Current Affairs

De-extinction biotechnology and biodiversity conservation ethics

Source:The Hindu ↗

Why It Matters

Evaluates the ecological feasibility and ethical considerations of emerging biotechnology applications (like de-extinction) in addressing climate change versus prioritizing traditional biodiversity conservation.

Summary

The editorial critiques speculative 'de-extinction' projects, such as efforts to resurrect the woolly mammoth using gene-editing technology to purportedly fight global warming. It argues that these high-cost, high-risk endeavors divert crucial attention and funding away from urgent conservation initiatives needed to protect currently endangered species and their habitats. The piece advocates for prioritizing immediate ecological preservation over resurrecting species into degraded ecosystems, while calling for strict guidelines on environmental gene editing to prevent unforeseen ecological and ethical consequences.

Key Points

  • Colossal Biosciences plans to use gene-editing technology to 'resurrect' the woolly mammoth and introduce it to the Arctic tundra, theorizing this could help reduce permafrost thaw and methane emissions.
  • Critics argue that de-extinction is an ecologically and ethically unsound distraction that diverts millions of dollars away from traditional conservation efforts for currently endangered species.
  • Resurrected species would likely lack their native habitats, microbial ecosystems, and behavioral survival instincts, fundamentally compromising their existence.
  • The article calls for strict global guidelines and oversight regarding the use of gene-editing technologies outside the human health sector to prevent unregulated and potentially harmful environmental applications.

Important Terms

De-extinction

The scientific process of resurrecting extinct species using biotechnologies like gene editing and cloning to create organisms that resemble or are genetically identical to lost species.

UPSC context

GS III (Environment/S&T); tests knowledge of innovative conservation, biodiversity loss, and ethical dilemmas in biotechnology.

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Colossal Biosciences

A US-based biotechnology firm aiming to revive species like the woolly mammoth and Tasmanian tiger using CRISPR technology to restore ecosystems and mitigate climate change.

UPSC context

GS III (S&T); relevant for private sector roles in high-tech conservation and environmental ethics.

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CRISPR-Cas9

A precise gene-editing tool allowing scientists to modify DNA sequences; used in de-extinction to insert ancient genetic traits into the genomes of modern relatives.

UPSC context

GS III (S&T); essential concept for questions on genome editing, biosafety, and scientific breakthroughs.

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Ecological Proxy

An organism, often genetically engineered, intended to fulfill the ecological functions of an extinct species rather than being an exact genetic replica.

UPSC context

GS III (Environment); tests conceptual clarity on functional biodiversity and ecosystem-based restoration strategies.

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Synthetic Biology

An interdisciplinary field that redesigns biological systems or creates new biological parts; it provides the foundational techniques required for de-extinction and advanced conservation.

UPSC context

GS III (S&T); a syllabus-linked area testing knowledge of emerging technologies and their ecological impacts.

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Rewilding

A conservation strategy focused on restoring natural processes and wilderness, often by reintroducing keystone or proxy species to revive degraded ecosystems.

UPSC context

GS III (Environment); key concept for wildlife management and biodiversity restoration strategies.

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Prelims Trap

De-extinction projects use CRISPR to produce genetically identical clones of extinct species.

Gene editing does not create true clones of extinct species. It creates genetic 'proxies' by splicing ancient DNA into the genome of a living relative.

Static Concepts Connected

Science & Technology (Biotechnology)

How are Site-Directed Nuclease (SDN) technologies categorized and regulated in India?

  • SDN-1 and SDN-2: Involve minor edits or mutations without introducing foreign genetic material. India exempts these from stringent GEAC transgenic regulations.
  • SDN-3 technology: Involves inserting foreign DNA into the host genome, similar to traditional GMOs, and remains strictly regulated by GEAC.
Geography & Environment

How does Arctic permafrost thawing trigger a positive climate feedback loop?

  • Massive carbon sink: Permafrost locks away vast amounts of frozen organic matter, preventing its natural decomposition for millennia.
  • Microbial decomposition: As warming thaws the ice, microbes begin to break down the organic material, releasing potent methane and carbon dioxide.
  • Climate feedback loop: These released greenhouse gases accelerate global warming, which in turn causes even more permafrost to thaw continuously.

Cross-Topic Patterns

  • Biotech moral hazard in conservation

    Similar to geoengineering debates, speculative high-tech fixes like de-extinction risk diverting crucial funding and policy focus away from immediate habitat protection and emissions reduction.

  • CRISPR expanding beyond human health

    UPSC frequently tests CRISPR. Applications like environmental gene drives and de-extinction highlight the critical global regulatory vacuum for biotechnology outside standard human medical therapies.

Expect a multi-statement prelims question differentiating SDN-1/SDN-2 edits from transgenic GMOs, linked to ecological gene-editing risks.

Linked PYQs · 3

Linked PYQs · 3

  • 2019PrelimsGS1

    What is Cas9 protein that is often mentioned in news?

  • 2019PrelimsGS1

    Which of the following statements are correct about the deposits of 'methane hydrate'? 1. Global warming might trigger the release of methane gas from these deposits. 2. Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor. 3. Methane in atmosphere oxidizes to carbon dioxide after a decade or two. Select the correct answer using the code given below.

  • 2021MainsGS3

    What are the research and developmental achievements in applied biotechnology? How will these achievements help to uplift the poorer sections of the society?