
TkA07G129020
TK1151: TkA07G129020;TkA07G129240;TkA07G129470;TkA07G129530
OH-1004: LXL04_028201
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 18
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:34323170-34326130
+
GO:0008299
TkA02G535540
TK1151: TkA02G535540;TkA05G451840
OH-1004: LXL04_022221
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 14
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:146393099-146395586
-
GO:0008299
TkA04G128060
TK1151: TkA04G128060
OH-1004: LXL04_035473
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 14
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104806.1:23243659-23245942
-
GO:0008299
TkA04G336710
TK1151: TkA04G336710;TkA04G336720
OH-1004: LXL04_003623
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 12
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104799.1:89563505-89564709
-
GO:0008299
TkA02G464040
TK1151: TkA02G464040
OH-1004: LXL04_013921
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 12
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104801.1:38088550-38092576
+
GO:0008299

TkA03G325630

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

TkA02G535660

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 18
Source IDTkA02G535660
LocationCM104801.1:19628006-19630012 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

TkA02G448690

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 18
Source IDTkA02G448690
LocationCM104801.1:43288238-43290024 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

LXL04_028189

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 18
Source ID-
LocationCM104804.1:33787973-33788663 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

LXL04_028191

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 18
Source ID-
LocationCM104804.1:33794453-33797605 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

TkA07G129020

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 18
Source IDTkA07G129020;TkA07G129240;TkA07G129470;TkA07G129530
LocationCM104804.1:34323170-34326130 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

TkA02G535540

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 14
Source IDTkA02G535540;TkA05G451840
LocationCM104802.1:146393099-146395586 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA04G128060

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 14
Source IDTkA04G128060
LocationCM104806.1:23243659-23245942 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA04G336710

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 12
Source IDTkA04G336710;TkA04G336720
LocationCM104799.1:89563505-89564709 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA02G464040

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 12
Source IDTkA02G464040
LocationCM104801.1:38088550-38092576 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

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.