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

2000 candidates match the current filter; 10 are shown per page (page 37 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
TkA05G323550
TK1151: TkA05G323550;TkA05G324060
OH-1004: LXL04_020878
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:112688802-112690656
-
GO:0016114
TkA05G377690
TK1151: TkA05G377690;TkA05G377700
OH-1004: LXL04_021289
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:126644046-126646952
-
GO:0008299
TkA05G398130
TK1151: TkA05G398130
OH-1004: LXL04_021464
Latex/root related candidates
Latex/root associated candidates
High
score 8
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:130697153-130698103
+
go:0009611 response to wounding biological_process
TkA03G427710
TK1151: TkA03G427710;TkA05G400510;TkA06G297000
OH-1004: LXL04_021496
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:131196495-131198752
+
go:0033385 geranylgeranyl diphosphate metabolic process biological_process
LXL04_021516
TK1151: -
OH-1004: LXL04_021516
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:131502285-131504471
+
GO:0016114
TkA05G430620
TK1151: TkA05G430620
OH-1004: LXL04_021856
Latex/root related candidates
Latex/root associated candidates
High
score 8
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:138732491-138734833
+
go:0010311 lateral root formation biological_process
TkAUNG024690
TK1151: TkAUNG024690;TkA08G354230
OH-1004: LXL04_021889
MVA/MEP and isoprenoid
Prenyl-donor metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:139651413-139655754
-
GO:0016114
TkA05G432550
TK1151: TkA05G432550
OH-1004: LXL04_021938
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 8
FunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:140741977-140744254
+
go:0004631 phosphomevalonate kinase activity molecular_function
TkA05G448690
TK1151: TkA05G448690
OH-1004: LXL04_022167
Latex/root related candidates
Latex/root associated candidates
High
score 8
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:145578780-145584241
-
go:0010015 root morphogenesis biological_process
TkA05G449000
TK1151: TkA05G449000;TkA05G449310
OH-1004: LXL04_022178
Terpenoid metabolism
Terpenoid metabolism
High
score 8
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:145738953-145740020
-
GO:0016101

TkA05G323550

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 8
Source IDTkA05G323550;TkA05G324060
LocationCM104802.1:112688802-112690656 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016114

TkA05G377690

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 8
Source IDTkA05G377690;TkA05G377700
LocationCM104802.1:126644046-126646952 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0008299

TkA05G398130

Latex/root related candidatesLatex/root associated candidatesHigh · score 8
Source IDTkA05G398130
LocationCM104802.1:130697153-130698103 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0009611 response to wounding biological_process

TkA03G427710

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 8
Source IDTkA03G427710;TkA05G400510;TkA06G297000
LocationCM104802.1:131196495-131198752 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0033385 geranylgeranyl diphosphate metabolic process biological_process

LXL04_021516

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 8
Source ID-
LocationCM104802.1:131502285-131504471 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0016114

TkA05G430620

Latex/root related candidatesLatex/root associated candidatesHigh · score 8
Source IDTkA05G430620
LocationCM104802.1:138732491-138734833 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010311 lateral root formation biological_process

TkAUNG024690

MVA/MEP and isoprenoidPrenyl-donor metabolismHigh · score 8
Source IDTkAUNG024690;TkA08G354230
LocationCM104802.1:139651413-139655754 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016114

TkA05G432550

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 8
Source IDTkA05G432550
LocationCM104802.1:140741977-140744254 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0004631 phosphomevalonate kinase activity molecular_function

TkA05G448690

Latex/root related candidatesLatex/root associated candidatesHigh · score 8
Source IDTkA05G448690
LocationCM104802.1:145578780-145584241 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0010015 root morphogenesis biological_process

TkA05G449000

Terpenoid metabolismTerpenoid metabolismHigh · score 8
Source IDTkA05G449000;TkA05G449310
LocationCM104802.1:145738953-145740020 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016101

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.