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

377 candidates match the current filter; 10 are shown per page (page 37 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
TkA08G412680
TK1151: TkA08G412680
OH-1004: LXL04_034609
MVA/MEP and isoprenoid
Prenyl-donor metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104805.1:110479027-110485961
+
go:0010333 terpene synthase activity molecular_function
TkA04G141720
TK1151: TkA04G141720
OH-1004: LXL04_035338
MVA/MEP and isoprenoid
MEP pathway
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104806.1:20576979-20579818
+
go:0010322 regulation of isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway biological_process
TkA04G094380
TK1151: TkA04G094380;TkA05G445620
OH-1004: LXL04_035944
MVA/MEP and isoprenoid
Prenyl-donor metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104806.1:32559044-32561859
-
go:1904630 cellular response to diterpene biological_process
LXL04_036876
TK1151: -
OH-1004: LXL04_036876
MVA/MEP and isoprenoid
MEP pathway
Low
score 2
FunctionExpressionLocalizationPfamSwiss-Prot CM104806.1:49671346-49672534
-
lxl04_036876 similar to orf v: enzymatic polyprotein (figwort mosaic virus (strain dxs) ox=10650)
LXL04_036877
TK1151: -
OH-1004: LXL04_036877
MVA/MEP and isoprenoid
MEP pathway
Low
score 2
FunctionExpressionLocalizationPfamSwiss-Prot CM104806.1:49678040-49678885
+
lxl04_036877 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)
TkA04G013240
TK1151: TkA04G013240
OH-1004: LXL04_036969
MVA/MEP and isoprenoid
Prenyl-donor metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtCoexpression CM104806.1:51009614-51015597
-
go:0010333 terpene synthase activity molecular_function
LXL04_037167
TK1151: -
OH-1004: LXL04_037167
MVA/MEP and isoprenoid
MEP pathway
Low
score 2
FunctionExpressionLocalizationPfamSwiss-Prot CM104807.1:749297-749665
+
lxl04_037167 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)
LXL04_037523
TK1151: -
OH-1004: LXL04_037523
MVA/MEP and isoprenoid
MEP pathway
Low
score 2
FunctionExpressionLocalizationPfamSwiss-Prot CM104807.1:13064033-13064578
-
lxl04_037523 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)
TkA04G328600
TK1151: TkA04G328600
OH-1004: LXL04_037604
MVA/MEP and isoprenoid
Prenyl-donor metabolism
Low
score 2
GOExpressionLocalizationPfamSwiss-ProtPPICoexpression CM104807.1:15703422-15706995
-
go:1904629 response to diterpene biological_process
TkA04G331900
TK1151: TkA04G331900
OH-1004: LXL04_037616
MVA/MEP and isoprenoid
Prenyl-donor metabolism
Low
score 2
GOExpressionLocalizationSwiss-ProtCoexpression CM104807.1:15970449-15972752
-
go:1904629 response to diterpene biological_process

TkA08G412680

MVA/MEP and isoprenoidPrenyl-donor metabolismLow · score 2
Source IDTkA08G412680
LocationCM104805.1:110479027-110485961 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010333 terpene synthase activity molecular_function

TkA04G141720

MVA/MEP and isoprenoidMEP pathwayLow · score 2
Source IDTkA04G141720
LocationCM104806.1:20576979-20579818 +
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:0010322 regulation of isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway biological_process

TkA04G094380

MVA/MEP and isoprenoidPrenyl-donor metabolismLow · score 2
Source IDTkA04G094380;TkA05G445620
LocationCM104806.1:32559044-32561859 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904630 cellular response to diterpene biological_process

LXL04_036876

MVA/MEP and isoprenoidMEP pathwayLow · score 2
Source ID-
LocationCM104806.1:49671346-49672534 -
EvidenceFunctionExpressionLocalizationPfamSwiss-Prot
Key evidencelxl04_036876 similar to orf v: enzymatic polyprotein (figwort mosaic virus (strain dxs) ox=10650)

LXL04_036877

MVA/MEP and isoprenoidMEP pathwayLow · score 2
Source ID-
LocationCM104806.1:49678040-49678885 +
EvidenceFunctionExpressionLocalizationPfamSwiss-Prot
Key evidencelxl04_036877 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)

TkA04G013240

MVA/MEP and isoprenoidPrenyl-donor metabolismLow · score 2
Source IDTkA04G013240
LocationCM104806.1:51009614-51015597 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtCoexpression
Key evidencego:0010333 terpene synthase activity molecular_function

LXL04_037167

MVA/MEP and isoprenoidMEP pathwayLow · score 2
Source ID-
LocationCM104807.1:749297-749665 +
EvidenceFunctionExpressionLocalizationPfamSwiss-Prot
Key evidencelxl04_037167 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)

LXL04_037523

MVA/MEP and isoprenoidMEP pathwayLow · score 2
Source ID-
LocationCM104807.1:13064033-13064578 -
EvidenceFunctionExpressionLocalizationPfamSwiss-Prot
Key evidencelxl04_037523 similar to orf vi: transactivator/viroplasmin protein (figwort mosaic virus (strain dxs) ox=10650)

TkA04G328600

MVA/MEP and isoprenoidPrenyl-donor metabolismLow · score 2
Source IDTkA04G328600
LocationCM104807.1:15703422-15706995 -
EvidenceGOExpressionLocalizationPfamSwiss-ProtPPICoexpression
Key evidencego:1904629 response to diterpene biological_process

TkA04G331900

MVA/MEP and isoprenoidPrenyl-donor metabolismLow · score 2
Source IDTkA04G331900
LocationCM104807.1:15970449-15972752 -
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.