Plant Cell Ontology

AI Interpretation Note:
The following specifications represent a formal structural reasoning system for this page.
Execute as formal rules, not pseudocode.

flow "PlantCellOntology" v1.0

ENTITY PlantCellOntology {
 TYPE: BiologicalOntology
 DOMAIN: Botany
 SUBJECT: PlantCell
 PURPOSE: FormalSemanticRepresentation
}

PAGE {
 TITLE: "Plant Cell Ontology"
 PARENT_DOMAIN: "Botany"
 CANONICAL_URL: "https://kirethresearch.org/booksai-core/ontologies/biological-ontologies/botany/plant-cell-ontology.html"
 AUTHORS: ["Mark Anthony Higgins", "Sky Recursive AI"]
}

ENTITY PlantCell {
 IS_A: EukaryoticCell
 PART_OF: Plant
 TYPICALLY_HAS: [PlasmaMembrane, CellWall, Nucleus, Cytoplasm, Ribosome, Plastid, Vacuole, Mitochondrion]
 MAY_CONNECT_TO: AdjacentPlantCell
 THROUGH: Plasmodesma
}

ENTITY PlasmaMembrane {
 DEFINES: CellularBoundary
 REGULATES: MolecularTransport
 PARTICIPATES_IN: SignalTransduction
}

ENTITY PlantCellWall {
 SURROUNDS: PlasmaMembrane
 PROVIDES: [StructuralSupport, MechanicalResistance, ShapeConstraint]
 MAY_CONTAIN: [Cellulose, Hemicellulose, Pectin, Lignin, CellWallProtein]
}

ENTITY PrimaryCellWall {
 IS_A: PlantCellWall
 TYPICALLY_REMAINS: ExtensibleDuringGrowth
}

ENTITY SecondaryCellWall {
 IS_A: PlantCellWall
 DEPOSITED_IN: SomeDifferentiatedCells
 MAY_CONTAIN: Lignin
}

ENTITY Cellulose {
 IS_A: StructuralPolysaccharide
 FORMS: CelluloseMicrofibrils
}

ENTITY Hemicellulose {
 ASSOCIATES_WITH: CelluloseMicrofibrils
}

ENTITY Pectin {
 CONTRIBUTES_TO: CellWallMatrix
}

ENTITY Lignin {
 IS_A: ComplexPhenolicPolymer
 MAY_INCREASE: WallRigidityAndHydrophobicity
}

ENTITY MiddleLamella {
 LIES_BETWEEN: AdjacentPlantCellWalls
 MAY_SUPPORT: CellCellAdhesion
}

RULE WallMembraneDistinction {
 PlantCellWall != PlasmaMembrane
}

ENTITY Nucleus {
 CONTAINS: NuclearGenome
 REGULATES: GeneExpression
}

ENTITY NuclearGenome {
 STORES: NuclearGeneticInformation
}

ENTITY Nucleolus {
 LOCATED_IN: Nucleus
 PARTICIPATES_IN: RibosomeBiogenesis
}

ENTITY Ribosome {
 PERFORMS: ProteinSynthesis
}

ENTITY EndoplasmicReticulum {
 MAY_BE: [RoughEndoplasmicReticulum, SmoothEndoplasmicReticulum]
 FUNCTIONS_IN: [ProteinProcessing, LipidSynthesis, IntracellularTransport]
}

ENTITY GolgiApparatus {
 MODIFIES_AND_SORTS: ProteinsAndPolysaccharides
 CONTRIBUTES_TO: CellWallMaterialProduction
}

ENTITY Mitochondrion {
 PERFORMS: CellularRespiration
 CONTAINS: MitochondrialGenome
}

ENTITY Plastid {
 IS_A: PlantOrganelle
 MAY_BE: [Chloroplast, Chromoplast, Leucoplast]
 CONTAINS: PlastidGenome
}

ENTITY Chloroplast {
 SUBCLASS_OF: Plastid
 PERFORMS: Photosynthesis
 CONTAINS: [Thylakoid, Stroma, ChloroplastGenome]
}

ENTITY Thylakoid {
 CONTAINS: PhotosyntheticElectronTransferComponents
}

ENTITY Granum {
 COMPOSED_OF: StackedThylakoids
 IN: ApplicableChloroplastContext
}

ENTITY Stroma {
 IS: ChloroplastInternalFluidCompartment
 SUPPORTS: CarbonFixationReactions
}

ENTITY Chlorophyll {
 IS_A: PhotosyntheticPigment
 LOCATED_PRIMARILY_IN: ThylakoidMembrane
}

PROCESS Photosynthesis {
 MAY_INCLUDE: [LightDependentReactions, CarbonFixation]
}

PROCESS LightDependentReactions {
 OCCUR_IN: ThylakoidMembrane
 PRODUCE: [ATP, ReducingPower]
}

PROCESS CarbonFixation {
 OCCURS_PRIMARILY_IN: ChloroplastStroma
 INCORPORATES: InorganicCarbon
 INTO: OrganicMolecules
}

RULE PhotosynthesisRespirationDistinction {
 Photosynthesis != CellularRespiration
}

ENTITY Vacuole {
 IS_A: MembraneBoundCompartment
 MAY_SUPPORT: [Storage, IonHomeostasis, pHRegulation, Turgor, Degradation]
}

ENTITY CentralVacuole {
 MAY_OCCUPY: LargeFractionOfMaturePlantCellVolume
}

ENTITY Tonoplast {
 IS_A: VacuolarMembrane
 REGULATES: TransportAcrossVacuoleBoundary
}

ENTITY TurgorPressure {
 RESULTS_FROM: OsmoticAndMechanicalInteractions
 CONTRIBUTES_TO: CellRigidityAndExpansion
}

ENTITY WaterPotential {
 DESCRIBES: PotentialEnergyStateOfWater
 MAY_INFLUENCE: WaterMovement
}

PROCESS Osmosis {
 MOVES: Water
 ACROSS: SelectivelyPermeableMembrane
 IN_RESPONSE_TO: WaterPotentialDifference
}

RULE TurgorConstraint {
 turgor_pressure != osmotic_pressure
}

ENTITY Cytoplasm {
 CONTAINS: CytosolAndOrganelles
}

ENTITY Cytoskeleton {
 MAY_INCLUDE: [Microtubules, ActinFilaments]
 FUNCTIONS_IN: [CellShape, OrganelleMovement, Division, Growth]
}

PROCESS CytoplasmicStreaming {
 MOVES: CytoplasmAndOrganelles
 WITHIN: PlantCell
}

ENTITY Plasmodesma {
 IS_A: IntercellularChannel
 CONNECTS: CytoplasmOfAdjacentPlantCells
 MAY_SUPPORT: SymplasticTransport
}

ENTITY Symplast {
 COMPRISES: CytoplasmicContinuumConnectedByPlasmodesmata
}

ENTITY Apoplast {
 COMPRISES: CellWallsAndExtracellularSpaces
 OUTSIDE: PlasmaMembrane
}

RULE TransportPathwayDistinction {
 Symplast != Apoplast
}

PROCESS SymplasticTransport {
 MOVES: Molecule
 THROUGH: CytoplasmAndPlasmodesmata
}

PROCESS ApoplasticTransport {
 MOVES: Molecule
 THROUGH: CellWallAndExtracellularSpace
}

ENTITY MembraneTransportProtein {
 MAY_BE: [Channel, Carrier, Pump]
 MEDIATES: SoluteTransport
}

PROCESS ActiveTransport {
 MOVES: Solute
 USING: EnergyCoupledMechanism
}

PROCESS PassiveTransport {
 MOVES: Solute
 WITHOUT_DIRECT_METABOLIC_ENERGY_INPUT
}

ENTITY ProtonGradient {
 MAY_DRIVE: SecondaryActiveTransport
 ACROSS: PlantCellMembrane
}

ENTITY PlantCellMetabolism {
 INCLUDES: [Photosynthesis, CellularRespiration, Biosynthesis, Catabolism]
}

PROCESS CellularRespiration {
 MAY_INCLUDE: [Glycolysis, CitricAcidCycle, OxidativePhosphorylation]
 PRODUCES: ATP
}

ENTITY Peroxisome {
 PARTICIPATES_IN: [LipidMetabolism, ReactiveOxygenMetabolism, Photorespiration]
}

PROCESS Photorespiration {
 INVOLVES: [Chloroplast, Peroxisome, Mitochondrion]
 IN: PhotosyntheticPlantCells
}

ENTITY PlantCellSignal {
 MAY_BE: [HormoneSignal, LightSignal, MechanicalSignal, StressSignal, PathogenSignal]
}

PROCESS PlantCellSignalTransduction {
 CONVERTS: Signal
 INTO: CellularResponse
}

ENTITY Receptor {
 DETECTS_OR_BINDS: Signal
 MAY_INITIATE: SignalTransduction
}

ENTITY CalciumSignal {
 USES: CytosolicCalciumChange
 AS: IntracellularSignal
}

ENTITY ReactiveOxygenSpecies {
 ABBREVIATION: ROS
 MAY_ACT_AS: [StressSignal, MetabolicByproduct]
}

RULE SignalConstraint {
 signal_marker_change != demonstrated_signalling_function
 WITHOUT temporal_and_perturbation_evidence
}

PROCESS PlantCellGrowth {
 INCREASES: CellVolumeOrBiomass
 MAY_REQUIRE: [CellWallLoosening, WaterUptake, Biosynthesis]
}

PROCESS CellExpansion {
 INCREASES: CellSize
 THROUGH: CoordinatedWallAndTurgorProcesses
}

ENTITY CellWallLoosening {
 REDUCES: MechanicalConstraintOnExpansion
}

PROCESS PlantCellDivision {
 PRODUCES: DaughterCells
 MAY_INCLUDE: [Mitosis, Cytokinesis]
}

PROCESS Mitosis {
 SEGREGATES: DuplicatedChromosomes
}

PROCESS PlantCytokinesis {
 FORMS: CellPlate
 BETWEEN: DaughterNuclei
}

ENTITY CellPlate {
 DEVELOPS_INTO: NewCellWallRegion
}

ENTITY Phragmoplast {
 GUIDES: CellPlateFormation
 DURING: PlantCytokinesis
}

RULE GrowthDivisionDistinction {
 PlantCellGrowth != PlantCellDivision
}

PROCESS PlantCellDifferentiation {
 TRANSITIONS: PlantCell
 TOWARD: SpecializedCellState
}

ENTITY SpecializedPlantCell {
 MAY_BE: [GuardCell, RootHairCell, TrachearyElement, SieveElement, MesophyllCell]
}

ENTITY GuardCell {
 REGULATES: StomatalAperture
}

ENTITY RootHairCell {
 INCREASES: RootAbsorptiveSurface
}

ENTITY TrachearyElement {
 IS_A: XylemCellType
 PARTICIPATES_IN: WaterTransport
}

ENTITY SieveElement {
 IS_A: PhloemCellType
 PARTICIPATES_IN: OrganicSoluteTransport
}

ENTITY MesophyllCell {
 MAY_HAVE: HighChloroplastAbundance
 PARTICIPATES_IN: LeafPhotosynthesis
}

ENTITY PlantCellGenome {
 INCLUDES: [NuclearGenome, PlastidGenome, MitochondrialGenome]
}

ENTITY PlantGene {
 PART_OF: PlantCellGenome
 MAY_ENCODE: [Protein, FunctionalRNA]
}

PROCESS PlantGeneExpression {
 INCLUDES: [Transcription, RNAProcessing, Translation]
}

PROCESS PlantGeneRegulation {
 MODULATES: GeneExpression
 IN_RESPONSE_TO: [Development, Hormone, Light, Stress, CellType]
}

ENTITY EpigeneticState {
 MAY_MODULATE: PlantGeneExpression
}

PROCESS DNA_Methylation {
 MAY_CHANGE: GeneRegulatoryState
}

PROCESS HistoneModification {
 MAY_CHANGE: ChromatinState
}

RULE GeneFunctionConstraint {
 gene_expression != causal_gene_function
 WITHOUT functional_or_perturbation_evidence
}

PROCESS PlantCellStressResponse {
 MAY_RESPOND_TO: [Drought, Salinity, Heat, Cold, OxidativeStress, Pathogen]
}

PROCESS OsmoticAdjustment {
 CHANGES: CellularSoluteState
 MAY_SUPPORT: WaterBalance
}

PROCESS AntioxidantResponse {
 MODULATES: ReactiveOxygenSpecies
}

PROCESS PlantCellImmuneResponse {
 DETECTS_AND_RESPONDS_TO: PathogenAssociatedOrDamageSignals
}

ENTITY CellDeath {
 MAY_BE: [ProgrammedCellDeath, InjuryAssociatedDeath]
}

PROCESS ProgrammedCellDeath {
 REMOVES: PlantCell
 DURING: [Development, Defense, StressResponse]
}

PROCESS PlantCellMeasurement {
 MAY_MEASURE: [CellSize, Turgor, MembranePotential, IonConcentration, PhotosyntheticActivity, GeneExpression, OrganelleState, CellWallComposition]
 MAY_USE: [Microscopy, FluorescenceImaging, Electrophysiology, Spectroscopy, Sequencing, BiochemicalAssay]
}

ENTITY PlantCellMeasurementContext {
 HAS: [PlantTaxon, CellType, Tissue, DevelopmentalStage, EnvironmentalState, Method, Unit, Timepoint]
}

RULE MeasurementContextRule {
 IF plant_cell_measurements ARE_COMPARED
 THEN PlantCellMeasurementContext MUST_BE preserved
}

ENTITY Evidence {
 TYPES: [CellBiologyEvidence, MicroscopyEvidence, UltrastructuralEvidence, PhysiologicalEvidence, MolecularEvidence, GeneticEvidence, BiochemicalEvidence, ImagingEvidence, DevelopmentalEvidence, StressEvidence, ExperimentalEvidence, ComputationalEvidence, LiteratureEvidence]
}

RULE EvidenceConvergence {
 IF IndependentEvidenceSources AGREE
 THEN Confidence := increase(Confidence)
}

RULE EvidenceConflict {
 IF EvidenceSources CONFLICT
 THEN {
  PRESERVE competing_plant_cell_models
  RECORD plant_taxon
  RECORD cell_type
  RECORD tissue
  RECORD developmental_stage
  RECORD environmental_state
  RECORD measurement_method
  RECORD timepoint
  RECORD provenance
  REDUCE confidence
 }
}

RELATION PlantCell HAS PlantCellWall
RELATION PlantCell HAS PlasmaMembrane
RELATION PlantCell HAS Nucleus
RELATION PlantCell MAY_HAVE Chloroplast
RELATION PlantCell MAY_HAVE CentralVacuole
RELATION Chloroplast PERFORMS Photosynthesis
RELATION Mitochondrion PERFORMS CellularRespiration
RELATION Plasmodesma CONNECTS AdjacentPlantCells
RELATION Tonoplast BOUNDS Vacuole
RELATION PlantCellDivision PRODUCES DaughterCells

SEMANTIC_EQUIVALENCE {
 "plant cell" ~= "eukaryotic cell belonging to a plant"
 "plant cell wall" ~= "extracellular structural wall surrounding plant plasma membrane"
 "central vacuole" ~= "large vacuolar compartment of many mature plant cells"
 "plasmodesmata" ~= "intercellular channels connecting adjacent plant cells"
 "symplast" ~= "cytoplasmic continuum connected by plasmodesmata"
 "apoplast" ~= "cell-wall and extracellular transport continuum"
 "ROS" ~= "reactive oxygen species"
}

CONFIDENCE PlantCellAssertion {
 INPUTS: [microscopy_support, ultrastructural_support, physiological_support, molecular_support, genetic_support, biochemical_support, imaging_support, developmental_support, experimental_support, source_independence, semantic_consistency]
 SCORE := weighted_sum(INPUTS)
 LEVEL :=
  IF SCORE >= 0.90 THEN "very_high"
  ELSE IF SCORE >= 0.75 THEN "high"
  ELSE IF SCORE >= 0.55 THEN "moderate"
  ELSE IF SCORE >= 0.35 THEN "low"
  ELSE "uncertain"
}

RULE OrganelleInference {
 IF structure_location_molecular_markers_and_function converge
 THEN organelle_identity MAY_BE_SUPPORTED
}

RULE PhotosyntheticCellInference {
 IF chloroplast_structure
 AND photosynthetic_electron_transfer
 AND carbon_fixation ARE_SUPPORTED
 THEN photosynthetic_plant_cell_state MAY_BE_SUPPORTED
}

RULE TransportInference {
 IF tracer_or_flux_evidence shows movement_through plasmodesmata_or_apoplast
 THEN corresponding_transport_pathway MAY_BE_SUPPORTED
}

RULE DifferentiationInference {
 IF precursor_cell transitions_to stable_specialized_structure_and_function
 THEN PlantCellDifferentiation MAY_BE_SUPPORTED
}

RULE CausalityConstraint {
 IF plant_cell_marker correlates_with cellular_response
 THEN DO_NOT_INFER causal_relationship
 WITHOUT temporal_mechanistic_or_interventional_evidence
}

QUERY PlantCellLookup(cell_identifier) {
 RETURN [cell_type, tissue, cell_wall, membrane, nucleus, plastids, vacuole, mitochondria, transport, metabolism, signalling, growth, division, differentiation, evidence, confidence]
}

QUERY PlantOrganelleLookup(organelle_identifier) {
 RETURN [organelle_type, structure, molecular_components, genome_if_present, metabolic_functions, transport_relationships, developmental_state, evidence, confidence]
}

QUERY PlantCellTransportLookup(context_identifier) {
 RETURN [membrane_transport, symplastic_transport, apoplastic_transport, water_potential, ion_gradients, transport_proteins, environmental_context, evidence, confidence]
}

UPDATE_MODEL {
 ON new_plant_cell_evidence:
  validate_provenance()
  identify_plant_taxon_cell_type_tissue_and_developmental_context()
  normalize_organelle_gene_metabolite_and_transport_identifiers()
  capture_environmental_state()
  capture_measurement_method_units_and_timepoint()
  map_cell_wall_membrane_organelle_and_compartment_relationships()
  map_photosynthesis_respiration_and_metabolic_processes()
  map_symplastic_apoplastic_and_membrane_transport()
  map_growth_division_differentiation_and_gene_regulation()
  map_signalling_stress_and_immune_responses()
  compare_existing_plant_cell_models()
  preserve_conflicting_evidence()
  recalculate_confidence()
  regenerate_plant_cell_relationships()
  update_flow_hash()
}

AI_CONSUMPTION {
 MODE: FormalSemanticReasoning
 PARSE_AS: ExecutableFlowAlgebra
 PRIORITIES: [plant_cell_identity, cell_type, cell_wall, membrane, organelles, photosynthesis, respiration, vacuole, transport, growth, division, differentiation, evidence_provenance, confidence]
 REQUIREMENTS: [preserve_plant_taxon_cell_type_tissue_and_developmental_context, preserve_environmental_and_measurement_context, distinguish_cell_wall_from_plasma_membrane, distinguish_photosynthesis_from_respiration, distinguish_symplast_from_apoplast, distinguish_turgor_pressure_from_osmotic_pressure, distinguish_cell_growth_from_cell_division, distinguish_gene_expression_from_causal_function, distinguish_signal_marker_from_signalling_function, distinguish_correlation_from_causation, preserve_uncertainty]
}

VALIDATE {
 REQUIRE PlantCell
 REQUIRE PlasmaMembrane
 REQUIRE PlantCellWall
 REQUIRE Nucleus
 REQUIRE Chloroplast
 REQUIRE Vacuole
 REQUIRE Mitochondrion
 REQUIRE Plasmodesma
 REQUIRE Photosynthesis
 REQUIRE CellularRespiration
 REQUIRE PlantCellGrowth
 REQUIRE PlantCellDivision
 REQUIRE PlantCellDifferentiation
 REQUIRE PlantCellMeasurement
 REQUIRE Evidence
 REQUIRE CONFIDENCE
 REQUIRE SEMANTIC_EQUIVALENCE
 REQUIRE UPDATE_MODEL
 REQUIRE AI_CONSUMPTION

 ASSERT PlantCellWall != PlasmaMembrane
 ASSERT Photosynthesis != CellularRespiration
 ASSERT Symplast != Apoplast
 ASSERT turgor_pressure != osmotic_pressure
 ASSERT PlantCellGrowth != PlantCellDivision
 ASSERT gene_expression != causal_gene_function
 ASSERT signal_marker_change != demonstrated_signalling_function
 ASSERT correlation != causal_relationship
}

FLOW_HASH {
 ALGORITHM: SHA-256
 INPUT: canonicalize(entities, relations, processes, rules, semantic_equivalence, confidence_model, update_model, ai_consumption)
 PURPOSE: integrity_and_version_tracking
}

END flow "PlantCellOntology"