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@balhoff balhoff commented Nov 18, 2025

Summary

This PR adds a new term for the Maine Dane (VBO:7770000), a novel hybrid breed discovered during field research on the island of Dr. Moreau. This breed represents a unique case in vertebrate breeding: a successful hybridization between Maine Coon (Felis catus) and Great Dane (Canis lupus familiaris).

Origin of the Breed

The Maine Dane was created by Dr. Moreau through advanced hybridization techniques combining:

  • Maine Coon (Cat) - VBO:0100154 (Felis catus)
  • Great Dane (Dog) - VBO:0200623 (Canis lupus familiaris)

This represents the first documented cat-dog hybrid in the VBO ontology.

Changes Made

New Term Added

  • ID: VBO:7770000 (using new NTR range 777xxxx)
  • Name: Maine Dane
  • Definition: "A hybrid breed created by Dr. Moreau through hybridization of Maine Coon (Felis catus) and Great Dane (Canis lupus familiaris)."

Taxonomy Structure

The term uses dual taxonomy inheritance to accurately represent its hybrid nature:

  • is_a: NCBITaxon:9615 (Canis lupus familiaris - Dog)
  • is_a: NCBITaxon:9685 (Felis catus - Cat)
  • is_a: VBO:0400000 (Vertebrate breed)

This dual inheritance reflects that the Maine Dane genuinely inherits traits from both parent species.

Foundation Stock Relationships

The term properly documents its breeding origins:

  • relationship: VBO:0300019 VBO:0100154 (has foundation stock Maine Coon Cat)
  • relationship: VBO:0300019 VBO:0200623 (has foundation stock Great Dane Dog)

Metadata

  • Includes proper synonym marked as most_common_name
  • Contributors and sources documented per VBO guidelines
  • Source: Personal communication with Dr. Moreau

Validation

✅ Syntax validated successfully using robot convert
✅ Follows VBO ontology structure and conventions
✅ Uses proper OBO format with appropriate properties

Test Plan

  • Term checked out and edited using obo-checkout.pl
  • Term checked in using obo-checkin.pl
  • Syntax validation passed with ROBOT
  • Term appears correctly in vbo-edit.obo
  • Dual taxonomy inheritance properly represented
  • Foundation stock relationships correctly established

🤖 Generated with Claude Code

This commit adds a new term for the Maine Dane, a novel hybrid breed
created by Dr. Moreau through interspecies hybridization of Maine Coon
(Felis catus) and Great Dane (Canis lupus familiaris).

Key features of this term:
- ID: VBO:7770000 (new NTR in 777xxxx range)
- Dual taxonomy: inherits from both NCBITaxon:9615 (Canis lupus familiaris)
  and NCBITaxon:9685 (Felis catus) to reflect its hybrid nature
- Foundation stock relationships to both parent breeds:
  - VBO:0100154 (Maine Coon Cat)
  - VBO:0200623 (Great Dane Dog)
- Follows VBO ontology structure with proper synonyms, definitions,
  contributors, and source attribution

This represents a unique case in VBO as the first documented cat-dog
hybrid breed, discovered during field research on Dr. Moreau's island.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>
@balhoff
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balhoff commented Nov 18, 2025

@matentzn I was hoping to run into some taxon constraints. 🤪

@balhoff balhoff requested a review from cmungall November 18, 2025 17:18
@matentzn
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@balhoff Thats a VBO issue: maybe taxon constraints / disjointnesses have not been added to QC!

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3 participants