Area of Specialization

Cyanobacterial Metabolism

Experience

HONORS/AWARDS

1. Recipient of Government of India Scheme of Scholarships in Approved Residential Secondary School (Birla Balika Vidyapeeth, Pilani, Rajasthan), 1975 – 1981.
2. Recipient of Award of Junior Research Fellowship (UGC-CSIR Joint NET Examination), 1988.
3. Doctorate of Philosophy in Biochemistry, 1993.

TRAININGS

1. 3 months DST sponsored training programme in electron microscopy. Regional Sophisticated Instrumentation Centre, North-Eastern Hill University, Shillong, 1990.
2. Attended Assessor’s Interaction Meeting (AIM) on February 6-7, 2014 at NAAC, Bangalore.
3. NAAC Assessors’ Orientation programme for women in New Delhi (September 20, 2018).

Webinar on NAAC Assessors Training programme regarding peer team visit (March 17, 2021).

RESEARCH GUIDANCE (14 Registered Ph.D. Scholars) 

Research Projects

1. Cyanobacteria as N-biofertilizer in sustainable agriculture: Biological nitrogen fixation in newly established artificial association between rice and cyanobacteria, Prof. M. B. Syiem & A. K. Singh, Rs. 7.0 Lakhs, DST, New Delhi (2004 – 2008).
2. Strategy development for the mitigation of heavy metals in surface waters around coal mining areas using native cyanobacterial strains, Prof. M. B. Syiem, DBT Twinning project, Rs. 81,33,000/- (2012 – 2016).
3. A detailed study on the potential of locally isolated cyanobacteria in biosorption of heavy metals common in water bodies of Meghalaya, Prof. M. B. Syiem, UGC, New Delhi, Rs. 13,22,000/- (2012 – 2015).
4. Understanding the early events of a-synuclein aggregation and its implications in Parkinson’s disease related neuro-degeneration, Dr. T. Tripathi and Prof. M. B. Syiem (Co-PI), DBT, New Delhi, Rs. 1,28,00,000/- (2019 – 2022)
5. Advanced State Level Biotech HUB with leadership role for NER (Biotech HUB Level II) at NEHU, Prof. M. B. Syiem (Co-PI), DBT, New Delhi, Rs. ~ 4,20,00,000/- (2022 – 2025)

Publications

1. Rai, A.N., Borthakur, M., Singh S., >Bergman B. (1989) Anthoceros-Nostoc Symbiosis: Immuno-electron microscopic localization of Nitrogenase, Glutamine Synthase, Phycoerythrin, and Ribulose-1,5- bisphosphate Carboxylase/ Oxygenase in the Cyanobiont and in the Cultured (Free-living) isolate Nostoc 7801. J. Gen., Microbiol. (1989), 135: 385-395.
2. Rai, A.N., Borthakur, M., Soderback, E., >Bergman, B. (1992) Immunogold Localisation of Hydrogenase in the  Cyanobacterial-Plant Symbioses Peltigera canina, Anthoceros punctutus and Gunera  Magellanica. Symbiosis, 12(1992)131-144, Balaban Philadelphia.
3. >Rai, A.N., Borthakur, M., >Bergman, B. (1992) Nitrogenase Derepression, it’s regulation and metabolic changes associated with diazotrophy in the non- heterocystous cyanobacterium Plectonema boryanum Pcc 73110. J. Gen. Microbiol., 138: 481-491.
4. Borthakur, M., >Sen A., >Misra A. K. (1996) Immobilized Frankia spores remained viable on dry storage and on restoration to medium regenerated active colonies. Plant and Soil, 181: 227-231.
5. Rai, A.N., Borthakur, M., Paul, D. (1996) Symbiotic Cyanobacteria: Biotechnological applications. J. Sci. Ind. Res., 55: 742-752.
6. Borthakur, M., >Sen, A., >Misra, A. K. (1996) Exogenous nitrogen sources do not drastically reduce nitrogenase activity in polymer entrapped Frankia. Indian J. Exp. Biol., 35: 173-175.
7. Syiem, M.B. (2005). Entrapped cyanobacteria: Implications for biotechnology. Indian J. Biotechnol. 4: 209-215.
8. Syiem D., Joshi, S.R., Syiem, M.B. (2005) Intellectual property rights and North East India – Issues and relevance. In: Proceedings of the National Seminar on Intellectual Property Rights. Pp 145-149.
9. Syiem, M.B., Singh, A.K., Rai, A.N., Khumanthem, N., Singh, R.K., Adhikari, S., Bhattacharjee, A. (2007) Nitrogen metabolism, artificial association study in two cyanobacterial isolates and the assessment of their potential as biofertilizer. Indian J. Biotechnol., 6: 397-403.
10. Bhattacharjee, A., Syiem, M.B. (2007) Engineering conditions for bulk spore production for application as biofertilizer inoculum in paddy cultivation. Proceedings of International Conference on Applied BioEngineering (iCAB 07), Sathyabhama University, Chennai. Dec. 408-411.
11. Nongrum, N.A, Hynniewta, L., Bhattacharjee, A., Nongbri B.B., Syiem, M.B. (2007) A study on cyanobacterial compatibility with nitrogen based fertilizers and their transfer to paddy fields on a biodegradable material, pp. 97-100. Proceedings of International Conference on Applied BioEngineering (iCAB 07), Sathyabhama University, Chennai. Dec.
12. Khumanthem, N., Syiem, M.B., Singh A.K., Rai, A. (2007) Isolation and characterization of a Mastigocladus species capable of growth, N₂-fixation and N-assimilation at elevated temperature. Indian J. Microbiol. 47: 345-352.
13. Singh, A.K., Syiem, M.B., Singh, R.S., Adhikari, S., Rai, A.N. (2008) A common transport system for methionine, L-methionine-DL-sulfoximine (MSX), and phosphinothricin (PPT) in the diazotrophic cyanobacterium Nostoc muscorum. Curr. Microbiol. 56: 436 – 441.
14. Bhattacharjee, A., Nongrum, N., Syiem, M.B., Adhikari, S. (2008) Role of cyanobacteria in cadmium bioremediation in rice fields. Proceedings of National seminar on toxicity and chemicals and their hazards with special reference to heavy metals. St. Edmund’s College, Shillong, Meghalaya. October, 2008. Pp. 73-80.
15. Nongrum, N.A., Bhattacharjee, A., Syiem, M.B. (2008) Role of proline in management of NaCl and pH stress in cyanobacteria. Proceedings of National seminar on toxicity and chemicals and their hazards with special reference to heavy metals. St. Edmund’s College, Shillong, Meghalaya. October, 2008. Pp. 114-120.
16. Cyanobacterial Application in Rice Fields: Dual Benefits in Eco restoration Proceedings of 31^st All India Botanical Conference and International Symposium on Plant Biology and Environment: Changing Scenario. Dept of Botany, University of Allahabad. Allahabad. 17-19^th December 2008.
17. Nongbri, B., Pinokiyo, A., Bhattacharjee, A., Nongrum, N.A., Hynniewta, L., Syiem, M.B. (2008) Cyanobacterial diversity in Meghalaya: An Indo-Malayan Biodiversity hotspot. B. International Symposium on Plant Biology and Environmental: Changing Scenario. Dec. 17-19, 2008. The University of Allahabad. Allahabad.
18. Syiem, M.B., Bhattacharjee, A., Nongrum, N.A.  Cadmium removal by an Anabaena sp. isolated from coal mining areas of Meghalaya, IndiaInternational conference on Changing Environmental Trends and Sustainable Development (CETAS-2009). 9-11 February, 2009. G. J. University of Science & Technology, Hisar, India. Pp. 129-133.
19. Hynniewta, L., Pinokiyo, A., Syiem, M.B. (2009) Identification and documentation of two previously unreported foliose lichens from Meghalaya, North-East India. Journal of Economic and Taxonomic Botany, 33: 589-593.
20. Syiem, M.B., Nongbri, B.B., Pinokiyo, A., Bhattacharjee, A., Nongrum N.A., Hynniewta, L. (2010) Significance of cyanobacterial diversity in different ecological conditions of Meghalaya J. Appl. Nat. Sci. 2(1):134-139.
21. Syiem, M.B., Bhattacharjee, A. (2010) An efficient protocol for long term preservation of cyanobacteria. J. adv. lab. res. biol., 1(1): 54-60.
22. Syiem, M.B., Nongrum, N.A. (2011) Increase in intracellular proline content in Anabaena variabilis during stress conditions. J. Nat. Appl. Sci., 3(1): 119-123.
23. Syiem, M. B., Hynniewta, L., Pinokiyo, A. (2011) Nostoc cyanobiont in the cyanolichens, Sticta weigelii of eastern himalayan region: Isolation, physiological and biochemical characterization. J. Exp. Sci., 2(9): 36-40.
24. Effect of high concentration of divalent copper ion (Cu⁺²) on the cyanobacterium Nostoc ANTH. Natasha A Nongrum and Mayashree B Syiem. International conference on advances in environmental chemistry (AEC-2011). 16-18 November, 2011. Mizoram University, Mizoram, India. Pp 30-33.
25. Diversity analysis and molecular typing of cyanobacteria isolated from various ecological niches in the state of Meghalaya, North-East India. B Bashisha Nongbri and Mayashree B Syiem. International conference on advances in environmental chemistry (AEC-2011). 16-18 November, 2011. Mizoram University, Mizoram, India. Pp 183-186.
26. Assessment of cyanobacterial diversity in association with lichens from Meghalaya. Luxemburgh Hynniewta and Mayashree B Syiem. International conference on advances in environmental chemistry (AEC-2011). 16-18 November, 2011. Mizoram University, Mizoram, India. Pp 190-192.
27. Syiem, M.B., Nongrum, N.A., Nongbri. B., Bhattacharjee, A., Biate, D.L., Misra, A.K. (2011) Molecular identification and characterization of a rice field cyanobacteria for its possible use as biofertilizer in acidic environment. Research and reviews: A journal of microbiology and virology 1(3): 1-12.
28. Nongbri, B.B., Syiem, M.B. (2012) Analysis of heavy metal accumulation in water and fish (Cyprinus carpio) meat from Umiam Lake in Meghalaya, India. Int. Multi discip. Res. J., 2(2): 73-76.
29. Nongbri, B.B., Syiem, M.B. (2012) Diversity analysis and molecular typing of cyanobacteria isolated from various ecological niches in the state of Meghalaya, North-East India. Environ. Eng. Res., 17(1): 1-6.
30. Nongrum, N.A., Syiem, M.B. (2012) Effects of copper ion (Cu²⁺⁾ on the physiological and biochemical activities of the cyanobacterium Nostoc ANTH. Environ. Eng. Res., 17(1): 1-5.
31. Syiem, M.B., Bhattacharjee, A. (2015) Structural and functional stability of regenerated cyanobacteria following immobilization. J. Appl. Phycol., 27: 743-753.
32. Hazarika, J., Pakshirajan, K., Sinharoy, A., Syiem, M.B. (2015) Bioremoval of Cu (II), Zn (II), Pb(II) and Cd(II) by Nostoc muscorum isolated from a coal mining site. J. Appl. Phycol., 27: 1525–1534.
33. Manikandan, N. A., Pakshirajan, K., Syiem, M. B. (2014) Cu(II) removal by biosorption using chemically modified biomass of Nostoc muscorum – a cyanobacterium isolated from a coal mining site. Int. J. Chemtech Res., 7(1): 80-92.
34. Goswami, S., Diengdoh, O.L., Syiem, M.B., Pakshirajan, K., Kiran, M.G., (2015) Zn (II) and Cu (II) removal by Nostoc muscorum: a cyanobacterium isolated from a coal mining pit in Chiehruphi, Meghalaya, India. Can. J. Microbiol., 61: 209-215.
35. Goswami, S., Syiem, M.B., Pakshirajan, K. (2015) Cadmium removal by Anabaena doliolum Ind1 isolated from a coal mining area in Meghalaya, India: associated structural and physiological alterations. Environ. Eng. Res., 20(1): 41-50.
36. Roy, A.S., Hazarika, J., Manikandan, N.A., Pakshirajan, K., Syiem, M.B. (2015) Heavy Metal Removal from Multicomponent System by the Cyanobacterium Nostoc muscorum: Kinetics and Interaction Study. Appl. Biochem. Biotechnol., 175(8): 3863-3874.
37. Ahad, R.I.A., Phukan, T., Syiem M.B. (2015) Random sampling of cyanobacterial diversity from five locations within Eastern Himalayan Biodiversity hot spot. Int. j. adv. res., 2(5): 20-29.
38. Diengdoh, O.L., Warjri, S.M., Syiem, M.B. (2015) Zn²⁺ Biosorption Efficiency of a Nostoc sp. Isolated from a Coal Mine in Sohra, Meghalaya.  Int. j. ind. biotechnol. biomater., 1(2): 1-12.
39. Phukan, T., Ahad, R.I.A., Syiem, M.B. (2015) Analysis of Viability Index and Growth of Regenerated Cyanobacteria Following Long-Term Preservation in Calcium Alginate Beads. Int. j. ind. biotechnol. biomater., 1(2): 13-22.
40. Arun, S., Manikandan, N.A., Pakshirajan, K., Pugazhenthi G., Syiem, M. B. (2016) Cu (II) removal by Nostoc muscorum and its effect on biomass growth and nitrate uptake: A photobiorector study. Int. Biodeterior. Biodegrad., 119: 117-119.
41. Ahad, R.I.A., Goswami, S., Syiem, M.B. (2017) Biosorption and equilibrium isotherms study of cadmium removal by Nostoc muscorum Meg 1: morphological, physiological and biochemical alterations. 3 Biotech., 7(2): 104.
42. Diengdoh, O.L., Syiem, M.B., Pakshirajan, K., Rai, A.N. (2017) Zn²⁺ sequestration by Nostoc muscorum: study of thermodynamics, equilibrium isotherms, and biosorption parameters for the metal. Environ. Monit. Assess., 189(7): 314.
43. Warjri, S.M., Syiem, M.B. (2018) Analysis of Biosorption Parameters, Equilibrium Isotherms and Thermodynamic Studies of Chromium (VI) Uptake by a Nostoc sp. Isolated from a Coal Mining Site in Meghalaya, India. Mine Water Environ., 37: 713-723.
44. Warjri, S.M., Diengdoh, O.L., Hynniewta, L., Wanniang, W., Syiem, M.B. (2018) Uptake efficiency, equilibrium kinetics and thermodynamics of Zn2+ biosorption by a Nostoc sp. isolated from Shahlang coal mine in Meghalaya, India. Int. J. Sci. Eng., 9 (1): 748-754.
45. Phukan, T., Rai, A.N., Syiem, M.B. (2018) Dose dependent variance in UV-C radiation induced effects on carbon and nitrogen metabolism in the cyanobacterium Nostoc muscorum Meg 1. Ecotoxicol. Environ. Saf., 155: 171-179.
46. Ahad, R.I.A., Syiem, M.B. (2018) Ameliorating potential of Ca²⁺ on Cd²⁺ induced toxicity on carbon assimilation in the cyanobacterium Nostoc muscorum Meg 1. Res. J. Life Sci. Bioinform. Pharm. Chem. Sci., 4(2): 322-337.
47. Ahad, R.I.A., Kynshi, B.L., Syiem, M.B. (2018) Protective role of Ca²⁺ towards Cu²⁺ induced toxicity on photosynthetic pigments, morphology and ultra-structures of the cyanobacterium Nostoc muscorum Meg 1. Biosci. Biotechnol. Res. Asia, 15(3): 591-601.
48. Ahad, R.I.A., Syiem, M.B. (2018) Copper and cadmium induced toxicity on the cyanobacterium Nostoc muscorum Meg 1: a comparative study. EurAsian J. Biosci., 12(2): 333-345.
49. Ahad, R.I.A., Syiem, M.B. (2018) Copper-Induced Morphological, Physiological and Biochemical Responses in the Cyanobacterium Nostoc muscorum Meg 1. Nat. Environ. Pollut. Technol., 17(4): 1077-1086.
50. Goswami, S., Ahad, R.I.A., Syiem, M.B. (2019) Expression of copper toxicity in the rice-field cyanobacterium Anabaena oryzae Ind4. EurAsian J. Biosci., 13(1): 57-67.
51. Phukan, T., Rai, A.N., Syiem, M.B. (2018) Dose dependent variance in UV-C radiation induced effects on carbon and nitrogen metabolism in the cyanobacterium Nostoc muscorum Meg1. Ecotoxicol. Environ. Saf., 155: 171-179.
52. Ahad, R.I.A., Syiem, M.B. (2018) Ameliorating potential of Ca²⁺ on Cd²⁺ induced toxicity on carbon assimilation in the cyanobacterium nostoc muscorum Meg 1. Res. J. Pharm. Biol. Chem. Sci., 4(2): 322-337.
53. Ahad, R.I.A., Kynshi, B.L., Syiem, M.B. (2018) Protective Role of Ca²⁺ towards Cu²⁺ Induced Toxicity on Photosynthetic Pigments, Morphology and Ultra-Structures of the Cyanobacterium Nostoc muscorum Meg 1. Biosci. Biotechnol. Res. Asia, 15(3): 591-601.
54. Ahad, R.I.A., Syiem, M.B. (2018) Copper and cadmium-induced toxicity on the cyanobacterium Nostoc muscorum Meg 1: a comparative study. EurAsian J. Biosci., 12: 333-345.
55. Ahad, R.I.A., Syiem, M.B. (2018) Copper-induced morphological, physiological and biochemical responses in the cyanobacterium Nostoc muscorum Meg 1. Nat. Environ. Pollut. Technol., 17(4): 1077-1086.
56. Goswami, S., Ahad, R.I.A., Syiem, M.B. (2019) Expression of copper toxicity in the rice-field cyanobacterium Anabaena oryzae Ind4. EurAsian J. Biosci., 13(1): 57-67.
57. Ahad, R.I.A., Syiem, M.B. (2019) Influence of calcium on cadmium uptake and toxicity to the cyanobacterium Nostoc muscorum Meg1. Biotechnol. Res. Innov., 3: 231-241.
58. Phukan, T., Syiem, M.B. (2019) Modulation of oxidant and antioxidant homeostasis in the cyanobacterium Nostoc muscorum Meg1 under UV-C radiation stress. Aquat. Toxicol., 213: 105228.
59. Phukan, T., Rai, A.N., Syiem, M.B. (2019) Unstandardized UV-C dose used for killing harmful cyanobacteria may instead initiate accelerated growth in the target organisms. Ecotoxicol. Environ. Saf., 181: 274-283.
60. Syiem, D., Syiem M.B. (2020) The deadly dozen: An overview of the top killer viruses. The NEHU Journal, 18: 1-19.
61. Ahad, R.I.A., Syiem, M.B. (2021) Analyzing dose dependency of antioxidant defence system in the cyanobacterium Nostoc muscorum Meg 1 chronically exposed to Cd²⁺. Comp. Biochem. Physiol. Part-C: Toxicol. Pharmacol., 242: 108950.
62. Ahad, R.I.A., Syiem, M.B., Rai, A.N. (2021) Cd (II) sorption by Nostoc sp. JRD1: Kinetic, thermodynamic and isotherm studies. Environ. Technol. Innov., 21: 101283.
63. Sachu, M., Kynshi, B.L., Syiem, M.B. (2021) Herbicide monuron mediated alterations in carbon and nitrogen fixation in the cyanobacterium Nostoc muscorum Meg 1. J. Appl. Phycol., 21: 1-12.
64. Goswami, D., Syiem, M.B. (2021) Biocontrol of Pythium aphanidermatum causing soft rot in ginger with biosurfactant produced by a rhizospheric Bacillus species. Journal of Spices and Aromatic Crops, 30(1): 69-80.
65. Kynshi, B.L., Sachu, M., Syiem, M.B. (2021) Modulation in isocitrate dehydrogenase activity under citrate enrichment affects carbon and nitrogen fixations in the cyanobacterium Nostoc muscorum Meg 1. Biochimie, 186: 94-104.
66. Sachu, M., Ryntathiang, S., Kynshi, B.L., Chullai, L.R., Ahad, R.I.A., Syiem, M.B. (2021) Induction of enzymatic and non-enzymatic antioxidants in response to Cd²⁺ stress in a cyanobacterium. Res. J. Life Sci. Bioinform. Pharm. Chem. Sci., 7(5):1-24.
67. Sachu, M., Kynshi, B.L., Syiem, M.B. (2022) A biochemical, physiological and molecular evaluation of how the herbicide 2, 4â??dichlorophenoxyacetic acid intercedes photosynthesis and diazotrophy in the cyanobacterium Nostoc muscorum Meg 1. Environ. Sci. Pollut. Res., 1-15.
68. Ahad, R.I.A., Sachu, M., Syiem, M.B. (2022) Reusability of Nostoc muscorum Meg 1 biomass for Cd²⁺ removal. Res. J. Life Sci. Bioinform. Pharm. Chem. Sci., 8(1): 1-10.
69. Kynshi, B.L., Sachu, M., Syiem., M.B. (2022) Unrestricted availability of α-ketoglutarate influences biomass production in the cyanobacterium Nostoc muscorum Meg 1 by impacting rates of photosynthesis, nitrogen fixation and lipid synthesis. J. Appl. Phycol., 1-13.

BOOK CHAPTERS

1. Rai, A.N. and Borthakur, M. (1998). Cyanobacterial Symbioses. In B.N. Verma, A.K. Kargupta and S.K. Goyal (Eds.) Advances in Phycology (pp. 81-107). New Delhi: APC Publications Pvt. Ltd.
2. Singh, R. S., Singh, A. K., Syiem, M. B. and Rai, A. N. (2006). Colonization of roots of rice and associative N₂-fixation by a symbiotic strain of Nostoc. In H. N. Pandey and S. K. Barik (Eds.) Ecology, Diversity and Conservation of Plants and Ecosystems in India (pp. 366-376). New Delhi: Regency Publications.
3. Khumanthem, N., Rai, A. N., Singh, A. K. and Syiem, M. B. (2006). Physiological and biochemical characterization of a thermophilic cyanobacterium Mastigocladus species. In H. N. Pandey and S. K. Barik (Eds.) Ecology, Diversity and Conservation of Plants and Ecosystems in India (pp. 354-365). New Delhi: Regency Publications.
4. Singh, A. K., Syiem, M. B. and Rai, A. N. (2006). Biodiversity of cyanobacteria: A molecular approach. In K. Singh (Ed.) Biotechnological Applications of Cyanobacteria (pp. 1-12). Sunderpur, Varanasi: Academic World.
5. Syiem, D. and Syiem, M. B. (2007). Medicinal plants and conservation: some issues and concerns. In P. Tandon, Y. P. Abrol and S. Kumaria (Eds.) Biodiversity and its significance (pp. 151-156). New Delhi: I.K. International Publishing House Pvt. Ltd.
6. Bhattacharjee, A. and Syiem, M. B. (2007). Engineering conditions for bulk spore production for    application as biofertilizer inoculum in paddy cultivation. (pp. 408-411). Proceedings of International Conference on Applied BioEngineering (iCAB 07), Sathyabhama University, Chennai.
7. Nongrum, N. A., Hynniewta, L., Bhattacharjee, A., Nongbri, B. B. and Syiem, M. B. 2007. A study on cyanobacterial compatibility with nitrogen based fertilizers and their transfer to paddy fields on a biodegradable material (pp. 97-100). Proceedings of International Conference on Applied BioEngineering (iCAB), Sathyabhama University, Chennai.
8. Syiem, M. B., Singh, A. K. and Rai, A. N. (2009). Nitrogen Metabolism in Cyanobacteria. In J.I.S. Khattar, D.P. Singh and G. Kaur (Eds.) Algal Biology and Biotechnology (pp. 81-96). New Delhi: I. K. International Publishing House Pvt. Ltd.
9. Bhattacharjee, A., Nongrum, N. A., Syiem, M. B. and Ahikari, S. (2008). Role of cyanobacteria in cadmium bioremediation in rice fields. In: Proceedings of National seminar on toxicity and chemicals and their hazards with special reference to heavy metals (pp. 73-80). St. Edmund’s College, Shillong, Meghalaya.
10. Nongrum, N. A., Bhattacharjee, A., Syiem, M. B. amd Rai, A. N. 2008. Role of proline in management of NaCl and pH stress in cyanobacteria. In: Proceedings of National seminar on toxicity and chemicals and their hazards with special reference to heavy metals (pp. 114-120). St. Edmund’s College, Shillong, Meghalaya.
11. Syiem, M. B., Bhatacharjee, A. and Nongrum, N. A. (2009). Cadmium removal by an Anabaena sp. isolated from coal mining areas of Meghalaya, India. Proceedings International Conference on Changing Environmental Trends and Sustainable Development (pp. 129-133). G. J. University of Science & Technology, Hisar, India.
12. Syiem, M.B., Singh, A.K., and Rai. A.N. (2009) Nitrogen Metabolism in Cyanobacteria. In JIS Khattar, DP Singh and Gurpreet Kaur (Eds.) Algal Biology and Biotechnology (pp. 81-96). New Delhi: I K International Publishing House Pvt. Ltd.
13. Khumanthem N., Singh, A. K., Syiem, M. B. and Rai, A. N. (2009). Methylammonium uptake in the thermophilic cyanobacterium Mastigocladus laminosus. In A. Anand (Ed.) Biology and Biodiversity of Microalgae (pp. 331-340). Akshara Muthra Aalayam, Chennai.
14. Syiem, M. B., Rai, A. N. (2013). Cyanobacteria in symbiosis: cellular responses. In A. K. Srivastava, A. N. Rai and B. A. Neilan (Eds). Stress biology of Cyanobacteria (pp. 257-272). Boca Raton, Florida: CRC Press, Taylor & Francis Group.
15. Syiem, M.B., Singh, A.K., Rai, A.N. (2017). N₂-fixing cyanobacterial systems as biofertilizer. In J.S. Singh and G. Senevirante (Eds.) Agro-Environmental Sustainability (pp. 43-61). Switzerland: Springer International Publishing AG.
16. Rai, A.N., Singh, A.K., Syiem M.B. (2019) Plant growth-promoting abilities of cyanobacteria. In A. K. Mishra, D. N. Tiwari, A. N. Rai (Eds.) Cyanobacteria from Basic Science to Applications (pp. 459-476). Elsevier Academic Press AP. ISBN: 978-0-12-814667-5

BOOKLET WRITTEN

• Laboratory Safety Guidelines. (July, 2004). Authors: A. N. Rai and M. B. Syiem. By NEHU Publications.

SEMINARS/CONFERENCES ATTENDED(Paper, Poster, Abstracts)

1. Workshop on Electron Microscopy Organized by RSIC, Shillong in 1990.
2. International Symposium on Frankia and Actinorhizal plants. June 1995 Abstract: Effect of exogenous nitrogen sources on immobilized Frankia and its possible application.
3. Workshop on HPLC; New Developments in HPLC Instrumentation, Organized by Waters India in Collaboration with RSIC, NEHU, Shillong, August 01, 1997.
4. International conference on Radiation Biology Organized by Department of Biochemistry, NEHU, 1998.
5. National Seminar on Strategies for Agricultural Research in the North East. November, 1999. Abstract: Effect of fixed nitrogen and carbon sources on growth and heterocyst differentiation of free living cyanobacteria Nostoc sp
6. Workshop on People’s Participation in Biodiversity Conservation, Organized by the North Eastern Biodiversity Research Cell (NEBRC), NEHU, Shillong, March, 1999.

REFRESHER COURSES ATTENDED 

1.  Attended UGC Sponsored Refresher Course in Zoology Department (NEHU) from 15^th November – 07^th December, 2000.
2. Attended UGC Sponsored Refresher Course in Botany Department (NEHU) from 03^rd October – 25^th October, 2000.
3. Attended UGC Sponsored Refresher Course in Environmental Education Organized by Academic Staff College, Gauhati University, Guwahati from 07^th March – 27^th March, 2005.
4. Attended UGC Sponsored Refresher Course in Biological Sciences in School of Life Sciences (NEHU) from 05^th March – 27^th March, 2007.