Harris, R.N., James, T.Y., Lauer, A., et al. (2006) ‘Amphibian pathogen Batrachochytrium dendrobatidis is inhibited by the cutaneous bacteria of amphibian species’, EcoHealth 3, 53–56.

Harris, R.N., Brucker, R.M., Walke, J.B., et al. (2009) ‘Skin microbes on frogs prevent morbidity and mortality caused by a lethal skin fungus’, ISME J. 3, 818–824.

Haselkorn, T.S., Cockburn, S.N., Hamilton, P.T., et al. (2013) ‘Infectious adaptation: potential host range of a defensive endosymbiont in Drosophila: host range of Spiroplasma in Drosophila’, Evolution 67, 934–945.

Hecht, G.A., Blaser, M.J., Gordon, J., et al. (2014) ‘What is the value of a food and drug administration investigational new drug application for fecal microbiota transplantation to treat Clostridium difficile infection?’ Clin. Gastroenterol. Hepatol. Off. Clin. Pract. J. Am. Gastroenterol. Assoc. 12, 289–291.

Hedges, L.M., Brownlie, J.C., O’Neill, S.L., Johnson, K.N. (2008) ‘Wolbachia and virus protection in insects’, Science 322, 702.

Hehemann, J-H., Correc, G., Barbeyron, T., et al. (2010) ‘Transfer of carbohydrate-active enzymes from marine bacteria to Japanese gut microbiota’, Nature 464, 908–912.

Heijtz, R.D., Wang, S., Anuar, F., et al. (2011) ‘Normal gut microbiota modulates brain development and behavior’, Proc. Natl. Acad. Sci. 108, 3047–3052.

Heil, M., Barajas-Barron, A., Orona-Tamayo, D., et al. (2014) ‘Partner manipulation stabilises a horizontally transmitted mutualism’, Ecol. Lett. 17, 185–192.

Henry, L.M., Peccoud, J., Simon, J-C., et al. (2013) ‘Horizontally transmitted symbionts and host colonization of ecological niches’, Curr. Biol. 23, 1713–1717.

Herbert, E.E., Goodrich-Blair, H. (2007) ‘Friend and foe: the two faces of Xenorhabdus nematophila’, Nat. Rev. Microbiol. 5, 634–646.

Herniou, E.A., Huguet, E., Thézé, J., et al. (2013) ‘When parasitic wasps hijacked viruses: genomic and functional evolution of polydnaviruses’, Philos. Trans. R. Soc. Lond. B Biol. Sci.368, 20130051.

Hilgenboecker, K., Hammerstein, P., Schlattmann, P., et al. (2008) ‘How many species are infected with Wolbachia? – a statistical analysis of current data: Wolbachia infection rates’, FEMS Microbiol. Lett. 281, 215–220.

Hill, C., Guarner, F., Reid, G., et al. (2014) ‘Expert consensus document: The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic’, Nat. Rev. Gastroenterol. Hepatol. 11, 506–514.

Himler, A.G., Adachi-Hagimori, T., Bergen, J.E., et al. (2011) ‘Rapid spread of a bacterial symbiont in an invasive whitefly is driven by fitness benefits and female bias’, Science 332, 254–256.

Hird, S.M., Carstens, B.C., Cardiff, S.W., et al. (2014) ‘Sampling locality is more detectable than taxonomy or ecology in the gut microbiota of the brood-parasitic Brown-headed Cowbird (Molothrus ater)’, PeerJ 2, e321.

Hiss, P.H., Zinsser, H. (1910) A Text-book of Bacteriology: a Practical Treatise for Students and Practitioners of Medicine (New York and London: D. Appleton & Co.).

Hoerauf, A., Volkmann, L., Hamelmann, C., et al. (2000) ‘Endosymbiotic bacteria in worms as targets for a novel chemotherapy in filariasis’, Lancet 355, 1242–1243.

Hoerauf, A., Mand, S., Adjei, O., et al. (2001) ‘Depletion of Wolbachia endobacteria in Onchocerca volvulus by doxycycline and microfilaridermia after ivermectin treatment’, Lancet357, 1415–1416.

Hof, C., Araújo, M.B., Jetz, W., Rahbek, C. (2011) ‘Additive threats from pathogens, climate and land-use change for global amphibian diversity’, Nature 480, 516–519.

Hoffmann, A.A., Montgomery, B.L., Popovici, J., et al. (2011) ‘Successful establishment of Wolbachia in Aedes populations to suppress dengue transmission’, Nature 476, 454–457.

Holmes, E., Kinross, J., Gibson, G., et al. (2012) ‘Therapeutic modulation of microbiota – host metabolic interactions’, Sci. Transl. Med. 4, 137rv6.

Honda, K., Littman, D.R. (2012) ‘The microbiome in infectious disease and inflammation’, Annu. Rev. Immunol. 30, 759–795.

Hongoh, Y. (2011) ‘Toward the functional analysis of uncultivable, symbiotic microorganisms in the termite gut’, Cell. Mol. Life Sci. 68, 1311–1325.

Hooper, L.V. (2001) ‘Molecular analysis of commensal host-microbial relationships in the intestine’, Science 291, 881–884.

Hooper, L.V., Stappenbeck, T.S., Hong, C.V., Gordon, J.I. (2003) ‘Angiogenins: a new class of microbicidal proteins involved in innate immunity’, Nat. Immunol. 4, 269–273.

Hooper, L.V., Littman, D.R., Macpherson, A.J. (2012) ‘Interactions between the microbiota and the immune system’, Science 336, 1268–1273.

Hornett, E.A., Charlat, S., Wedell, N., et al. (2009) ‘Rapidly shifting sex ratio across a species range’, Curr. Biol. 19, 1628–1631.

Hosokawa, T., Kikuchi, Y., Shimada, M., Fukatsu, T. (2008) ‘Symbiont acquisition alters behaviour of stinkbug nymphs’, Biol. Lett. 4, 45–48.

Hosokawa, T., Koga, R., Kikuchi, Y., et al. (2010) ‘Wolbachia as a bacteriocyte-associated nutritional mutualist’, Proc. Natl. Acad. Sci. 107, 769–774.

Hosokawa, T., Hironaka, M., Mukai, H., et al. (2012) ‘Mothers never miss the moment: a fine-tuned mechanism for vertical symbiont transmission in a subsocial insect’, Anim. Behav.83, 293–300.

Hotopp, J.C.D., Clark, M.E., Oliveira, D.C.S.G., et al. (2007) ‘Widespread lateral gene transfer from intracellular bacteria to multicellular eukaryotes’, Science 317, 1753–1756.

Hsiao, E.Y., McBride, S.W., Hsien, S., et al. (2013) ‘Microbiota modulate behavioral and physiological abnormalities associated with neurodevelopmental disorders’, Cell 155, 1451–1463.

Huang, L., Chen, Q., Zhao, Y., et al. (2015) ‘Is elective Cesarean section associated with a higher risk of asthma? A meta-analysis’, J. Asthma Off. J. Assoc. Care Asthma 52, 16–25.

Hughes, G.L., Dodson, B.L., Johnson, R.M., et al. (2014) ‘Native microbiome impedes vertical transmission of Wolbachia in Anopheles mosquitoes’, Proc. Natl. Acad. Sci. 111, 12498–12503.

Husnik, F., McCutcheon, J.P. (2016) ‘Repeated replacement of an intrabacterial symbiont in the tripartite nested mealybug symbiosis’, Proc. Natl. Acad. Sci. 113, E5416–E5424.

Husnik, F., Nikoh, N., Koga, R., et al. (2013) ‘Horizontal gene transfer from diverse bacteria to an insect genome enables a tripartite nested mealybug symbiosis’, Cell 153, 1567–1578.