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 38 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
TkA04G331900
TK1151: TkA04G331900
OH-1004: LXL04_037616
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationSwiss-ProtCoexpression CM104807.1:15970449-15972752
-
go:1904629 response to diterpene biological_process
LXL04_037620
TK1151: -
OH-1004: LXL04_037620
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationSwiss-Prot CM104807.1:16327381-16327879
-
go:0051484 isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway involved in terpenoid biosynthetic process biological_process
LXL04_038304
TK1151: -
OH-1004: LXL04_038304
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104807.1:36915774-36916379
-
go:0016114 terpenoid biosynthetic process biological_process
TkA04G415850
TK1151: TkA04G415850
OH-1004: LXL04_038305
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104807.1:36941482-36944078
-
go:0016114 terpenoid biosynthetic process biological_process
TkAUNG089850
TK1151: TkAUNG089850;TkA02G042480;TkA02G481170;TkA04G415960;TkA07G148450
OH-1004: LXL04_038308
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104807.1:36967663-36970360
-
go:0016114 terpenoid biosynthetic process biological_process
TkA02G171480
TK1151: TkA02G171480;TkA04G434190
OH-1004: LXL04_038484
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104807.1:42264015-42264964
-
go:0016117 carotenoid biosynthetic process biological_process
TkA04G471610
TK1151: TkA04G471610
OH-1004: LXL04_038850
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104807.1:51982891-51984621
-
go:0016114 terpenoid biosynthetic process biological_process
LXL04_038853
TK1151: -
OH-1004: LXL04_038853
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104807.1:51989440-51991302
-
go:0051762 sesquiterpene biosynthetic process biological_process
TkA04G471660
TK1151: TkA04G471660
OH-1004: LXL04_038854
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104807.1:52000583-52006478
-
go:0051762 sesquiterpene biosynthetic process biological_process
LXL04_039603
TK1151: -
OH-1004: LXL04_039603
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationSwiss-ProtCoexpression JAJTUU010000017.1:563551-565853
+
go:1904629 response to diterpene biological_process

TkA04G331900

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA04G331900
LocationCM104807.1:15970449-15972752 -
EvidenceGOExpressionLocalizationSwiss-ProtCoexpression
Key evidencego:1904629 response to diterpene biological_process

LXL04_037620

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104807.1:16327381-16327879 -
EvidenceGOExpressionLocalizationSwiss-Prot
Key evidencego:0051484 isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway involved in terpenoid biosynthetic process biological_process

LXL04_038304

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104807.1:36915774-36916379 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkA04G415850

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA04G415850
LocationCM104807.1:36941482-36944078 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkAUNG089850

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkAUNG089850;TkA02G042480;TkA02G481170;TkA04G415960;TkA07G148450
LocationCM104807.1:36967663-36970360 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkA02G171480

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA02G171480;TkA04G434190
LocationCM104807.1:42264015-42264964 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016117 carotenoid biosynthetic process biological_process

TkA04G471610

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA04G471610
LocationCM104807.1:51982891-51984621 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

LXL04_038853

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104807.1:51989440-51991302 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0051762 sesquiterpene biosynthetic process biological_process

TkA04G471660

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA04G471660
LocationCM104807.1:52000583-52006478 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0051762 sesquiterpene biosynthetic process biological_process

LXL04_039603

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationJAJTUU010000017.1:563551-565853 +
EvidenceGOExpressionLocalizationSwiss-ProtCoexpression
Key evidencego:1904629 response to diterpene 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.