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 29 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
TkA05G355620
TK1151: TkA05G355620
OH-1004: LXL04_021127
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:122108694-122111178
-
go:0016114 terpenoid biosynthetic process biological_process
LXL04_021516
TK1151: -
OH-1004: LXL04_021516
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:131502285-131504471
+
go:0016114 terpenoid biosynthetic process biological_process
TkA05G421100
TK1151: TkA05G421100;TkA05G422530;TkA05G423390
OH-1004: LXL04_021788
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:137002807-137006387
-
go:1904630 cellular response to diterpene biological_process
TkAUNG094750
TK1151: TkAUNG094750;TkAUNG095860;TkA05G438410
OH-1004: LXL04_021998
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:142244764-142250607
-
go:0004506 squalene monooxygenase activity molecular_function
TkA05G444010
TK1151: TkA05G444010
OH-1004: LXL04_022078
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:144349858-144352789
+
go:1904629 response to diterpene biological_process
TkA05G450370
TK1151: TkA05G450370;TkA07G371350
OH-1004: LXL04_022203
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104802.1:146011028-146013710
+
go:1904143 positive regulation of carotenoid biosynthetic process biological_process
TkA02G535540
TK1151: TkA02G535540;TkA05G451840
OH-1004: LXL04_022221
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:146393099-146395586
-
go:0016104 triterpenoid biosynthetic process biological_process
TkA06G422450
TK1151: TkA06G422450
OH-1004: LXL04_022961
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:15516897-15527618
+
go:0016104 triterpenoid biosynthetic process biological_process
LXL04_023032
TK1151: -
OH-1004: LXL04_023032
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:19390905-19392161
+
go:0016114 terpenoid biosynthetic process biological_process
TkA06G411930
TK1151: TkA06G411930
OH-1004: LXL04_023036
Terpenoid metabolism
Terpenoid metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:19754183-19755640
-
go:0016114 terpenoid biosynthetic process biological_process

TkA05G355620

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA05G355620
LocationCM104802.1:122108694-122111178 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

LXL04_021516

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104802.1:131502285-131504471 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkA05G421100

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA05G421100;TkA05G422530;TkA05G423390
LocationCM104802.1:137002807-137006387 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904630 cellular response to diterpene biological_process

TkAUNG094750

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkAUNG094750;TkAUNG095860;TkA05G438410
LocationCM104802.1:142244764-142250607 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0004506 squalene monooxygenase activity molecular_function

TkA05G444010

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA05G444010
LocationCM104802.1:144349858-144352789 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904629 response to diterpene biological_process

TkA05G450370

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA05G450370;TkA07G371350
LocationCM104802.1:146011028-146013710 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904143 positive regulation of carotenoid biosynthetic process biological_process

TkA02G535540

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA02G535540;TkA05G451840
LocationCM104802.1:146393099-146395586 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016104 triterpenoid biosynthetic process biological_process

TkA06G422450

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA06G422450
LocationCM104803.1:15516897-15527618 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016104 triterpenoid biosynthetic process biological_process

LXL04_023032

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source ID-
LocationCM104803.1:19390905-19392161 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016114 terpenoid biosynthetic process biological_process

TkA06G411930

Terpenoid metabolismTerpenoid metabolismLow · score 2
Source IDTkA06G411930
LocationCM104803.1:19754183-19755640 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0016114 terpenoid biosynthetic process 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.