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

8 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
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisopreneRNAi laticifers with polymer and particle assaysTbCPT1JQ991925.1CPTCPT/CPTL branchLaticifer-specific cis-prenyltransferaseA_direct_experiment
TbCPT1 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
External evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.
10.1104/pp.111.187880Laticifer-specific cis-prenyltransferase silencing affects natural rubber biosynthesis in Taraxacum brevicorniculatum
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisopreneRNAi laticifers with polymer and particle assaysTbCPT2JQ991926.1CPTCPT/CPTL branchLaticifer-specific cis-prenyltransferaseA_direct_experiment
TbCPT2 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
External evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.
10.1104/pp.111.187880Laticifer-specific cis-prenyltransferase silencing affects natural rubber biosynthesis in Taraxacum brevicorniculatum
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisopreneRNAi laticifers with polymer and particle assaysTbCPT3JQ991927.1CPTCPT/CPTL branchLaticifer-specific cis-prenyltransferaseA_direct_experiment
TbCPT3 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
External evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.
10.1104/pp.111.187880Laticifer-specific cis-prenyltransferase silencing affects natural rubber biosynthesis in Taraxacum brevicorniculatum
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisopreneRubber-particle extraction and heterologous assaysTbSRPP1JQ991928.1SRPPREF/SRPP rubber-particle proteinsSmall rubber-particle proteinA_direct_experiment
TbSRPP1 is a direct experimental reference associated with rubber-particle formation.
External particle-protein evidence, not direct validation in T. kok-saghyz.
10.1111/tpj.13829Small rubber particle proteins from Taraxacum brevicorniculatum are associated with rubber particle formation
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisoprenePublic cDNA recordsTbRTAKP763637.1RTALatex/root associatedRubber transferase activator referenceB_sequence_resource
Sequence records support exact ID lookup and future homology mapping but do not independently establish function.
Sequence record alone is not functional proof.
KP763637.1;MF471639.1;KJ911908.1;KJ911910.1Taraxacum brevicorniculatum rubber pathway sequence records
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisoprenePublic cDNA recordsTbFDPS1KJ911908.1FDPSPrenyl-donor metabolismPrenyl-donor synthesis referenceB_sequence_resource
Sequence records support exact ID lookup and future homology mapping but do not independently establish function.
Sequence record alone is not functional proof.
KP763637.1;MF471639.1;KJ911908.1;KJ911910.1Taraxacum brevicorniculatum rubber pathway sequence records
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisoprenePublic cDNA recordsTbFDPS2KJ911910.1FDPSPrenyl-donor metabolismPrenyl-donor synthesis referenceB_sequence_resource
Sequence records support exact ID lookup and future homology mapping but do not independently establish function.
Sequence record alone is not functional proof.
KP763637.1;MF471639.1;KJ911908.1;KJ911910.1Taraxacum brevicorniculatum rubber pathway sequence records
Laticiferous dandelionTaraxacum brevicorniculatumcis-1,4-polyisoprenePublic cDNA recordsTbREFMF471639.1REFREF/SRPP rubber-particle proteinsRubber-particle protein referenceB_sequence_resource
Sequence records support exact ID lookup and future homology mapping but do not independently establish function.
Sequence record alone is not functional proof.
KP763637.1;MF471639.1;KJ911908.1;KJ911910.1Taraxacum brevicorniculatum rubber pathway sequence records

Laticiferous dandelion · TbCPT1

Sequence IDJQ991925.1
StepCPT/CPTL branch · CPT
EvidenceTbCPT1 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
BoundaryExternal evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.

Laticiferous dandelion · TbCPT2

Sequence IDJQ991926.1
StepCPT/CPTL branch · CPT
EvidenceTbCPT2 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
BoundaryExternal evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.

Laticiferous dandelion · TbCPT3

Sequence IDJQ991927.1
StepCPT/CPTL branch · CPT
EvidenceTbCPT3 is a direct laticifer-specific cis-rubber experimental reference in a related dandelion.
BoundaryExternal evidence in T. brevicorniculatum, not direct validation in T. kok-saghyz.

Laticiferous dandelion · TbSRPP1

Sequence IDJQ991928.1
StepREF/SRPP rubber-particle proteins · SRPP
EvidenceTbSRPP1 is a direct experimental reference associated with rubber-particle formation.
BoundaryExternal particle-protein evidence, not direct validation in T. kok-saghyz.

Laticiferous dandelion · TbRTA

Sequence IDKP763637.1
StepLatex/root associated · RTA
EvidenceSequence records support exact ID lookup and future homology mapping but do not independently establish function.
BoundarySequence record alone is not functional proof.

Laticiferous dandelion · TbFDPS1

Sequence IDKJ911908.1
StepPrenyl-donor metabolism · FDPS
EvidenceSequence records support exact ID lookup and future homology mapping but do not independently establish function.
BoundarySequence record alone is not functional proof.

Laticiferous dandelion · TbFDPS2

Sequence IDKJ911910.1
StepPrenyl-donor metabolism · FDPS
EvidenceSequence records support exact ID lookup and future homology mapping but do not independently establish function.
BoundarySequence record alone is not functional proof.

Laticiferous dandelion · TbREF

Sequence IDMF471639.1
StepREF/SRPP rubber-particle proteins · REF
EvidenceSequence records support exact ID lookup and future homology mapping but do not independently establish function.
BoundarySequence record alone is not functional proof.

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 6 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
TkA07G403060
TK1151: TkA07G403060
OH-1004: LXL04_030439
Terpenoid metabolism
Terpenoid metabolism
High
score 10
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:116024808-116025848
-
GO:0006720
LXL04_032929
TK1151: -
OH-1004: LXL04_032929
Terpenoid metabolism
Terpenoid metabolism
High
score 10
GOExpressionLocalizationSwiss-Prot CM104805.1:31835394-31835726
-
GO:0006720
TkA04G037140
TK1151: TkA04G037140
OH-1004: LXL04_036553
Terpenoid metabolism
Terpenoid metabolism
High
score 10
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104806.1:44380943-44383256
-
GO:0016102
TkA04G037310
TK1151: TkA04G037310
OH-1004: LXL04_036558
Terpenoid metabolism
Terpenoid metabolism
High
score 10
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104806.1:44473536-44475845
-
GO:0016102
TkA04G442840
TK1151: TkA04G442840;TkA04G442850
OH-1004: LXL04_038568
Terpenoid metabolism
Terpenoid metabolism
High
score 10
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104807.1:44200431-44203018
-
GO:0010333
TkA01G526400
TK1151: TkA01G526400
OH-1004: LXL04_001550
Terpenoid metabolism
Terpenoid metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104799.1:28958260-28959614
+
GO:0006720
TkA01G174520
TK1151: TkA01G174520
OH-1004: LXL04_004293
Terpenoid metabolism
Terpenoid metabolism
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104799.1:131831356-131832928
+
go:0016117 carotenoid biosynthetic process biological_process
TkA01G074040
TK1151: TkA01G074040;TkA01G074120
OH-1004: LXL04_005234
Terpenoid metabolism
Terpenoid metabolism
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104799.1:158129845-158134194
+
go:0010436 carotenoid dioxygenase activity molecular_function
TkA01G073790
TK1151: TkA01G073790
OH-1004: LXL04_005237
Terpenoid metabolism
Terpenoid metabolism
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104799.1:158178648-158181492
+
go:0010436 carotenoid dioxygenase activity molecular_function
TkA03G551610
TK1151: TkA03G551610
OH-1004: LXL04_010847
Terpenoid metabolism
Terpenoid metabolism
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104800.1:154390426-154394202
-
go:0010436 carotenoid dioxygenase activity molecular_function

TkA07G403060

Terpenoid metabolismTerpenoid metabolismHigh · score 10
Source IDTkA07G403060
LocationCM104804.1:116024808-116025848 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0006720

LXL04_032929

Terpenoid metabolismTerpenoid metabolismHigh · score 10
Source ID-
LocationCM104805.1:31835394-31835726 -
EvidenceGOExpressionLocalizationSwiss-Prot
Key evidenceGO:0006720

TkA04G037140

Terpenoid metabolismTerpenoid metabolismHigh · score 10
Source IDTkA04G037140
LocationCM104806.1:44380943-44383256 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA04G037310

Terpenoid metabolismTerpenoid metabolismHigh · score 10
Source IDTkA04G037310
LocationCM104806.1:44473536-44475845 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA04G442840

Terpenoid metabolismTerpenoid metabolismHigh · score 10
Source IDTkA04G442840;TkA04G442850
LocationCM104807.1:44200431-44203018 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0010333

TkA01G526400

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA01G526400
LocationCM104799.1:28958260-28959614 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0006720

TkA01G174520

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA01G174520
LocationCM104799.1:131831356-131832928 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016117 carotenoid biosynthetic process biological_process

TkA01G074040

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA01G074040;TkA01G074120
LocationCM104799.1:158129845-158134194 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010436 carotenoid dioxygenase activity molecular_function

TkA01G073790

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA01G073790
LocationCM104799.1:158178648-158181492 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010436 carotenoid dioxygenase activity molecular_function

TkA03G551610

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA03G551610
LocationCM104800.1:154390426-154394202 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0010436 carotenoid dioxygenase 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.