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By Prof. Akhilesk K. Tyagi - Indian National Science Academy

By Prof. Akhilesk K. Tyagi - Indian National Science Academy

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Seeds of Dialogue<br />

Akhilesh K. <strong>Tyagi</strong>


Genetically Modified Food<br />

• Humans have<br />

been genetically<br />

modifying plants<br />

for a very long<br />

time:<br />

– Selective breeding<br />

– Cross pollination<br />

– hybridization


Per capita availability of food grains<br />

186<br />

197<br />

189<br />

208<br />

191<br />

199<br />

kgs<br />

140


Food Demand of India<br />

Item<br />

Production<br />

2010 (in MT)<br />

Demand<br />

2020 (in MT)<br />

Rice 95.32 122.1<br />

Wheat 85.93 102.8<br />

Coarse cereals 42.22 45.9<br />

Pulses 18.09 27.8<br />

Food grains 241.56 298.6


Why GM Crops?<br />

‣ Protection against yield loss due to stress<br />

‣ To improve nutrition/quality<br />

‣ For post-harvest gain<br />

‣ For more yield<br />

‣ To create bio-factories<br />

‣ Premium for quality<br />

‣ Reduction in insecticide or fertilizer use


What are potential disadvantages of<br />

growing GM Crops?<br />

‣ Biosafety<br />

‣ Environmental safety<br />

‣ Economic value<br />

‣ Option to choose<br />

‣ Ethical issues


Who has grow them and how much?


Global Area of Biotech Crops, 1996 to 2012:<br />

Industrial and Developing Countries (M Has, M Acres)<br />

ISAAA<br />

M Acres<br />

445 180<br />

395 160<br />

346 140<br />

296 120<br />

Total<br />

Industrial<br />

Developing<br />

247 100<br />

198<br />

80<br />

148<br />

60<br />

99<br />

40<br />

49<br />

20<br />

0<br />

0<br />

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012<br />

Source: Clive James, 2012


Global Area of Biotech Crops, 1996 to 2012:<br />

<strong>By</strong> Crop (Million Hectares, Million Acres)<br />

ISAAA<br />

M Acres<br />

198<br />

173<br />

148<br />

124<br />

99<br />

74<br />

49<br />

25<br />

0<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

Soybean<br />

Maize<br />

Cotton<br />

Canola<br />

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012<br />

Source: Clive James, 2012


Global Area of Biotech Crops, 1996 to 2012:<br />

<strong>By</strong> Trait (Million Hectares, Million Acres)<br />

ISAAA<br />

M Acres<br />

297<br />

247<br />

198<br />

148<br />

99<br />

120<br />

100<br />

80<br />

60<br />

40<br />

Herbicide Tolerance<br />

Insect Resistance (Bt)<br />

Herbicide Tolerance/<br />

Insect resistance<br />

49<br />

20<br />

0<br />

0<br />

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012<br />

Source: Clive James, 2012


Global Adoption Rates (%) for Principal<br />

Biotech Crops (Million Hectares, Million Acres), 2012<br />

ISAAA<br />

M Acres<br />

445<br />

395<br />

346<br />

180<br />

160<br />

140<br />

Conventional<br />

Biotech<br />

159<br />

296<br />

247<br />

120<br />

100<br />

100<br />

198<br />

80<br />

148<br />

60<br />

99<br />

40<br />

30<br />

31<br />

49<br />

20<br />

0<br />

0<br />

81%<br />

Soybean<br />

81%<br />

Cotton<br />

35%<br />

Maize<br />

30%<br />

Canola<br />

Source: Clive James, 2012


Biotech Crop Countries and Mega-Countries, 2012<br />

ISAAA


ISAAA


Bt Cotton in India<br />

‣ 10.8 million ha out of 12 million ha<br />

‣ >6 million farmers<br />

‣ 33 million bales<br />

‣ 50% increase in yield<br />

‣ 50% reduction in spray of insecticide<br />

‣ 30% increase in income


Why Bttechnology in brinjal?<br />

Adult<br />

moth<br />

Egg<br />

3 days<br />

Hatching<br />

Achilles’<br />

Heel<br />

Entry<br />

Or Bttechnology?<br />

2 to 3 hours<br />

9 to 14 days<br />

Mature<br />

Larva<br />

Cocoon<br />

Adult<br />

emergence<br />

7-9 days<br />

Pupation<br />

Farmer’s Dilemma: Repeated pesticides prays?


Some important transgenic crop plants developed / tested by<br />

public research institutions in India<br />

Crop Trait Institution<br />

___________________________________________________________________________<br />

1. Brinjal Insect resistance IVRI Varanasi, NRCPB, TNAU, UAS Dharwad<br />

2. Chickpea Insect resistance Assam Agricultural University Jorhat,<br />

BI, ICRISAT Hyderabad, NRCPB<br />

3. Cotton Insect resistance Central Institute of Cotton Research, Nagpur<br />

NBRI, UAS Dharwad<br />

4. Groundnut Disease resistance ICRISAT, Hyderabad<br />

5. Mustard Male sterility DUSC<br />

6. Potato Disease resistance CPRI<br />

7. Potato Cold-sweetening CPRI<br />

8. Potato Protein quality NIPGR<br />

9. Rice Insect resistance BI, CU, DRR, NRCPB<br />

10. Rice Pro Vitamin A CU, DRR, IARI, TNAU<br />

11. Rice High iron CU<br />

12. Rice Abiotic stress BI, CU, ICGEB, MSSRF, DUSC<br />

13. Rice Fungal disease CU, MKU, TNAU<br />

14. Sorghum Insect resistance NRC for Sorghum, Hyderabad<br />

15. Sugarcane Insect resistance Sugarcane Breeding Institute, Coimbatore<br />

16. Tomato Slow ripening NIPGR, NRCPB<br />

17. Tomato Virus resistance IARI<br />

18. Tomato Edible vaccine DUSC


Golden rice -Vitamin A deficiency<br />

Ingo Potrykus<br />

co inventor<br />

Problem : Rice is major Staple and does not contain<br />

Provitamin A<br />

Consequences: 400 million rice eating poor suffer from<br />

vitamin A deficiency ; 6000 die per day and 500, 000<br />

become blind every year<br />

Answer : Biofortification : improvement of the<br />

micronutrient content of the crops on genetic basis<br />

Golden rice contains genes introduced<br />

through genetic engineering required to<br />

activate the biochemical pathway leading to<br />

accumulation of<br />

pro-vitamin A<br />

<strong>Indian</strong> Rice lines with 8- 25 µg/ gram of<br />

rice produced by breeding and ready for<br />

field testing<br />

Lines with 16µg/ gram of rice are enough<br />

to meet 50 percent of RDA<br />

25µg/gram<br />

8µg/gram


Development of GM potatoes with enhanced nutritive value<br />

by tuber-specific expression of a seed protein AmA1<br />

(Amaranth Albumin 1)<br />

•up to 60% increase in total protein content in seven<br />

genotypic backgrounds suitable for cultivation in<br />

different agro-climatic regions.<br />

•the concentrations of several essential amino acids<br />

were increased significant in transgenic tubers.<br />

•enhanced photosynthetic activity with a concomitant<br />

increase in total biomass.<br />

•a moderate increase in tuber yield.<br />

•field performance and safety evaluation indicate that<br />

the transgenic potatoes are suitable for commercial<br />

cultivation.<br />

______________________________________________<br />

______<br />

Thus, introduction of AmA1 is expected to provide a basis for<br />

commercial production of nutritive value added crops


Enhancement of fruit shelf life by silencing N-glycan processing<br />

enzymes (alpha-mannosidase and beta-hexosaminidase)<br />

Climacteric fruit (tomato)<br />

Ethylene is necessary for ripening<br />

Non-climacteric fruit (capsicum)<br />

Ethylene is not necessary for ripening<br />

Control RNAi-α-Man RNAi-β-Hex<br />

Vec control<br />

RNAi-α-Man<br />

RNAi-β-Hex<br />

Days<br />

20 10<br />

Days<br />

15<br />

5<br />

10<br />

RNAi mediated silencing of α-man and β-hex genes together to<br />

enhance shelf-life of fruits<br />

Not I<br />

CaMV 35S promoter<br />

Kpn I<br />

EcoR I<br />

Xho I<br />

PDK intron<br />

Xba I<br />

Bam HI<br />

Hind III<br />

Cla I<br />

Not I<br />

OCS terminator<br />

subcloned into pART27 and<br />

transformed to tomato<br />

Hex Man<br />

Sense direction<br />

cloning<br />

Hex Man<br />

Antisense direction<br />

cloning<br />

RNAi Cassette in pHANNIBAL<br />

α-man and β-hex<br />

suppressed<br />

transgenic plants


Grain Yield: UBI:OsSAP1 lines under water-deficit Stress<br />

160<br />

Soil moisture- 8-9%<br />

Number of filled grains<br />

140<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

WT-US WT-Str S10-US S10-Str<br />

WT (US) WT (Str) S-10 (US) S-10 (Str)


GMOs approved so far in India<br />

Agriculture<br />

Healthcare<br />

(Recombinant<br />

Therapeutics)<br />

Bt Cotton from Monsanto, USA<br />

Bt Cottonfrom IIT, Kharagpur<br />

Bt CottonCtt fromf Biocentury,Bit ChinaChi<br />

Bt Cotton from Metahelix, Bangalore<br />

Bt Cotton from CICR, Nagpur<br />

A Total of 20 products including<br />

‐Human insulin for diabetes<br />

‐Hepatitis B Vaccine<br />

‐Human growth hormone<br />

‐Streptokinase for acute myocardial infraction<br />

‐Teriparatide(Forteo) for Osteoporosis<br />

‐Platelet Derived Growth Factor (PDGF) for Bone<br />

marrow induction & Osteoblastsproliferation<br />

‐Follicle Stimulating Hormone for reproductive<br />

disorders


Who regulates them and how?


Guiding Principles for International<br />

Regulatory Systems<br />

‣ Substantial Equivalence<br />

‣ Principle of Familiarity<br />

‣ Generally Regarded as Safe (GRAS)<br />

‣ Cartagena Protocol on Biosafety<br />

‣ International Plant Protection Convention<br />

‣ Codex Alimentarius<br />

‣ Agreement as the Application of Sanitary and Phyto-sanitary<br />

Measures<br />

‣ Agreement as Technical Barriers of Trade<br />

‣ Agreement on Trade related Aspects of Intellectual Property<br />

Rights<br />

‣ United Nations Convention on Biological Diversity


<strong>Indian</strong> Regulatory System<br />

‣ To ensure that GM crops pose no risk to food safety,<br />

environmental safety and agriculture productivity<br />

‣ To demonstrate potential benefits over the conventional<br />

variety/hybrid in terms of economic benefit to the farmer<br />

and/or the environment<br />

‣ To generate quantitative biological, ecological and agronomic<br />

supportive data<br />

‣ Rules and guidelines formulated to achieve above objectives


Regulation of GM Foods in India<br />

‣ Under Environment Protection Act (1986), MoEf rules<br />

formulated in 1989 created six competent authorities namely<br />

RDAC, RCGM, IBSC; GEAC, SBCC, DLC; MEC for field trials under<br />

RCGM and GEAC<br />

‣ Recombinant DNA Safety Guidelines 1990, modified 1994<br />

‣ DBT Revised Guidelines for Research on Transgenic Plants –<br />

1998, also includes guidelines for toxicity & allergenecity<br />

evaluation of transgenic seeds, plants & plant parts<br />

‣ Safety Assessment of GM Food Crops -2007, modified 2009<br />

‣ Guidelines for the Safety Assessment of Foods Derived from GE<br />

plants – 2008<br />

‣ Guidelines & SOPs for Confined Field Trials of Regulated<br />

Genetically Engineered Plants – 2008<br />

‣ Event Based Approval Mechanism (EBAM)- 2009


Consult : http://igmoris.nic.in<br />

<strong>Indian</strong> GMO Research Information<br />

<strong>Indian</strong> GMO Research Information System (IGMORIS) is a web<br />

based database on activities involving the use of GMOs and<br />

products thereof in India.<br />

make available objective and realistic scientific information<br />

relating to GMOs and products thereof under research, trials and<br />

commercial use pertaining to agriculture, pharmaceuticals,<br />

environment and industrial products to all stakeholders including<br />

scientists, regulators, industry and the public in general.


Lessons learnt…..<br />

Regulatory<br />

Frame<br />

work<br />

PUBLIC<br />

POLICY<br />

Public<br />

concerns<br />

<strong>Science</strong> of<br />

risk<br />

assessment


METHODOL0GY ADOPTED BY DBT FOR<br />

ESTABLISHMENT OF BRAI<br />

Step 1<br />

Review of the<br />

structure and<br />

governance of other<br />

autonomous<br />

agencies in India<br />

Review of<br />

international<br />

models for the<br />

regulation of<br />

biotechnology<br />

Review of India’s<br />

international<br />

obligations<br />

pertinent to the<br />

BRAI’s mandate<br />

Step 2<br />

Step 3<br />

Step 4<br />

Development of a model for the BRAI that addresses:<br />

1. Scope of the regulatory mandate of the BRAI<br />

2. Structure of the BRAI: programs and operations<br />

3. Legal framework and other issues<br />

Preparation of a preliminary establishment plan for the BRAI.<br />

Stakeholder interviews to obtain feedback on the preliminary plan.<br />

Preparation of a revised, draft plan incorporating stakeholder feedback.<br />

Preparation of draft legislation for establishing the BRAI<br />

Step 5<br />

Consultative process with various stakeholders


KEY FEATURES OF BRAI BILL, 2011<br />

The proposed statutory independent regulator that is<br />

the Biotechnology Regulatory Authority of India (BRAI)<br />

would be a nodal agency of the Government of India to<br />

ensure comprehensive safety assessment of<br />

organisms and products of modern biotechnology.<br />

Commercialization of biotechnology products in<br />

agriculture and healthcare would be subject to all<br />

other laws whether Central or State, for the time being<br />

in force and rules and regulations made thereunder.<br />

The organizational plan of the Authority also provides<br />

collaborative arrangements, co-ordination and<br />

mechanisms with other existing regulatory agencies.


Conclusions<br />

‣ GM Technologies is a ‘safe’ and ‘complementary’ option to<br />

improve crop production<br />

‣ Prioritization of trait, gene source and crops based as risk<br />

benefit analysis is required<br />

‣ Regulatory system should be independent, transparent,<br />

rigorous, inclusive and science-driven<br />

‣ Mission-mode approach is required to deliver benefits of GM<br />

crops to farmers in India<br />

‣ Policy on multiplication, procurement and distribution of GM<br />

seed (variety/hybrid) is required<br />

‣ Closer communication in policy makers, scientists, industry,<br />

farmers and consumers required<br />

‣ Post-release surveillance and risk-aversion strategy should be in<br />

place


OPINIONS<br />

‣ “…..GM technology, coupled with important developments in other areas,<br />

should be used to increase the production of main food staples, improve<br />

the efficiency of production, reduce the environmental impact of<br />

agriculture, and provide access to food for small-scale farmers.” –the Royal Society<br />

of London, the US <strong>National</strong> <strong>Academy</strong> of <strong>Science</strong>s, the Brazilian <strong>Academy</strong> of <strong>Science</strong>s, the Chinese <strong>Academy</strong> of <strong>Science</strong>s, the <strong>Indian</strong> <strong>National</strong> <strong>Science</strong><br />

<strong>Academy</strong>, the Mexican <strong>Academy</strong> of <strong>Science</strong>s, and the Third World <strong>Academy</strong> of <strong>Science</strong>s, In Transgenic Plants and World Agriculture (2000),<br />

Document made available by the <strong>Indian</strong> <strong>National</strong> <strong>Science</strong> <strong>Academy</strong>, New Delhi.<br />

‣ “The affluent nations can afford to adopt elitist positions and pay more<br />

for food produced by the so-called natural methods; the 1 billion<br />

chronically poor and hungry people of this world cannot. New technology<br />

will be their salvation, freeing them from obsolete, low-yielding, and<br />

more costly production technology.” –Dr. Norman E. Borlaug (Nobel Prize Laureate for Peace 1970), Plant<br />

Physiology (2000). 124, 487-490

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