2009:

Calisi, R.M. and Bentley, G.E. (2009). Lab and field experiments: are they the same animal? Hormones and Behavior. (in press).

Tsutsui, K., E. Saigoh, H. Yin, T. Ubuka, V. S. Chowdhury, T. Osugi, K. Ukena, P. J. Sharp, J. C. Wingfield and G. E. Bentley (2009). A New Key Neurohormone Controlling Reproduction, Gonadotropin-Inhibitory Hormone (GnIH) in Birds: Discovery, Progress and Prospect. Journal of Neuroendocrinology (in press) 

George E. Bentley, Takayoshi Ubuka, Nicolette L. McGuire, Rebecca Calisi, Nicole Perfito, Lance J. Kriegsfeld, John C. Wingfield and Kazuyoshi Tsutsui (2009). GnIH: A Multifunctional Neuropeptide. Journal of Neuroendocrinology (in press) 

Kazuyoshi Tsutsui and George E. Bentley (2009). Gonadotropin-Inhibitory Hormone (GnIH): Biosynthesis, Mode of Action and Functional Significance in Birds. Avian and Poultry Biology Reviews (in press). 

Takayoshi Ubuka and George E. Bentley (2009). Identification, localization and regulation of Passerine gonadotropin-releasing hormone-I messenger RNA. Journal of Endocrinology (in press). 

2008:

Small, T.W., Sharp, P.J., Bentley, G.E., Millar, R.P., Tsutsui, K., Mura, E., and Deviche, P. (2008) Photoperiod-independent hypothalamic regulation of luteinizing hormone secretion in a free-living Sonoran Desert bird, the Rufous-winged Sparrow (Aimophila carpalis). Brain Behavior and Evolution 71: 127-142. 

Small, T.W., Sharp,P.J., Bentley,G.E., Millar,R.P Tsutsui, K., Strand, C.R., and Deviche, P. (2008) Auditory stimulation of reproductive function in male Rufous-winged Sparrows, Aimophila carpalis. Hormones and Behavior 53: 28-39. 

Small, T.W., Sharp, P.J., Bentley, G.E., and Deviche, P. (2008) Relative photorefractoriness, prolactin, and reproductive regression in a flexibly breeding Sonoran Desert passerine, the Rufous-winged Sparrow, Aimophila carpalis. Journal of Biological Rhythms 23: 69-80.  

Alexander J. Coverdill, George E. Bentley and Marilyn Ramenofsky (2008). Circadian Control of Migratory Restlessness in Gambel’s White-Crowned Sparrow (Zonotrichia leucophrys gambelii). Journal of Biological Rhythms 23: 59-68. 

George E. Bentley, Takayoshi Ubuka, Nicolette L. McGuire, Vishwajit S. Chowdhury, Yoshihiro Morita, Tetsu Yano, Itaru Hasunuma, Molly Binns, John C. Wingfield and Kazuyoshi Tsutsui (2008). Gonadotropin-Inhibitory Hormone and Its Receptor in the Avian Reproductive System. General and Comparative Endocrinology 156: 34-43. [COVER ARTICLE]. 

Perfito, N., Kwong, J.M.Y., Bentley, G.E., Hau, M. (2008). Cue hierarchies and testicular development: Is food a more potent stimulus than photoperiod in an opportunistic breeder (Taeniopygia g. guttata)? Hormones and Behavior 53: 567-572. 

Tyler J. Stevenson, George E. Bentley, Takayoshi Ubuka, Lutgarde Arckens, Elizabeth Hampson, Scott A. MacDougall-Shackleton (2008). Effects of social cues on GnRH-I, GnRH-II and reproductive physiology in female house sparrows (Passer domesticus). General and Comparative Endocrinology 156:385-394. 

Takayoshi Ubuka, Stephanie Kim, Yu-chi Huang, Jessica Reid, Jennifer Jiang, Tomohiro Osugi, Vishwajit S. Chowdhury, Kazuyoshi Tsutsui and George E. Bentley (2008). Gonadotropin-inhibitory Hormone Neurons Interact Directly with Gonadotropin-releasing Hormone-I and -II Neurons in European Starling Brain. Endocrinology 149:268-278. 

Greives, T.J., Kriegsfeld, L.J., Bentley, G.E., Tsutsui, K. and Demas, G.E. (2008). Recent advances in reproductive neuroendocrinology: a role for RFamide peptides in seasonal reproduction? Proceedings of the Royal Society of London B 275: 1943-1951. 

Calisi R.M., Rizzo N.O. and Bentley, G.E. (2008). Seasonal differences in hypothalamic EGR-1 and GnIH expression following capture-handling stress in House sparrows (Passer domesticus). General and Comparative Endocrinology 157: 283-287. 

Erin M. Gibson, Stephanie A. Humber, Sachi Jain, Wilbur P. Williams III, Sheng Zhao, George E. Bentley, Kazuyoshi Tsutsui and Lance J. Kriegsfeld (2008). Alterations in RFamide-related peptide expression are coordinated with the preovulatory luteinizing hormone surge. Endocrinology (in press, published online June 2008). [COVER ARTICLE]. 

Takayoshi Ubuka, Nicolette L. McGuire, Rebecca M. Calisi, Nicole Perfito and George E. Bentley (2008). The control of reproductive physiology and behavior by gonadotropin-inhibitory hormone. Integrative and Comparative Biology 48: 560-569. 

Jeremy T. Smith, Lique M. Coolen, Lance J. Kriegsfeld, Ika P. Sari, Mohammad R. Jaafarzadehshirazi, Matthew Maltby, Katherine Bateman, Robert L. Goodman, Alan J. Tilbrook, Takayoshi Ubuka, George E. Bentley, Iain J. Clarke and Michael N. Lehman (2008). Variation in kisspeptin and gonadotropin-inhibitory hormone expression and terminal connections to GnRH neurons in the brain: a novel medium for seasonal breeding in the sheep. Endocrinology (in press, published online July 2008). 

Iain J. Clarke,  Ika P. Sari, Qi Yue, Jeremy Smith, Helena C. Parkington, Takayoshi Ubuka, Javed Iqbal, Qun Li, Alan Tilbrook, Kevin Morgan, Adam J. Pawson, Kazuyoshi Tsutsui, Robert P. Millar and George E. Bentley (2008). Potent action of RFRP-3 on pituitary gonadotropes indicative of an hypophysiotropic role in the negative regulation of gonadotropin secretion. Endocrinology (rapid communication) (in press, published online July 2008). 

George E. Bentley (2008). Biological Timing: Sheep, Dr. Suess, and Mechanistic Ancestry. Current Biology 18: R736-738.

2007: 

Nicole Perfito, Richard Zann, George E. Bentley and Michaela Hau (2007). Opportunism at work: habitat predictability affects reproductive strategy in free-living zebra finches. Functional Ecology 21: 291-301. 

Cynthia Corbitt, Danielle Satre, Larry A. Adamson, Gary Cobbs and George E. Bentley (2007). Dietary phytoestrogens and photoperiodic response in a male songbird, the Dark-eyed Junco (Junco hyemalis). General and Comparative Endocrinology 154: 16-21. 

Kazuyoshi Tsutsui , George E. Bentley, Takayoshi Ubuka, Etsuko Saigoh, Hong Yin, Tomohiro Osugi, Kazuhiko Inoue, Vishwajit S. Chowdhury, Kazuyoshi Ukena, Nick Ciccone, Peter J. Sharp, John C. Wingfield (2007). Review: The general and comparative biology of gonadotropin-inhibitory hormone (GnIH). General and Comparative Endocrinology 153: 365-370. 

Christopher K. Thompson, George E. Bentley, Eliot A. Brenowitz (2007). Rapid seasonal-like regression of the adult avian song control system. Proceedings of the National Academy of Sciences 104: 15520-15525. 

Jodie M. Jawor, Joel W. McGlothlin, Joseph M. Casto, Timothy J. Greives, Eric A. Snajdr, George E. Bentley, Ellen D. Ketterson (2007). Testosterone response to GnRH in a female songbird varies with stage of reproduction: implications for adult behaviour and maternal effects. Functional Ecology 21: 767-775. 

George E. Bentley, Takayoshi Ubuka, Nicole Perfito, Yu-Chi Huang, Jennifer Jiang, Stephanie Kim, Kazuyoshi Ukena, Tomohiro Osugi, Sara O’Brien, Alistair Dawson, Kazuyoshi Tsutsui and John C. Wingfield (2007). Gonadotropin-Inhibitory Hormone in Seasonally-Breeding Songbirds: Form and Function. Journal of Ornithology 148:S521-S526. 

Kazuyoshi Tsutsui, Takayoshi Ubuka, Hong Yin, Tomohiro Osugi, Kazuyoshi Ukena, George E. Bentley, Peter J. Sharp, John C. Wingfield (2007). Review: Discovery of gonadotropin-inhibitory hormone in a domesticated bird, and its mode of action and functional significance. Journal of Ornithology 148: S515-520.

2006: 

Nicole Perfito, George E. Bentley and Michaela Hau (2006). Tonic activation of brain GnRH immunoreactivity despite reduction of peripheral reproductive parameters in opportunistically breeding zebra finches. Brain, Behavior and Evolution 67: 123-134. 

K. Tsutsui, T. Ubuka, H. Yin, T. Osugi, K. Ukena, G.E. Bentley,  N. Ciccone,  K. Inoue, V.S. Chowdhury, P.J. Sharp,  and J.C. Wingfield (2006). Mode of Action and Functional Significance of Avian Gonadotropin-Inhibitory Hormone (GnIH): A Review. J. Exp. Zool. 305A: 801-806. 

George E. Bentley, Lance J. Kriegsfeld, Tomohiro Osugi, Kazuyoshi Ukena, Sara O’Brien, Nicole Perfito, Ignacio Moore, John C. Wingfield and Kazuyoshi Tsutsui (2006). Interactions of Gonadotropin-Releasing Hormone (GnRH) and Gonadotropin-Inhibitory Hormone (GnIH) and in birds and mammals. J. Exp. Zool. 305A: 807-814. 

Ignacio T. Moore, George E. Bentley, Cheryl Wotus, John C. Wingfield (2006). Photoperiod-independent changes in immunoreactive brain gonadotropin-releasing hormone (GnRH) in a free-living, tropical bird. Brain, Behavior and Evolution 68: 37-44. 

Kriegsfeld LJ, Feng-Mei D, Bentley GE, Ukena K, Tsutsui, K, Silver, R. (2006). Identification and Characterization of a Gonadotropin-Inhibitory System in the Brains of Mammals. Proceedings of the National Academy of Sciences 103: 2410-2415. 

Takayoshi Ubuka, Kazuyoshi Ukena, Peter J. Sharp, George E. Bentley and Kazuyoshi Tsutsui (2006). Gonadotropin-inhibitory hormone inhibits gonadal development and maintenance by decreasing gonadotropin synthesis and release. Endocrinology 147:1187-1194. 

George E. Bentley, Jay P. Jensen, Gurpinder J. Kaur, Douglas W. Wacker, Kazuyoshi Tsutsui and John C. Wingfield (2006). Rapid inhibition of female sexual receptivity by gonadotropin-inhibitory hormone (GnIH). Hormones and Behavior 49: 550-555. [COVER ARTICLE]. 

G. E. Bentley, N. Perfito, I.T. Moore, K. Ukena, K. Tsutsui, and J.C. Wingfield (2006). Gonadotropin-Inhibitory Hormone in Birds: Possible Modes of Action.  Acta Zoologica Sinica: 52: 178-182. 

Jodie M. Jawor, Joel W. McGlothlin, Joseph M. Casto, Timothy J. Grieves, Eric A. Snajdr, George Bentley, Ellen D. Ketterson (2006). Seasonal and individual variation in response to GnRH challenge in male dark-eyed juncos (Junco hyemalis). General and Comparative Endocrinology 149: 182-189. 

Spinney, L.H., Bentley, G.E., Hau M. (2006). Endocrine correlates of alternative phenotypes in the white-throated sparrow (Zonotrichia albicollis). Hormones and Behavior 50: 762-711. 

2005: 

Takayoshi Ubuka, George E. Bentley, Kazuyoshi Ukena, John C. Wingfield and Kazuyoshi Tsutsui (2005). Melatonin induces the expression of gonadotropin-inhibitory hormone in the avian brain. Proceedings of the National Academy of Sciences 102: 3052-3057. Nature Reviews Highlight [Nature Reviews Neuroscience 6:264 (2005)] 

K. Beebe, G.E. Bentley & M. Hau (2005). A tropical rainforest bird lacks photorefractoriness in the wild, despite high photosensitivity. Functional Ecology 19: 505-512.