Publications

Refereed papers (*reprint available upon request):

Gefen E. and Matthews P.G.D. (2021). From chemoreception to regulation: filling the gaps in understanding how insects control gas exchange. Curr. Opin. Insect Sci. 48: 1-6. (pdf)
Cain S., Loria S.F., Ben-Shlomo R., Prendini L. and Gefen E. (2021). Dated phylogeny and ancestral range estimation of sand scorpions (Buthidae: Buthacus) reveal Early Miocene divergence across land bridges connecting Africa and Asia. Mol. Phylogenet. Evol. 164: 107212. (pdf)
Lavy O., Gophna U., Ayali A., Gihaz S., Fishman A. and Gefen E. (2021). The maternal foam plug constitutes a reservoir for the desert locust's bacterial symbionts. Environ. Microbiol. 23: 2461-2472. (pdf)
Cain S., Gefen E. and Prendini L. (2021). Systematic revision of the sand scorpions, genus Buthacus Birula, 1908 (Buthidae C.L. Koch, 1837) of the Levant, with redescription of Buthacus arenicola (Simon, 1885) from Algeria and Tunisia. Bull. Am. Mus. Nat. Hist. 450: 1-134.*
Urca T., Gefen E. and Ribak G. (2021). Critical PO2 and insect flight: the role of tracheal volume in the Oogenesis-Flight Syndrome. Comp. Biochem. Phys. A, 254: 110873. (pdf)
Raviv D. and Gefen E. (2021). Post-feeding thermophily in a scorpion is associated with rapid digestion and recovery of maximal nocturnal activity. J. Insect Physiol., 129: 104155. (pdf)
Lavy, O., Gophna U., Gefen E. and Ayali A. (2020). Locust bacterial symbionts: an update. Insects 11: 655. (pdf)
Lavy O., Gophna U., Gefen E. and Ayali A. (2020). Dynamics of bacterial composition in the locust reproductive tract are affected by the density-dependent phase. FEMS Microbiol. Ecol. 96: fiaa044. (pdf)
Talal S., Ayali A. and Gefen E. (2019). Respiratory gas levels interact to control ventilatory motor patterns in isolated locust ganglia. J. Exp. Biol. 222: jeb195388. (pdf)
Lavy O., Gophna U., Gefen E. and Ayali A. (2019). The effect of density-dependent phase on the locust gut bacterial composition. Front. Microbiol. 9: 3020. (pdf)
Bramasole L., Sinha A., Gurevich S., Radzinski M., Klein Y., Panat N., Gefen E., Rinaldi T., Jimenez- Morales D., Johnson J., Krogan N.J., Reis N., Reichmann D., Glickman M.H. and Pick E. (2019). Proteasome lid bridges mitochondrial stress with Cdc53/Cullin1 NEDDylation status. Redox Biol. 20: 533-543. (pdf)
Rajpurohit S., Gefen E., Bergland A.O., Petrov D.A., Gibbs A.G. and Schmidt P.S. (2018). Spatiotemporal dynamics and genome-wide association analysis of desiccation tolerance in Drosophila melanogaster. Mol. Ecol. 27: 3525-3540. (pdf)
Talal S., Gefen E. and Ayali A. (2018). Intricate but tight coupling of spiracular activity and abdominal ventilation during locust discontinuous gas exchange cycles. J. Exp. Biol. 221: jeb174722. (pdf)
Talal S., Ayali A. and Gefen E. (2016). An experimental evolution study confirms that discontinuous gas exchange does not contribute to body water conservation in locusts. Biol. Lett. 12: 20160807. (pdf)
Talal S., Ayali A. and Gefen E. (2015). Discontinuous gas-exchange cycle characteristics are differentially affected by hydration state and energy metabolism in gregarious and solitarious desert locusts. J. Exp. Biol. 218: 3807-3815. (pdf)
Huang S.P., Talal S., Ayali A. and Gefen E. (2015). The effect of discontinuous gas exchange on respiratory water loss in grasshoppers (Orthoptera: Acrididae) varies across an aridity gradient. J. Exp. Biol. 218: 2510-2517. (pdf)

Talal S., Tesler I., Sivan J., Ben-Shlomo R., Tahir M., Prendini L., Snir S. and Gefen E. (2015). Scorpion speciation in the Holy Land: Multilocus phylogeography corroborates diagnostic differences in morphology and burrowing behavior among Scorpio subspecies and justifies recognition as phylogenetic, ecological and biological species. Mol. Phylogenet. Evol. 91: 226-237. (pdf)
Gefen E., Talal S., Brendzel O., Dror A. and Fishman A. (2015). Variation in quantity and composition of cuticular hydrocarbons in the scorpion Buthus occitanus (Buthidae) in response to acute exposure to desiccation stress. Comp. Biochem. Phys. A. 182: 58-63. (pdf)

Maskato Y., Talal S., Keasar T. and Gefen E. (2014). Red foliage color reliably indicates low host quality and increased metabolic load for development of an herbivorous insect. Arthropod-Plant Inte. 8: 285-292. (pdf)

Huang S.P., Sender R. and Gefen E. (2014). Oxygen diffusion limitation triggers ventilatory movements during spiracle closure when insects breathe discontinuously. J. Exp. Biol. 217: 2229-2231. (pdf)

Berman T.S., Ayali A. and Gefen E. (2013). Neural control of gas exchange patterns in insects: locust density-dependent phases as a test case. PLoS ONE 8(3): e59967. (pdf)

Kalra B. and Gefen E. (2012). Scorpions regulate their energy metabolism towards increased carbohydrate oxidation in response to dehydration. Comp. Biochem. Phys. A. 162: 372-377. (pdf)

Gefen E. and Brendzel O. (2011). Desiccation resistance and mating behavior in laboratory populations of Drosophila simulans originating from the opposing slopes of Lower Nahal Oren (Israel). J. Evol. Biol. 24: 2110-2117. (pdf)

Gefen E. (2011). The relative importance of respiratory water loss in scorpions is correlated with species habitat type and activity pattern. Physiol. Biochem. Zool. 84: 68-76. (pdf)

Gefen E. and Gibbs A.G. (2009). Interactions between environmental stress and male mating success may enhance reproductive isolation of stress-resistant Drosophila populations. Evolution 63: 1653-1659. (pdf)

Gefen E., Ung C. and Gibbs A.G. (2009). Partitioning of transpiratory water loss of the desert scorpion, Hadrurus arizonensis (Iuridae). J. Insect Physiol. 55: 544-548. (pdf)

Gefen E. (2008). Sexual dimorphism in desiccation responses of the sand scorpion Smeringurus mesaensis (Vaejovidae). J. Insect Physiol. 54: 798-805. (pdf) (erratum)

Gefen E., Marlon A.J. and Gibbs A.G. (2006). Selection for desiccation resistance in adult Drosophila melanogaster affects larval development and metabolite accumulation. J. Exp. Biol. 209: 3293-3300. (pdf)

Gefen E. and Ar A. (2006). Temperature dependence of water loss rates in scorpions and its effect on the distribution of Buthotus judaicus (Buthidae) in Israel. Comp. Biochem. Phys. A. 144: 58-62. (pdf)

Haspel G., Gefen E., Ar A., Glusman J.G., and Libersat F. (2005). Parasitoid wasp affects metabolism of cockroach host to favor food preservation for its offspring. J. Comp. Physiol. A. 191: 529-534. (pdf)

Gefen E. and Ar A. (2005). The effect of desiccation on water management and compartmentalisation in scorpions: the hepatopancreas as a water reservoir. J. Exp. Biol. 208: 1887-1894. (pdf)

Gefen E. and Ar A. (2004). Comparative water relations of four species of scorpions in Israel: evidence for phylogenetic differences. J. Exp. Biol. 207: 1017-1025. (pdf)

Gefen E., Stone L., Rosenfeld M. and Westernhagen H. (2003). Biological indicators in marine and coastal waters: a statistical and modelling analysis of the MARS campaign. Helgoland Mar. Res. 57: 272-284. (pdf)

Fishelson L., Bresler V., Abelson A., Stone L., Gefen E., Rosenfeld M. and Mokady O. (2002). The two sides of man-induced changes in littoral marine communities: Eastern Mediterranean and the Red Sea as an example. Sci. Total Environ. 296: 139-151. (pdf)

Gefen E. and Ar A. (2001). Morphological description of the developing ostrich embryo: A tool for embryonic age estimation. Israel J. Zool. 47: 87-97. (pdf)

Gefen E. and Ar A. (2001). Gas exchange and energy metabolism of the ostrich (Struthio camelus) embryo. Comp. Biochem. Phys. A. 130: 689-699. (pdf)

Tazawa H., Ar A., Moriya K., Gefen E., and Pearson J. T. (2000). Embryonic heart rate measurements during artificial incubation of emu eggs. Brit. Poultry Sci. 41: 89-93.
Tazawa H., Ar A., Pearson J. T., Moriya K., and Gefen E. (1998). Heart rate in developing ostrich embryos. Brit. Poultry Sci. 39: 161-166. (pdf)

Chapters in books:

Gibbs A.G. and Gefen. E. (2009). Physiological Adaptation in Laboratory Environments. In: Experimental Evolution (eds. T. Garland and M.R. Rose). University of California Press.