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 9 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
TkA05G044770
TK1151: TkA05G044770
OH-1004: LXL04_019343
Terpenoid metabolism
Terpenoid metabolism
High
score 12
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:29318272-29320314
+
go:0010686 tetracyclic triterpenoid biosynthetic process biological_process
LXL04_019786
TK1151: -
OH-1004: LXL04_019786
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 12
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104802.1:40185274-40186815
-
GO:0008299
TkA03G353780
TK1151: TkA03G353780;TkA03G501090;TkA03G617430;TkA06G113340;TkA08G064670
OH-1004: LXL04_024736
MVA/MEP and isoprenoid
Mevalonate pathway
High
score 12
FunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:97826167-97831870
+
GO:0008299
TkA06G008530
TK1151: TkA06G008530;TkA06G046160
OH-1004: LXL04_025675
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:115083477-115085192
+
GO:0016102
TkA06G007840
TK1151: TkA06G007840
OH-1004: LXL04_026506
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104803.1:127496772-127499776
+
GO:0016102
TkA06G001020
TK1151: TkA06G001020
OH-1004: LXL04_026602
Latex/root related candidates
Latex/root associated candidates
High
score 12
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104803.1:129377720-129380816
-
go:0006970 response to osmotic stress biological_process
TkA07G009450
TK1151: TkA07G009450;TkA07G047150
OH-1004: LXL04_026810
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104804.1:3294743-3299854
+
GO:0016102
TkA07G009610
TK1151: TkA07G009610
OH-1004: LXL04_026811
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104804.1:3321916-3327525
+
GO:0016102
LXL04_027682
TK1151: -
OH-1004: LXL04_027682
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104804.1:21720576-21720809
-
GO:0016102
TkA07G339320
TK1151: TkA07G339320;TkA07G339460
OH-1004: LXL04_029709
Terpenoid metabolism
Terpenoid metabolism
High
score 12
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104804.1:98027246-98028911
-
GO:0010333

TkA05G044770

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA05G044770
LocationCM104802.1:29318272-29320314 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010686 tetracyclic triterpenoid biosynthetic process biological_process

LXL04_019786

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 12
Source ID-
LocationCM104802.1:40185274-40186815 -
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA03G353780

MVA/MEP and isoprenoidMevalonate pathwayHigh · score 12
Source IDTkA03G353780;TkA03G501090;TkA03G617430;TkA06G113340;TkA08G064670
LocationCM104803.1:97826167-97831870 +
EvidenceFunctionGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0008299

TkA06G008530

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA06G008530;TkA06G046160
LocationCM104803.1:115083477-115085192 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA06G007840

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA06G007840
LocationCM104803.1:127496772-127499776 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA06G001020

Latex/root related candidatesLatex/root associated candidatesHigh · score 12
Source IDTkA06G001020
LocationCM104803.1:129377720-129380816 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0006970 response to osmotic stress biological_process

TkA07G009450

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA07G009450;TkA07G047150
LocationCM104804.1:3294743-3299854 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA07G009610

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA07G009610
LocationCM104804.1:3321916-3327525 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

LXL04_027682

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source ID-
LocationCM104804.1:21720576-21720809 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidenceGO:0016102

TkA07G339320

Terpenoid metabolismTerpenoid metabolismHigh · score 12
Source IDTkA07G339320;TkA07G339460
LocationCM104804.1:98027246-98028911 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidenceGO:0010333

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.