Submitted and resubmitted manuscripts
Danielsson, R., Lucas, J., Dahlberg, J., Ramin, M., Agenäs, S., Bayat, A., Tapio, I., Hammer, T.J., Roslin, T. Compound- and context-dependent effects of antibiotics on greenhouse gas emissions from livestock.
Keiser, C.N., Hammer, T.J., Pruitt, J.N. Social spider webs harbor largely consistent bacterial communities across broad spatial scales.
Peer-reviewed articles (feel free to contact me for a pdf!)
Hammer, T.J., Moran, N. Links between metamorphosis and symbiosis in holometabolous insects. Philosophical Transactions of the Royal Society B (accepted).
Moran, N., Ochman, H., Hammer, T.J. Evolutionary and ecological consequences of gut microbial communities. Annual Review of Ecology, Evolution, and Systematics (accepted).
Hammer, T.J., Sanders, J.N., Fierer, N. Not all animals need a microbiome. FEMS Microbiology Letters 366, fnz117. (Link)
Ravenscraft, A., Berry, M., Hammer, T.J., Peay, K., Boggs, C. 2018. Structure and function of the bacterial and fungal gut microbiota of Neotropical butterflies. Ecological Monographs 89, e01346. (Link)
Hammer, T.J., Janzen, D.H., Hallwachs, W., Jaffe, S.P., Fierer, N. 2017. Caterpillars lack a resident gut microbiome. Proceedings of the National Academy of Sciences 114, 9641-9646. (Link)
Press: Nature News, Interview on Nature Podcasts, Interview with KGNU (Boulder-Denver Community Radio), Interview on Slightly Evolved Podcast, Biotechniques News, BacterioFiles Podcast (ASM), University of Colorado Press Release
My dissertation seminar for the University of Colorado's Ecology & Evolutionary Biology Department, in which I discuss this research, is available on YouTube here.
Hammer, T.J., Fierer, N., Hardwick, B., Simojoki, A., Slade, E., Taponen, J., Viljanen, H., Roslin, T. 2016. Treating cattle with antibiotics affects greenhouse gas emissions, and microbiota in dung and dung beetles. Proceedings of the Royal Society B 283, 20160150. (Link)
Press: New Scientist, Science Magazine, BBC News, NBC News, Huffington Post, ABC News
Barberán, A., Hammer, T.J., Madden, A., Fierer, N. 2016. Microbes should be central to ecological education and outreach. Journal of Microbiology & Biology Education 17, 23-28. (Link)
Hammer, T.J., Bowers, M.D. 2015. Gut microbes may facilitate insect herbivory of chemically defended plants. Oecologia 179, 1-14. (Link)
Check out my photo of a Citheronia lobesis caterpillar that was featured on the cover of this issue of Oecologia!
Hammer, T.J., Dickerson, J., Fierer, N. 2015. Evidence-based recommendations on storing and handling specimens for analyses of insect microbiota. PeerJ 3:e1190. (Link)
Hammer, T.J., Van Bael, S.A. 2015. An endophyte-rich diet increases ant predation on a specialist herbivorous insect. Ecological Entomology 40, 316-321. (Link)
Hammer, T.J., McMillan, W.O., Fierer, N. 2014. Metamorphosis of a butterfly-associated bacterial community. PLOS ONE doi: 10.1371/journal.pone.0086995. (Link)
Press: University of Colorado Press Release, Boulder Daily Camera
Hammer, T.J., Hata, C., Nieh, J.C. 2009. Thermal learning in the honey bee, Apis mellifera. Journal of Experimental Biology 212, 3928-3934. (Link)