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1.

001-es BibID:BIBFORM028112
Első szerző:Anderson, Michael G.
Cím:Egg Eviction Imposes a Recoverable Cost of Virulence in Chicks of a Brood Parasite / Michael G. Anderson, Csaba Moskát, Miklós Bán, Tomáš Grim, Phillip Cassey, Mark E. Hauber
Dátum:2009
ISSN:1932-6203
Megjegyzések:Background: Chicks of virulent brood parasitic birds eliminate their nestmates and avoid costly competition for foster parental care. Yet, efforts to evict nest contents by the blind and naked common cuckoo Cuculus canorus hatchling are counterintuitive as both adult parasites and large older cuckoo chicks appear to be better suited to tossing the eggs and young of the foster parents. Methodology/Principal Findings: Here we show experimentally that egg tossing imposed a recoverable growth cost of mass gain in common cuckoo chicks during the nestling period in nests of great reed warbler Acrocephalus arundinaceus hosts. Growth rates of skeletal traits and morphological variables involved in the solicitation of foster parental care remained similar between evictor and non-evictor chicks throughout development. We also detected no increase in predation rates for evicting nests, suggesting that egg tossing behavior by common cuckoo hatchlings does not increase the conspicuousness of nests. Conclusion: The temporary growth cost of egg eviction by common cuckoo hatchlings is the result of constraints imposed by rejecter host adults and competitive nestmates on the timing and mechanism of parasite virulence.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Plos One. - 4 : 11 (2009), p. 1-7. -
További szerzők:Moskát Csaba Bán Miklós (1975-) (biológus) Grim, Tomáš Cassey, Phillip Hauber, Mark E.
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2.

001-es BibID:BIBFORM059185
Első szerző:Bánszegi Oxána
Cím:New Method for Automatic Body Length Measurement of the Collembolan, Folsomia candida Willem 1902 (Insecta: Collembola) / Oxána Bánszegi, András Kosztolányi, Gábor Bakonyi, Borbála Szabó, Miklós Dombos
Dátum:2014
ISSN:1932-6203
Megjegyzések:The collembolan, Folsomia candida, is widely used in soil ecotoxicology. In recent years, growth rate of collembolans has become as frequently used endpoint as reproduction rate in ecotoxicological studies. However, measuring collembolan body sizes to estimate growth rate is a complicated and time-consuming task. Here we present a new image analysis method, which facilitates and accelerates the body length measurement of the collembolan Folsomia candida. The new software package, called CollScope, consists of three elements: 1) an imaging device; 2) photographing software; 3) an ImageJ macro for image processing, measurement and data analysis. We give a complete description of the operation of the software, the image analyzing process and describe its accuracy and reliability. The software with a detailed usage manual is attached as Supplementary Material. We report a case study to demonstrate that the automated measurement of collembolan body sizes is highly correlated with the traditional manual measurements (estimated measuring accuracy 0.05 mm). Furthermore, we performed a dose-response ecotoxicity test using cadmium-sulfate by using CollScope as well as classical methods for size measurement. Size data measured by CollScope or manually did not differ significantly. Furthermore the new software package decreased time consumption of the measurements to 42% when tested on 35 animals. Consequently, methodological investigations performed in this study should be regarded as a recommendation for any other routine dose-response study where body growth is an endpoint.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
image analysis
Candida
imaging techniques
computer software
data processing
imaging equipment
image processing
soil chemistry
Megjelenés:Plos One. - 9 : 6 (2014), p. e98230-. -
További szerzők:Kosztolányi András (1971-) (biológus) Bakondi Gábor (1980-) (élettanász) Szabó Borbála Dombos Miklós Kosztolányi András (1971-) (biológus)
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Intézményi repozitóriumban (DEA) tárolt változat
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3.

001-es BibID:BIBFORM105261
035-os BibID:(cikkazonosító)e0270618 (WoS)000924686200005 (Scopus)85140818507
Első szerző:Barta Zoltán (biológus, zoológus)
Cím:Publication games: In the web of reciprocity / Zoltán Barta
Dátum:2022
ISSN:1932-6203
Megjegyzések:The present processes of research assessment, i.e. focusing on one or a few, related, scientometrics, foster questionable authorship practices, like gifting authorship to non-contributing people. An especially harmful one of these unethical practices is the formation of publication cartels, where authors offer gift authorship to each other reciprocally. Here, by developing a simple model and a simulation of the publication process I investigate how beneficial cartels can be and what measure can be used to restrict them. My results indicate that publication cartels can significantly boost members' productivity even if paper counts are weighted by the inverse of author number (the 1/n rule). Nevertheless, applying the 1/n rule generates conflicts of interest both among cartel members themselves and between cartel members and non-members which might lead to the self-purification of the academic publishing industry.
Tárgyszavak:Társadalomtudományok Szociológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Plos One. - 17 : 10 (2022), p. 1-14. -
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4.

001-es BibID:BIBFORM059089
Első szerző:Konok Veronika
Cím:Influence of Owners' Attachment Style and Personality on Their Dogs' (Canis familiaris) Separation-Related Disorder / Veronika Konok, András Kosztolányi, Wohlfarth Rainer, Bettina Mutschler, Ulrike Halsband, Ádám Miklósi
Dátum:2015
ISSN:1932-6203
Megjegyzések:Previous research has suggested that owners' attitude to their family dogs may contribute to a variety of behaviour problems in the dog, and authors assume that dogs with separation-related disorder (SRD) attach differently to the owner than typical dogs do. Our previous research suggested that these dogs may have an insecure attachment style. In the present study we have investigated whether owners' attachment style, personality traits and the personality of the dog influence the occurrence of SRD in the dog. In an internet-based survey 1508 (1185 German and 323 Hungarian) dog-owners filled in five questionnaires: Demographic questions, Separation Behaviour Questionnaire (to determine SRD), Human and Dog Big Five Inventory and Adult Attachment Scale. We found that with owners' higher score on attachment avoidance the occurrence of SRD in the dog increases. Dogs scoring higher on the neuroticism scale were more prone to develop SRD. Our results suggest that owners' attachment avoidance may facilitate the development of SRD in dogs. We assume that avoidant owners are less responsive to the dog's needs and do not provide a secure base for the dog when needed. As a result dogs form an insecure attachment and may develop SRD. However, there may be alternative explanations of our findings that we also discuss.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Dogs
personality traits
personality
Animal Behaviour
Behaviour
Personality differences
Megjelenés:Plos One. - 10 : 2 (2015), p. e0118375-. -
További szerzők:Kosztolányi András (1971-) (biológus) Rainer, Wohlfarth Mutschler, Bettina Halsband, Ulrike Miklósi Ádám
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Intézményi repozitóriumban (DEA) tárolt változat
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5.

001-es BibID:BIBFORM059184
Első szerző:László Zoltán (biokémikus, molekuláris biológus)
Cím:Predation on Rose Galls : Parasitoids and Predators Determine Gall Size through Directional Selection / Zoltán László, Katalin Sólyom, Hunor Prázsmári, Zoltán Barta, Béla Tóthmérész
Dátum:2014
ISSN:1932-6203
Megjegyzések:Both predators and parasitoids can have significant effects on species' life history traits, such as longevity or clutch size. In the case of gall inducers, sporadically there is evidence to suggest that both vertebrate predation and insect parasitoid attack may shape the optimal gall size. While the effects of parasitoids have been studied in detail, the influence of vertebrate predation is less well-investigated. To better understand this aspect of gall size evolution, we studied vertebrate predation on galls of Diplolepis rosae on rose (Rosa canina) shrubs. We measured predation frequency, predation incidence, and predation rate in a large-scale observational field study, as well as an experimental field study. Our combined results suggest that, similarly to parasitoids, vertebrate predation makes a considerable contribution to mortality of gall inducer larvae. On the other hand, its influence on gall size is in direct contrast to the effect of parasitoids, as frequency of vertebrate predation increases with gall size. This suggests that the balance between predation and parasitoid attack shapes the optimal size of D. rosae galls.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
BINOMINALS
BIRDS
FORESTS
PREDATION
INSECTS
PARASITISM
SHRUBS
VERTEBRATES
Megjelenés:Plos One. - 9 : 6 (2014), p. e99806-. -
További szerzők:Sólyom Katalin Prázsmári Hunor Barta Zoltán (1967-) (biológus, zoológus) Tóthmérész Béla (1960-) (ökológus)
Pályázati támogatás:K75696
OTKA
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Intézményi repozitóriumban (DEA) tárolt változat
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6.

001-es BibID:BIBFORM108001
035-os BibID:(cikkazonosító)e110564 (WOS)000345250400010 (Scopus)84911480326
Első szerző:Lendvai Ádám Zoltán (biológus)
Cím:Experimental Food Restriction Reveals Individual Differences in Corticosterone Reaction Norms with No Oxidative Costs / Ádám Z. Lendvai, Jenny Q. Ouyang, Laura A. Schoenle, Vincent Fasanello, Mark F. Haussmann, Frances Bonier, Ignacio T. Moore
Dátum:2014
ISSN:1932-6203
Megjegyzések:Highly plastic endocrine traits are thought to play a central role in allowing organisms to respond rapidly to environmental change. Yet, not all individuals display the same degree of plasticity in these traits, and the costs of this individual variation in plasticity are unknown. We studied individual differences in corticosterone levels under varying conditions to test whether there are consistent individual differences in (1) baseline corticosterone levels; (2) plasticity in the hormonal response to an ecologically relevant stressor (food restriction); and (3) whether individual differences in plasticity are related to fitness costs, as estimated by oxidative stress levels. We took 25 wild-caught house sparrows into captivity and assigned them to repeated food restricted and control treatments (60% and 110% of their daily food intake), such that each individual experienced both food restricted and control diets twice. We found significant individual variation in baseline corticosterone levels and stress responsiveness, even after controlling for changes in body mass. However, these individual differences in hormonal responsiveness were not related to measures of oxidative stress. These results have implications for how corticosterone levels may evolve in natural populations and raise questions about what we can conclude from phenotypic correlations between hormone levels and fitness measures.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
Megjelenés:Plos One. - 9 : 11 (2014), p. 1-10. -
További szerzők:Ouyang, Jenny Q. Schoenle, Laura A. Fasanello, Vincent J. Haussmann, Mark F. Bonier, Frances Moore, Ignacio T.
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Intézményi repozitóriumban (DEA) tárolt változat
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7.

001-es BibID:BIBFORM107996
035-os BibID:(cikkazonosító)e0141194 (Wos)000364433100024 (Scopus)84955440104
Első szerző:Lendvai Ádám Zoltán (biológus)
Cím:Analysis of the Optimal Duration of Behavioral Observations Based on an Automated Continuous Monitoring System in Tree Swallows (Tachycineta bicolor): Is One Hour Good Enough? / Ádám Z. Lendvai, Çağlar Akçay, Jenny Q. Ouyang, Roslyn Dakin, Alice D. Domalik, Prianka S. St John, Mark Stanback, Ignacio T. Moore1, Frances Bonier
Dátum:2015
ISSN:1932-6203
Megjegyzések:Studies of animal behavior often rely on human observation, which introduces a number of limitations on sampling. Recent developments in automated logging of behaviors make it possible to circumvent some of these problems. Once verified for efficacy and accuracy, these automated systems can be used to determine optimal sampling regimes for behavioral studies. Here, we used a radio-frequency identification (RFID) system to quantify parental effort in a bi-parental songbird species: the tree swallow (Tachycineta bicolor). We found that the accuracy of the RFID monitoring system was similar to that of video-recorded behavioral observations for quantifying parental visits. Using RFID monitoring, we also quantified the optimum duration of sampling periods for male and female parental effort by looking at the relationship between nest visit rates estimated from sampling periods with different durations and the total visit numbers for the day. The optimum sampling duration (the shortest observation time that explained the most variation in total daily visits per unit time) was 1h for both sexes. These results show that RFID and other automated technologies can be used to quantify behavior when human observation is constrained, and the information from these monitoring technologies can be useful for evaluating the efficacy of human observation methods.
Tárgyszavak:Természettudományok Biológiai tudományok esettanulmány
folyóiratcikk
Megjelenés:Plos One. - 10 : 11 (2015), p. 1-11. -
További szerzők:Akcay, Caglar Ouyang, Jenny Q. Dakin, Roslyn Domalik, Alice D. St John, Prianka S. Stanback, Mark Moore, Ignacio T. Bonier, Frances
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8.

001-es BibID:BIBFORM067078
Első szerző:Martin-Silverstone, Elizabeth
Cím:Exploring the relationship between skeletal mass and total body mass in birds / Elizabeth Martin-Silverstone, Orsolya Vincze, Ria McCann, Carl H. W. Jonsson, Colin Palmer, Gary Kaiser, Gareth Dyke
Dátum:2015
ISSN:1932-6203
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Plos One. - 10 : 10 (2015), p. e0141794-1-e0141794-11. -
További szerzők:Vincze Orsolya (1988-) (biológus) McCann, Ria Jonsson, Carl H. W. Palmer, Colin Kaiser, Gary Dyke, Gareth J.
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Intézményi repozitóriumban (DEA) tárolt változat
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9.

001-es BibID:BIBFORM067081
035-os BibID:(cikkazonosító)e0130844
Első szerző:Pap Péter László (ökológus)
Cím:Sexual dimorphism and population differences in structural properties of barn swallow (Hirundo rustica) wing and tail feathers / Péter L. Pap, Gergely Osváth, José Miguel Aparicio, Lőrinc Bărbos, Piotr Matyjasiak, Diego Rubolini, Nicola Saino, Csongor I. Vágási, Orsolya Vincze, Anders Pape Møller
Dátum:2015
ISSN:1932-6203
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Plos One. - 10 : 6 (2015), p. 1-17. -
További szerzők:Osváth Gergely (1985-) (biológus) Aparicio, José Miguel Bărbos Lőrinc Matyjasiak, Piotr Rubolini, Diego Saino, Nicola Vágási Csongor István Vincze Orsolya (1988-) (biológus) Møller, Anders P.
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Intézményi repozitóriumban (DEA) tárolt változat
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10.

001-es BibID:BIBFORM104050
035-os BibID:(cikkazonosító)e0209737 (WoS)000454952800025 (Scopus)85059455395
Első szerző:Szép Tibor
Cím:Older birds have better feathers: A longitudinal study on the long-distance migratory Sand Martin, Riparia riparia / Tibor Szép, János Dobránszky,Anders Pape Møller, Gareth Dyke, Ádám Z. Lendvai
Dátum:2019
ISSN:1932-6203
Megjegyzések:Feather quality is of critical importance to long-distance migratory birds. Here, we report a series of analyses of a unique data set encompassing known-age individuals of the long-distance migratory Sand Martin (Riparia riparia). Sampling over 17 years along the Tisza River, eastern Hungary, has resulted in the recapture of numerous individuals enabling longitudinal and cross-sectional investigation of the role of adaptation to variable environmental conditions on feather morphology. We show that older individuals tend to possess better quality feathers, measured using bending stiffness, feather length and thickness as proxies. Bending stiffness and feather thickness do not change with individual age, in contrast with increases in feather length and declines in daily feather growth versus age of individual alongside moult duration. Individuals who live to older ages tend to have similar, or higher, feather growth rates and better feather quality than individuals captured at younger ages. Thus, on the basis of strong selection against individuals with slow feather growth, as seen in other species of swallows and martins, which causes a delay in moult completion, the results of this analysis highlight the potential cost of producing better quality feathers when this depends on moult duration. Feather length also does change during the lifetime of the individual and thus enabled us to further investigate influence of individual and environmental conditions during the moult. The results of this analysis provide important insights on the adaptive significance of these traits, and the potential use of physical characteristics in unravelling the reasons why long distance migratory bird populations are in global decline.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Plos One. - 14 : 1 (2019), p. 1-14. -
További szerzők:Dobránszky János Møller, Anders P. Dyke, Gareth J. Lendvai Ádám Zoltán (1977-) (biológus)
Pályázati támogatás:OTKA K69068
OTKA
NKFI K 120348
Egyéb
OTKA-113108
OTKA
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Intézményi repozitóriumban (DEA) tárolt változat
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11.

001-es BibID:BIBFORM072322
035-os BibID:(cikkazonosító)e0192701 (WOS)000424814300039 (Scopus)85042120858
Első szerző:Vágási Csongor István
Cím:Experimental increase in baseline corticosterone level reduces oxidative damage and enhances innate immune response / Csongor I. Vágási, Laura Pătraș, Péter L. Pap, Orsolya Vincze, Cosmin Mureșan, József Németh, Ádám Z. Lendvai
Dátum:2018
ISSN:1932-6203
Megjegyzések:Glucocorticoid (GC) hormones are significant regulators of homeostasis. The physiological effects of GCs critically depend on the time of exposure (short vs. long) as well as on their circulating levels (baseline vs. stress-induced). Previous experiments, in which chronic and high elevation of GC levels was induced, indicate that GCs impair both the activity of the immune system and the oxidative balance. Nonetheless, our knowledge on how mildly elevated GC levels, a situation much more common in nature, might influence homeostasis is limited. Therefore, we studied whether an increase in GC level within the baseline range suppresses or enhances condition (body mass, hematocrit and coccidian infestation) and physiological state (humoral innate immune system activity and oxidative balance). We implanted captive house sparrows Passer domesticus with either 60 days release corticosterone (CORT) or control pellets. CORT-treated birds had elevated baseline CORT levels one week after the implantation, but following this CORT returned to its pre-treatment level and the experimental groups had similar CORT levels one and two months following the implantation. The mass of tail feathers grown during the initial phase of treatment was smaller in treated than in control birds. CORT implantation had a transient negative effect on body mass and hematocrit, but both of these traits resumed the pre-treatment values by one month post-treatment. CORT treatment lowered oxidative damage to lipids (malondialdehyde) and enhanced constitutive innate immunity at one week and one month post-implantation. Our findings suggest that a relatively short-term (i.e. few days) elevation of baseline CORT might have a positive and stimulatory effect on animal physiology.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
antioxidant
glucocorticoid
stress
condition
innate immunity
oxidative stress
Megjelenés:Plos One. - 13 : 2 (2018), p. 1-17. -
További szerzők:Pătraş, Laura Pap Péter László (ökológus) Vincze Orsolya (1988-) (biológus) Mureşan, Cosmin Németh József (1954-) (vegyész, analitikus) Lendvai Ádám Zoltán (1977-) (biológus)
Pályázati támogatás:EFOP-3.6.2-16-2017-00009
EFOP
OTKA K 113108
OTKA
EFOP-3.6.1-16-2016-00022
EFOP
PD-76862
OTKA
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
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12.

001-es BibID:BIBFORM042009
035-os BibID:(cikkazonosító)e40651
Első szerző:Vágási Csongor István
Cím:Haste makes waste but condition matters : Molt rate-feather quality trade-off in a sedentary songbird / Csongor I. Vágási, Péter L. Pap, Orsolya Vincze, Zoltán Benkő, Attila Marton, Zoltán Barta
Dátum:2012
ISSN:1932-6203
Megjegyzések:AbstractBackground: The trade-off between current and residual reproductive values is central to life history theory, although thepossible mechanisms underlying this trade-off are largely unknown. The ♭molt constraint' hypothesis suggests that molt andplumage functionality are compromised by the preceding breeding event, yet this candidate mechanism remainsinsufficiently explored.Methodology/Principal Findings: The seasonal change in photoperiod was manipulated to accelerate the molt rate. Thistreatment simulates the case of naturally late-breeding birds. House sparrows Passer domesticus experiencing acceleratedmolt developed shorter flight feathers with more fault bars and body feathers with supposedly lower insulation capacity (i.e.shorter, smaller, with a higher barbule density and fewer plumulaceous barbs). However, the wing, tail and primary featherlengths were shorter in fast-molting birds if they had an inferior body condition, which has been largely overlooked inprevious studies. The rachis width of flight feathers was not affected by the treatment, but it was still condition-dependent.Conclusions/Significance: This study shows that sedentary birds might face evolutionary costs because of the molt rate?feather quality conflict. This is the first study to experimentally demonstrate that (1) molt rate affects several aspects of bodyfeathers as well as flight feathers and (2) the costly effects of rapid molt are condition-specific. We conclude that molt rateand its association with feather quality might be a major mediator of life history trade-offs. Our findings also suggest a noveladvantage of early breeding, i.e. the facilitation of slower molt and the condition-dependent regulation of feather growth.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Élettudományok - Biológiai tudományok
Megjelenés:PLoS ONE. - 7 : 7 (2012), p. 1-9. -
További szerzők:Pap Péter László (ökológus) Vincze Orsolya (1988-) (biológus) Benkő Zoltán Marton Attila (1990-) (biológus) Barta Zoltán (1967-) (biológus, zoológus)
Pályázati támogatás:MTA-DE Lendület
MTA
Viselkedésökológiai Kutatócsoport
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Intézményi repozitóriumban (DEA) tárolt változat
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