{"id": "card_floor_tree_of_life", "kind": "note", "title": "The tree of life — chains from LUCA, homologous genes where domains meet", "body": "The tree of life as a floor on the one map, the exact parallel of the Indo-European floor. The floor is LUCA, the last universal common ancestor. The trees are the three DOMAINS (Bacteria, Archaea, Eukaryota). A universal GENE - the small-subunit ribosomal RNA, elongation factor, ATP synthase, the aminoacyl-tRNA synthetases - is the confluence where the domains meet, descended from one ancestral gene, as 'father' is the cognate shared by every Indo-European branch. The chain's rule is molecular evolution. The homologies are attested; the ancestral sequences are reconstructions - postulates, cited, never sealed. Found, never generated (tools/seed_tree_of_life.py).", "source": {"label": "Narrow Highway — the tree of life (molecular phylogenetics)", "url": "", "ref": "stick_genomics_the_genetic_code_verified_and_sealed", "authority_tier": "engine_derived"}, "shelf": "codex", "box": "floor", "bands": ["floor", "tree of life", "phylogeny", "genomics", "two trees", "biology", "one map"], "subject": "The tree of life", "connections": [{"to_card_id": "card_k_floor_of_discovery", "relationship": "part_of", "evidence": "the tree of life rests on the one Floor of Discovery"}, {"to_card_id": "card_tol_domain_bacteria", "relationship": "has_part", "evidence": "a domain (branch) of the tree of life: Bacteria"}, {"to_card_id": "card_tol_domain_archaea", "relationship": "has_part", "evidence": "a domain (branch) of the tree of life: Archaea"}, {"to_card_id": "card_tol_domain_eukaryota", "relationship": "has_part", "evidence": "a domain (branch) of the tree of life: Eukaryota"}, {"to_card_id": "card_capstone_one_source", "relationship": "connects_at", "evidence": "one source in biology: all life from one root (LUCA), homologous genes the confluences"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.floor", "facets": {"subject": ["biology", "genomics", "one map", "phylogeny", "tree of life", "two trees"]}, "presentation": {"glyph": "•", "kind_label": "floor", "by": "Narrow Highway — the tree of life (molecular phylogenetics)", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_k_floor_of_discovery", "title": "The Floor of Discovery — one floor, and by its design the fear of God", "relationship": "part of", "why": "the tree of life rests on the one Floor of Discovery", "href": "/card/card_k_floor_of_discovery", "resolved": true}, {"id": "card_tol_domain_bacteria", "title": "Bacteria — a domain of life", "relationship": "has part", "why": "a domain (branch) of the tree of life: Bacteria", "href": "/card/card_tol_domain_bacteria", "resolved": true}, {"id": "card_tol_domain_archaea", "title": "Archaea — a domain of life", "relationship": "has part", "why": "a domain (branch) of the tree of life: Archaea", "href": "/card/card_tol_domain_archaea", "resolved": true}, {"id": "card_tol_domain_eukaryota", "title": "Eukaryota — a domain of life", "relationship": "has part", "why": "a domain (branch) of the tree of life: Eukaryota", "href": "/card/card_tol_domain_eukaryota", "resolved": true}, {"id": "card_capstone_one_source", "title": "One source, many potentials, one end", "relationship": "connects at", "why": "one source in biology: all life from one root (LUCA), homologous genes the confluences", "href": "/card/card_capstone_one_source", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_floor_tree_of_life", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_floor_tree_of_life"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}