chemoorganoheterotrophic
METPO:1000640 · CLASS · REVIEWED
A trophic type in which an organism obtains both energy and carbon from organic compounds through oxidation.
Chemoorganoheterotrophic organic energy and carbon metabolism
Edge evidence
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chemoorganoheterotrophic
uses chemical energy source
organic molecule
Chemoorganoheterotrophs derive energy from organic molecules.
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DOI:10.1021/acsomega.3c02205organic molecules ... energy source
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chemoorganoheterotrophic
uses electron donor
organic molecule
METPO:2000009Organic molecules serve as electron sources.
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DOI:10.1021/acsomega.3c02205organic molecules ... electron source
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chemoorganoheterotrophic
uses carbon source
organic molecule
METPO:2000006Organic molecules serve as carbon sources.
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DOI:10.1016/B978-012373944-5.00083-3reduced organic compound
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organic molecule
broken down by
catabolism
Catabolism breaks down organic nutrients for energy and precursors.
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DOI:10.1016/B978-012373944-5.00083-3breakdown of nutrients
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catabolism
can proceed through
respiration
Organic catabolism can conserve energy through respiration.
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DOI:10.1016/j.bbabio.2008.09.008membrane-bound electron transport chain
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catabolism
can proceed through
fermentation
Organic catabolism can conserve energy through fermentation.
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DOI:10.1111/1751-7915.13746substrate-level phosphorylation
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respiration
produces
ATP
METPO:2000202Respiratory electron transport supports ATP synthesis.
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DOI:10.1016/j.bbabio.2008.09.008drives ATP synthesis
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fermentation
produces
ATP
METPO:2000202Fermentation can produce ATP by substrate-level phosphorylation.
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DOI:10.1111/1751-7915.13746substrate-level phosphorylation
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catabolism
produces
precursor metabolites
METPO:2000202Catabolism yields intermediates that feed biosynthesis.
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DOI:10.1016/B978-012373944-5.00083-3precursor compounds for anabolism
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precursor metabolites
incorporated into
biomass
biolink:part_ofPrecursor metabolites are incorporated into cell material.
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DOI:10.1016/B978-012373944-5.00083-3incorporation of a compound into biomass
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substrate transport system
enables
chemoorganoheterotrophic
RO:0002327Import of organic substrates by transport systems enables chemoorganoheterotrophic growth.
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DOI:10.1021/acsomega.3c02205
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organic molecule
is required for
ATP and NAD(P)H
Imported organic substrate must be metabolized to synthesize ATP and NAD(P)H.
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DOI:10.1021/acsomega.3c02205
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organic molecule
primarily supplies
intracellular energy metabolism
Organic carbon uptake primarily supplies microbial energy demand.
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DOI:10.1111/gcb.16925
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extracellular carbohydrate-active enzymes
hydrolyzes
complex polysaccharides
METPO:2000013Extracellular CAZymes hydrolyze complex polysaccharides into monomers for uptake.
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DOI:10.1186/s40793-024-00572-7
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substrate transport system
feeds into
intracellular energy metabolism
Imported sugars feed into intracellular energy metabolism.
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DOI:10.1186/s40793-024-00572-7
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Provenance
- Source
- METPO (2025-11-25)
- Definition source
- DOI:10.1016/B978-012373944-5.00083-3
Parent traits (1)
Synonyms (1)
- chemoorganoheterotroph
kg-microbe context
Matched 1 kg-microbe node via direct_metpo.
METPO:1000640[-0.994, -2.623, -3.294, +0.737, …]
Nearest neighbors in embedding space
- physiology chemoorganotrophic 0.530
- physiology trophic type 0.510
- physiology hydrogenotrophic 0.493
- physiology lithoheterotrophic 0.490
- physiology chemoautotrophic 0.484
- physiology photolithoautotrophic 0.483
- physiology mixotrophic 0.482
- physiology carboxydotrophic 0.478
Curation history
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SEEDED_FROM_METPO · seed_from_metpo
imported from data/raw/metpo.owl (CLASS)
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ADDED_CAUSAL_GRAPH · codex
Added DOI-backed causal graph for organic molecules as energy, electron, and carbon sources feeding catabolism, respiration or fermentation, ATP, and biomass.
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GROUND_CAUSAL_PREDICATES · claude
Grounded 5 causal-edge predicate_id field(s) via mappings/predicate_grounding.tsv (METPO:2000202×3, METPO:2000009×1, METPO:2000006×1).
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GROUND_CAUSAL_NODES · claude
Grounded 1 causal-node grounding field(s) via mappings/node_grounding.tsv (METPO:1007501×1).
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RETYPE_CAUSAL_NODES · claude
Re-typed 1 causal-node node_type field(s) to align with CausalNodeTypeEnum semantics: biomass: BIOLOGICAL_PROCESS → CHEMICAL ×1.
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GROUND_CAUSAL_PREDICATES · claude
Grounded 1 causal-edge predicate_id field(s) via mappings/predicate_grounding.tsv (biolink:part_of×1).
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GROUND_CAUSAL_NODES · claude
Grounded 1 causal-node grounding field(s) via mappings/node_grounding.tsv (CHEBI:72695×1).
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ENRICH_CAUSAL_GRAPH · claude
Added 5 evidence-backed generic edges (5 new nodes) from the deep-research report.
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GROUND_CAUSAL_PREDICATES · claude
Grounded 1 causal-edge predicate_id field(s) via mappings/predicate_grounding.tsv (RO:0002327×1).
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GROUND_CAUSAL_PREDICATES · claude
Grounded 1 causal-edge predicate_id field(s) via mappings/predicate_grounding.tsv (METPO:2000013×1).