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The Education team here at the University of Nottingham’s School of Life Sciences is a diverse, collaborative group of acadmics, all working together to review and improve the ways we teach.

Image of Tamsin Majerus

Tamsin Majerus

Associate Professor and Director of Equality, Diversity and Inclusion (EDI), Faculty of Medicine & Health Sciences

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Research Summary

My research uses genetic and genomic resources to investigate the colour-pattern polymorphism in Adalia bipunctata and A. decempunctata, the 2- and 10-spot ladybirds.

I have a long-term interest in the phenomenon of male-killing, its causes and evolutionary consequences. I have investigated this in several species of ladybird, both British and Asian, primarily Harmonia axyridis, otherwise known as the Harlequin ladybird.

Selected Publications

  • BAYOUMY, MOHAMED H., GHANIM, NABIL M. and MAJERUS, TAMSIN M. O., 2019. Limb Regeneration and Interference Competition Consequences on Foraging Efficiency of Coccinella undecimpunctata and Hippodamia variegata (Coccinellidae: Coleoptera) to Their Prey, Aphis craccivora (Hemiptera: Aphididae) JOURNAL OF ECONOMIC ENTOMOLOGY. 112(2), 577-584
  • BAYOUMY, MOHAMED H., AWADALLA, HAGAR S., FATHY, DINA M. and MAJERUS, TAMSIN M. O., 2018. Beyond killing: intra- and interspecific nonconsumptive effects among aphidophagous competitors ECOLOGICAL ENTOMOLOGY. 43(6), 794-803
  • MAJERUS, TMO and MAJERUS, MEN, 2012. Male-Killing In The Coccinellidae: Testing The Predictions Evolutionary Ecology. 26(1), 207-225
  • TYSON, J, MAJERUS T.M.O and WALKER, S. AND ARMOUR, J.A.L., 2010. Screening for common copy-number variants in cancer genes. Cancer Genetics & Cytogenetics. 203(2), 316-323
  • MAJERUS, TAMSIN M O and MAJERUS, MICHAEL E N, 2010. Intergenomic arms races: detection of a nuclear rescue gene of male-killing in a ladybird. PLoS pathogens. 6(7), e1000987
  • MAJERUS, TAMSIN M. O. and MAJERUS, MICHAEL E. N., 2010. Discovery and identification of a male-killing agent in the Japanese ladybird Propylea japonica (Coleoptera: Coccinellidae) BMC EVOLUTIONARY BIOLOGY. 10,
  • TYSON, J, MAJERUS, T.M.O and WALKER, S. AND ARMOUR, J.A.L., 2009. Quadruplex MAPH: improvement of throughput in high-resolution copy number screening. BMC Genomics. 10, 453
  • MAJERUS T.M.O., 2001. The Evolutionary Genetics of Male killing in the Coccinellidae. At: University of Cambridge and University of Cambridge, Department of Genetics Libraries
  • MAJERUS, M.E.N and GEOGHEGAN, I.E. & MAJERUS, T.M.O., 2000. Adaptive preferential selection of young coccinellid hosts by the parasitoid wasp Dinocampus coccinellae (Hymenoptera: Braconidae). Eur. J. Entomol.. 97, 161-164
  • VON DER SCHULENBURG, JHVDG, MAJERUS, TMO, DORZHU, CM, ZAKHAROV, IA, HURST, GDD and MAJERUS, MEN, 2000. Evolution of male-killing Spiroplasma (Procaryotae: Mollicutes) inferred from ribosomal spacer sequences. The Journal of general and applied microbiology. 46(2), 95-98
  • MAJERUS, M.E.N. & MAJERUS, T.M.O., 2000. Female-biased sex ratio due to male-killing in the Japanese ladybird Coccinula sinensis. Ecological Entomology. 25, 234-238
  • MAJERUS, M.E.N and MAJERUS, T.M.O. & CRONIN, A., 1999. The inheritance of a melanic form of the 7 spot ladybird, Coccinella septempunctata L. (Coleoptera: Coccinellidae). Brit. J. Ent. Nat. Hist.. 11, 180-184
  • MAJERUS, T M, GRAF VON DER SCHULENBURG, J H, MAJERUS, M E and HURST, G D, 1999. Molecular identification of a male-killing agent in the ladybird Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae). Insect molecular biology. 8(4), 551-5
  • HURST, G D, GRAF VON DER SCHULENBURG, J H, MAJERUS, T M, BERTRAND, D, ZAKHAROV, I A, BAUNGAARD, J, VÖLKL, W, STOUTHAMER, R and MAJERUS, M E, 1999. Invasion of one insect species, Adalia bipunctata, by two different male-killing bacteria. Insect molecular biology. 8(1), 133-9
  • GEOGHEGAN, I.E and MAJERUS, T.M.O. & MAJERUS, M.E.N., 1998. A record of a rare male of the parthogenetic parasitoid Dinocampus coccinellae (Schrank) (Hymenoptera: Braconidae). Ent. Rec. J. Var.. 110, 171-172
  • MAJERUS, T.M.O, MAJERUS, M.E.N, KNOWLES, B, WHEELER, J, BETRAND, D, KUZNETSOV, V.N and UENO, H. & HURST, G.D.D., 1998. Extreme variation in the prevalence of inherited male-killing microorganisms between three populations of Harmonia axyridis (Coleoptera: Coccinellidae). Heredity. 81, 683-691
  • GEOGHEGAN, I.E and MAJERUS, T.M.O. & MAJERUS, M.E.N., 1998. Differential parasitisation of adult and pre-imaginal Coccinella 7-punctata (Coleoptera: Coccinellidae) by Dinocampus coccinellae (Schrank) (Hymenoptera: Braconidae). Eur. J. Entomol.. 95, 571-579
  • MAJERUS, M.E.N. & MAJERUS, T.M.O., 1998. Mimicry among the ladybirds. Bull. Amat. Ent Soc.. 57, 126-140
  • MAJERUS, M.E.N, MAJERUS, T.M.O and BERTRAND, D. & WALKER, L.E., 1997. The geographic distributions of ladybirds (Coleoptera: Coccinellidae) in Britain (1984-1994). Ent. Mon. Mag.. 133, 181-203
  • MAJERUS, M.E.N and & MAJERUS, T.M.O., 1997. Cannibalism among ladybirds. Bull. Amat. Ent Soc.. 56, 235-248
  • HURST, G.D.D, HAMMARTON, T.M, BANDI, C, MAJERUS, T.M.O and BERTRAND, D. & MAJERUS, M.E.N., 1997. The diversity of inherited parasites of insects: the male-killing agent ot the ladybird beetle Coleomegilla maculata is a member of the Flavobacteria. Genet. Res.. 70, 1-6
  • MAJERUS, M.E.N. & MAJERUS, T.M.O., 1997. Predation of ladybirds by birds in the wild. Ent. Mon. Mag.. 133, 56-61 (In Press.)
  • MAJERUS, M.E.N. & MAJERUS T.M.O., 1997. Feeding of Lepidoptera on oak tree sap. Bull. Amat. Ent. Soc.. 56, 23-26
  • HURST, G D, HAMMARTON, T C, OBRYCKI, J J, MAJERUS, T M, WALKER, L E, BERTRAND, D and MAJERUS, M E, 1996. Male-killing bacterium in a fifth ladybird beetle, Coleomegilla maculata (Coleoptera:Coccinellidae). Heredity. 77 ( Pt 2), 177-85
  • MAJERUS, M.E.N. & MAJERUS, T.M.O., 1996. Ladybird population explosions. Brit. J. Ent. Nat. Hist.. 9, 65-76
  • MADUEÑO, E, PAPAGIANNAKIS, G, RIMMINGTON G, SAUNDERS, R.D.C, SAVAKIS, C, SIDÉN-KIAMOS, I, SKAVDIS, G, SPANOS, L, TREANEAR, J, ADAM, P, ASHBURNER, M, BENOS, P, BOLSHAKOV, V.N, COULSON, D, GLOVER, D. M, HERRMANN, S, KAFATOS, F. C, LOUIS, C and MAJERUS, T. AND MODOLELL, J, 1995. A physical map of the X chromosome of Drosophila melanogaster: cosmid contigs and sequence tagged sites. Genetics. 139, 1631-1647
  • HURST, G.D.D, SHARPE, R.G, BROOMFIELD, A.H, WALKER, L.E, MAJERUS, T.M.O and ZAKHAROV, I.A. & MAJERUS, M.E.N., 1995. Sexually transmitted disease in a promiscuous insect, Adalia bipunctata L.. Ecological Entomology. 20, 230-236
  • AMOS, W, BANCROFT, D, MAJERUS, T.M.O, BARRETT, J.A, DESPORTES, G and BLOCH, D. AND DOVER, G.A., 1992. A review of the breeding system and social structure in the Faeroese pilot whale as revealed by molecular techniques. Rep. int. Whal. Commn.. 14(special issue), 209-217
  • SIDÉN-KIAMOS, I, SAUNDERS, R D, SPANOS, L, MAJERUS, T, TREANEAR, J, SAVAKIS, C, LOUIS, C, GLOVER, D M, ASHBURNER, M and KAFATOS, F C, 1990. Towards a physical map of the Drosophila melanogaster genome: mapping of cosmid clones within defined genomic divisions. Nucleic Acids Research. 18(21), 6261-70
  • AMOS, B and MAJERUS, T.M.O. AND DOVER, G.A., 1989. Population characteristic patterns revealed in hypervariable DNA sequences. Rep. int. Whal. Commn.. 1-15

Education Division

School of Life Sciences
University of Nottingham
Medical School
Queen's Medical Centre
Nottingham NG7 2UH