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                    U.S. DEPARTMENT OF AGRICULTURE
 Weed and Insect Biology Research: Fargo, ND
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ARS Home Plains Area Fargo, North Dakota Edward T. Schafer Agricultural Research Center Weed and Insect Biology Research People & Locations







Arun  Rajamohan
                        Weed and Insect Biology Research

                        




                        
                        Research Biologist
                        Phone: (701) 239-1249
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsEnhancing Pollinator Health and Availability Through Conservation of Genetic Diversity and Development of Novel Management Tools and Strategies
                                                    In-House Appropriated
                                                                    (D)Accession Number: 437657Cryopreservation of Shrimp Germplasm
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 440205Overwintering Physiology of Insect Pollinators and Pests
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 444604Cryopreservation of Anopheles Mosquitoes
                                                    Trust Fund Cooperative Agreement
                                                                    (T)Accession Number: 440125**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Thermal biology and overwintering behavior of the red sunflower seed weevil (Coleoptera: Curculionidae)

- (Peer Reviewed Journal)Pantzke, S., Ferguson, B., Rajamohan, A., Rinehart, J.P., Prischmann-Voldseth, D., Prasifka, J.R. 2023. Thermal biology and overwintering behavior of the red sunflower seed weevil (Coleoptera: Curculionidae). Environmental Entomology. https://doi.org/10.1093/ee/nvad041.Sperm can't take the heat: Short-term temperature exposures compromise fertility of male bumble bees (Bombus impatiens)
                                                        

- (Peer Reviewed Journal)Campion, C., Rajamohan, A., Dillon, M. 2023. Sperm can't take the heat: Short-term temperature exposures compromise fertility of male bumble bees (Bombus impatiens). Journal of Insect Physiology. 146(2023). Article 104491. https://doi.org/10.1016/j.jinsphys.2023.104491.Vitrification of lepidopteran embryos - a simple protocol to cryopreserve the embryos of the sunflower moth, Homoeosoma electellum
                                                        

- (Peer Reviewed Journal)Rajamohan, A., Prasifka, J.R., Rinehart, J.P. 2022. Vitrification of lepidopteran embryos - a simple protocol to cryopreserve the embryos of the sunflower moth, Homoeosoma electellum. Insects. 13(10). Article 959. https://doi.org/10.3390/insects13100959.Vitrification of manually stage selected embryos of Drosophila melanogaster have significantly higher survival and adult emergence
                                                        

- (Peer Reviewed Journal)Debardlabon, K.M., Rajamohan, A., Rinehart, J.P. 2022. Vitrification of manually stage selected embryos of Drosophila melanogaster have significantly higher survival and adult emergence. Journal of Cryobiology. 105:83-87. https://doi.org/10.1016/j.cryobiol.2022.01.002.Section 6: Collection and cryopreservation of germplasm and tissues
                                                        

- (Book / Chapter)Blesbois, E., Purdy, P.H., Santiago Moreno, J., Liptói, K., Rajamohan, A., De Souza-Fabjan, J., Somfai, T., Parnpai, R., McGrew, M.J., Mermillod, P., Bailey, J. 2023. Section 6: Collection and cryopreservation of germplasm and tissues. In: Boes, J., Boettcher, P., Honkatukia, M., editors. Innovations in Cryoconservation of Animal Genetic Resources - Practical Guide. FAO Animal and Health Guidelines, No. 33. Rome, Italy. p. 105-157. https://doi.org/10.4060/cc3078en.Comparative analysis of cryopreservation of seminal vesicle derived spermatozoa from Bombus impatiens and Apis mellifera - Implications for artificial insemination of bumble bees
                                                        

- (Peer Reviewed Journal)Campion, C.C., Rajamohan, A., Rinehart, J.P. 2021. Comparative analysis of cryopreservation of seminal vesicle derived spermatozoa from Bombus impatiens and Apis mellifera - Implications for artificial insemination of bumble bees. Journal of Cryobiology. 102:136-139. https://doi.org/10.1016/j.cryobiol.2021.06.002.Section 3: Choice of biological material to be preserved
                                                        

- (Book / Chapter)Purdy, P.H., Blesbois, E., Santiago Moreno, J., Parnpai, R., Smits, K., Somfai, T., Liptói, K., Rajamohan, A., McGrew, M.J., Roelen, B., Várkonyi, E.P., Loi, P., Paiva, S.R., Lessard, C., Zhao, X., Blackburn, H.D., Woelders, H., Bailey, J. 2023. Section 3: Choice of biological material to be preserved. In: Boes, J., Boettcher, P., Honkatukia, M., editors. Innovations in Cryoconservation of Animal Genetic Resources - Practical Guide. FAO Animal and Health Guidelines, No. 33. Rome, Italy. p. 41-68. https://doi.org/10.4060/cc3078en.Comparison of fluctuating thermal regimes and commercially achievable constant-temperature regimes for short-term storage of the alfalfa leafcutting bee (Hymenoptera: Megachilidae)
                                                        

- (Peer Reviewed Journal)Yocum, G.D., Rajamohan, A., Rinehart, J.P. 2021. Comparison of fluctuating thermal regimes and commercially achievable constant-temperature regimes for short-term storage of the alfalfa leafcutting bee (Hymenoptera: Megachilidae). Journal of Economic Entomology. https://doi.org/10.1093/jee/toab019.Physiological responses to cryoprotectant treatment in an early larval stage of the malaria mosquito, Anopheles gambiae
                                                        

- (Peer Reviewed Journal)Campbell, J.B., Dosch, A., Hunt, C.M., Dotson, E.M., Benedict, M.Q., Rajamohan, A., Rinehart, J.P. 2021. Physiological responses to cryoprotectant treatment in an early larval stage of the malaria mosquito, Anopheles gambiae. Journal of Cryobiology. https://doi.org/10.1016/j.cryobiol.2020.12.001.A non-activating diluent to prolong in vitro viability of Apis mellifera spermatozoa: Effects on cryopreservation and on egg fertilization
                                                        

- (Peer Reviewed Journal)Rajamohan, A., Danka, R.G., Hopkins, B.K., Rinehart, J.P. 2020. A non-activating diluent to prolong in vitro viability of Apis mellifera spermatozoa: Effects on cryopreservation and on egg fertilization. Journal of Cryobiology. 92:124-129. https://doi.org/10.1016/j.cryobiol.2019.11.045.Generalized linear mixed model approach to time-to-event data with censored observations

- (Proceedings)Yeater, K.M., Yocum, G.D., Rinehart, J.P., Rajamohan, A., Bowsher, J., Greenlee, K. 2019. Generalized linear mixed model approach to time-to-event data with censored observations. In: Proceedings of the Southeast SAS Users Group Conference, October 20-22, 2019. Williamsburg, Virginia.Thermoprofile parameters affect survival of Megachile rotundata during exposure to low-temperatures
                                                        

- (Peer Reviewed Journal)Yocum, G.D., Rinehart, J.P., Rajamohan, A., Bowsher, J.H., Yeater, K.M., Greenlee, K.J. 2019. Thermoprofile parameters affect survival of Megachile rotundata during exposure to low-temperatures. Integrative & Comparative Biology. 59(4):1089-1102. https://doi.org/10.1093/icb/icz126.Genotoxicity assessment of agrochemicals on honey bee spermatozoa using the TUNEL assay [abstract]

- (Abstract Only)Campion, C., North, H.A., Rajamohan, A., Bowsher, J.H. 2019. Genotoxicity assessment of agrochemicals on honey bee spermatozoa using the TUNEL assay [abstract]. 2019 International Pollinator Conference, July 17-20, 2019, Davis, CA. p. 16.The impact of thiamethoxam on drone navigation and behavior [abstract]

- (Abstract Only)North, H.A., Campion, C., Rajamohan, A., Bowsher, J.H. 2019. The impact of thiamethoxam on drone navigation and behavior [abstract]. 2019 International Pollinator Conference, July 17-20, 2019, Davis, CA. p. 32.Improved spring low-temperature storage of Megachile rotundata

- (Abstract Only)Yocum, G.D., Rajamohan, A., Bowsher, J.H., Greenlee, K.J. 2019. Improved spring low-temperature storage of Megachile rotundata [abstract]. 2019 International Pollinator Conference, July 17-20, 2019, Davis, CA. p. 42.Environmental history impacts gene expression during diapause development in the alfalfa leafcutting bee, Megachile rotundata
                                                        

- (Peer Reviewed Journal)Yocum, G.D., Childers, A.K., Rinehart, J.P., Rajamohan, A., Pitts Singer, T., Greenlee, K.J., Bowsher, J.H. 2018. Environmental history impacts gene expression during diapause development in the alfalfa leafcutting bee, Megachile rotundata. Journal of Experimental Biology. 221:jeb173443. https://doi.org/10.1242/jeb.173443.Effect of cryopreservation on the pre-hatching behavior in the Mexican fruit fly Anastrepha ludens Loew (Diptera, Tephritidae)

- (Peer Reviewed Journal)Rajamohan, A., Rinehart, J.P., Leopold, R.A. 2018. Effect of cryopreservation on the pre-hatching behavior in the Mexican fruit fly Anastrepha ludens Loew (Diptera, Tephritidae). Cryobiology. 80:38-42. https://doi.org/10.1016/j.cryobiol.2017.12.007.Toxicity assessment of glyphosate on honey bee (Apis mellifera) spermatozoa

- (Abstract Only)Hoopman, A., North, H., Rajamohan, A., Bowsher, J. 2018. Toxicity assessment of glyphosate on honey bee (Apis mellifera) spermatozoa [abstract]. The Society for Integrative & Comparative Biology (SCIB) Annual Meeting 2018. January 3-7, 2018. San Francisco, CA. P2-21.The geometric framework for nutrition reveals interactions between protein and carbohydrate during larval growth in honey bees

- (Peer Reviewed Journal)Helm, B.R., Slater, G.P., Rajamohan, A., Yocum, G.D., Greenlee, K.J., Bowsher, J.H. 2017. The geometric framework for nutrition reveals interactions between protein and carbohydrate during larval growth in honey bees. Biology Open. 6(6):872-880. doi:10.1242/bio.022582.Diapause in the alfalfa leafcutting bee, Megachile rotundata: Environmental history impact on gene expression

- (Abstract Only)Yocum, G.D., Childers, A.K., Rajamohan, A., Rinehart, J.P., Pitts Singer, T., Greenlee, K.J., Bowsher, J.H. 2017. Diapause in the alfalfa leafcutting bee, Megachile rotundata: Environmental history impact on gene expression [abstract]. Proceedings of the XXV International Plant and Animal Genome, January 14-18, 2017, San Diego, CA. Poster # P0196.Cryopreservation of embryos of the Mediterranean fruit fly Ceratitis capitata Vienna 8 Genetic Sexing Strain
                                                        

- (Peer Reviewed Journal)Augustinos, A., Rajamohan, A., Kyritsis, G., Zacharopoulou, A., Haq, I., Targovska, A., Caceres, C., Bourtzis, K., Abd-Alla, A.M. 2016. Cryopreservation of embryos of the Mediterranean fruit fly Ceratitis capitata Vienna 8 Genetic Sexing Strain. PLoS One. 11(8):e0160232. Available: http://dx.doi.org/10.1371/journal.pone.0160232.Long term storage of bee semen – A six month assessment of cryopreserved semen quality using motility as an index

- (Abstract Only)


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