De-extinction & conservation biotech

01Overview and value chain

Markers: [EC: CBD Kunming-Montreal Global Biodiversity Framework & IUCN conservation-translocation guidelines | OECD: environmental-biotech | Regulator: USDA-APHIS (US), EFSA (EU), MOA (CN)]

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.

02US

The United States leads de-extinction and conservation biotech, anchored by Colossal Biosciences’ living edited animals, Revive & Restore’s genetic-rescue toolkit and the San Diego Zoo Frozen Zoo — under USDA-APHIS and FDA oversight of animal genetic engineering.

de-extinction editing, genetic rescue, systematic cryobanking

• Colossal Biosciences (Dallas): three living dire wolves (Romulus, Remus, Khaleesi) edited from gray wolves; mammoth program (~85 elephant-gene edits, 2028 birth target), thylacine, dodo and bluebuck programs; Colossal BioVault and World Preservation Lab for genetic-material storage.
• Revive & Restore: the GAIA initiative (Jarvis finishing 60+ reference genomes/week, Genera AI concierge) funded by a $2M Bezos Earth Fund grant; black-footed ferret genetic rescue and epiblast complementation as a cloning alternative.
• San Diego Zoo Wildlife Alliance (Frozen Zoo): the world’s largest systematic wildlife cryobank, sequencing up to 4,000 samples across about 1,300 species with Illumina (announced Feb 2026), with a commitment to lead global endangered-species banking by 2075.

03CN

China contributes world-scale conservation genomics, building reference genomes for iconic endangered species and operating national gene-bank infrastructure under BGI.

reference genomes, panda genome, 1000 genomes project

• BGI Genomics (深圳, 300676.SZ): produced the giant-panda genome (2010 Nature cover, the first genome assembled entirely with next-generation synthesis sequencing) and launched the 1000 Plant and Animal Genome Project to build reference genomes for conservation and breeding.
• National GeneBank infrastructure: cryopreservation and sequencing platforms that anchor domestic conservation-genomics programs for giant pandas and other protected species.
• Academic conservation genomics: CAS institutes (Kunming Institute of Zoology, others) collaborate on reference genomes and population genetics for endangered Chinese fauna.

04EU

The European Union combines a strong regulatory regime for genetic engineering (EFSA GMO assessment) with a growing network of charitable and national cryobanks for endangered species.

living biobank, cryoconservation hubs, butterfly egg cryopreservation

• Nature’s SAFE (Shropshire, UK): a charitable Living Biobank that has preserved 300+ species since 2021 (300th: the lemur leaf frog, May 2025), working with 64 conservation partners and expanding to Kenya and Tanzania.
• CryoArks: the UK national biobank network for endangered-species cryopreservation, linking zoo and museum collections into a distributed frozen repository.
• Research partnerships: collaborations such as Anglia Ruskin University and Jimmy’s Farm testing cryopreservation of British Swallowtail butterfly eggs for future rearing and reintroduction.

05Leading companies and research institutes

06Tech stack and innovations

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.

07Value chains and production pipelines

Industrial pipeline of de-extinction & conservation biotech (IUCN / CBD-GBF)

┌───────────────────────────┐      ┌───────────────────────────┐
│ 1. Sample & genome capture│ ───> │ 2. Comparative editing    │
└───────────────────────────┘      └───────────────────────────┘
                                                  │
                                                  ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 4. Assisted reproduction  │ <─── │ 3. Cryobank & cell culture│
└───────────────────────────┘      └───────────────────────────┘
               │
               ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 5. Rearing & ex-situ pop. │ ───> │ 6. Reintroduction & monitor│
└───────────────────────────┘      └───────────────────────────┘

Stage 1: Sample & genome capture

Museum and ancient DNA, frozen tissue from biobanks, and living biopsies are sequenced and assembled into reference genomes that define the extinct or endangered target’s genetic blueprint.

Stage 2: Comparative editing

Comparative genomics identifies the trait-bearing loci separating the extinct relative from a living surrogate, which is then multiplex-CRISPR-edited (around 85 genes for the mammoth) to recover those traits in surrogate cells.

Stage 3: Cryobank & cell culture

Cells, gametes and tissues are banked in liquid nitrogen and expanded as thawable lines — the Frozen Zoo, Nature’s Safe and LaCONES hold material from 1,300+, 300+ and 26 species respectively.

Stage 4: Assisted reproduction

Edited cells are converted into embryos through IVF, somatic-cell nuclear transfer (cloning) or epiblast complementation, then implanted in surrogate mothers to establish pregnancies.

Stage 5: Rearing & ex-situ population

Neonates are born (the three dire wolves since October 2024) and raised into managed ex-situ populations that preserve the recovered traits and build breeding stock.

Stage 6: Reintroduction & monitoring

Once populations are robust and habitats secured, animals are reintroduced and monitored — under IUCN conservation-translocation guidelines — to restore ecological function and report against CBD biodiversity targets.