Professor John Speakman

Professor John Speakman The University of Aberdeen School of Biological Sciences Professor John Speakman Chair in Zoology work +44 (0)1224 272879 for personal site go to JRS homepage for group pages go to Energetics research group

Chair in Zoology

Professor John Speakman

Personal Details

Telephone: +44 (0)1224 272879
Email: j.speakman@abdn.ac.uk
Personal website: for personal site go to JRS homepage for group pages go to Energetics research group
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Publications

Contributions to Journals

Articles

  • Hambly, C., Duncan, JS., Archer, ZA., Moar, KM., Mercer, JG. & Speakman, JR. (2012). 'Repletion of TNFa or leptin in calorically restricted mice suppresses post-restriction hyperphagia'. Disease Models & Mechanisms, vol 5, no. 1, pp. 83-94.
    [Online] DOI: 10.1242/dmm.007781
  • Zhang, L-N, Gamo, Y., Sinclair, R., Mitchell, SE., Morgan, DG., Clapham, JC. & Speakman, JR. (2012). 'Effects of Chronic Oral Rimonabant Administration on Energy Budgets of Diet-Induced Obese C57BL/6 Mice'. Obesity, vol 20, no. 5, pp. 954-962.
    [Online] DOI: 10.1038/oby.2011.357
  • Zhang, L-N, Mitchell, SE., Hambly, C., Morgan, DG., Clapham, JC. & Speakman, JR. (2012). 'Physiological and behavioral responses to intermittent starvation in C57BL/6J mice'. Physiology and Behavior, vol 105, no. 2, pp. 376-387.
    [Online] DOI: 10.1016/j.physbeh.2011.08.035
  • Vaanholt, LM., Magee, V. & Speakman, JR. (2012). 'Factors Predicting Individual Variability in Diet-Induced Weight Loss in MF1 Mice'. Obesity, vol 20, no. 2, pp. 285-294.
    [Online] DOI: 10.1038/oby.2011.279
  • Meakin, PJ., Harper, AJ., Hamilton, DL., Gallagher, J., McNeilly, AD., Burgess, LA., Vaanholt, LM., Bannon, KA., Latcham, J., Hussain, I., Speakman, JR., Howlett, DR. & Ashford, MLJ. (2012). 'Reduction in BACE1 decreases body weight, protects against diet-induced obesity and enhances insulin sensitivity in mice'. Biochemical Journal, vol 441, pp. 285-296.
    [Online] DOI: 10.1042/BJ20110512
  • Polyviou, T., Pitsiladis, Y., Lee, WC., Pantazis, T., Hambly, C., Speakman, JR. & Malkova, D. (2012). 'Thermoregulatory and cardiovascular responses to creatine, glycerol and alpha lipoic acid in trained cyclists'. Journal of the International Society of Sports Nutrition, vol 9, no. 1, pp. 29.
    [Online] DOI: 10.1186/1550-2783-9-29
  • McNay, D. & Speakman, JR. 'High fat diet causes rebound weight gain'. Molecular Metabolism.
  • Speakman, JR. & Mitchell, SE. (2011). 'Caloric Restriction'. Molecular Aspects of Medicine, vol 32, no. 3, pp. 159-221.
    [Online] DOI: 10.1016/j.mam.2011.07.001
  • Król, E., Martin, SAM., Huhtaniemi, IT., Douglas, A. & Speakman, JR. (2011). 'Negative correlation between milk production and brown adipose tissue gene expression in lactating mice'. Journal of Experimental Biology, vol 214, no. 24, pp. 4160-4170.
    [Online] DOI: 10.1242/jeb.061382
  • Simons, MJP., Reimert, I., van der Vinne, V., Hambly, C., Vaanholt, LM., Speakman, JR. & Gerkema, MP. (2011). 'Ambient temperature shapes reproductive output during pregnancy and lactation in the common vole (Microtus arvalis): a test of the heat dissipation limit theory'. Journal of Experimental Biology, vol 214, no. 1, pp. 38-49.
    [Online] DOI: 10.1242/jeb.044230
  • Banks, R., Speakman, JR. & Selman, C. (2010). 'Vitamin E supplementation and mammalian lifespan'. Molecular Nutrition & Food Research, vol 54, no. 5, pp. 719-725.
    [Online] DOI: 10.1002/mnfr.200900382
  • Hempenstall, S., Picchio, L., Mitchell, SE., Speakman, JR. & Selman, C. (2010). 'The impact of acute caloric restriction on the metabolic phenotype in male C57BL/6 and DBA/2 mice'. Mechanisms of Ageing and Development, vol 131, no. 2, pp. 111-118.
    [Online] DOI: 10.1016/j.mad.2009.12.008
  • Duarte, LC., Vaanholt, LM., Sinclair, R., Gamo, Y. & Speakman, JR. (2010). 'Limits to sustained energy intake XII: is the poor relation between resting metabolic rate and reproductive performance because resting metabolism is not a repeatable trait?'. Journal of Experimental Biology, vol 213, no. 2, pp. 278-87.
    [Online] DOI: 10.1242/jeb.037069
    [Online] AURA: Duarte_Limits_to_sustained_energy_intake_XII.pdf
  • Fyfe, C., Stewart, J., Murison, S., Jackson, D., Rance, K., Speakman, JR., Horgan, GW. & Johnstone, A. (2010). 'Evaluating energy intake measurement in free-living subjects'. Public Health Nutrition, vol 13, no. 2, pp. 172-180.
    [Online] DOI: 10.1017/S1368980009991443
  • Djafarian, K., Jackson, D., Milne, E., Roger, P. & Speakman, JR. (2010). 'Doubly labelled water: Multi-point and two-point methods in pre-school children'. International Journal of Pediatric Obesity: An Official Journal of the International Association for the Study of Obesity, vol 5, no. 1, pp. 102-110.
    [Online] DOI: 10.3109/17477160903039915
  • Larivee, ML., Boutin, S., Speakman, JR., McAdam, AG. & Humphries, MM. (2010). 'Associations between over-winter survival and resting metabolic rate in juvenile North American red squirrels'. Functional Ecology, vol 24, no. 3, pp. 597-607.
    [Online] DOI: 10.1111/j.1365-2435.2009.01680.x
  • Speakman, JR. & Westerterp, KR. (2010). 'Reverse Epidemiology, Obesity and Mortality in Chronic Kidney Disease: Modelling Mortality Expectations Using Energetics'. Blood Purification, vol 29, no. 2, pp. 150-157.
    [Online] DOI: 10.1159/000245642
  • Lane, JE., Boutin, S., Speakman, JR. & Humphries, MM. (2010). 'Energetic costs of male reproduction in a scramble competition mating system'. Journal of Animal Ecology, vol 79, no. 1, pp. 27-34.
    [Online] DOI: 10.1111/j.1365-2656.2009.01592.x
  • Welcker, J., Moe, B., Bech, C., Fyhn, M., Schultner, J., Speakman, JR. & Gabrielsen, GW. (2010). 'Evidence for an intrinsic energetic ceiling in free-ranging kittiwakes Rissa tridactyla'. Journal of Animal Ecology, vol 79, no. 1, pp. 205-213.
    [Online] DOI: 10.1111/j.1365-2656.2009.01626.x
  • Karamitri, A., Shore, AM., Docherty, K., Speakman, JR. & Lomax, MA. (2009). 'Combinatorial Transcription Factor Regulation of the Cyclic AMP-response Element on the Pgc-1 alpha Promoter in White 3T3-L1 and Brown HIB-1B Preadipocytes'. Journal of Biological Chemistry, vol 284, no. 31, pp. 20738-20752.
    [Online] DOI: 10.1074/jbc.M109.021766
  • Djafarian, K., Jackson, D., Stewart, J. & Speakman, JR. (2009). 'Familial Resemblance for Body Composition in Pre School Children'. Acta Paediatrica, vol 98, pp. 119-120.
  • Jackson, D., Djafarian, K., Stewart, J. & Speakman, JR. (2009). 'Increased television viewing is associated with elevated body fatness but not with lower total energy expenditure in children'. American Journal of Clinical Nutrition, vol 89, no. 4, pp. 1031-1036.
    [Online] DOI: 10.3945/ajcn.2008.26746
  • Hinsley, SA., Hill, RA., Bellamy, P., Broughton, RK., Harrison, N., MacKenzie, J., Speakman, JR. & Ferns, PN. (2009). 'Do Highly Modified Landscapes Favour Generalists at the Expense of Specialists?: An Example using Woodland Birds'. Landscape Research, vol 34, no. 5, pp. 509-526.
    [Online] DOI: 10.1080/01426390903177276
  • Welcker, J., Harding, AMA., Kitaysky, AS., Speakman, JR. & Gabrielsen, GW. (2009). 'Daily energy expenditure increases in response to low nutritional stress in an Arctic-breeding seabird with no effect on mortality'. Functional Ecology, vol 23, no. 6, pp. 1081-1090.
    [Online] DOI: 10.1111/j.1365-2435.2009.01585.x
  • Sheriff, MJ., Speakman, JR., Kuchel, L., Boutin, S. & Humphries, MM. (2009). 'The cold shoulder: free-ranging snowshoe hares maintain a low cost of living in cold climates'. Canadian Journal Of Zoology/Revue Canadien De Zoologie, vol 87, no. 10, pp. 956-964.
    [Online] DOI: 10.1139/Z09-087
  • Sale, MG., Speakman, JR. & Arnould, JPY. (2009). 'Energy Expenditure, Water Flux, and Activity Budgets of Female Swamp Antechinuses in Contrasting Habitats'. Journal of Mammalogy, vol 90, no. 5, pp. 1238-1245.
    [Online] DOI: 10.1644/09-MAMM-A-006.1
  • Wu, S-H, Zhang, L-N, Speakman, JR. & Wang, KH. (2009). 'Limits to sustained energy intake.: XI. A test of the heat dissipation limitation hypothesis in lactating Brandt's voles (Lasiopodomys brandtii)'. Journal of Experimental Biology, vol 212, no. 21, pp. 3455-3465.
    [Online] DOI: 10.1242/jeb.030338
  • Reid, K., Margaritoulis, D. & Speakman, JR. (2009). 'Incubation temperature and energy expenditure during development in loggerhead sea turtle embryos'. Journal of Experimental Marine Biology and Ecology, vol 378, no. 1-2, pp. 62-68.
    [Online] DOI: 10.1016/j.jembe.2009.07.030
  • Fletcher, QE., Selman, C., Speakman, JR., Leeuwenburgh, C. & Humphries, MM. (2009). 'Metabolically mediated oxidative stress and in a free-ranging mammal'. Integrative and Comparative Biology, vol 49.
  • Speakman, JR. (2009). 'Limits to sustained energy intake'. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, vol 153, no. 2 Suppl., pp. S147.
    [Online] DOI: 10.1016/j.cbpa.2009.04.281
  • Krol, E. & Speakman, JR. (2009). 'Shaved mice have improved performance during lactation'. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, vol 153, no. 2, pp. S149.
    [Online] DOI: 10.1016/j.cbpa.2009.04.289
  • Williams, D., Vezina, F. & Speakman, JR. (2009). 'Individually variable energy management during egg production is repeatable across breeding attempts'. Journal of Experimental Biology, vol 212, no. 8, pp. 1101-1105.
    [Online] DOI: 10.1242/jeb.026815
  • Zub, K., Szafranska, PA., Konarzewski, M., Redman, P. & Speakman, JR. (2009). 'Trade-offs between activity and thermoregulation in a small carnivore, the least weasel Mustela nivalis'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 276, no. 1663, pp. 1921-1927.
    [Online] DOI: 10.1098/rspb.2008.1936
  • Schmid, J. & Speakman, JR. (2009). 'Torpor and energetic consequences in free-ranging grey mouse lemurs (Microcebus murinus): a comparison of dry and wet forests'. Naturwissenschaften, vol 96, no. 5, pp. 609-620.
    [Online] DOI: 10.1007/s00114-009-0515-z
  • Speakman, JR., Hambly, C., Mitchell, SE. & Król, E. (2008). 'The contribution of animal models to the study of obesity'. ATLA-Alternatives to Laboratory Animals, vol 42, no. 4, pp. 413-432.
    [Online] DOI: 10.1258/la.2007.006067
  • Selman, C., Lingard, S., Choudhury, AI., Batterham, RL., Claret, M., Clements, M., Ramadani, F., Okkenhaug, K., Schuster, E., Blanc, E., Piper, MD., Al-Qassab, H., Speakman, JR., Carmignac, D., Robinson, ICA., Thornton, JM., Gems, D., Partridge, L. & Withers, DJ. (2008). 'Evidence for lifespan extension and delayed age-related biomarkers in insulin receptor substrate 1 null mice'. FASEB Journal, vol 22, pp. 807-818.
    [Online] DOI: 10.1096/fj.07-9261com
  • Selman, C., McLaren, JS., Mayer, C., Duncan, JS., Collins, AR., Duthie, GG., Redman, P. & Speakman, JR. (2008). 'Lifelong alpha-tocopherol supplementation increases the median life span of C57BL/6 mice in the cold but has only minor effects on oxidative damage'. Rejuvenation Research, vol 11, no. 1, pp. 83-96.
    [Online] DOI: 10.1089/rej.2007.0586
  • Vaanholt, LM., Speakman, JR., Garland, T., Lobley, G. & Visser, GH. (2008). 'Protein synthesis and antioxidant capacity in aging mice: Effects of long-term voluntary exercise'. Physiological and Biochemical Zoology, vol 81, pp. 148-157.
    [Online] DOI: 10.1086/525289
  • Selman, C., McLaren, JS., Collins, AR., Duthie, GG. & Speakman, JR. (2008). 'The impact of experimentally elevated energy expenditure on oxidative stress and lifespan in the short-tailed field vole Microtus agrestis'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 275, no. 1645, pp. 1907-1916.
    [Online] DOI: 10.1098/rspb.2008.0355
  • Speakman, JR., Rance, KA. & Johnstone, A. (2008). 'Polymorphisms of the FTO gene are associated with variation in energy intake, but not energy expenditure'. Obesity, vol 16, no. 8, pp. 1961-1965.
    [Online] DOI: 10.1038/oby.2008.318
  • Speakman, JR. (2008). 'Thrifty genes for obesity, an attractive but flawed idea, and an alternative perspective: the 'drifty gene' hypothesis'. International Journal of Obesity, vol 32, no. 11, pp. 1611-1617.
    [Online] DOI: 10.1038/ijo.2008.161
  • Voigt, CC., Kretzschmar, AS., Speakman, JR. & Lehmann, GUC. (2008). 'Female bushcrickets fuel their metabolism with male nuptial gifts'. Biology Letters, vol 4, no. 5, pp. 476-478.
    [Online] DOI: 10.1098/rsbl.2008.0282
  • Wallach, AD., Inbar, M., Scantlebury, M., Speakman, JR. & Shanas, U. (2007). 'Water requirements as a bottleneck in the reintroduction of European roe deer to the southern edge of its range'. Canadian Journal Of Zoology/Revue Canadien De Zoologie, vol 85, no. 11, pp. 1182-1192.
    [Online] DOI: 10.1139/Z07-098
  • Hambly, C., Mercer, JG. & Speakman, JR. (2007). 'Hunger Does Not Diminish Over Time in Mice Under Protracted Caloric Restriction'. Rejuvenation Research, vol 10, no. 4, pp. 533-542.
    [Online] DOI: 10.1089/rej.2007.0555
  • Król, E., Tups, A., Archer, ZA., Ross, AW., Moar, KM., Bell, LM., Duncan, JS., Mayer, C., Morgan, PJ., Mercer, J. & Speakman, JR. (2007). 'Altered Expression of SOCS3 in the Hypothalamic Arcuate Nucleus during Seasonal Body Mass Changes in the Field Vole, Microtus agrestis'. Journal of Neuroendocrinology, vol 19, no. 2, pp. 83-94.
    [Online] DOI: 10.1111/j.1365-2826.2006.01507.x
  • Kokurewicz, T. & Speakman, JR. (2006). 'Age related variation in the energy costs of torpor in Daubenton's bat: effects on fat accumulation prior to hibernation'. Acta Chiropterologica, vol 8, no. 2, pp. 509-521.
    [Online] DOI: 10.3161/1733-5329(2006)8[509:ARVITE]2.0.CO;2
  • Johnstone, AM., Rance, KA., Murison, SD., Duncan, JS. & Speakman, JR. (2006). 'Additional anthropometric measures may improve the predictability of basal metabolic rate in adult subjects'. European Journal of Clinical Nutrition, vol 60, no. 12, pp. 1437-1444.
    [Online] DOI: 10.1038/sj.ejcn.1602477
  • Vezina, F., Speakman, JR. & Williams, TD. (2006). 'Individually variable energy management strategies in relation to energetic costs of egg production'. Ecology, vol 87, no. 10, pp. 2447-2458.
    [Online] DOI: 10.1890/0012-9658(2006)87[2447:IVEMSI]2.0.CO;2
  • Sparling, CE., Speakman, JR. & Fedak, MA. (2006). 'Seasonal variation in the metabolic rate and body composition of female grey seals: fat conservation prior to high-cost reproduction in a capital breeder?'. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology, vol 176, no. 6, pp. 505-512.
    [Online] DOI: 10.1007/s00360-006-0072-0
  • Johnston, SL., Grune, T., Bell, LM., Murray, SJ., Souter, DM., Erwin, SS., Yearsley, JM., Gordon, IJ., Illius, AW., Kyriazakis, I. & Speakman, JR. (2006). 'Having it all: historical energy intakes do not generate the anticipated trade-offs in fecundity'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 273, no. 1592, pp. 1369-1374.
    [Online] DOI: 10.1098/rspb.2005.3456
  • Mathias, ML., Nunes, AC., Marques, CC., Auffray, JC., Britton-Davidian, J., Ganem, G., Gunduz, I., Ramalhinho, MG., Searle, JB. & Speakman, JR. (2006). 'Effects of climate on oxygen consumption and energy intake of chromosomally divergent populations of the House Mouse (Mus musculus domesticus) from the island of Madeira (North Atlantic, Portugal)'. Functional Ecology, vol 20, no. 2, pp. 330-339.
    [Online] DOI: 10.1111/j.1365-2435.2006.01091.x
  • Southwood, AL., Reina, RD., Jones, VS., Speakman, JR. & Jones, DR. (2006). 'Seasonal metabolism of juvenile green turtles (Chelonia mydas) at Heron Island, Australia'. Canadian Journal Of Zoology/Revue Canadien De Zoologie, vol 84, pp. 125-135.
    [Online] DOI: 10.1139/Z05-185
  • Szafranska, PA., Zub, K., Konarzewski, M. & Speakman, JR. (2006). 'Seasonal variation in resting metabolic rates (RMR) and daily energy expenditures (DEE)'. Integrative and Comparative Biology, vol 46.
  • Yearsley, J., Villalba, JJ., Gordon, I., Kyriazakis, I., Speakman, JR., Tolkamp, BJ., Illius, AW. & Duncan, A. (2006). 'A theory of associating food types with their postingestive consequences'. The American Naturalist, vol 167, no. 5, pp. 705-716.
  • Rance, KA., Fustin, JM., Dalgleish, G., Hambly, C., Bunger, L. & Speakman, JR. (2005). 'A paternally imprinted QTL for mature body mass on mouse Chromosome 8'. Mammalian Genome, vol 16, pp. 567-577.
    [Online] DOI: 10.1007/s00335-005-0012-4
  • Szafranska, PA., Zub, K., Konaezewski, M. & Speakman, JR. (2005). 'A positive association between resting and field metabolic rates in weasels'. Integrative and Comparative Biology, vol 45, no. 6, pp. 1080.
  • Scantlebury, M., Clutton-Brock, TH. & Speakman, JR. (2005). 'Energetics of cooperative breeding in meerkats Suricata Suricatta'. International Congress Series, vol 1275, pp. 367-374.
  • Johnstone, E., Murison, S., Duncan, S., Rance, KA. & Speakman, JR. (2005). 'Factors influencing variation in basal metabolic rate include fat-free mass, fat mass, age, and circulating thyroxine but not sex, circulating leptin, or triiodothyronine'. American Journal of Clinical Nutrition, vol 82, no. 5, pp. 941-948.
  • Yearsley, J., Kyriazakis, A., Gordon, I., Johnston, SL., Speakman, JR., Tolkamp, BJ. & Illius, AW. (2005). 'A life history model of somatic damage associated with resource acquisition: damage protection or prevention?'. Journal of Theoretical Biology, vol 235, no. 3, pp. 305-317.
    [Online] DOI: 10.1016/j.jtbi.2005.01.009
  • Król, E., Duncan, JS., Redman, P., Morgan, PJ., Mercer, J. & Speakman, JR. (2005). 'Photoperiod regulates leptin sensitivity in field voles, Microtus agrestis'. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology, vol 176, no. 2, pp. 153-163.
    [Online] DOI: 10.1007/s00360-005-0037-8
  • Król, E., Redman, P., Thomson, PJ., Williams, R., Mayer, C., Mercer, J. & Speakman, JR. (2005). 'Effect of photoperiod on body mass, food intake and body composition in the field vole, Microtus agrestis'. Journal of Experimental Biology, vol 208, no. 3, pp. 571-584.
    [Online] DOI: 10.1242/jeb.01429
  • Hambly, C., Pinshow, B., Wiersma, P., Verhulst, S., Piertney, SB., Harper, EH. & Speakman, JR. (2004). 'Comparison of the cost of short flights in a nectarivorous and non-nectarivorous bird'. Journal of Experimental Biology, vol 207, pp. 3959-3968.
    [Online] DOI: 10.1242/jeb.01233
  • Ergon, T., Speakman, JR., Scantlebury, M., Cavanagh, R. & Lambin, X. (2004). 'Optimal body size and energy expenditure during winter: Why are voles smaller in declining populations?'. The American Naturalist, vol 163, no. 3, pp. 442-457.
    [Online] DOI: 10.1086/381940
  • Wiersma, P., Selman, C., Speakman, JR. & Verhulst, S. (2004). 'Birds sacrifice oxidative protection for reproduction'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 271.
    [Online] DOI: 10.1098/rsbl.2004.0171
  • Haggerty, C., Clapham, JC., Basta, B., Hoggard, N. & Speakman, JR. (2004). 'AMP-activated protein kinase is up-regulated in the brown adipose tissue of mice with high resting metabolic rate'. International Journal of Obesity, vol 28, pp. S83.
    [Online] DOI: 10.1038/sj.ijo.0802679
  • Johnston, SL., Bell, LM., Murray, S., Tolkamp, BJ., Yearsley, J., Kyriazakis, I., Illius, AW. & Speakman, JR. (2004). 'Individual variations in resting metabolic rate in C57BL/6J mice do not predispose to weight or fat gain over 6 months on diets of varying fat content'. International Journal of Obesity, vol 28.
  • Hambly, C. & Speakman, JR. (2004). 'Mechanisms of compensation for energy restriction in the mouse'. International Journal of Obesity, vol 28.
  • Krol, EB. & Speakman, JR. (2003). 'Limits to sustained energy intake VII: Milk energy output in laboratory mice at thermoneutralith'. Journal of Experimental Biology, vol 206, no. 23, pp. 4267-4281.
    [Online] DOI: 10.1242/jeb.00675
  • Speakman, JR., Ergon, T., Cavanagh, R., Reid, K., Scantlebury, DM. & Lambin, X. (2003). 'Resting and daily energy expenditures of free-living field voles are positively correlated but reflect extrinsic rather than intrinsic effects'. PNAS, vol 100, no. 24, pp. 14057-14062.
    [Online] DOI: 10.1073/pnas.2235671100
  • Krol, EB. & Speakman, JR. (2003). 'Limits to sustained energy intake VI. Energetics of lactation in laboratory mice at thermoneutrality'. Journal of Experimental Biology, vol 206, no. 23, pp. 4255-4266.
    [Online] DOI: 10.1242/jeb.00674
  • Krol, EB. & Speakman, JR. (2003). 'Limits to sustained energy intake VIII: Resting metabolic rate and organ morphology of laboratory mice lactating at thermoneutralith'. Journal of Experimental Biology, vol 206, no. 23, pp. 4283-4291.
    [Online] DOI: 10.1242/jeb.00676
  • Ward, S., Speakman, JR. & Slater, PJB. (2003). 'The energy cost of song in the canary, Serinus canaria'. Animal Behaviour, vol 66, no. 5, pp. 893-902.
    [Online] DOI: 10.1006/anbe.2003.2250
  • Humphries, M., Thomas, DW. & Speakman, JR. (2002). 'Climate-mediated energetic constraints on the distribution of hibernating mammals'. Nature, vol 418, pp. 313-316.
    [Online] DOI: 10.1038/nature00828
  • Scantlebury, M., Russell, AF., McIlrath, GM., Speakman, JR. & Clutton-Brock, TH. (2002). 'The energetics of lactation in cooperatively breeding meerkats Suricata suricatta'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 269, pp. 2147-2153.
    [Online] DOI: 10.1098/rspb.2002.2108
  • Mercer, JG. & Speakman, JR. (2001). 'Hypothalamic neuropeptide mechanisms for regulating energy balance: from rodent models to human obesity'. Neuroscience & Biobehavioral Reviews, vol 25, pp. 101-116.
    [Online] DOI: 10.1016/S0149-7634(00)00053-1
  • Johnson, MS., Thomson, SC. & Speakman, JR. (2001). 'Limits to sustained energy intake III: effects of concurrent pregnancy and lactation in Mus musculus'. Journal of Experimental Biology, vol 204, pp. 1947-1956.
  • Jackson, DM., Trayhurn, P. & Speakman, JR. (2001). 'Energetics and over-winter survival of the short-tailed field vole ( Microtus agrestis )'. Journal of Animal Ecology, vol 70, pp. 633-640.
  • Rayner, JMV., Ward, S., Poaloa, V. & Speakman, JR. (2001). 'Bounding flight in the Starling'. American Zoologist.
  • Russ, JM., Hutson, AM., Montgomery, WI., Racey, PA. & Speakman, JR. (2001). 'The status of Nathusius' pipistrelle ( Pipistrellus nathusii Keyserling & Blasius, 1839) in the British Isles'. Journal of Zoology, vol 254, pp. 91-100.
    [Online] DOI: 10.1017/S0952836901000589
  • Speakman, JR. (2001). 'The evolution of flight and echolocation in bats'. Mammal Review, vol 31, no. 2, pp. 111-130.
    [Online] DOI: 10.1046/j.1365-2907.2001.00082.x
  • Speakman, JR., Gidney, A., Bett, J., Mitchell, IP. & Johnson, MS. (2001). 'Limits to sustained energy intake IV: Effect of variation in food quality on lactating mice Mus musculus'. Journal of Experimental Biology, vol 204, pp. 1957-1965.
  • Gremillet, D., Wanlass, S., Harris, MP., Carss, D., Speakman, JR., le Maho, Y. & Linton, D. (2001). 'Foraging energetics of arctic cormorants and the evolution of diving birds'. Ecology Letters, vol 4, no. 3, pp. 180-184.
    [Online] DOI: 10.1046/j.1461-0248.2001.00214.x
  • Speakman, JR., Booles, D. & Butterwick, R. (2001). 'Validation of dual energy X-ray absorptiometry (DXA) by comparison with chemical analysis of dogs and cats'. International Journal of Obesity, vol 25, pp. 439-447.
    [Online] DOI: 10.1038/sj.ijo.0801544
  • Johnson, MS. & Speakman, JR. (2001). 'Limits to sustained energy intake V: Effect of cold exposure during lactation in Mus musculus'. Journal of Experimental Biology, vol 204, pp. 1967-1977.
  • Johnson, MS., Thomson, SC. & Speakman, JR. (2001). 'Limits to sustained energy intake I: Lactation in the laboratory mouse Mus musculus'. Journal of Experimental Biology, vol 204, pp. 1925-1935.
  • Selman, C., Lumsden, S., Bunger, L., Hill, WG. & Speakman, JR. (2001). 'Resting metabolic rate and morphology in mice ( Mus musculus ) selected for high and low food intake'. Journal of Experimental Biology, vol 204, pp. 777-784.
  • Thomas, DW., Blondel, J., Perret, P., Lambrechts, MM. & Speakman, JR. (2001). 'Energetic and fitness costs of mismatching resource supply and demand in seasonally breeding birds'. Science, vol 291, no. 5513, pp. 2598-2600.
    [Online] DOI: 10.1126/science.1057487
  • Bryce, JM., Speakman, JR., Johnson, PJ. & Macdonald, DW. (2001). 'Competition between Eurasian red and introduced Eastern grey squirrels: the energetic significance of body-mass differences'. Proceedings of the Royal Society of London. B, Biological Sciences, vol 268, pp. 1731-1736.
  • Johnson, MS., Thomson, SC. & Speakman, JR. (2001). 'Limits to sustained energy intake II. Inter-relationships between resting metabolic rate, life-history traits and morphology in Mus musculus'. Journal of Experimental Biology, vol 204, pp. 1937-1946.
    [Online] AURA: Johnson_Limits_to_sustained_energy_intake_II.pdf
  • Jackson, D., Trayhurn, P. & Speakman, JR. (2001). 'Comparison of methods for quantification of non-shivering thermogenic capacity'. FASEB Journal, vol 15, no. 5.
  • Johnson, LM., Thomson, S., Krol, E. & Speakman, JR. (2001). 'Limits to sustained energy intake during lactation in the mouse Mus musculus'. FASEB Journal, vol 15, no. 4.
  • Krol, E. & Speakman, JR. (2001). 'Energetics of lactation in laboratory mice at thermoneutrality'. FASEB Journal, vol 15, no. 4.
  • Hatch, KA., Pinshow, B. & Speakman, JR. (2000). 'Stable isotopes in exhaled CO2 and the assessment of substrate metabolism in flying birds'. American Zoologist, vol 40, no. 6, pp. 1047.
  • Lancaster, WC., Ward, S., Jones, G. & Speakman, JR. (2000). 'Energetics of biosonar vocalization in stationary insectivorous bats'. American Zoologist, vol 40, no. 6, pp. 1094-1095.
  • Peacock, WL. & Speakman, JR. (2000). 'Effect of high-fat diet on body mass and energy balance in the bank vole (Clethrionomys glareolus)'. Obesity Research, vol 8.
  • Peacock, WL. & Speakman, JR. (2000). 'Voles fed a high fat diet did not gain weight'. FASEB Journal, vol 14, no. 4.
  • Selman, C., Redman, P. & Speakman, JR. (2000). 'Male short-tailed field voles (Microtus agrestis) construct better insulated nests than females'. FASEB Journal, vol 14, no. 4.
  • Selman, C., McLaren, S., Himanka, MJ., Peacock, WL. & Speakman, JR. (2000). 'Long-term cold exposure and the effects on resting metabolic rate and antioxidant enzyme activities in short-tailed field voles. Microtus agrestis'. FASEB Journal, vol 14, no. 4.
  • Speakman, JR. & McLean, A. (2000). 'Effects of body mass on basal metabolic rate (BMR): why are intra-specific relationships so poor?'. FASEB Journal, vol 14, no. 4.
  • Hambly, C., Harper, BJ. & Speakman, JR. (2000). 'Cost of flight in the zebra finch (Taenopygia guttata): a novel approach based on elimination of C-13 labelled bicarbonate in breath'. FASEB Journal, vol 14, no. 4.
  • Speakman, JR., Snart, S., Selman, C., McLaren, JS., Redman, P., Krol, E., Jackson, D. & Johnson, MS. (2000). 'Living fast and dying old'. FASEB Journal, vol 14, no. 4, pp. A757.
  • Johnson, LM. & Speakman, JR. (2000). 'Heritability of resting metabolic rate (RMR) in the short-tailed field vole (Microtus agrestis)'. FASEB Journal, vol 14, no. 4.
  • Speakman, JR. (1999). 'The evolution of flight and echolocation in pre-bats: an evaluation of the energetics of reach hunting'. Acta Chiropterologica, vol 1, no. 1, pp. 3-15.
  • Speakman, JR., Ward, S. & Rayner, DV. (1999). 'Remote measurement of the energy cost of flight using infra-red thermography'. FASEB Journal, vol 13, no. 5.
  • Speakman, JR., Trayhurn, P. & Rayner, DV. (1999). 'Leptin inhibits the starvation responses of mice'. FASEB Journal, vol 13, no. 5.
  • Thomson, C., Brooke, AP. & Speakman, JR. (1998). 'Diurnal activity in the Samoan flying fox, Pteropus samoensis'. Philosophical Transactions of the Royal Society of London. Series B: Biological sciences, vol 353, no. 1375, pp. 1595-1606.
    [Online] DOI: 10.1098/rstb.1998.0312
  • Jenkins, EV., Laine, T., Morgan, SE., Cole, KL. & Speakman, JR. (1998). 'Roost selection in the pipistrelle bat, Pipistrellus pipistrellus (Chiroptera : Vespertilionidae), in northeast Scotland'. Animal Behaviour, vol 56, no. 4, pp. 909-917.
    [Online] DOI: 10.1006/anbe.1998.0858
  • Speakman, JR. (1998). 'The history and theory of the doubly labeled water technique'. American Journal of Clinical Nutrition, vol 68, no. 4, pp. 932s-938s.
  • Thompson, R., Bearhop, S., Speakman, JR. & Furness, RW. (1998). 'Feathers as a means of monitoring mercury in seabirds: insights from stable isotope analysis'. Environmental Pollution, vol 101, no. 2, pp. 193-200.
  • Speakman, JR. & Banks, D. (1998). 'The function of flight formations in Greylag Geese Anser anser: energy saving or orientation?'. Ibis, vol 140, no. 2, pp. 280-287.
    [Online] DOI: 10.1111/j.1474-919X.1998.tb04390.x
  • Entwistle, A., Racey, P. & Speakman, JR. (1998). 'The reproductive cycle and determination of sexual maturity in male brown long-eared bats, Plecotus auritus (Chiroptera : Vespertilionidae)'. Journal of Zoology, vol 244, no. 1, pp. 63.
    [Online] DOI: 10.1111/j.1469-7998.1998.tb00007.x
  • Speakman, JR. & Thomson, SC. (1997). 'Validation of the labeled bicarbonate technique for measurement of short term energy expenditure in the mouse'. Zeitschrift für Ernährungswissenschaft, vol 36, no. 4, pp. 273-277.
  • Mclean, JA. & Speakman, JR. (1997). 'Non-nutritional maternal support in the brown long-eared bat'. Animal Behaviour, vol 54, no. 5, pp. 1193-1204.
    [Online] DOI: 10.1006/anbe.1997.0498
  • Corp, N., Gorman, ML. & Speakman, JR. (1997). 'Apparent absorption efficiency and gut morphometry of wood mice, Apodemus sylvaticus, from two distinct populations with different diets'. Physiological and Biochemical Zoology, vol 70, no. 6, pp. 610-614.
  • Lancaster, WC., Thomson, C. & Speakman, JR. (1997). 'Wing temperature in flying bats measured by infrared thermography'. Journal of Thermal Biology, vol 22, no. 2, pp. 109-116.
    [Online] DOI: 10.1016/S0306-4565(96)00039-3
  • Corp, N., Gorman, ML. & Speakman, JR. (1997). 'Seasonal variation in the resting metabolic rate of male wood mice Apodemus sylvaticus from two contrasting habitats 15 km apart'. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology, vol 167, no. 3, pp. 229-239.
  • Speakman, JR. (1996). 'Energetics and the evolution of body size in small terrestrial mammals'. Symposia of the Zoological Society of London, no. 69, pp. 63-81.

Letters

  • Speakman, JR. (2010). 'FTO effect on energy demand versus food intake'. Nature, vol 464, no. 7289, pp. E1.
    [Online] DOI: 10.1038/nature08807
  • Speakman, JR. (2005). 'The ice diet'. New Scientist, vol 188, no. 2530, pp. 65.

Scientific Reviews

  • Furness, LJ. & Speakman, JR. (2008). 'Energetics and longevity in birds'. Age and Ageing, vol 30, no. 2-3, pp. 75-87.
    [Online] DOI: 10.1007/s11357-008-9054-3
  • Arch, JR.S., Hislop, D., Wang, SJY. & Speakman, JR. (2006). 'Some mathematical and technical issues in the measurement and interpretation of open-circuit indirect calorimetry in small animals'. International Journal of Obesity, vol 30, pp. 1322-1331.
    [Online] DOI: 10.1038/sj.ijo.0803280

Abstracts

  • Hambly, C., Mitchell, SE., Speakman, JR. & Williams, L. (2007). 'The Lou/C rat is proportionally smaller than the Wistar and not anorexic or hyperactive as previously reported'. International Journal of Obesity, vol 31, no. S1, pp. S84-S84.
    [Online] DOI: 10.1038/sj.ijo.0803597
  • Jackson, D., Pace, L. & Speakman, JR. (2002). 'The measurement of resting metabolic rate in young children: Reproducibility and comparison with predicted values'. Obesity Research, vol 10, no. 1, pp. 68.
    [Online] DOI: 10.1038/oby.2002.11

Chapters in Books, Reports and Conference Proceedings

Conference Proceedings

  • Speakman, JR. & Johnson, LM. (2000). 'Relationships between resting metabolic rate and morphology in lactating mice: What tissues are the major contributors to resting metabolism?'. in: Life in the Cold. Springer-Verlag, Berlin.

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