De-extinction & conservation biotech

De-extinction and conservation biotech apply genome editing, cryobanking and assisted reproduction to revive lost species and rescue living ones whose genetic diversity is depleted. Colossal Biosciences has produced three living dire wolves by editing gray wolves (Romulus and Remus born October 2024, Khaleesi January 2025), with its mammoth program targeting around 85 elephant-genome edits toward a 2028 live birth. The San Diego Zoo Frozen Zoo — the largest systematic cryobank of its kind — is being sequenced with Illumina across up to 4,000 samples spanning about 1,300 species. Revive & Restore’s GAIA initiative aims to finish 60+ reference genomes per week, while the UK’s Nature’s Safe has banked 300+ species since 2021 and India’s LaCONES cryopreserves material from 26 species. With monitored wildlife populations down 69% since 1970, this stack is moving from science fiction to a working conservation tool.

The key directions of de-extinction & conservation biotech are:

1. De-extinction by genome editing (De-extinction): editing living surrogate species to express traits of extinct relatives — dire wolf from gray wolf, mammoth via about 85 elephant-gene edits, plus thylacine, dodo and bluebuck programs.
2. Genetic rescue of endangered species (Genetic Rescue): restoring lost diversity and repairing deleterious alleles in living species, exemplified by the black-footed ferret and epiblast-complementation surrogacy as an alternative to cloning.
3. Cryogenic biobanking (Cryobanking): systematic frozen cell and gamete repositories — the Frozen Zoo (about 1,300 species under sequencing), Nature’s Safe (300+ species) and LaCONES (26 species) — act as a long-term insurance policy.
4. AI conservation genomics (AI Conservation Genomics): the GAIA initiative’s Jarvis tool finishes 60+ reference genomes per week and Genera acts as an AI conservation concierge, building on reference-genome programs like the giant-panda genome.

Sectoral value chain#

[Sample & genome] ──> [Editing] ──> [Cryobanking] ──> [Assisted reproduction]
                          │
                  (CRISPR + stem cells + ART)
                          │
                          ▼
[Reintroduction] <─── [Rearing & ex-situ population] <─────┘

Value chain levels#

Cross-cutting technologies of the sector:

• Multiplex genome editing (Multiplex CRISPR): simultaneous editing of dozens of loci to reconstruct extinct traits in a living surrogate.
• Cryopreservation & biobanking (Cryobanking): liquid-nitrogen storage of cells, gametes and tissues with thaw-and-culture regeneration.
• AI conservation genomics & forensics (AI Genomics & Forensics): reference-genome finishing and wildlife-DNA forensics for anti-poaching and trade enforcement.

The conservation-biotech stack fuses multiplex genome editing, reproductive technology and AI genomics to move species recovery from cryopreserved cells to living, breeding animals.

1. Multiplex genome editing for de-extinction (Multiplex CRISPR):
   • Gray wolves were edited to express dire-wolf traits, yielding three living animals (Romulus and Remus, October 2024; Khaleesi, January 2025); the mammoth program targets around 85 elephant-genome edits toward a 2028 live birth.
   • Large-DNA-segment insertion and multiplex editing underpin the thylacine, dodo and bluebuck programs, supported by a 95-person scientific advisory board.
2. Cryobanking & assisted reproduction (Cryobanking & ART):
   • The Frozen Zoo’s systematic cryopreservation is being sequenced across up to 4,000 samples and about 1,300 species with Illumina, unlocking genomes from 50-year-old samples.
   • Epiblast complementation — growing an embryo of one species inside another using stem cells — offers a cloning alternative, alongside IVF and somatic-cell nuclear transfer.
3. AI conservation genomics & forensics (AI Genomics & Forensics):
   • GAIA’s Jarvis finishes 60+ reference genomes per week and Genera serves as an AI conservation concierge; BGI’s giant-panda genome and 1000-genomes project anchor reference datasets.
   • Wildlife-DNA forensics (CCMB’s Universal Primer) identifies species from minute meat, bone or hair samples, supporting anti-poaching and illegal-trade enforcement.