John J. Gilbert

Professor Emeritus of Biological Sciences

I am currently interested in several aspects of rotifer biology and ecology. Specifically, these interests include control of sexual reproduction and diapause in the life cycle, phenotypic plasticity and developmental polymorphisms, and predator-prey interactions.

Curriculum Vitae
341 Life Sciences Center
HB 6044
B.A. Williams College
Ph.D. Yale University

Selected publications

Gilbert, J. J.  2018.  Morphological variation and its significance in a polymorphic rotifer: environmental, endogenous, and genetic controls. BioScience 68: 169-181.

Gilbert, J.J.  2017.  Non-genetic polymorphisms in rotifers: environmental and endogenous controls, development, and features for predictable or unpredictable environments. Biological Reviews 92: 964-992.

Gilbert, J.J.  2017.  Resting-egg hatching and early population development in rotifers: a review and a hypothesis for differences between shallow and deep waters. Hydrobiologia 796: 235-243.

Gilbert, J.J. 2017.  Spine development in two taxa of Brachionus calyciflorus from Lake Littra, Australia: constitutive and induced defenses against Asplanchna. J. Plankton Res. 39: 962-971.

Gilbert, J.J.  2014.  Morphological and behavioral responses of a rotifer to the predator Asplanchna. J. Plankton Res. 36: 1576-1584.

Gilbert, J.J. and M.A. McPeek.  2013.  Maternal age and spine development in a rotifer: ecological implications and evolution. Ecology 94: 2166-2172

Gilbert, J.J.  2013.  The cost of predator-induced morphological defense in rotifers: experimental studies and synthesis. J. Plankton Res. 35: 461-472.

Gilbert, J.J.  2012.  Predator-induced defense in rotifers: developmental lags for morph transformations, and effect on population growth. Aquatic Ecol. 46: 475-486.

Gilbert, J.J.  2012.  Effects of an ostracod (Cypris pubera) on the rotifer Keratella tropica:  predation and reduced spine development. Internat. Rev. Hydrobiol. 97: 445-453.

Gilbert, J.J.  2011. Temperature, kairomones, and phenotypic plasticity in the rotifer Keratella tropica (Apstein, 1907). Hydrobiologia 678: 179-190.

Gilbert, J.J.  2011.  Induction of different defenses by two enemies in the rotifer Keratella tropvica: response priority and sensitivity to enemy density. Freshwat. Biol. 56: 926-938.

Gilbert, J.J.  2010.  Effect of food concentration on the production and viability of resting eggs of the rotifer Brachionus: implications for the timing of sexual reproduction.  Freshwat. Biol. 55: 2437-2446

Gilbert, J.J. and M.C. Diéguez.  2010.  Low crowding threshold for induction of sexual reproduction and diapause in a Patagonian rotifer. Freshwat. Biol. 55: 1705-1718.

Gilbert, J.J.  2009.  Predator-specific inducible defenses in the rotifer Keratella tropica.  Freshwat. Biol. 54: 1933-1946.

Schröder, T and J.J. Gilbert.  2009.  Maternal age and spine development in the rotifer Brachionus calyciflorus: increase of spine length with birth order. Freshwat. Biol.  54: 1054-1065.

Gilbert, J.J.  2007.  Timing of diapause in monogonont rotifers. In: Diapause in aquatic invertebrates: theory and human use (V. Alekseev, J. J. Gilbert and B. De Stasio, eds.). Springer, Dordrecht, The Netherlands. pp.  11-27.

Gilbert, J.J.  2007.  Induction of mictic females in the rotifer Brachionus: oocytes of amictic females respond individually to population-density signal only during oogenesis shortly before oviposition. Freshwat. Biol. 52: 1417-1426.

Gilbert, J.J. and E.J. Walsh.  2005.  Brachionus calyciflorus is a species complex: mating behavior and genetic differentiation among four geographically isolated strains. Hydrobiologia 546: 257-265

GGilbert, J. J. and T. Schröder.  2004.  Rotifers from diapausing, fertilized eggs: unique features and emergence. Limnol. Oceanogr. 49: 1341-1354.

Gilbert, J.J.  2004.  Females from resting eggs and parthenogenetic eggs in the rotifer Brachionus calyciflorus: lipid droplets, starvation resistance and reproduction. Freshwat. Biol. 49: 1505-1515.

Schröder, T. and J.J. Gilbert.  2004.  Transgenerational plasticity for sexual reproduction and diapause in the life cycle of monogonont rotifers: intraclonal, intraspecific and interspecific variation in the response to crowding. Functional Ecology 18: 458-466.

Gilbert, J.J.  2003.  Environmental and endogenous control of sexuality in a rotifer life cycle: developmental and population biology. Evolution & Development 5: 19-24.

Diéguez, M.C. and J.J. Gilbert.  2003.  Predation by Buenoa macrotibialis (Insecta, Hemiptera) on zooplankton: effect of light on selection and consumption of prey. J. Plankton Res. 25: 759-769.

Gilbert, J.J. and T. Schröder.  2003.  The ciliate epibiont Epistylis pygmaeum: selection for zooplankton hosts, reproduction and effect on two rotifer hosts. Freshwat. Biol. 48: 878-893.

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