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E. Yohannes · SciRah

Researcher profile · Semantic Scholar

E. Yohannes

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E. Yohannes — researcher profile on SciRah

h-index: 21
Works: 70
Citations: 1,830

Most-cited papers

pH Regulates Genes for Flagellar Motility, Catabolism, and Oxidative Stress in Escherichia coli K-12
L. Maurer, E. Yohannes, S. S. Bondurant, M. Radmacher +1 more
2005Journal of Bacteriology483 citations Open access
Semantic Scholar
Oxygen limitation modulates pH regulation of catabolism and hydrogenases, multidrug transporters, and envelope composition in Escherichia coli K-12
Everett Hayes, Jessica C. Wilks, Piero Sanfilippo, E. Yohannes +5 more
2006BMC Microbiology148 citations Open access
Semantic Scholar
Animal Migration: A Context for Using New Techniques and Approaches
K. Hobson, D. Norris, K. Kardynal, E. Yohannes
2008126 citations
Semantic Scholar
pH-Dependent Catabolic Protein Expression during Anaerobic Growth of Escherichia coli K-12
E. Yohannes, D. M. Barnhart, J. Slonczewski
2004Journal of Bacteriology93 citations Open access
Semantic Scholar
Advantages of using fecal samples for stable isotope analysis in bats: evidence from a triple isotopic experiment.
Ioanna Salvarina, E. Yohannes, B. Siemers, K. Koselj
2013Rapid Communications in Mass Spectrometry63 citations Open access
Semantic Scholar
Migration speeds among eleven species of long-distance migrating passerines across Europe, the desert and eastern Africa
E. Yohannes, H. Biebach, G. Nikolaus, D. Pearson
200956 citations Open access
Semantic Scholar
Polyamine stress at high pH in Escherichia coli K-12
E. Yohannes, Amy E. Thurber, Jessica C. Wilks, Daniel P Tate +1 more
2005BMC Microbiology54 citations Open access
Semantic Scholar
Feather stable-isotope profiles reveal stopover habitat selection and site fidelity in nine migratory species moving through sub-Saharan Africa
E. Yohannes, K. Hobson, D. Pearson
200751 citations
Semantic Scholar
Prevalence of malaria and related haemosporidian parasites in two shorebird species with different winter habitat distribution
E. Yohannes, Asta Križanauskienė, M. Valcu, S. Bensch +1 more
2008Journal of Ornithology43 citations Open access
Semantic Scholar
Tracking Diet Preferences of Bats Using Stable Isotope and Fatty Acid Signatures of Faeces
Monika M. Lam, D. Martin-Creuzburg, Karl-Otto Rothhaupt, K. Safi +2 more
2013PLoS ONE40 citations Open access
Semantic Scholar
Passerine migration strategies and body mass variation along geographic sectors across East Africa, the Middle East and the Arabian Peninsula
E. Yohannes, H. Biebach, G. Nikolaus, D. Pearson
2009Journal of Ornithology40 citations Open access
Semantic Scholar
Stable isotope analyses of feathers help identify autumn stopover sites of three long-distance migrants in northeastern Africa
E. Yohannes, K. Hobson, D. Pearson, L. Wassenaar
200540 citations
Semantic Scholar
Isotope signatures in winter moulted feathers predict malaria prevalence in a breeding avian host
E. Yohannes, B. Hansson, Raymond W. Lee, J. Waldenström +4 more
2008Oecologia39 citations Open access
Semantic Scholar
Rapid niche expansion by selection on functional genomic variation after ecosystem recovery
A. Jacobs, Madeleine Carruthers, R. Eckmann, E. Yohannes +3 more
2018Nature Ecology & Evolution38 citations Open access
Semantic Scholar
Tracking Post-Hibernation Behavior and Early Migration Does Not Reveal the Expected Sex-Differences in a “Female-Migrating” Bat
D. Dechmann, M. Wikelski, Katarina Varga, E. Yohannes +4 more
2014PLoS ONE38 citations Open access
Semantic Scholar
Avian claw morphometry and growth determine the temporal pattern of archived stable isotopes
S. Hahn, D. Dimitrov, Saskia Rehse, E. Yohannes +1 more
201437 citations
Semantic Scholar
Across a migratory divide: divergent migration directions and non-breeding grounds of Eurasian reed warblers revealed by geolocators and stable isotopes
Petr Procházka, Vojtěch Brlík, E. Yohannes, Bert Meister +3 more
2018Journal of Avian Biology31 citations
Semantic Scholar
Resource use for reproduction depends on spring arrival time and wintering area in an arctic breeding shorebird
E. Yohannes, M. Valcu, Raymond W. Lee, B. Kempenaers
201027 citations Open access
Semantic Scholar
Establishing elemental turnover in exercising birds using a wind tunnel : implications for stable isotope tracking of migrants
K. Hobson, E. Yohannes
200727 citations
Semantic Scholar
Rapid adaptation through genomic and epigenomic responses following translocations in an endangered salmonid
M. Crotti, E. Yohannes, I. Winfield, A. Lyle +2 more
2021Evolutionary Applications23 citations Open access
Semantic Scholar
Niche differentiation between sympatric alien aquatic crustaceans: An isotopic evidence
Karl-Otto Rothhaupt, A. Hanselmann, E. Yohannes
201422 citations Open access
Semantic Scholar
Parallel and non-parallel changes of the gut microbiota during trophic diversification in repeated young adaptive radiations of sympatric cichlid fish
A. Härer, J. Torres-Dowdall, Sina J. Rometsch, E. Yohannes +2 more
2019Microbiome21 citations Open access
Semantic Scholar
Feeding habits of culicine mosquitoes in the Cameroon lowland forests based on stable isotopes and blood meal analyses
K. Njabo, T. Smith, E. Yohannes
201320 citations
Semantic Scholar
Animal tracing with sulfur isotopes: Spatial segregation and climate variability in Africa likely contribute to population trends of a migratory songbird.
Vojtěch Brlík, Petr Procházka, B. Hansson, C. Stricker +3 more
2022Journal of Animal Ecology19 citations
Semantic Scholar
Calanoid copepod grazing affects plankton size structure and composition in a deep, large lake
A. Kunzmann, Harald Ehret, E. Yohannes, D. Straile +1 more
2019Journal of Plankton Research19 citations
Semantic Scholar
Philopatry of winter moult area in migratory Great Reed Warblers Acrocephalus arundinaceus demonstrated by stable isotope profiles
E. Yohannes, S. Bensch, Raymond W. Lee
2008Journal of Ornithology17 citations Open access
Semantic Scholar
The Effect of Parasite Infection on Stable Isotope Turnover Rates of δ15N, δ13C and δ34S in Multiple Tissues of Eurasian Perch Perca fluviatilis
E. Yohannes, C. Grimm, Karl-Otto Rothhaupt, J. Behrmann-Godel
2017PLoS ONE15 citations Open access
Semantic Scholar
Tracking variations in wetland use by breeding flamingos using stable isotope signatures of feather and blood
E. Yohannes, Antoine Arnaud, A. Béchet
201415 citations Open access
Semantic Scholar
Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets
Petr Procházka, J. Reif, D. Hořák, P. Klvaňa +2 more
201015 citations Open access
Semantic Scholar
Stable isotope ratios in winter-grown feathers of Great Reed Warblers Acrocephalus arundinaceus, Clamorous Reed Warblers A. stentoreus and their hybrids in a sympatric breeding population in Kazakhstan
E. Yohannes, Raymond W. Lee, M. Jochimsen, B. Hansson
201114 citations Open access
Semantic Scholar
Isotopic evidence for dietary niche overlap between barking deer and four-horned antelope in Nepal
K. Pokharel, E. Yohannes, Ioanna Salvarina, I. Storch
2015Journal of Biological Research - Thessaloniki13 citations Open access
Semantic Scholar
Mitochondrial PEP Carboxylase contributes to carbon fixation in the diatom Phaeodactylum tricornutum at low inorganic carbon concentrations.
Guilan Yu, Kensuke Nakajima, Ansgar Gruber, Carolina Rio Bartulos +5 more
2022New Phytologist10 citations Open access
Semantic Scholar
Population-specific assessment of carry-over effects across the range of a migratory songbird
Vojtěch Brlík, Gintaras Malmiga, D. Dimitrov, Tamara Emmenegger +8 more
2020Behavioral Ecology and Sociobiology10 citations
Semantic Scholar
Compound-specific δ(13)C analyses reveal sterol metabolic constraints in an aquatic invertebrate.
R. Gergs, Nicole Steinberger, B. Beck, Timo Basen +3 more
2015Rapid Communications in Mass Spectrometry10 citations Open access
Semantic Scholar
Stable isotope values and trophic analysis of invasive three-spined stickleback in Upper Lake Constance points to significant piscivory
S. Gugele, J. Baer, C. Spiessl, E. Yohannes +4 more
2023NeoBiota9 citations Open access
Semantic Scholar
Mitochondrial phosphoenolpyruvate carboxylase contributes to carbon ﬁxation in the diatom Phaeodactylum tricornutum at low inorganic carbon concentrations
Guilan Yu, Kensuke Nakajima, Ansgar Gruber, C. R. Bartulos +5 more
20229 citations
Semantic Scholar
Seasonal rainfall at long-term migratory staging sites is associated with altered carry-over effects in a Palearctic-African migratory bird
Marjorie C. Sorensen, Graham D. Fairhurst, S. Jenni-Eiermann, J. Newton +2 more
2016BMC Ecology9 citations Open access
Semantic Scholar
ASSESSMENT OF THE PRESENT DISTRIBUTION OF THE FOREST HOG (Hylochoerus meinertzhageni) IN ETHIOPIA
J. d’Huart, E. Yohannes
20147 citations
Semantic Scholar
Nest Composition and Yolk Hormones: Do Female European Starlings Adjust Yolk Androgens to Nest Quality?
H. Gwinner, E. Yohannes, H. Schwabl
20137 citations Open access
Semantic Scholar
Toxicity and Starvation Induce Major Trophic Isotope Variation in Daphnia Individuals: A Diet Switch Experiment Using Eight Phytoplankton Species of Differing Nutritional Quality
Michelle Helmer, Desiree Helmer, D. Martin-Creuzburg, Karl-Otto Rothhaupt +1 more
2022Biology6 citations Open access
Semantic Scholar
Seasonality at the equator: isotope signatures and hormonal correlates of molt phenology in a non-migratory Amazonian songbird
R. Quispe, E. Yohannes, M. Gahr
2018Frontiers in Zoology6 citations Open access
Semantic Scholar
Zebra mussel δ13C and δ15N as a proxy for depth-specific pelagic isotope profiles and lake temperature
E. Yohannes, Lea Franke, Karl-Otto Rothhaupt
2014Hydrobiologia6 citations Open access
Semantic Scholar
Bone collagen and muscle δ13C in relation to the timing of the migration of Garden Warblers Sylvia borin during return migration from Africa
E. Yohannes, Raymond W. Lee, V. Popenko, Ulf Bauchinger
2012Journal of Ornithology6 citations Open access
Semantic Scholar
Does avian malaria infection affect feather stable isotope signatures?
E. Yohannes, V. Palinauskas, G. Valkiūnas, Raymond W. Lee +2 more
2011Oecologia6 citations Open access
Semantic Scholar
Physical attachment of the invasive zebra mussel Dreissena polymorpha to the invasive gammarid Dikerogammarus villosus: supplementary path for invasion and expansion?
E. Yohannes, R. B. Ragg, J. P. Armbruster, Karl-Otto Rothhaupt
20175 citations
Semantic Scholar
Foraging niche shift maintains breeding parameters of a colonial waterbird during range expansion
Charlotte Francesiaz, E. Yohannes, A. Besnard, N. Sadoul +2 more
2020Ecology and Evolution4 citations Open access
Semantic Scholar
A multi-isotope and morphometric analysis to uncover ecological niche divergence in two endemic island birds from Madagascar: the Dark and Common Newtonia (Vangidae)
E. Yohannes, Friederike Woog
2019Journal of Ornithology4 citations Open access
Semantic Scholar
Induced responses to grazing by an insect herbivore (Acentria ephemerella) in an immature macrophyte (Myriophyllum spicatum): an isotopic study
Karl-Otto Rothhaupt, F. Fornoff, E. Yohannes
2015Ecology and Evolution4 citations Open access
Semantic Scholar
Moulting and Wintering Grounds of Marsh Warblers Acrocephalus palustris: Evidence from Stable Isotopes and Ring Recoveries
Petr Procházka, J. Kralj, D. Pearson, E. Yohannes
20144 citations
Semantic Scholar
Stable isotopes of soil collected from feet of two species of migratory Acrocephalus give clues to stopover sites
E. Yohannes, G. Nikolaus, D. Pearson
20124 citations
Semantic Scholar

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