Találati lista | Tudóstér

001-es BibID:	BIBFORM125207
035-os BibID:	(Scopus)85207857370 (WoS)001343699800030
Első szerző:	Magura Tibor (ökológus)
Cím:	Urbanization impoverishes taxonomic but not functional diversity of the gut microbiota in a forest specialist ground beetle, Carabus convexus / Tibor Magura, Tibor, Szabolcs Mizser, Roland Horváth, Mária Tóth,Gábor L. Lövei
Dátum:	2024
ISSN:	2045-2322
Megjegyzések:	Symbiotic microorganisms living in the digestive tracts of invertebrates can be crucial in host-symbiont interactions, as they play fundamental roles in important biological processes. Urbanization-related habitat alteration and disturbance, however, considerably affect the environment of host insects, from which their gut microbiota is derived. Still, relatively few studies, all on flying insects, have assessed the impact of urbanization on the gut microbiota of insects. Here, we compared the gut bacterial microbiota in rural and urban individuals of a flightless ground beetle, Carabus convexus, using next generation sequencing. Across the 48 gut samples we identified 1163 different bacterial operational taxonomic units (OTUs), forming significantly different gut bacterial communities in rural versus urban beetles. The taxonomic diversity of the gut bacterial microbiota expressed by the Hill numbers was significantly higher in rural than urban individuals, as well as in rural males vs. females. Smaller differences were found in functional diversity, assessed by the Rao's quadratic entropy which was marginally significantly higher in urban than rural beetles.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk carabid digestive tracts disturbance microbiome next generation sequencing symbionts
Megjelenés:	Scientific Reports. - 14 : 1 (2024), p. 1-11. -
További szerzők:	Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Tóth Mária (1985-) (biológus) Lövei Gábor L. (1954-) (Ökológus)
Pályázati támogatás:	K-131459 OTKA K-146628 OTKA
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon:

001-es BibID:	BIBFORM123324
035-os BibID:	(Scopus)85202641647 (WoS)001306727500001
Első szerző:	Magura Tibor (ökológus)
Cím:	Gut Bacterial Communities in the Ground Beetle Carabus convexus / Tibor Magura, Szabolcs Mizser, Roland Horváth, Mária Tóth, Ferenc Sándor Kozma, János Kádas, Gábor L. Lövei
Dátum:	2024
ISSN:	2075-4450
Megjegyzések:	Biological interactions, including symbiotic ones, have vital roles in ecological and evolutionary processes. Microbial symbionts in the intestinal tracts, known as the gut microbiome, are especially important because they can fundamentally influence the life history, fitness, and competitiveness of their hosts. Studies on the gut-resident microorganisms of wild animals focus mainly on vertebrates, and studies on species-rich invertebrate taxa, such as ground beetles, are sparse. In fact, even among the species-rich genus Carabus, only the gut microbiome of two Asian species was studied, while results on European species are completely missing. Here, we investigated the gut bacterial microbiome of a widespread European Carabus species, targeting the V3 and V4 regions of the 16S ribosomal RNA genes by next-generation high-throughput sequencing. We identified 1138 different operational taxonomic units assigned to 21 bacterial phyla, 90 families, and 197 genera. Members of the carbohydrate-degrading Prevotellaceae family, previously not detected in ground beetles, were the most abundant in the gut microbiome of the carnivorous C. convexus. Presumably, individuals from the studied wild populations also consume plant materials, especially fruits, and these carbohydrate-degrading bacterial symbionts can facilitate both the consumption and the digestion of these supplementary foods.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk carabid digestive tract intestinal tract microbiome microorganisms mutualism operational taxonomic units predators symbionts
Megjelenés:	Insects. - 15 : 8 (2024), p. 1-13. -
További szerzők:	Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Tóth Mária (1985-) (biológus) Kozma Ferenc Sándor Kádas János (1976-) (molekuláris biológus, biokémikus, kertészmérnök) Lövei Gábor L. (1954-) (Ökológus)
Pályázati támogatás:	K-131459 OTKA K-146628 OTKA
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon:

001-es BibID:	BIBFORM117897
035-os BibID:	(Scopus)85182225631 (WoS)001141770200001
Első szerző:	Magura Tibor (ökológus)
Cím:	Urbanization reduces gut bacterial microbiome diversity in a specialist ground beetle, Carabus convexus / Tibor Magura, Szabolcs Mizser, Roland Horváth, Mária Tóth, István Likó, Gábor Lövei
Dátum:	2024
ISSN:	0962-1083
Megjegyzések:	Urbanization is rapidly shaping and transforming natural environments, creating networks of modified land types. These urbanization-driven modifications lead to local extinctions of several species, but the surviving ones also face numerous novel selection pressures, including exposure to pollutants, habitat alteration, and shifts in food availability and diversity. Based on the assumption that the environmental pool of microorganisms is reduced in urban habitats due to habitat alteration, biodiversity loss, and pollution, we hypothesized that the diversity of bacterial microbiome in digestive tracts of arthropods would be lower in urban than rural habitats. Investigating the gut bacterial communities of a specialist ground beetle, Carabus convexus, in forested rural versus urban habitats by next generation high-throughput sequencing of the bacterial 16S rRNA gene, we identified 3839 bacterial amplicon sequence variants. The composition of gut bacterial samples did not significantly differ by habitat (rural vs. urban), sex (female vs. male), sampling date (early vs. late spring), or their interaction. The microbiome diversity (evaluated by the Rényi diversity function), however, was higher in rural than urban adults. Our findings demonstrate that urbanization significantly reduced the diversity of the gut bacterial microbiome in C. convexus.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk carabid habitat alteration microorganisms next generation sequencing rural urban
Megjelenés:	Molecular Ecology. - 33 : 4 (2024), p. -
További szerzők:	Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Tóth Mária (1985-) (biológus) Likó István Lövei Gábor L. (1954-) (Ökológus)
Pályázati támogatás:	K-131459 Egyéb K-146628 Egyéb
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon:

001-es BibID:	BIBFORM103391
035-os BibID:	(WoS)000845623800001 (Scopus)85137605742
Első szerző:	Magura Tibor (ökológus)
Cím:	Urban individuals of three rove beetle species are not more exploratory or risk-taking than rural conspecifics / Tibor Magura, Roland Horváth, Szabolcs Mizser, Mária Tóth, Dávid D. Nagy, Réka Csicsek, Emőke Balla, Gábor L. Lövei
Dátum:	2022
ISSN:	2075-4450
Megjegyzések:	Urbanization is creating changes in environmental and habitat conditions, as well as creating disturbance and threats to urban-associated species. Some traits, such as high exploratory and risk-taking behavior, are beneficial to allow colonization of urban habitats and coping with urbanization-derived pressures. In this study the exploratory and risk-taking behavior of rural and urban individuals of three forest-associated rove beetle species were tested during their main reproductive period by five frequently used behavioral measures. Individuals of all studied species were similarly ranked by all behavioral measures, indicating that the studied rove beetles responded consistently in the different contexts. However, the behavior of beetles was consistent over time for all/most studied species only by using two measures of exploratory behavior. These provide evidence for the existence of the exploratory dimension of personality in rove beetles. We found a higher exploratory behavior in males than females in Ocypus nitens which can be explained by the active searching of males for mating partners. There were no urbanization-related differences in the exploratory behavior of individuals, suggesting that behavioral changes (being more exploratory) may not yield additional fitness benefits in these rove beetle species with good dispersal capacity.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk staphylinids urbanization exploratory behavior risk-taking behavior human disturbance
Megjelenés:	Insects. - 13 : 8 (2022), p. 1-13. -
További szerzők:	Horváth Roland (1974-) (biológus-ökológus) Mizser Szabolcs (1977-) (biológus-ökológus) Tóth Mária (1985-) (biológus) Nagy Dávid (1986-) (biológus-ökológus) Csicsek Réka (1994-) Balla Emőke Lövei Gábor L. (1954-) (Ökológus)
Pályázati támogatás:	K-131459 OTKA
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon: