14 Works

Learning can be detrimental for a parasitic wasp: R scripts and Telenomus podisi data

Jacques Brodeur, Valeria Bertoldi, Gabriele Rondoni, Eric Conti & Ezio Peri
Animals have evolved the capacity to learn, and the conventional view is that learning allows individuals to improve foraging decisions. We describe a first case of maladaptive learning where a parasitoid learns to associate chemical cues from an unsuitable host, thereby re-enforcing a reproductive cul-de-sac (evolutionary trap). Telenomus podisi parasitizes eggs of the exotic stink bug Halyomorpha halys at the same rate as eggs of its coevolved host, Podisus maculiventris, but the parasitoid cannot complete...

Mapping the geographic origin of captive and confiscated Hermann’s tortoises: a genetic toolkit for conservation and forensic analyses

Roberto Biello, Zampiglia Mauro, Corti Claudia, Deli Gianluca, Biaggini Marta, Crestanello Barbara, Delaugerre Michel, Di Tizio Luciano, Leonetti Francesco Luigi, Stefano Casari, Olivieri Oliviero, Pellegrino Francesco, Romano Antonio, Sperone Emilio, Hauffe Heidi Christine, Trabalza-Marinucci Massimo, Giorgio Bertorelle & Canestrelli Daniele
The illegal trade has been threatening tortoise populations worldwide for decades. Nowadays, however, DNA typing and forensic genetic approaches allow us to investigate the geographic origin of confiscated animals and to relocate them into the wild, providing that suitable molecular tools and reference data are available. Here we assess the suitability of a small panel of microsatellite markers to investigate patterns of illegal translocations and to assist forensic genetic applications in the endangered Mediterranean land...

Data from: Behavioural and physiological responses to prey-related cues reflect higher competitiveness of invasive vs. native ladybirds

Gabriele Rondoni, Fulvio Ielo, Carlo Ricci & Eric Conti
Understanding the traits that might be linked with biological invasions represents a great challenge for preventing non-target effects on local biodiversity. In predatory insects, the ability to exploit habitats for oviposition and the physiological response to prey availability differs between species. Those species that respond more readily to environmental changes may confer to their offspring a competitive advantage over other species. Here, we tested the hypothesis that the invasive Harmonia axyridis (Coleoptera: Coccinellidae) makes better...

Data from: The role of platelets in mediating a response to human influenza infection

Milka Koupenova, Heather A. Corkrey, Olga Vitseva, Giorgia Manni, Catherine J. Pang, Lauren Clancy, Chen Yao, Jeffrey Rade, Daniel Levy, Jennifer P. Wang, Robert W. Finberg, Evelyn A. Kurt-Jones & Jane E. Freedman
Influenza infection increases the incidence of myocardial infarction but the reason is unknown. Platelets mediate vascular occlusion through thrombotic functions but are also recognized to have immunomodulatory activity. To determine if platelet processes are activated during influenza infection, we collected blood from 18 patients with acute influenza infection. Microscopy reveals activated platelets, many containing viral particles and extracellular- DNA associated with platelets. To understand the mechanism, we isolated human platelets and treated them with influenza...

Data from: Factors influencing clinical trial site selection in Europe: the survey of attitudes towards trial sites in Europe (the SAT-EU StudyTM)

Marta Gehring, Rod S. Taylor, Marie Mellody, Brigitte Casteels, Angela Piazzi, Gianfranco Gensini & Giuseppe Ambrosio
Objectives: Applications to run clinical trials in Europe fell 25% between 2007 and 2011. Costs, speed of approvals, and shortcomings of European Clinical Trial Directive are commonly invoked to explain this unsatisfactory performance. However, no hard evidence is available on the actual weight of these factors, nor has it been previously investigated whether other criteria may also impact clinical trial site selection. Design: The SAT-EU StudyTM was an anonymous, cross-sectional Web-based survey that systematically assessed...

Data from: Spatial heterogeneity in the Mediterranean Biodiversity Hotspot affects barcoding accuracy of its freshwater fishes

Matthias F. Geiger, Fabian Herder, Michael T. Monaghan, Vitor Almada, Roberta Barbieri, Michel Bariche, Patrick Berrebi, Jörg Bohlen, Miriam Casal-Lopez, Gaël P. J. Denys, Agnès Dettai, Ignacio Doadrio, Elena Kalogianni, Heiko Kärst, Maurice Kottelat, Marcelo Kovačić, Martin Laporte, Massimo Lorenzoni, Zoran Marčić, Müfit Özuluğ, Anabel Perdices, Silvia Perea, Henri Persat, Stefano Porcellotti, Cesare Puzzi … & G. B. Delmastro
Incomplete knowledge of biodiversity remains a stumbling block for conservation planning, and even occurs within globally important Biodiversity Hotspots. Although technical advances have boosted the power of molecular biodiversity assessments, the link between DNA sequences and species and the analytics to discriminate entities, remain crucial. Here, we present an analysis of the first DNA barcode library for the freshwater fish fauna of the Mediterranean Biodiversity Hotspot (526 spp.), with virtually complete species coverage (498 spp.,...

Data from: Integrative taxonomy at work: DNA barcoding of taeniids harbored by wild and domestic cats

Andrea Galimberti, Daniele F. Romano, Marco Genchi, Daniele Paoloni, Francesca Vercillo, Lolita Bizzarri, Davide Sassera, Claudio Bandi, Claudio Genchi, Bernardino Ragni & Maurizio Casiraghi
In modern taxonomy, DNA barcoding is particularly useful where biometric parameters are difficult to determine or useless due to the poor quality of samples. These situations are frequent in parasitology. Here we present an integrated study, based on both DNA barcoding and morphological analysis, on cestodes belonging to the genus Taenia, for which biodiversity is still largely underestimated. In particular, we characterized cestodes from Italian wildcats (Felis silvestris silvestris), free-ranging domestic cats (F. s. catus)...

Data from: Detecting the population dynamics of an autosomal sex-ratio distorter transgene in malaria vector mosquitoes

Paola Pollegioni, Ace North, Tania Persampieri, Alessandro Bucci, Roxana Minuz, David Alexander Groneberg, Tony Nolan, Philippos-Aris Papathanos, Andrea Crisanti & Ruth Muller
1. The development of genetically modified mosquitoes and their subsequent field release offers innovative and cost-effective approaches to reduce mosquito-borne diseases, such as malaria. A sex-distorting autosomal transgene has been developed recently in G3 mosquitoes, a lab strain of the malaria vector Anopheles gambiae s.l. The transgene expresses an endonuclease called I-PpoI during spermatogenesis, which selectively cleaves the X chromosome to result in ~95% male progeny. Following the World Health Organization Guidance Framework for the...

Effects of titanium dioxide nanoparticles on porcine pre-pubertal sertoli cells

Francesca Mancuso, Iva Arato, Alessandro Di Michele, Cinzia Antognelli, Luca Angelini, Catia Bellucci, Cinzia Lilli, Simona Boncompagni, Aurora Fusella, Desirèe Bartolini, Carla Russo, Massimo Moretti, Morena Nocchetti, Angela Gambelunghe, Giacomo Muzi, Tiziano Baroni, Stefano Giovagnoli & Giovanni Luca
This dataset contains data from an in vitro experiment described in the paper: “Mancuso F, Arato I, Di Michele A, Antognelli C, Angelini L, Bellucci C, Lilli C, Boncompagni S, Fusella A, Bartolini D, Russo C, Moretti M, Nocchetti M, Gambelunghe A, Muzi G, Baroni T, Giovagnoli S, Luca G. Effects of Titanium Dioxide Nanoparticles on Porcine Prepubertal Sertoli Cells: An "In Vitro" Study. Front Endocrinol (Lausanne). 2022 Jan 3;12:751915. doi: 10.3389/fendo.2021.751915. PMID: 35046890; PMCID:...

Data from: Intrinsic and extrinsic factors act at different spatial and temporal scales to shape population structure, distribution and speciation in Italian Barbus (Osteichthyes: Cyprinidae)

Luca Buornerba, Serena Zaccara, Giovanni B. Delmastro, Massimo Lorenzoni, Walter Salzburger, Hugo F. Gante & Luca Buonerba
Previous studies have given substantial attention to external factors that affect the distribution and diversification of freshwater fish in Europe and North America, in particular Pleistocene and Holocene glacial cycles. In the present paper we examine sequence variation at one mitochondrial and four nuclear loci (over 3 kbp) from populations sampled across several drainages of all species of Barbus known to inhabit Italian freshwaters (introduced B. barbus and native B. balcanicus, B. caninus, B. plebejus...

Data from: Merino and Merino-derived sheep breeds: a genome-wide intercontinental study

Elena Ciani, Emiliano Lasagna, Mariasilvia D’Andrea, Ingrid Alloggio, Fabio Marroni, Simone Ceccobelli, Juan Vicente Delgado Bermejo, Francesca Maria Sarti, James Kijas, Johannes A. Lenstra, Fabio Pilla & International Sheep Genomics Consortium
Background: Merino and Merino-derived sheep breeds have been widely distributed across the world, both as purebred and admixed populations. They represent an economically and historically important genetic resource which over time has been used as the basis for the development of new breeds. In order to examine the genetic influence of Merino in the context of a global collection of domestic sheep breeds, we analyzed genotype data that were obtained with the OvineSNP50 BeadChip (Illumina)...

Tests of search image and learning in the wild: insights from sexual conflict in damselflies

Silvana Piersanti, Gianandrea Salerno, Manuela Rebora, Albyn Jones, Leonardo Giontella, Vivana Di Pietro & Ola Fincke
Search image formation, a proximal mechanism to maintain genetic polymorphisms by negative frequency-dependent selection, has rarely been tested under natural conditions. Females of many non-territorial damselflies resemble either conspecific males or background vegetation. Mate-searching males are assumed to form search images of the majority female type, sexually harassing it at rates higher than expected from its frequency, thus selectively favoring the less common morph. We tested this and how morph coloration and behavior influenced male...

Data from: Temperature and storage time strongly affect the germination success of perennial Euphorbia species in Mediterranean regions

Antonia Cristaudo, Stefania Catara, Antonio Mingo, Alessia Restuccia & Andrea Onofri
This study aims to explore the effect of environmental factors (temperature,light, storage time) on germination response and dormancy patterns in eight Mediterranean native wildplants, belonging to the Euphorbia L. genus. In detail, we considered E. amygdaloides subsp. arbuscula, E. bivonae subsp. bivonae, E. ceratocarpa, E. characias, E. dendroides, E. melapetala, E. myrsinites, E. rigida. We collected seeds from natural plant populations and performed germination assays in climatic chambers at seven constant temperatures (from 5 to...

Environmental and Salmo trutta complex aboundance data in the Tiber River basin (central Italy)

Antonella Carosi, Lucia Ghetti, Rosalba Padula & Massimo Lorenzoni
Salmonids inhabiting Mediterranean rivers are of particular concern for biodiversity conservation, as they are threatened by various stressors, including habitat alterations, overfishing, climate change, and introgressive hybridisation with alien species. In the Tiber River basin (Central Italy), genetic introgression phenomena of the native Salmo cettii with the non-native Salmo trutta hinder the separate analysis of the two species, which are both included in the S. trutta complex. Little is known about the factors currently limiting...

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