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 154 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
TkA02G507100
TK1151: TkA02G507100
OH-1004: LXL04_013298
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:27290166-27291164
-
go:0008631 intrinsic apoptotic signaling pathway in response to oxidative stress biological_process
TkA02G506880
TK1151: TkA02G506880
OH-1004: LXL04_013299
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:27314361-27318099
-
go:0008631 intrinsic apoptotic signaling pathway in response to oxidative stress biological_process
TkA02G505280
TK1151: TkA02G505280
OH-1004: LXL04_013323
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:27775608-27778140
+
go:0010078 maintenance of root meristem identity biological_process
TkA02G504920
TK1151: TkA02G504920
OH-1004: LXL04_013329
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:27892403-27892762
+
go:0009651 response to salt stress biological_process
TkA02G500430
TK1151: TkA02G500430;TkA02G502510
OH-1004: LXL04_013358
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:28478388-28485416
-
go:0048364 root development biological_process
TkA02G498620
TK1151: TkA02G498620;TkA07G414700;TkA07G415280
OH-1004: LXL04_013388
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:28932757-28934818
-
go:0006979 response to oxidative stress biological_process
LXL04_013457
TK1151: -
OH-1004: LXL04_013457
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:29935340-29937339
+
go:0006970 response to osmotic stress biological_process
TkA02G493830
TK1151: TkA02G493830
OH-1004: LXL04_013493
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationSwiss-ProtCoexpression CM104801.1:30437487-30441491
-
go:0006970 response to osmotic stress biological_process
TkA02G486730
TK1151: TkA02G486730
OH-1004: LXL04_013588
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:32174424-32176937
+
go:0010015 root morphogenesis biological_process
TkAUNG012860
TK1151: TkAUNG012860;TkAUNG013330
OH-1004: LXL04_013604
Latex/root related candidates
Latex/root associated candidates
Medium
score 4
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104801.1:32393395-32394888
+
go:0006979 response to oxidative stress biological_process

TkA02G507100

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G507100
LocationCM104801.1:27290166-27291164 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0008631 intrinsic apoptotic signaling pathway in response to oxidative stress biological_process

TkA02G506880

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G506880
LocationCM104801.1:27314361-27318099 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0008631 intrinsic apoptotic signaling pathway in response to oxidative stress biological_process

TkA02G505280

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G505280
LocationCM104801.1:27775608-27778140 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0010078 maintenance of root meristem identity biological_process

TkA02G504920

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G504920
LocationCM104801.1:27892403-27892762 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0009651 response to salt stress biological_process

TkA02G500430

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G500430;TkA02G502510
LocationCM104801.1:28478388-28485416 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0048364 root development biological_process

TkA02G498620

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G498620;TkA07G414700;TkA07G415280
LocationCM104801.1:28932757-28934818 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0006979 response to oxidative stress biological_process

LXL04_013457

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source ID-
LocationCM104801.1:29935340-29937339 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0006970 response to osmotic stress biological_process

TkA02G493830

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G493830
LocationCM104801.1:30437487-30441491 -
EvidenceGOExpressionLocalizationSwiss-ProtCoexpression
Key evidencego:0006970 response to osmotic stress biological_process

TkA02G486730

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkA02G486730
LocationCM104801.1:32174424-32176937 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0010015 root morphogenesis biological_process

TkAUNG012860

Latex/root related candidatesLatex/root associated candidatesMedium · score 4
Source IDTkAUNG012860;TkAUNG013330
LocationCM104801.1:32393395-32394888 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0006979 response to oxidative stress 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.