Results 31 to 40 of about 42,376 (222)

Exposure to Roundup and Antibiotics Alters Gut Microbial Communities, Growth, and Behavior in Rana berlandieri Tadpoles

open access: yesBiology, 2023
The gut microbiome is important for digestion, host fitness, and defense against pathogens, which provides a tool for host health assessment. Amphibians and their microbiomes are highly susceptible to pollutants including antibiotics.
Melissa Villatoro-Castañeda   +5 more
doaj   +1 more source

Higgs-gauge unification without tadpoles

open access: yes, 2004
In orbifold gauge theories localized tadpoles can be radiatively generated at the fixed points where U(1) subgroups are conserved. If the Standard Model Higgs fields are identified with internal components of the bulk gauge fields (Higgs-gauge ...
Biggio, C., Quiros, M.
core   +1 more source

THIRD INTERNATIONAL SYMPOSIUM ON RANAVIRUSES:: ADVANCING THE UNDERSTANDING OF THE THREAT OF RANAVIRUSES TO NORTH AMERICAN HERPETOFAUNA [PDF]

open access: yes, 2017
Members of the genus Ranavirus, one of five genera withinthe family Iridoviridae, encompass a group of large, doublestrandedDNA viruses that infect all three classes of ectothermicvertebrates: fish, amphibians, and reptiles.
Chinchar, V. Gregory   +4 more
core   +2 more sources

Behavioral responses of tadpoles of Duttaphrynus melanostictus (Anura: Bufonidae) to cues of starved and fed dragonfly larvae

open access: yesPhyllomedusa: Journal of Herpetology, 2020
Behavioral responses of tadpoles of Duttaphrynus melanostictus (Anura: Bufonidae) to cues of starved and fed dragonfly larvae. Tadpoles of Duttaphrynus melanostictus use chemoreception to detect kairomonal cues and excretory metabolites from predatory ...
Santosh M. Mogali   +2 more
doaj  

Antipredator pheromones in amphibians: a review

open access: yesVeterinární Medicína, 2006
Specific chemosignals (pheromones) have an important role in the antipredator behaviour in amphibians and other vertebrates. However, relatively little is known about the occurrence of chemical alarm cues just in amphibians.
J. Rajchard
doaj   +1 more source

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

open access: yes, 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   +7 more
core   +1 more source

Gauge-independent $\overline{MS}$ renormalization in the 2HDM [PDF]

open access: yes, 2012
We present a consistent renormalization scheme for the CP-conserving Two-Higgs-Doublet Model based on $\overline{MS}$ renormalization of the mixing angles and the soft-$Z_2$-symmetry-breaking scale $M_{sb}$ in the Higgs sector.
Ansgar Denner   +57 more
core   +6 more sources

Infinity Cancellation, Type I' Compactification and String S-Matrix Functional

open access: yes, 1996
Nonvanishing tadpoles and possible infinities associated in the multiparticle amplitudes are discussed with regard to the disk and $RP^{2}$ diagrams of the Type I' compactification.
A. Tokura   +31 more
core   +3 more sources

Tree-Level Stability Without Spacetime Fermions: Novel Examples in String Theory [PDF]

open access: yes, 2007
Is perturbative stability intimately tied with the existence of spacetime fermions in string theory in more than two dimensions? Type 0'B string theory in ten-dimensional flat space is a rare example of a non-tachyonic, non-supersymmetric string theory ...
A. Fotopoulos   +31 more
core   +5 more sources

Making friends: social attraction in larval green and golden bell frogs, Litoria aurea. [PDF]

open access: yesPLoS ONE, 2013
Socio-ecological models combine environmental and social factors to explain the formation of animal groups. In anurans, tadpole aggregations have been reported in numerous species, but the factors driving this behaviour remain unclear.
Stephan T Leu   +2 more
doaj   +1 more source

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