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Subject: Biotech and Medical Sciences

  • Bio Safety Level 4 Containment Facility in Gandhinagar

    Why in the News?

    Union Home Minister Amit Shah laid the foundation stone of a Bio Safety Level 4 Containment Facility in Gandhinagar, describing it as a national health shield and a major step towards advanced health security and biotechnology.

    What is a BSL-4 Facility?

    • Bio Safety Level 4 is the highest level of biological containment
    • Designed to handle extremely dangerous and lethal pathogens
    • Pathogens are often
      • Highly infectious
      • Transmitted via air or contact
      • Without proven vaccines or treatments
    • Work conducted under strict international biosafety protocols
    • Scientists wear positive pressure suits and work in sealed environments

    Pathogens to be Studied at Gandhinagar Facility

    • Ebola virus, Marburg virus, Crimean-Congo Hemorrhagic Fever virus, Kyasanur Forest Disease virus, and Nipah virus

    BSL Facilities in India

    • Only civilian BSL 4 lab currently operational at National Institute of Virology
    • Defence BSL 4 lab established by DRDO in Gwalior in 2024
    • High security animal disease labs
      • National Institute of High Security Animal Diseases with ABSL 3 plus
      • International Centre for Foot and Mouth Disease with ABSL 3Ag

    Prelims Pointers

    • BSL 4 is the highest biosafety level
    • Handles lethal and exotic pathogens
    • Gandhinagar lab is
      • Second civilian BSL 4 in India
      • First fully state funded BSL 4 facility
    • Supports One Health approach linking human and animal health
    • Enhances India’s pandemic readiness and biotech capacity
    [2021] Consider the following: 

    1. Bacteria 

    2. Fungi 

    3. Virus

    Which of the above can be cultured in artificial/synthetic medium? 

    (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

  • What is futuristic marine and space biotechnology

    Why in the News?

    India is exploring marine and space biotechnology to reduce dependence on imported bio-resources and better use extreme ecosystems. Despite having over 11,000 km of coastline and an Exclusive Economic Zone of more than 2 million sq km, domestic output remains limited, with seaweed production at around 70,000 tonnes annually. India still imports agar, carrageenan, and alginates, even though these can be produced locally. Initiatives such as the Deep Ocean Mission signal a shift from conventional coastal extraction to technology-driven biomanufacturing by linking marine biology with space research.

    What is Marine Biotechnology and Why is it Strategic?

    1. Definition: Studies marine microorganisms, algae, and animals to extract enzymes, bioactive compounds, biomaterials, and biostimulants.
    2. Industrial relevance: Supports production of food ingredients, pharmaceuticals, cosmetics, chemicals, and biofuels.
    3. Adaptive advantage: Marine organisms evolve under high pressure, low light, salinity, and low oxygen, producing novel biochemical pathways.
    4. Strategic gap: India imports seaweed-based inputs despite possessing rich marine biodiversity.

    What is Space Biotechnology and How is it Distinct?

    1. Definition: Examines biological processes under microgravity and radiation conditions.
    2. Research focus: Studies microbial behaviour, plant growth, human metabolism, and cellular regeneration in space.
    3. Industrial application: Enables advances in drug discovery, human health management, life-support systems, and bio-manufacturing in extreme environments.
    4. Institutional role: ISRO conducts microgravity experiments on microbes, algae, and biological systems.

    Why Does India Need Futuristic Marine and Space Biotechnology?

    1. Resource underutilisation: Vast EEZ remains biologically rich but economically underexploited.
    2. Import dependence: Relies on foreign suppliers for marine bio-compounds used in food and pharma.
    3. Biomanufacturing ambition: Supports transition from raw biomass extraction to value-added bio-industries.
    4. Sustainability imperative: Reduces pressure on terrestrial resources and supports circular bioeconomy.

    Where Does India Stand Today?

    1. Marine biomass production: Seaweed cultivation remains limited at ~70,000 tonnes annually.
    2. Policy push: Deep Ocean Mission supports exploration and sustainable use of deep-sea bioresources.
    3. Institutional ecosystem: ICAR-Central Marine Fisheries Research Institute and state initiatives (e.g., Gujarat) promote seaweed cultivation and marine bio-products.
    4. Space research: ISRO integrates biotechnology experiments into space missions.

    How Does Convergence of Marine and Space Biotechnology Create Value?

    1. Extreme biology: Enables understanding of life under pressure, radiation, and nutrient stress.
    2. Innovation pathway: Facilitates discovery of new enzymes, stress-resistant microbes, and regenerative mechanisms.
    3. Industrial scalability: Supports next-generation bioreactors, biofuels, and medical applications.
    4. Strategic positioning: Aligns India with global bioeconomy and frontier science trends.

    Conclusion

    Futuristic marine and space biotechnology offers India a technology-led pathway to convert ecological abundance into economic and strategic advantage. By integrating deep-sea exploration with space-based biological research, India can reduce import dependence, strengthen biomanufacturing capacity, and emerge as a global hub for bio-based industries, while ensuring sustainability and scientific leadership.

    PYQ Relevance

    [UPSC 2018] Why is there so much activity in the field of biotechnology in our country? How has this activity benefitted the field of biopharma?

    Linkage: India is expanding biotechnology into marine and space environments to access new biological resources. This supports biopharma growth, import substitution, and high-value biomanufacturing under GS-III.

  • Havana Syndrome Back 

    Why in the News?

    A renewed debate has emerged in the United States over Havana Syndrome after reports that the United States Department of Defense has been testing a covertly acquired device capable of emitting pulsed radio frequency energy, according to a report by CNN.  

    What is Havana Syndrome

    • Also officially termed Anomalous Health Incidents (AHIs)
    • First reported in 2016 by US diplomats stationed in Havana, Cuba
    • Symptoms include:
      • Severe headaches
      • Dizziness and vertigo
      • Cognitive difficulties and memory issues
      • Sensations similar to head trauma without visible injury
    • Since then, cases have been reported across Europe, Asia, Latin America and Africa
    • Affected personnel include:
      • Diplomats
      • Intelligence officers
      • Military personnel

    Why It Is Difficult to Diagnose

    • No single, universally accepted medical definition
    • Delayed clinical examinations in many cases
    • Symptoms overlap with stress related and neurological disorders
    • Lack of direct physical evidence in most incidents

    Cause: 

    Havana Syndrome, officially termed Anomalous Health Incidents (AHIs), does not have one conclusively proven cause.

    • Pulsed electromagnetic / microwave energy: Most plausible explanation. Can cause neurological symptoms without visible injury.
    • Possible directed-energy device exposure: Suspected use of portable energy-emitting devices for covert harassment or surveillance.
    • Psychological and stress-related factors: High-stress diplomatic environments may have contributed in some cases.
    • Acoustic (sound-based) causes: Initially suspected but largely ruled out due to weak scientific support.
    • Environmental or chemical exposure: Considered but no common toxin identified across locations.
    [2010] Consider the following: 

    1. Bluetooth device 

    2. Cordless phone 

    3. Microwave oven 

    4. Wi-Fi device 

    Which of the above can operate between 2.4 and 2.5 GHz range of radio frequency band? 

    (a) 1 and 2 only (b) 3 and 4 only (c) 1, 2 and 4 only (d) 1, 2, 3 and 4

  • Spina Bifida in India  

    Why in the News?

    India continues to report one of the highest global burdens of Spina Bifida, despite strong scientific evidence that pre conception folic acid intake can prevent more than 70 percent of cases.

    What is Spina Bifida

    • A congenital neural tube defect
    • Occurs when the spinal cord and its protective coverings fail to develop properly
    • Develops during early pregnancy, usually within the first 28 days after conception
    • Leads to lifelong disability of varying severity
    • Non communicable and Non infectious

    Causes

    • Caused by abnormal closure of the neural tube
    • Inadequate folic acid intake before and during early pregnancy
    • Poor maternal nutrition and anaemia
    • Unplanned pregnancies without micronutrient supplementation
    • Possible genetic susceptibility combined with environmental factors

    Treatment and Management

    • Early surgical repair: Closure of the spinal defect soon after birth to prevent infection
    • Hydrocephalus management: Use of ventriculo peritoneal shunt to drain excess fluid
    • Rehabilitation care: Long term physiotherapy and occupational therapy
    • Orthopaedic interventions: Corrective surgeries, braces or casts for skeletal deformities

    Prevention

    • Daily folic acid supplementation before conception and during early pregnancy
    • Food fortification and maternal nutrition programmes
    • Awareness about planned pregnancies
    • Integration with maternal health schemes

    Prelims Pointers

    • Spina bifida is a neural tube defect
    • Neural tube closes within 28 days of conception
    • Folic acid deficiency is the most important risk factor
    • Prevention is more effective than post birth treatment
    [2023] Consider the following statements in the context of interventions being undertaken under Anaemia Mukt Bharat Strategy: 

    1. It provides prophylactic calcium supplementation for pre-school children, adolescents and pregnant women. 

    2. It runs a campaign for delayed cord clamping at the time of child-birth

    3. It provides for periodic deworming to children and adolescents

    4. It addresses non-nutritional causes of anaemia in endemic pockets with special focus on malaria, hemoglobinopathies and fluorosis. 

    How many of the statements given above are correct? 

    (a) Only one (b) Only two (c) Only three (d) All four

  • Indian Scientists Simulate Mpemba Effect Using Supercomputers 

    Why in the News?

    Indian scientists have developed the first supercomputer powered simulation to successfully capture the Mpemba effect, the counterintuitive phenomenon where hot water freezes faster than cold water. The achievement was announced by the Ministry of Science and Technology.

    What is the Mpemba Effect

    • A physical phenomenon in which hot water freezes faster than colder water under certain conditions
    • Named after Erasto Mpemba, a Tanzanian student who reported the effect in the 1960s
    • Long considered a scientific paradox due to lack of a complete theoretical explanation

    Key Findings

    • Simulation successfully reproduced the Mpemba effect in water
    • Demonstrated that the effect can also occur in fluid to solid phase transitions beyond water
    • Confirms that non equilibrium thermodynamics plays a crucial role in freezing dynamics

    Scientific Significance

    • Resolves a long standing physical paradox through computational physics
    • Enhances understanding of phase transitions and heat transfer
    • Opens new avenues in materials science and condensed matter physics
    • Shows the power of supercomputing in theoretical and experimental validation

    Institutional Context

    • Research supported by India’s advanced scientific infrastructure
    • Aligns with national efforts in computational science, physics research, and supercomputing missions

    Prelims Pointers

    • The Mpemba effect refers to the faster freezing of hot water compared to cold
    • The phenomenon lacks a single universal explanation
    • Supercomputer simulations help study processes at atomic and molecular scales
    • The effect may exist in systems other than water
    [2011] The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason? 

    (a) Ice is a bad conductor of heat

    (b) Since the surface of the lake is at the same temperature as the air, no heat is lost

    (c) The density of water is maximum at 4°C

    (d) None of the statements (a), (b) and (c)

  • Candida auris

    Why in the News?

    An Indian led study has warned that Candida auris, a drug resistant fungal pathogen, is becoming more virulent and spreading globally, with high mortality rates even after treatment, raising serious public health concerns.

    About Candida auris

    • Candida auris is a multidrug resistant fungal pathogen.
    • It causes severe invasive infections, particularly in hospitalised and immunocompromised patients.
    • First identified in 2009.
    • Classified as an emerging global health threat due to frequent treatment failure and high fatality.

    Transmission

    • Spreads through direct contact with infected or colonised individuals, including asymptomatic carriers.
    • Transmitted via Contaminated surfaces, Medical equipment and Invasive devices like catheters and ventilators

    Prelims Pointers

    • Candida auris is a fungus, not a bacterium or virus
    • Primarily a hospital acquired infection
    • Difficult to detect due to sepsis like symptoms
    • Major concern due to antifungal resistance and high mortality
    [2019] Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? 

    1. Genetic predisposition of some people 

    2. Taking incorrect doses of antibiotics to cure diseases 

    3. Using antibiotics in livestock farming 

    4. Multiple chronic diseases in some people 

    Select the correct answer using the code given below: 

    (a) 1 and 2 (b) 2 and 3 only (c) 1, 3 and 4 (d) 2, 3 and 4

  • Industrial Hemp

    Why in the News?

    • The Chief Minister of Himachal Pradesh has initiated a policy push to legalise and regulate industrial hemp cultivation.

    What is Industrial Hemp

    • Scientific name: Cannabis sativa L.
    • Belongs to the Cannabis genus and Cannabaceae family
    • Herbaceous, dioecious plant
    • Botanically related to marijuana but very different in use and effects
    • THC content less than 0.3%
    • High fiber content and negligible psychoactive effect

    Industrial Hemp vs Marijuana

    • Marijuana: High tetrahydrocannabinol (THC) and psychoactive
    • Industrial hemp: Extremely low THC, used for industrial and commercial purposes

    Key Characteristics

    • Fast growing crop
    • Environment friendly
    • Requires relatively less water and pesticides
    • Suitable for diversified agro industrial value chains

    Applications of Industrial Hemp

    • Fibre and textiles: Cloth, upholstery, ropes
    • Industrial uses: Auto parts, paper, packaging
    • Energy: Biofuel production from stalk
    • Construction: Building materials like hempcrete
    • Seeds and oil: Food products and animal feed. Oil for cosmetics, lotions and personal care products

    Policy Significance

    • Opens avenues for farmer income diversification
    • Boosts green economy and sustainable industries
    • Potential for employment generation in hill states

    Prelims Takeaway

    • Industrial hemp is legally distinct from narcotic cannabis due to very low THC
    • Multi sector utility crop with applications in textiles, construction, energy, food and cosmetics
    According to India’s National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? (2020)

    1. Cassava 

    2. Damaged wheat grains 

    3. Groundnut seeds 

    4. Horse gram 

    5. Rotten potatoes 

    6. Sugar beet 

    Select the correct answer using the code given below: 

    (a) 1, 2, 5 and 6 only (b) 1, 3, 4 and 6 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4, 5 and 6

  • Annatto

    Why in the news?

    • As informed by the Council of Scientific and Industrial Research (CSIR), the CSIR–Central Food Technological Research Institute (CFTRI), Mysuru has undertaken four Grant-in-Aid projects related to the study and development of annatto.

    What is Annatto?

    • Annatto is a natural food colouring and flavouring agent.
    • Obtained from the seeds of the achiote tree (Bixa orellana).

    Origin & Botanical Facts

    • Scientific name: Bixa orellana
    • Native region: Tropical regions of the Americas
    • Plant type: Shrub/small tree
    • Usable part: Seed coating

    Key Chemical Constituents

    • Contains carotenoids (plant pigments)
      • Responsible for yellow-orange colour
    • Rich in:
      • Antioxidants
      • Tocotrienols (a form of Vitamin E)
      • Antimicrobial compounds

    Uses of Annatto

    Food Industry

    • Accounts for ~70% of natural food colours used globally
    With reference to ‘palm oil,’ consider the following statements: (2021)

    1. The palm oil tree is native to Southeast Asia. 

    2. Palm oil is a raw material for some industries producing lipstick and perfumes. 

    3. Palm oil can be used to produce biodiesel. 

    Which of the statements given above are correct? 

    (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2, and 3

  • Gestational Diabetes Mellitus (GDM) 

    Why in the News?

    • A large multi-city study highlights the high prevalence of early GDM in Indian women
     • Early GDM linked with higher future diabetes risk

    What is GDM?

    • Gestational Diabetes Mellitus is glucose intolerance first diagnosed during pregnancy
     • Affects about 14 percent of pregnancies worldwide

    Types of GDM

    • Early GDM (EGDM): Diagnosed before 20 weeks of pregnancy
     • Late GDM (LGDM): Diagnosed between 24 to 28 weeks

    STRiDE Study

    • Conducted at 7 antenatal clinics
     • Sample size: over 3000 pregnant women
     • Locations: Chennai, Hyderabad, Puducherry
     • Published in Diabetes Research and Clinical Practice

    Key Findings

    • Early GDM prevalence: 21.5 percent
     • Late GDM prevalence: 19.5 percent
     • Early GDM affects about 1 in 5 pregnant women

    A company marketing food product advertises that its items do not contain trans-fats. What does this campaign signify to the customers? (2011)

    1. The food products are not made out of hydrogenated oils. 

    2. The food products are not made out of animal fats/oils. 

    3. The oils used are not likely to damage the cardiovascular health of the consumers. 

    Select the correct answer using the code given below: 

    (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

  • How can India benefit from neurotechnology

    Introduction

    Neurotechnology integrates neuroscience, AI, engineering, and computing to decode and influence neural activity. At the core of this revolution lies the Brain-Computer Interface (BCI), a system that converts thoughts into actions using implanted or non-invasive devices. As global investment accelerates, India stands at a crucial juncture: it must leverage its scientific strengths while addressing regulatory and ethical gaps to become a competitive player in this emerging domain.

    Why in the news

    Neurotechnology has moved into a phase of rapid global advancement, with major breakthroughs such as in-human trials of Neuralink’s BCI receiving regulatory approval in 2024. Nations like the U.S., China, and Chile are accelerating R&D through large-scale missions. 

    Understanding Neurotechnology and BCIs

    1. Mechanical-neural integration: Neurotechnology uses devices that read, monitor, or influence brain activity, enabling control of cursors, robotic arms, wheelchairs, or prosthetics in real time.
    2. BCI systems: BCIs convert neural signals into digital commands, using implanted electrodes for precision or non-invasive systems such as EEG headsets.
    3. Therapeutic potential: Devices help diagnose brain disorders, stimulate brain regions for depression or Parkinson’s, or allow communication for patients with paralysis.
    4. Human-human interfaces: Research has even enabled brain-to-brain communication, transmitting simple information between individuals.

    India’s Need for Neurotechnology

    1. High neurological disease burden: India faces major disorders such as stroke, Parkinson’s disease, spinal cord injuries, and depression.
    2. Growing share of NCDs: Between 1990-2019, the share of non-communicable and injury-related neurological disorders rose steadily.
    3. Stroke as largest contributor: Stroke has become the top neurological contributor to India’s disease load.
    4. Rehabilitation benefits: BCIs offer possibilities for motor restoration, communication, and reducing long-term medication dependency.
    5. Mental health potential: With rising mental health challenges, neuromodulation and cognitive stimulation could offer new tools for treatment.

    India’s Current Standing

    1. Academic leadership: Institutes such as IIT Delhi, IISc, and AIIMS are active in BCI research, advancing sensor tech, signal processing, and neural implants.
    2. Neurorights and ethics research: Centres like IIT’s neurotechnology groups study data privacy, cognitive security, and the ethics of manipulating neural signals.
    3. Interdisciplinary progress: Neuroscience, AI, biomedical engineering, and biotech sectors are expanding, positioning India to scale domestic innovation.

    Global Progress and Lessons for India

    1. U.S. BRAIN Initiative: A major collaboration between federal agencies and private partners to accelerate innovative neurotechnologies.
    2. Neuralink trials: In 2024, Neuralink demonstrated that implanted BCIs restored motor functions in paralytic patients.
    3. China Brain Project (2016-2030): Focuses on cognition, brain-inspired AI, and neurological disorders.
    4. Chile & EU leadership: Pioneering frameworks for neuro-rights, ensuring cognitive liberty and mental privacy.
    5. Wide applications: Uses range from healthcare, gaming, rehabilitation, and security, making this not just a medical frontier but an economic one.

    Challenges for India

    1. Regulatory vacuum: Lack of clear national guidelines for invasive vs non-invasive BCIs, safety standards, and neural data protection.
    2. Ethical and privacy concerns: BCIs generate the most sensitive form of data-thought-level signals.
    3. Adoption and funding gaps: Without adequate funding and industry incentives, large-scale deployment will remain slow.
    4. Need for a national mission: A coordinated strategy is required to tap into India’s biotech capacity.

    Conclusion

    Neurotechnology represents a strategic frontier combining biotech, AI, and healthcare. For India, the potential spans medical rehabilitation, national innovation capacity, and future economic growth. However, its successful adoption requires a strong regulatory framework, ethical safeguards, and a dedicated national strategy that aligns technological advancement with patient safety and cognitive rights.

    PYQ Relevance

    [UPSC 2020] What do you understand by nanotechnology and how is it helping in health sector? 

    Linkage: This PYQ falls under GS-3 Science & Technology, where UPSC tests new and frontier technologies shaping future healthcare. Nanotechnology is directly linked to neurotechnology and BCIs, forming the base for next-generation medical diagnostics, making it highly relevant for UPSC.