Results 41 to 50 of about 18,710 (195)

Effects of elevated temperature, reduced hydroperiod, and invasive bullfrog larvae on pacific chorus frog larvae.

PLoS ONE, 2022
Climate change and invasive species threaten many ecosystems, including surface freshwater systems. Increasing temperatures and reduced hydroperiod due to climate change may promote the persistence of invasive species and facilitate new invasions due to ...
Bailey R Tasker, Karli N Honebein, Allie M Erickson, Julia E Misslin, Paul Hurst, Sarah Cooney, Skylar Riley, Scott A Griffith, Betsy A Bancroft   +8 more
doaj   +2 more sources

Presynaptic actions of 4-Aminopyridine and γ-aminobutyric acid on rat sympathetic ganglia in vitro [PDF]

, 1980
Responses to bath-applications of 4-aminopyridine (4-AP) and -aminobutyric acid (GABA) were recorded intracellularly from neurones in the rat isolated superior cervical ganglion.
A Nistri, A Tokunaga, B Hue, B Katz, C Nicholson, CL Schauf, DA Brown, DA Brown, DA Brown, DA Brown, DA McAfee, DI Wallis, E Jankowska, E Kato, E Kato, G. ten Bruggencate, H Lundh, H Lundh, H Meves, IG Marshall, JE Heuser, JZ Yeh, JZ Yeh, K Golenhofen, M Lemeignan, M Lemeignan, M. Galvan, NG Bowery, P. Grafe, PR Adams, R Llinás, SY Chiu, T Brismar, T Yanagisawa, W Ulbricht, WC Bowman, WW Douglas   +36 more
core   +1 more source

Assessing the Presence, Pattern, and Environmental Correlates of Seasonal Skin Thickening in Anurans

Integrative Zoology, EarlyView.
Histological sections, like that of the ventral pectoral skin of Lithobates pipiens, were measured to assess variation in skin thickness throughout the year in three North American anuran species. After correcting for individual body size, we test whether skin thickness changes throughout the year and which factors (environment or life history) explain
Collin S. VanBuren, Lily K. Bentley, David B. Norman, Nadia B. Fröbisch   +3 more
wiley   +1 more source

UPDATED GEOGRAPHIC DISTRIBUTIONS OF MICHIGAN HERPETOFAUNA:: A SYNTHESIS OF OLD AND NEW SOURCES [PDF]

, 2016
Recently a comprehensive overview of reptiles and amphibians in Michigan was published. Unfortunately, the distributions of the species represented were compiled before widespread accessibility to technological tools providing greater access to museum ...
Phillips, John G.
core   +2 more sources

Anatomy of spinal CSF loss in the American alligator (Alligator mississippiensis)

Journal of Anatomy, Volume 246, Issue 4, Page 575-584, April 2025.
India ink introduced into the cranial cerebrospinal fluid (CSF) compartment of Alligator diffuses along the spinal cord and exits the spinal compartment using perineural flow, resulting in a prominent “ink cuff” forming at the base of the spinal nerve. In Alligator, the region of the ink cuff is drained by a small lymphatic vessel.
Hadyn DeLeeuw, Michael Cramberg, Matthew Dille, Emily Pick, Mary Thompson, Bruce A. Young   +5 more
wiley   +1 more source

Differential Uptake of Gold Nanoparticles by 2 Species of Tadpole, the Wood Frog (Lithobates Sylvaticus) and the Bullfrog (Lithobates Catesbeianus)

, 2017
Engineered nanoparticles are aquatic contaminants of emerging concern that exert ecotoxicological effects on a wide variety of organisms. We exposed cetyltrimethylammonium bromide–capped spherical gold nanoparticles to wood frog and bullfrog tadpoles ...
Andresen, Kurt, Bury, Taylor B., Carfagno, Gerardo L.F., Fong, Peter P., Lee, Laura L., Lerner, Kevin T., Sitton, Andrea J., Thompson, Lucas B.   +7 more
core   +1 more source

Fish and amphibians as bat predators [PDF]

, 2015
Although bats (Chiroptera) belong to the most diverse mammalian orders, study of diversity of their natural predators has been seriously neglected for a long time.
Mikula, Peter
core   +3 more sources

Prevalence and Mechanisms of Sustained Force Production in the Musculature of the Southern Alligator Lizard (Elgaria multicarinata)

Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 345, Issue 3, Page 272-281, April 2026.
ABSTRACT The southern alligator lizard (Elgaria multicarinata) exhibits prolonged mate‐holding behavior. This behavior maybe be underpinned by a phenomenon known as sustained force, observed in the jaw muscles of this species, in which the muscle fails to relax between subsequent contractions.
Allyn Nguyen, Kyle Leong, Jessica Phan, Natalie Holt   +3 more
wiley   +1 more source

Synaptic up-scaling preserves motor circuit output after chronic, natural inactivity

eLife, 2017
Neural systems use homeostatic plasticity to maintain normal brain functions and to prevent abnormal activity. Surprisingly, homeostatic mechanisms that regulate circuit output have mainly been demonstrated during artificial and/or pathological ...
Joseph M Santin, Mauricio Vallejo, Lynn K Hartzler   +2 more
doaj   +1 more source

Characterization of NLRP3 isoforms in bullfrog Aquarana catesbeiana and their role in antibacterial immunity

Journal of the World Aquaculture Society, Volume 57, Issue 2, April 2026.
Abstract The NLRP3 inflammasome is essential for innate immunity against pathogens, yet its function in amphibians remains poorly understood. Here, we identified and cloned two novel isoforms of NLRP3 from the American bullfrog (Aquarana catesbeiana), designated AcNLRP3 X1 and AcNLRP3 X2, with open reading frames of 2397 bp (798 aa) and 2874 bp (957 aa)
Peikui Yang, Jiayi Chen, Yixian Lin, Boxi Zeng, Tongying Chen, Jude Juventus Aweya, Xianghui Zou, Yuzhong Zheng, Ruixuan Wang   +8 more
wiley   +1 more source