Dr. Ram Ksrishna Tiwari

Dr. Ram Ksrishna Tiwari

Professor
Kashi Naresh Government Post Graduate College, India


Highest Degree
Ph.D. in Zoology from Banaras Hindu University, India

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Biography

Dr. Ram Ksrishna Tiwari is currently working as Professor at V.B.S. Purvanchal University, Jaunpur, India. He obtained his PhD. (Zoology) from Banaras Hindu University, Varanasi, India. His current area of expertise includes Insect haemocytes, Insect hormones, Plant based pesticides, Endocrinology, Insect Reproduction. In past he worked at Council for Scientific and Industrial Research India, Atomic Energy Commission Bombay, India, and also worked as Assistant Professor at Gorakhpur University, Associate Professor at V.B.S. Purvanchal University. He has published 58 research articles in journals as author/co-author. Under his guidance 14 research scholars have been awarded Ph.D. He has successfully undertaken his major research projects. He is member of following societies, The Association for Advancement of Entomology, Trivendram, Kerla, Bioved Research Society, Allahabad, Editorial Board, Bioved, Allahabad India, Board of Studies Purvanchal University, Jaunpur.

Area of Interest:

Plant and Soil Sciences
100%
Insect Physiology
62%
Endocrinology
90%
Insect Haemocytes
75%
Insect Reproduction
55%

Education

1974

Ph.D.

Banaras Hindu University, India

Zoology

1969

M.Sc.

Agra University, Agra, India

Zoology

Selected Publications

  1. Pandey, J.P., K. Jena, V.P. Gupta, A.K. Sinha, G.P. Singh and R.K. Tiwari, 2017. Identification of morpho-variants of plasmatocyte in haemolymph smears of Antheraea mylitta and its immune responses. Int. J. Adv. Res., 5: 1952-1957.

  2. Tiwari, R.K., J.P. Pandey and D. Kumar, 2016. Identification of new-morpho-variant of dragonfly, Neurothemis tullia tullia from carpet dye polluted region Bhadohi. Singapore J. Scient. Res., 6: 7-12.
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  3. Pandey, J.P., A.K. Sinha, K. Jena, P.K. Mishra and D. Kumar et al., 2014. Impact of starvation on cocoon character of tasar silkworm Antheraea mylitta. In. J. Applied Life Sci., 9: 1-9.

  4. Pandey, S., J.P. Pandey and R.K. Tiwari, 2012. Effect of some botanicals on hemocytes and molting of Papilio demoleus Larvae. J. Entomol., 9: 23-31.
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  5. Pandey, J.P. and R.K. Tiwari, 2012. An overview of insect hemocyte science and its future application in applied and biomedical fields. Am. J. Biochem. Mol. Biol., 2: 82-105.
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  6. Singh, A.K., R.K. Tiwari, P. Mishra and D.R. Kanaujia, 2011. Larval biology and seed production of Ganga river prawn Macrobrachium gangeticum (Bate). Asian Fish. Sci., 24: 140-154.

  7. Razzaq, M.A., S. Pandey and R.K. Tiwari, 2011. Toxicity assay of copper sulphate on fresh water fish Clarias batrachus (Linn.) and Heteropneustes fossilis (Bloch.). J. Exp. Zool. India, 14: 241-242.

  8. Razzak, M.A., S. Pandey and R.K. Tiwari, 2011. Copper sulfate stress induced histopathological changes in freshwater fish Clarias batarachous (Linn) and Heteropneustes fossilis (Bloch). J. Exp. Zool. India, 14: 371-376.

  9. Pandey, S., J.P. Pandey and R.K. Tiwari, 2011. Effect of some neem based insecticides on wing shape and pigmentation in lemon-butterfly, Papilio demoleus L. World Applied Sci. J., 13: 1356-1360.
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  10. Pandey, J.P. and R.K. Tiwari, 2011. Neem based insecticides interaction with development and fecundity of red cotton bug, Dysdercus cingulatus Fab. Int. J. Agric. Res., 6: 335-346.
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  11. Singh, A.K., R.K. Tiwari, D.R. Kanaujia and P. Mishra, 2009. Physico chemical characteristics of Ganga river water at Varanasi. J. Ecobiol., 25: 45-56.
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  12. Singh, A.K., R.K. Tiwari, D.R. Kanaujia and P. Mishra, 2009. Fishery of freshwater prawn in middle stretch of river Ganga near Varanasi. J. Exp. Zool. India, 12: 123-128.
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  13. Pandey, J.P., R.K. Tiwari, S. Pandey and D. Kumar, 2009. Morphological and quantitative studies of haemocytes in Danaus chrysippus Linn. (Lepidoptera: Nymphalidae). Entomon, 34: 247-251.

  14. Pandey, J.P., R.K. Tiwari, A.K. Chaubey, R. Tripathi and P.K. Mishra et al., 2009. A comparative study of haemocyte categories in some sericigenous and non-sericigenous insects. Indian J. Applied Life Sci., 5: 53-58.

  15. Pandey, J.P., R.K. Tiwari and D. Kumar, 2008. Reduction in haemocyte mediated immune response in Danais chrysippus following treatment with neem-based insecticides. J. Entomol., 5: 200-206.
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  16. Pandey, J.P., R.K. Tiwari and D. Kumar, 2008. Temperature and ganglionectomy stresses affect haemocyte counts in plain tiger butterfly, Danais chrysippus L. (Lepidoptera: Nymphalidae). J. Entomol., 5: 113-121.
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  17. Pandey, J.P., A.K. Upadhyay and R.K. Tiwari, 2007. Effect of some plant extracts on haemocyte count and moulting of Danais chrysippus larvae. J. Adv. Zool., 28: 14-20.

  18. Pandey, J.P. and R.K. Tiwari, 2007. Stress induced quantitative and structural changes in haemocyte of red cotton bug, Dysdercus koenigii (Heteroptera: Pyrrhocoridae). Indian J. Entomol., 69: 298-306.

  19. Tiwari, R.K., J.P. Pandey and D. Kumar, 2006. Effects of neem-based insecticides on metamorphosis, haemocytes and reproductive behavior in the red cotton bug, Dysdercus koenigii fabr. (Heteroptera : Pyrrhocoridae). Entomonology, 31: 267-275.
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  20. Tiwari, R.K. and J.P. Pandey, 2006. Effect of Aorta Severance and Haemolymph Transfusion on Total Haemocyte Count in Red Cotton Bug, Dysdercus koenigii Fabr. (Heteroptera: Pyrrhocoridae). In: Frontiers in Molecular Endocrinology of Invertebrates and Vertebrates, Gupta, A.D. and B. Senthilkumaran (Eds.). Vol. 2, Department of Animal Science, University of Hyderabad, India, pp: 6-12.

  21. Pandey, J.P. and R.K. Tiwari, 2005. Changes in haemocyte counts and fecundity following haemolymph withdrawals in red cotton bug, Dysdercus koenigii fabr. J. Exp. Zool. India, 8: 85-92.
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  22. Pandey, J.P. and R.K. Tiwari, 2005. Feeding, brain implantation and 20-hydroxyecdysone treatment reverses the effect of starvation and ventral nerve cord severance on haemocyte counts in larvae of the plain tiger butterfly Danaus chrysippus (Lepidoptera: Nymphalidae). Int. J. Trop. Insect Sci., 25: 295-300.
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  23. Pandey, J.P. and R.K. Tiwari, 2004. Haemolymph withdrawal affects haemocyte count and moulting in plain tiger-butterfly, Danais chrysippus L. Proc. Nat. Acad. Sci. India, 74B: 7-16.

  24. Mishra, A. and R.K.F. Tiwari, 2004. Fluctuation in total haemocyte count during postembryonic development of the red cotton bug, Dysdercus koenigii. J. Exp. Zool. India, 8: 129-134.

  25. Pandey, J.P., R.K. Tiwari and A.K. Chaubey, 2003. Studies on haemocytes of lemon-butterfly, Papilio demoleus L. under certain stress conditions. J. Anim. Morphol. Physiol., 50: 33-44.

  26. Pandey, J.P., R.K. Tiwari and A.K. Chaubey, 2003. Effects of repeated haemolymph withdrawals on haemocyte counts and moulting in lemon-butterfly, Papilio demoleus L. Indian J. Exp. Biol., 41: 1436-1441.
    PubMed  |  Direct Link  |  

  27. Tiwari, R.K., R.S. Shukla and A.K. Chaubey, 2002. Temporal changes in ventral nerve cord and mechanism of its condensation in lemon butterfly Papilio demoleus L. J. Exp. Zool. India, 5: 9-16.

  28. Tiwari, R.K., J.P. Pandey and R. Salehi, 2002. Haemopoietic organs and effect of their ablation on total haemocyte count in lemon-butterfly, Papilio demoleus L. Indian J. Exp. Biol., 40: 1202-1205.
    PubMed  |  Direct Link  |  

  29. Tiwari, R.K., D.P. Agrawal and A.K. Chaubey, 2002. Failure of cocoon spinning and pupal moulting in space deprived larvae of tassar silk moth, Antheria mylitta. J. Adv. Zool. India, 23: 30-32.

  30. Shukla, V., R.K. Tiwari and D.P. Agarval, 2001. Hepatoprotective role of Picroliv isolated from Picrorhiza kurroa on alcohol-induced liver necrosis. Adv. Pharmacol. Toxicol., 2: 9-16.

  31. Tiwari, R.K. and R.S. Shukla, 2000. Effect of certain stresses and 20-hydroxyecdysone injection on total haemocyte count in lemon-butterfly, Papilio demoleus L. (Lepidoptera). Proc. Natl. Acad. Sci. India, 70: 243-254.

  32. Shukla, V., A.K. Srivastava and R.K. Tiwari, 2000. Role of lipid peroxides, glutathione and scavenging enzymes in rats chronically fed ethanol. J. Exp. Zool. India, 3: 189-192.

  33. Shukla, V., A. Kumar, S.K. Tandon and R.K. Tiwari, 2000. Erythrocyte enzymes δ-aminolevulinic acid dehydratase and lead poisoning. J. Exp. Zool. India, 3: 199-202.

  34. Tiwari, R.K., R.S. Shukla, A. Mishra and D.P. Agrawal, 1999. Effect of feeding, methoprene and 20-hydroxyecdysone treatment on total haemocyte count in starved larvae of the lemon-butterfly, Papilio demoleus (Papilionidae: Lepidoptera). J. Exp. Zool., 2: 203-206.

  35. Tiwari, R.K., R.S. Shukla, A. Mishra and A.Verma, 1999. Effects of ventral nerve cord and peripheral nerves severance on the form and pupation of Danais chrysippus larvae (Lepidoptera). J. Adv. Zool., 20: 32-38.

  36. Tiwari, R.K. and R.S. Shukla, 1999. Innervation of the Prothoracic Glands in Insect and its Possible Significance. In: Recent Advances in insect Endocrinology and Physiology, Bhola, R.K. (Ed.). Kalyani Publishers, India, pp: 125-135.

  37. Tiwari, R.K., R.S. Shukla and A. Mishra, 1997. Effect of sectioning of ventral nerve cord on total haemocyte count in lemon butterfly, Papilio demoleus L. Indian J. Exp. Biol., 35: 1378-1380.
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  38. Tiwari, R.K., R.S. Shukla and A. Mishra, 1996. Effect of cauterisation of the thoracic ganglia in the larvae of lemon-butterfly, Papilio demoleus L. Indian J. Exp. Biol., 34: 1138-1140.

  39. Tiwari, R.K., R.S. Shukla, K.P. Srivastava, R. Salehi and A.K. Mishra, 1994. Effect of certain external stresses on the larval development of the lemon-butterfly, Papilio demoleus-an endocrine mechanism. Bioved, 5: 159-166.

  40. Agraval, D.P., R.K. Tiwari, R.S. Shukla and A.K. Mishra, 1994. Histochemical studies of adipose tissue of some insects with special reference to sexual differences. Bioved, 5: 185-192.

  41. Shukla, R.S., R.K. Tiwari and D.P. Agrawal, 1993. Effect of ganglionectomy on the larval body from and metamorphosis of the Lemon-butterfly, Papilio demoleus L. (Lepidoptera). Zoologische Jahrbucher. Abteilung Allgemeine Zoologie Physiologie Tiere, 97: 277-283.
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  42. Tiwari, R.K. and R.S. Shukla, 1992. Morphometric interaction between the brain and prothoracic glands in the lemon-butterfly, Papilio demoleus L. (Lepidoptera: Papilionidae). Ann. Entomol., 10: 9-11.

  43. Tiwari, R.K. amd R.S. Shukla, 1992. Air swallowing and body distention in larvae of the lemon butterfly, Papilio demoleus induced by the nerve cord surgery. J. Ecobiol., 4: 233-235.

  44. Tiwari, R.K., R.S. Shukla, K.P. Srivastava and M.R.K. Singh, 1991. Effect of certain physical stresses on larval development of the lemon-butterfly, Papilio demoleus L. Bioved, 2: 55-58.

  45. Tiwari, R.K. and R.S. Shukla, 1991. A record of the parasitism of Sturmia convergens Weidmann (Diptera: Tachinidae) on Danais chrysippus Linn. from Varanasi, Uttar Pradesh. Bioved, 2: 223-224.

  46. Srivastava, K.P., J.N. Tiwari, R.K. Tiwari, R.L. Katiyar and M.R.K. Singh, 1991. The role of lateral oviducts in the maturation of ovaries in the red cotton bug, Dysdercus koenigii Fabr. (Hemiptera). Proc. Indian Natn. Sci. Acad. B, 57: 245-249.
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  47. Srivastava, K.P., R.L. Katiyar, R.K. Tiwari, J.N. Tiwari and J. Jalali, 1990. Effects of a juvenoid on the morphogenesis of the female reproductive organs in Dysdercus koenigii Fabr. (Hemiptera). Proc. Natl. Acad. Sci. India, 56: 397-401.

  48. Awasthi, V.K., K.P. Srivastava, R.K. Tiwari, R. Salehi and J.N. Tiwari, 1990. Neuroendocrine system of the bedbug Cimex hemipterus Fabr. (Heteroptera: Cimicidae). Proc. Natl. Acad. Sci. India, 56: 151-156.

  49. Tiwari, R.K., K.P. Srivastava and J.N. Tiwari, 1989. Role of ventral nerve cord and peripheral nerves in metamorphosis and nerve cord shortening in the lemon-butterfly, Papilio demoleus L. Insect Sci. Applic., 10: 319-325.
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  50. Tiwari, R.K. and R. Shukla, 1989. On the innervation of the prothoracic glands in the plain tiger butterfly, Danais chrysippus Linn. Entomon, 14: 353-356.

  51. Tiwari, R.K., J.N. Tiwari and K.P. Srivastava, 1987. Innervation of the prothoracic glands and its possible significance in the larva of the castormoth, Trabela vishnu (Lepidoptera). Curr. Sci., 56: 1125-1126.
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  52. Srivastava, K.P., R.L. Katiyar, R.K. Tiwari, H.H. Singh and V.K. Avasthi, 1982. Aantomical and histochemical changes in the prothoracic glands of the lemon-butterfly, Papilio demoleus L. (Lepidoptera) during larval-pupal development. Etomon, 7: 349-359.

  53. Tiwari, R.K. and K.P. Srivastava, 1979. Corpus allatum in relation to egg maturation in the red cotton bug, Dysdercus koenigii (Heteroptera). Acta Entomologica Bohemoslovaca, 76: 175-180.

  54. Srivastava, K.P. and R.K. Tiwari, 1978. Effect of ovariectomy on the corpus allatum area, gut contents and fat body in the red cotton bug Dysdercus koenigii. Indian J. Exp. Biol., 16: 107-109.

  55. Srivastava, K.P. and R.K. Tiwari, 1978. Effect of cardiacectomy and aorta severance on moulting and egg maturation in the red cotton bug Dysdercus koenigii. Indian J. Exp. Biol., 16: 997-998.

  56. Srivastava, K.P., R.K. Tiwari and P. Kumar, 1977. Effect of sectioning the prothoracic gland nerves in the larva of the lemon-butterfly, Papilio demoleus L. Experientia, 33: 98-99.
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  57. Tiwari, R.K., K.P. Srivastava and H.H. Singh, 1975. Studies on the neurosecretory system of the paddy-bug, Leptocorisa varicornis Fabricius (Heteroptera: Coreidae). Zoologische Beitrage, 21: 105-112.

  58. Tiwari, R.K. and K.P. Srivastava, 1975. Studies on the neurosecretory system and retrocerebral endocrine organs in the red cotton bug, Dysdercus koenigii Fabr. (Heteroptera : Pyrrhocoridae). Zoomorphology 81: 355-364.
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  59. Srivastava, K.P., H.H. Singh and R.K. Tiwari, 1975. Neuroendocrine organs of the lemon-butterfly, Papilio demoleus L.I. The corpora cardiaca-allata complex of the larva. Zeitschrift Mikroskopisch-Anatomische Forschung, 89: 415-422.
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  60. Srivastava, K.P., R.K. Tiwari and H.H. Singh, 1974. Histological study on the retrocerebral endocrine-aortal complex of the water-bug, Sphaerodema annulatum (Heteroptera: belostomatidae) with reference to secretory inclusions. Zeitschrift Mikroskopisch-Anatomische Forschung, 88: 585-595.
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  61. Srivastava, K.P. and R.K. Tiwari, 1973. Secretory factors in the retrocerebral endocrine-aortal complex of the water-bug, Sphaerodema annulatum (Heteroptera: Belostomatidae). Gen. Comp. Endocrinol., 21: 398-401.
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