Publications by Boris Baer
Links to download papers are added if available, for reprints please write an E-mail to boris.bar@ucr.edu.
2020
- Duffy, C., Sorolla, A., Wang, E., Golden, E., Woodward, E., Davern, K., Ho, D., Johnstone, E., Pfleger, K., Redfern, A., Swaminathan Iyer, K., Baer, B. & Blancafort, P. Honeybee venom and melittin suppress growth factor receptor activation in HER2-enriched and triple-negative breast cancer. npj Precis. Onc. 4:24.
- Download from NPJ Precision Oncology or read Abstract.
- Baer, B. Sexual Selection in Social Insects. In: Starr (Eds) Encyclopedia of Social Insects. Springer, Cham.
- Download from Encyclopedia of Social Insects.
- Baer, B. Sperm Competition. In: Starr (Eds) Encylopedia of Social Insects. Springer, Cham.
- Download from Encyclopedia of Social Insects.
- Mitchell, D., Aebi, A., Sanchez-Bayo, F., Goulson, D., Simon Delso, N., Brodschneider, R., Bijleveld van Lexmond, M., Baer, B., Arnold, G., Eyer, M. & Safer, A. B. engendered symbionts to safeguard honeybee health and their pollinations services: a response. eLetters, Science 10.1126/science.aax9039.
- Download from Science.
2019
Liberti, J., Goerner, J., Welch, M., Dosselli, R., Schiøtt, M, Ogawa, Y., Castleden, I., Hemmi, J. M., Baer-Imhoof, B., Boomsma, J. J. & Baer, B. Seminal fluid compromises visual perception in honeybee queens reducing their survival during additional mating flights. Elife 8: e45009.
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Al Naggar, Y. & Baer, B. Consequences of a short time exposure to a sublethal dose of flupyradifone (Sivanto) pesticide early in life on survival and immunity in the honeybee (Apis mellifera). Sci. Rep. 9(1): 1-11.
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Brutscher, L., Baer, B. & Nino, E. Putative drone copulation factors regulating honey bee (Apis mellifera) queen reproduction and health: A Review. Insects 10(1): 8.
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Dosselli, R., Grassl, J., den Boer, S. P. A., Kratz, M., Moran, J. M., Boomsma, J. J., & Baer, B. Protein-level interactions as mediators of sexual conflict in ants. MCP 18: 2-13.
Download from Molecular & Cellular Proteomics or read Abstract.
2018
Grassl, J., Holt, S., Cremen, N., Peso, M.,Hahne, D. & Baer, B. Synergistic effects of pathogen and pesticide exposure on honey bee (Apis mellifera) survival. J. Inv. Pathol.: in press.
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Shaw, J., Boyd, A., House, M., Cowin, G., & Baer, B. Multi-modal imaging and analysis in the search for iron-based magnetoreceptors in the honeybee Apis mellifera. R. Soc. Open Sci. 5(9): 181163.
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Liberty, J., Baer, B. & Boomsma, J. J. Rival seminal fluid induces enhances sperm motility in a polyandrous ant. BMC Evol. Biol.18: 28.
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Cherasse, S., Baer, B., Schist, M. & Boomsma, J. J. Differential immune-gene expression in sperm storage organs of leaf cutter ants. J. Exp. Biol. 18: 28.
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2017
Paynter, E., Millar, A. H., Welch, M., Baer-Imhoof, B., Coa, D., & Baer, B. Insights into the molecular basis of long-term storage and survival of sperm in the honeybee (Apis mellifera). Sci. Rep. 7: 40236.
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Grassl, J., Peng, Y., Baer-Imhoof, B., Welch, M., Millar, A. H., & Baer, B. Infections with the sexually transmitted pathogen Nosema apis trigger an immune response in the seminal fluid of honey bees (Apis mellifera) J. Prot. Res. 16(1): 319-334.
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2016
Dosselli, R., Grassl, J., Carson, A., Simmons, L. W., & Baer, B. Flight behaviour of honey bee (Apis mellifera) workers is altered by early infections of the fungal parasite Nosema apis Sci. Rep. 6: 36649.
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Kurze, C., Dosselli, R., Grassl, J., Le Conte, Y., Kryger, P., Baer, B. & Moritz, R. Differential proteomics reveals novel insights into Nosema - honey bee interactions Insect Biochem. Mol. Biol. 79: 42-49.
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Liberti, J., Baer, B. & Boomsma, J. J. Queen reproductive tract secretions enhance sperm motility in ants Biol. Letters 12: 20160722.
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Peng, Y., Grassl, J., Millar, A. H. & Baer, B. Seminal fluid of honey bees contains multiple mechanisms to combat infections of the sexually transmitted pathogen Nosema apis Proc. R. Soc. B. 283: 20151785.
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Baer, B., Collins, J., Maalaps, K. & den Boer, S. P. A. Sperm use economy of honeybee (Apis mellifera) queens Ecol. Evol. 6(9): 2877-2885.
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Baer, B. & Millar, A.H. Proteomics in Evolutionary Ecology J. Prot. 135: 4-11.
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Collins, J., Baer, B. & Weber, E.J. Evolutionary Biology in Economics: A Review The Econ. Rec. 92: 291–312.
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Baer, B. Proximate and ultimate consequences of polyandry in ants (Hymenoptera: Formicidae) Myrmecol. News 22: 1-9.
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2015
Peng, Y., Baer-Imhoof, B., Millar, A.H. & Baer, B. Consequences of Nosema apis infection for male honey bees and their fertility Sci. Rep., 5: 10565.
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Roberts, K., Evison, S., Baer, B. & Hughes, W.O.H. The cost of promiscuity: Sexual transmission of Nosema microsporidian parasites in polyandrous honey bees Sci. Rep., 5: 10982, 1-7.
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Hoppe, P. P., Safer, A., Amaral-Rogers, V., Bonmatin, J. M., Goulson, D., Menzel, R., & Baer, B. Effects of a neonicotinoid pesticide on honey bee colonies: a response to the field study by Pilling et al. (2013) Environ. Sci. Eur., 27: 28.
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Shaw, J., Boyd, A., House, M., Woodward, R., Mathes, F., Cowin, G., Saunders, M., & Baer, B. Magnetic particle mediated magnetoreception J. R. Soc. Interface, 12: 20150499.
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Baer, B. Female Choice in Social Insects. In Peretti, A. & Aisenberg, A. eds.: Cryptic Female Choice in Arthropods: Patterns, Mechanisms and Prospects. Springer, pp 461-477.
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Collins, J., Baer, B. & Weber, E. J. Sexual selection, conspicuous consumption and economic growth J. Bioecon. 17: 189-206.
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Lach, L., Kratz, M. & Baer, B. Parasitized honey bees are less likely to forage and carry less pollen J. Invertebr. Pathol. 130: 64-71.
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den Boer, S.P.A., Stuerup, M., Boomsma, J.J. & Baer, B. The ejaculatory biology of leafcutter ants J. Insect Physiol. 74 : 56-62.
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2014
Baer, B. Sexual Selection in Social Insects. In Simmons, L.W.S. & Shuker, D. eds.: The Evolution of Insect Mating Systems. Oxford University Press, Oxford. pp 261-274.
Collins, J., Baer, B. & Weber, E. J. Economic growth and evolution: Parental preference for quality and quantity of offspring. Macroecon. Dynamics, 18 (8): 1773-1796.
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Babis, M., Holman, L., Fenske, R., Thomas, M. & Baer, B. Cuticular lipids correlate with age and insemination status in queen honeybees Insect. Sociaux, 61 (4): 337-345.
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Paynter, E., Baer-Imhoof, B., Linden, M., Lee-Pullen, T., Heel K., Rigby, P. & Baer, B. Flow cytometry as a rapid and reliable method to quantify sperm viability in the honeybee Apis mellifera Cytometry Part A 85 (5): 463-472.
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Peng, Y., Pullen-Lee T., Heel, K., Millar, A.H. & Baer, B. Quantifying spore viability of the honey bee pathogen Nosema apis using flow cytometry. Cytometry Part A, 85(5) 454-462.
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Stuerup, M., Baer, B. & Boomsma, J. J. Short independent lives and selection for maximal sperm survival make investment in immune defences unprofitable for leaf-cutting ant males Behav. Ecol. Sociobiol. 68: 947-955.
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2013
Zareie, R., Eubel, H., Millar, A. H. & Baer, B. Long term survival of high quality sperm: Insights into the sperm proteome of the honeybee Apis mellifera. J. Prot. Res. 12(11): 5180-5188.
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Stuerup, M., Baer-Imhoof, B., Nash, D. R., Boomsma, J. J. & Baer, B. When every sperm counts: factors affecting male fertility in the honeybee Apis mellifera, . Behav. Ecol. 24(5): 1192-1198.
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den Boer, S. P. A., Boomsma, J. J., & Baer, B. A technique to artificially inseminate leafcutter ants. Insect. Soc. 60: 111-118.
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Chappell, P., Roberts, K., Baer, B. & Hughes, W. O. H. Mating system and population genetic structure of the bulldog ant Myrmecia pavida.. Myrmecol. News 18: 25-32.
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Collins, J., Baer, B. & Weber, E. J. Population, technological progress and the evolution of innovative potential. University of Western Australia Discussion paper 13.21.
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2012
Jaffé, R., Garcia-Gonzalez, F., den Boer, S. P. A., Simmons, L. W. & Baer, B. Patterns of paternity skew among polyandrous social insects: What can they tell us about the potential for sexual selection? Evolution, 66 (12): 3778-3788.
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Baer, B., Zareie, R., Paynter, E., Poland, V. & Millar, A. H. Seminal fluid proteins differ in abundance between genetic lineages of honeybees. J. Prot. 75 (18): 5646-5653.
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2011
Hartke, T. R. & Baer, B. The mating biology of termites: A comparative review. Anim. Behav. 82: 927-936.
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Lowe, E. C., Simmons, L. W., Baer, B. Worker heterozygosity and immune response in feral and managed honeybees (Apis mellifera). Aust. J. Zool. 59: 73-78.
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Fitzpatrick, J. L. & Baer, B. Polyandry reduces sperm length variation in social insects. Evolution 65: 3006-3012.
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King, M., Eubel, H., Millar, A. H. & Baer, B. Proteins within the seminal fluid are crucial to keep sperm viable in the honeybee Apis mellifera . J. Insect Physiol. 57: 409-414.
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Poland, V., Eubel, H., King, M., Solheim, C., Millar, A. H., & Baer, B. Stored sperm differs from ejaculated sperm by proteome alterations associated with energy metabolism in the honeybee Apis mellifera. Mol. Ecol. 20:2643-2654.
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Baer B. The copulation biology of ants (Hymenoptera: Formicidae). Myrmecol. News 14: 55-68.
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Stuerup, M., den Boer, S. P. A., Nash, D. R., Boomsma, J. J., & Baer, B. Variation in male body size and reproductive allocation in the leafcutter ant Atta colombica: Estimating variance components and possible trade-offs. Insect. Soc. 58: 47-55.
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2010
den Boer, S. P. A., Baer, B. & Boomsma, J. J. Seminal fluid mediates ejaculate competition in social insects. Science 327: 1506-1509.
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Armitage, S. A. O., Boomsma, J. J. & Baer, B. Diploid male production in a leaf-cutting ant. Ecol. Entomol. 35: 175-182.
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2009
den Boer, S. P. A., Baer, B., Dreier, S., Aron, S., Nash, D. R. & Boomsma, J. J. Prudent sperm use by leaf-cutter ant queens. Proc. R. Soc. B 276: 3945-3953.
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Baer, B., Eubel, H., Taylor, N. L., O'Toole, N. & Millar, H. A. Insights into female sperm storage from the spermathecal fluid proteome of the honeybee Apis mellifera. Gen. Biol. 10: R 67.1 - 67.16.
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Baer, B., den Boer, S. P. A., Kronauer, D. J. C., Nash, D. R. & Boomsma, J. J. Fungus gardens of the leafcutter ant Atta colombica function as egg nurseries for the snake Leptodeira annulata. Insect. Soc. 56: 289-291.
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Himler, A. G., Calderal, E. J., Baer, B., Schultz, T., Fernandez-Marin, H. & Mueller U. G. No sex in fungus-farming ants or their crops. Proc. R. Soc. B 276: 2611-2616.
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Baer, B., Dijkstra, M., Nash, D. R., Mueller, U. & Boomsma, J. J. Sperm length evolution in the fungus-growing ants. Behav. Ecol. 20: 38-45.
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Baer, B., Heazlewood, J. L., Taylor, N. L., Eubel, H. & Millar, H. A. The seminal fluid proteome of the honeybee Apis mellifera. Proteomics 9: 2085-2097.
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Den Boer, S. P. A., Boomsma, J. J & Baer, B. Honeybee males and queens use glandular secretions to enhance sperm viability before and after storage. J. Insect Physiol. 55: 538-543.
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2008
Den Boer, S. P. A., Boomsma, J.J & Baer, B. Seminal fluid enhances sperm viability in the leafcutter ant Atta colombica. Behav. Ecol. Sociobiol. 62: 1843-1849.
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2007
Wilfert, L., Gadau, J., Baer, B., Reber, & Schmid-Hempel, P. Natural variation in the genetic architecture of a host-parasite interaction in the bumblebee Bombus terrestris. Mol. Ecol. 16: 1327-1339.
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2006
Baer, B., Armitage, S. A. O. & Boomsma, J. J. Sperm storage induces an immunity cost in ants. Nature 441: 872-875.
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Baer, B., de Jong, G., Schmid-Hempel, R., Schmid-Hempel, P., Høeg, J. T. & Boomsma, J. J. Heritability of sperm length in the bumblebee Bombus terrestris. Genetica 127: 11-23.
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Baer, B. & Boomsma, J. J. Mating biology of the leaf-cutting ants Atta colombica and A. cephalotes. J. Morph. 267: 1165-1171
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Baer, B. & Schmid-Hempel, P. Phenotypic variation in male and worker encapsulation response in the bumblebee Bombus terrestris. Ecol. Entomol. 31: 591-596.
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2005
Boomsma J. J., Baer B. & Heinze J. The evolution of male traits in social insects. Annu. Rev. Entomol. 50: 395-420.
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Baer, B. & Schmid-Hempel, P. Sperm influences female hibernation success, survival and fitness in the bumblebee Bombus terrestris. Proc. R. Soc. L. 272 (1560): 319-323.
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Baer, B. Sexual selection in Apis bees. Apidologie 36 (2), 187-200.
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Brown, M. J. F. & Baer, B. The evolutionary significance of long copulation duration in bumblebees. Apidologie 36 (2): 157-167.
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Baer B., Krug A., Boomsma J. J. & Hughes W. O. H. Examination of the immune responses of males and workers of the leaf-cutting ant Acromyrmex echinatior and the effect of infection. Insect. Soc. 52 (3): 298-303.
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2004
Baer B. & Boomsma J. J. Male reproductive investment and polyandry in fungus-growing ants. Behav. Ecol. 15 (3): 426-432.
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2003
Baer, B. Bumblebees as model organisms to study male sexual selection in social insects. Behav. Ecol. Sociobiol. 54 (6): 521-533.
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Baer B. & Schmid-Hempel P. Effects of selective episodes in the field on life history traits in the bumblebee Bombus terrestris. Oikos 101 (3): 563-568.
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Baer, B., Schmid-Hempel, P., Høeg J. T. & Boomsma, J. J. Sperm length, sperm storage and mating system evolution in bumblebees. Insect. Soc. 50 (2): 101-108.
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Baer B. & Schmid-Hempel P. Bumblebee workers from different sire groups vary in susceptibility to parasite infections. Ecol. Letters 6 (2): 106-110.
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2002
Brown M. J. F., Baer B., Schmid-Hempel R. & Schmid-Hempel P. Dynamics of multiple mating in the bumblebee Bombus hypnorum. Insect. Soc. 49 (4): 315 319.
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2001
Baer B. & Schmid-Hempel P. Unexpected consequences of polyandry for parasitism and fitness in the bumblebee B. terrestris. Evolution 55 (8): 1639-1643.
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Sauter A., Brown M. J. F., Baer B. & Schmid-Hempel P. Males of social insects can prevent queens from multiple mating. Proc. R. Soc. L., 268 (1475): 1449-1454.
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Baer B., Morgan E. D. & Schmid-Hempel P. A non-specific fatty acid prevents females from re-mating in bumblebees. Proc. Natl. Acad. Sci. 98 (7): 3926-3928.
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Baer B., Maile R., Schmid-Hempel P. Morgan E. D. & Jones G. R. Chemistry of a mating plug in bumblebees. J. Chem. Ecol. 26 (8): 1869-1875.
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Baer B. & Schmid-Hempel P. Applied aspects of the artificial insemination for bumblebees. In Sommeijer, M J. & de Ruijter, A. eds: Insect pollination in greenhouses. Koninklijke Bibliotheek, Den Haag.
Baer B. & Schmid-Hempel P. The artificial insemination of bumblebees. Insect. Soc. 47 (2): 183-187.
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Duvoisin N., Baer B. & Schmid-Hempel P. Sperm transfer and male competition in a bumblebee. Anim. Behav. 5 (4): 743-749.
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Baer B. & Schmid-Hempel P. Experimental variation in polyandry affects parasite loads and fitness in a bumblebee. Nature 397 (6715): 151-154.
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1997
Brodmann P. A., Reyer H. U. & Baer B. The relative importance of habitat structure and of prey characteristics for the foraging success of water pipits (Anthus spinoletta). Ethology 103 (3): 222-235.
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