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2. Evaluation of tag attachment techniques for plunge‐diving terns

Author

Fijn, Ruben C., van Bemmelen, Rob S.A., Collier, Mark P., Courtens, Wouter, van Loon, E.E., Poot, Martin J.M., Shamoun‐Baranes, Judy, Fijn, Ruben C., van Bemmelen, Rob S.A., Collier, Mark P., Courtens, Wouter, van Loon, E.E., Poot, Martin J.M., and Shamoun‐Baranes, Judy

Abstract

A wide variety of attachment techniques have been used to track birds with electronic tags,with glue, tape, leg rings, neck collars and harnesses being the most common methods. Ingeneral, the choice of attachment method should strive to minimize tagging effects, butensure that sufficient data are collected to address the research question at hand. The aim ofour study was to develop and evaluate tag attachment methods to track Sandwich TernsThalasseus sandvicensisduring the last part of the incubation and the chick-rearing period ofone breeding season. Tag attachments had to stay on for the duration of the chick-rearingperiod (5–6 weeks) and be non-restraining andflexible, but strong enough to withstand theforces and submersion associated with their plunge-diving foraging technique. Wefirstexperimentally tested the durability offlexible material under various environmental condi-tions with the aim of developing a self-releasing harness. Then, infield studies, we comparedthree different attachment methods on terns during the breeding seasons, attaching tags todorsal feathers using (1) tape, (2) glue or (3) a newly developed harness made specificallyfor short-term deployments of one chick-rearing period and constructed from degradablematerial. Assessment of the performance of attachment methods was based on retentiontime of the loggers and on annual survival rates of tagged individuals in comparison withnon-tagged individuals. The use of tape and glue led to premature loss of tags (median mini-mum retention time (range) of 3 (1–4) days and 15 (5–26) days, respectively), whereas theself-releasing harness had a median minimum retention time of 42 (18–91) days, which issufficient to track Sandwich Terns during the entire chick-rearing period. The apparentannual survival of birds tagged using glue or tape did not differ from that observed in non-tagged control birds. In contrast, birdsfitted with the self-releasing harnesses might haveexperienced a lower survival rate than

Published
2024

3. The Legacy of George M. Martin: From Segmental Progeroid Syndromes to Antigeroid Syndromes.

Author

Poot, Martin

Subjects
*DOUBLE-strand DNA breaks, *MEDICAL genetics, *WERNER'S syndrome, *DNA topoisomerase I, *DNA repair, *SYNDROMES
Abstract

George M. Martin, a renowned researcher in the field of ageing, passed away at the age of 95. Throughout his career, he made significant contributions to the understanding of segmental progeroid syndromes, particularly Werner syndrome. Martin's research revealed that Werner syndrome is a rare autosomal recessive disorder characterized by signs of accelerated ageing. He also identified the WRN gene, which encodes a protein involved in DNA repair, as the cause of Werner syndrome. Additionally, Martin explored the concept of "antigeroid syndromes," which are genetic factors that may protect against the effects of ageing. His work has paved the way for further research in the field of ageing. [Extracted from the article]

Published
2024
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4. Evaluating the effects of moonlight on the vertical flight profiles of three western palaearctic swifts

Author

Hufkens, Koen, primary, Meier, Christoph M., additional, Evens, Ruben, additional, Paredes, Josefa Arán, additional, Karaardiç, Hakan, additional, Vercauteren, Stef, additional, Van Gysel, Ann, additional, Fox, James W., additional, Pacheco, Carlos Miguel, additional, da Silva, Luis P., additional, Fernandes, Sandra, additional, Henriques, Pedro, additional, Elias, Gonçalo, additional, Costa, Luís T., additional, Poot, Martin, additional, and Kearsley, Lyndon, additional

Published
2023
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5. Gene-network analysis identifies susceptibility genes related to glycobiology in autism.

Author

van der Zwaag, Bert, Franke, Lude, Poot, Martin, Hochstenbach, Ron, Spierenburg, Henk A, Vorstman, Jacob AS, van Daalen, Emma, de Jonge, Maretha V, Verbeek, Nienke E, Brilstra, Eva H, van 't Slot, Ruben, Ophoff, Roel A, van Es, Michael A, Blauw, Hylke M, Veldink, Jan H, Buizer-Voskamp, Jacobine E, Beemer, Frits A, van den Berg, Leonard H, Wijmenga, Cisca, van Amstel, Hans Kristian Ploos, van Engeland, Herman, Burbach, J Peter H, and Staal, Wouter G

Subjects
Brain, Animals, Humans, Mice, Genetic Predisposition to Disease, Oligonucleotide Array Sequence Analysis, Case-Control Studies, Reproducibility of Results, Autistic Disorder, Chromosome Segregation, Gene Expression Regulation, Developmental, Gene Dosage, Haplotypes, Genome, Human, Software, Gene Regulatory Networks, Glycomics, Gene Expression Regulation, Developmental, Genome, Human, General Science & Technology
Abstract

The recent identification of copy-number variation in the human genome has opened up new avenues for the discovery of positional candidate genes underlying complex genetic disorders, especially in the field of psychiatric disease. One major challenge that remains is pinpointing the susceptibility genes in the multitude of disease-associated loci. This challenge may be tackled by reconstruction of functional gene-networks from the genes residing in these loci. We applied this approach to autism spectrum disorder (ASD), and identified the copy-number changes in the DNA of 105 ASD patients and 267 healthy individuals with Illumina Humanhap300 Beadchips. Subsequently, we used a human reconstructed gene-network, Prioritizer, to rank candidate genes in the segmental gains and losses in our autism cohort. This analysis highlighted several candidate genes already known to be mutated in cognitive and neuropsychiatric disorders, including RAI1, BRD1, and LARGE. In addition, the LARGE gene was part of a sub-network of seven genes functioning in glycobiology, present in seven copy-number changes specifically identified in autism patients with limited co-morbidity. Three of these seven copy-number changes were de novo in the patients. In autism patients with a complex phenotype and healthy controls no such sub-network was identified. An independent systematic analysis of 13 published autism susceptibility loci supports the involvement of genes related to glycobiology as we also identified the same or similar genes from those loci. Our findings suggest that the occurrence of genomic gains and losses of genes associated with glycobiology are important contributors to the development of ASD.

Published
2009

7. Moonlight synchronous flights across three western palearctic swifts mirror size dependent prey preferences

Author

Hufkens, Koen, primary, Meier, Christoph M., additional, Evens, Ruben, additional, Arán Paredes, Josefa, additional, Karaardiç, Hakan, additional, Vercauteren, Stef, additional, Van Gysel, Ann, additional, Fox, James W., additional, Pacheco, Carlos Miguel, additional, da Silva, Luis P., additional, Fernandes, Sandra, additional, Henriques, Pedro, additional, Elias, Conçalo, additional, Costa, Luís T., additional, Poot, Martin, additional, and Kearsley, Lyndon, additional

Published
2023
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14. WRN Mutation Update: Mutation Spectrum, Patient Registries, and Translational Prospects

Author

Yokote, Koutaro, Chanprasert, Sirisak, Lee, Lin, Eirich, Katharina, Takemoto, Minoru, Watanabe, Aki, Koizumi, Naoko, Lessel, Davor, Mori, Takayasu, Hisama, Fuki M., Ladd, Paula D., Angle, Brad, Baris, Hagit, Cefle, Kivanc, Palanduz, Sukru, Ozturk, Sukru, Chateau, Antoinette, Deguchi, Kentaro, Easwar, T.K.M, Federico, Antonio, Fox, Amy, Grebe, Theresa A., Hay, Beverly, Nampoothiri, Sheela, Seiter, Karen, Streeten, Elizabeth, Piña‐Aguilar, Raul E., Poke, Gemma, Poot, Martin, Posmyk, Renata, Martin, George M., Kubisch, Christian, Schindler, Detlev, and Oshima, Junko

Published
2017
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19. Four patients with speech delay, seizures and variable corpus callosum thickness sharing a 0.440 Mb deletion in region 1q44 containing the HNRPU gene

Author

Caliebe, Almuth, Kroes, Hester Y., van der Smagt, Jasper J., Martin-Subero, José I., Tönnies, Holger, van ’t Slot, Ruben, Nievelstein, Rutger A.J., Muhle, Hiltrud, Stephani, Ulrich, Alfke, Karsten, Stefanova, Irina, Hellenbroich, Yorck, Gillessen-Kaesbach, Gabriele, Hochstenbach, Ron, Siebert, Reiner, and Poot, Martin

Published
2010
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24. WRN mutations in Werner syndrome patients: genomic rearrangements, unusual intronic mutations and ethnic-specific alterations

Author

Friedrich, Katrin, Lee, Lin, Leistritz, Dru F., Nürnberg, Gudrun, Saha, Bidisha, Hisama, Fuki M., Eyman, Daniel K., Lessel, Davor, Nürnberg, Peter, Li, Chumei, Garcia-F-Villalta, María J., Kets, Carolien M., Schmidtke, Joerg, Cruz, Vítor Tedim, Van den Akker, Peter C., Boak, Joseph, Peter, Dincy, Compoginis, Goli, Cefle, Kivanc, Ozturk, Sukru, López, Norberto, Wessel, Theda, Poot, Martin, Ippel, P. F., Groff-Kellermann, Birgit, Hoehn, Holger, Martin, George M., Kubisch, Christian, and Oshima, Junko

Published
2010
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29. Beschikbaarheid van vis voor visdieven rond Marker Wadden in juli 2020

Author

de Leeuw, Joep J., van Keeken, Olvin, Meeldijk, Cees, Poot, Martin, de Leeuw, Joep J., van Keeken, Olvin, Meeldijk, Cees, and Poot, Martin

Abstract

In het kader van het Kennis- en Innovatieprogramma Marker Wadden (KIMA) is in juli 2020 onderzoek gedaan naar de foerageergebieden en prooikeuze van visdieven die broeden op Marker Wadden. In aanvulling op lopend onderzoek naar de voedselkeuze van visdieven in relatie tot het broedsucces was de belangrijkste onderzoeksvraag in dit project waar de belangrijkste foerageergebieden liggen en welke omstandigheden bepalen wanneer vis die geschikt is als prooi voor visdieven bereikbaar is voor visdieven. Hiertoe zijn drie tellingen vanuit een vliegtuig uitgevoerd waarbij de aantallen foeragerende visdieven werden genoteerd en waar mogelijk omstandigheden die van invloed zijn bij de keuze van de foerageergebieden, bijvoorbeeld de aanwezigheid van foeragerende aalscholvers en activiteiten van (vissers)schepen. Daarnaast zijn er in 3 perioden van 2-3 dagen vanaf een visserschip bemonsteringen uitgevoerd van potentiele prooivis voor visdieven. Hierbij werden met een fijnmazige broedkor bemonsteringen aan het wateroppervlak, halverwege de waterkolom en bij de bodem uitgevoerd in het zuidwestelijk IJsselmeer en oostelijk Markermeer. Ook werden aantallen foeragerende sterns geteld en waar mogelijk de prooikeuze vastgesteld aan de hand van foto’s die op locatie werden gemaakt. Visdieven bleken verspreid over het relatief troebele Markermeer (Secchi 0.3-1.0 m) te foerageren en volgden soms vrachtschepen. In het aanzienlijk helderder zuidwestelijke deel van het IJsselmeer (Secchi 1.0-3.0 m) bleken visdieven geconcentreerd in vaak grotere groepen tot maximaal 150 individuen te foerageren, niet zelden samen met foeragerende aalscholvers en futen. Ook werden foeragerende visdieven (ca 25% tijdens de tellingen) aangetroffen bij vissersschepen die aalfuiken leegden langs de Houtribdijk. In het open water van IJsselmeer en Markermeer werd hoofdzakelijk spiering aangetroffen als geschikte prooi en werden, met name op het IJsselmeer, veel visdieven met spiering waargenomen die richting de b

Published
2020

30. Eindrapportage monitoring- en onderzoeksprogramma Natuurcompensatie Voordelta (PMR-NCV)

Author

Prins, Theo, van der Meer, Jaap, Herman, Peter, van der Spek, Ad, Chen, Chun, Wymenga, Eddy, van der Zee, Els, Stienen, Eric, Aarts, Geert, Meijer-Holzhauer, Harriëtte, Adema, Jeroen, Craeymeersch, Johan, van Wolfshaar, Karen, Bolle, Loes, Poot, Martin, Hintzen, Niels, van Horssen, Peter, Fijn, Ruben, Glorius, Sander, Beier, Ulrika, Courtens, Wouter, Neitzel, Sophie, van Hoof, Luc, Prins, Theo, van der Meer, Jaap, Herman, Peter, van der Spek, Ad, Chen, Chun, Wymenga, Eddy, van der Zee, Els, Stienen, Eric, Aarts, Geert, Meijer-Holzhauer, Harriëtte, Adema, Jeroen, Craeymeersch, Johan, van Wolfshaar, Karen, Bolle, Loes, Poot, Martin, Hintzen, Niels, van Horssen, Peter, Fijn, Ruben, Glorius, Sander, Beier, Ulrika, Courtens, Wouter, Neitzel, Sophie, and van Hoof, Luc

Abstract

In 2006 is een planologische kernbeslissing genomen over het Project Mainportontwikkeling Rotterdam (PMR). In dit kader is in 2008 begonnen met de aanleg van Maasvlakte 2. In samenhang daarmee zijn natuurcompensatiemaatregelen genomen in de Voordelta. Vanaf 2009 is in het kader van het project Natuurcompensatie Voordelta (PMR-NCV) een monitoring- en onderzoeksprogramma uitgevoerd in de Voordelta, voortvloeiend uit de monitoringverplichtingen in het kader van de vergunning op grond van de Nb-wet 1998 voor de aanleg en aanwezigheid van Maasvlakte 2 en de bijbehorende natuurcompensatie. Het hier voorliggende rapport vormt de wetenschappelijke rapportage over de resultaten van het programma. Het rapport geeft een synthese van de monitorings- en onderzoeksresultaten uit de nulmetingen (2004-2007) en de eerste (2009-2015) en tweede (2016-2018) fase van PMR-NCV, aangevuld met de resultaten van ander relevant onderzoek. Op grond hiervan worden de effecten van de natuurcompensatiemaatregelen beschreven. Dit rapport vormt een vervolg op de in 2018 gepubliceerde synthese (Tulp et al., 2018a). Het rapport omvat zowel een actualisatie van analyseresultaten en conclusies op basis van meetgegevens uit recente jaren die nog niet beschikbaar waren in 2018, als resultaten van nieuwe analyses.Corrigendum en addendum toegevoegd in februari 2024.

Published
2020

36. No association between a common single nucleotide polymorphism, rs4141463, in the MACROD2 gene and autism spectrum disorder

Author

Curran, Sarah, Bolton, Patrick, Rozsnyai, Kinga, Chiocchetti, Andreas, Klauck, Sabine M., Duketis, Eftichia, Poustka, Fritz, Schlitt, Sabine, Freitag, Christine M., Lee, Irene, Muglia, Pierandrea, Poot, Martin, Staal, Wouter, de Jonge, Maretha V., Ophoff, Roel A., Lewis, Cathryn, Skuse, David, Mandy, Will, Vassos, Evangelos, Fossdal, Ragnheidur, Magnusson, Páll, Hreidarsson, Stefan, Saemundsen, Evald, Stefansson, Hreinn, Stefansson, Kari, and Collier, David

Published
2011
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45. GPS-Tracking of Great Cormorants Phalacrocorax carbo sinensis Reveals Sex-Specific Differences in Foraging Behaviour.

Author

Fijn, Ruben C., de Jong, Job W., Adema, Jeroen, van Horssen, Peter W., Poot, Martin J.M., van Rijn, Stef, van Eerden, Mennobart R., and Boudewijn, Theo J.

Abstract

Great Cormorants Phalacrocorax carbo sinensis are considered generalist predators feeding in a variety of marine and freshwater habitats on many different prey species. Recently however, there is increasing evidence that even seemingly generalist species can often be regarded as a diverse group of individual specialists sometimes induced by sex-specific foraging behaviour. To test whether this also holds true for Great Cormorants, the present study characterised the at-sea distribution and examined the time budgets of provisioning Great Cormorants by deploying GPS-loggers on 11 nesting males and females during the breeding season of 2012. Additionally, pellets were collected from underneath the nests of these tagged birds for detailed diet analysis, based on the otoliths and fish bones recorded within them. Diverse foraging patterns were recorded, ranging from exclusively freshwater feeding, to offshore foraging, with the furthest recorded distance from the colony being 28 km at sea. Time budgets during foraging trips revealed relatively long periods of resting ashore (55% of the trip ± 23%), followed by foraging (31 ± 18%), and time spent in flight (15 ± 11%). Flatfishes dominated in the diets of these Great Cormorants, indicating benthic-foraging strategies when foraging in saltwater (feeding on discards could be ruled out). The males in this study avoided freshwater foraging habitat and preferred offshore waters with a sandy bottom or nearshore waters alongside rocky breakwaters and within harbours. Females foraged in all habitat types, but proportionally more in inland freshwater bodies. Females spent more time on foraging than did males, particularly in marine habitats, whilst males rested more. It is proposed that these differences might have been caused by sex-specific foraging strategies, possibly resulting from competition at foraging sites. [ABSTRACT FROM AUTHOR]

Published
2021
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47. Recurrent Rearrangements of Chromosome 1q21.1 and Variable Pediatric Phenotypes

Author

Mefford, Heather C., Sharp, Andrew J., Baker, Carl, Itsara, Andy, Jiang, Zhaoshi, Buysse, Karen, Huang, Shuwen, Maloney, Viv K., Crolla, John A., Baralle, Diana, Collins, Amanda, Mercer, Catherine, Norga, Koen, de Ravel, Thomy, Devriendt, Koen, Bongers, Ernie M.H.F., de Leeuw, Nicole, Reardon, William, Gimelli, Stefania, Bena, Frederique, Hennekam, Raoul C., Male, Alison, Gaunt, Lorraine, Clayton-Smith, Jill, Simonic, Ingrid, Park, Soo Mi, Mehta, Sarju G., Nik-Zainal, Serena, Woods, Geoffrey C., Firth, Helen V., Parkin, Georgina, Fichera, Marco, Reitano, Santina, Giudice, Mariangela Lo, Li, Kelly E., Casuga, Iris, Broomer, Adam, Conrad, Bernard, Schwerzmann, Markus, Räber, Lorenz, Gallati, Sabina, Striano, Pasquale, Coppola, Antonietta, Tolmie, John L., Tobias, Edward S., Lilley, Chris, Armengol, Lluis, Spysschaert, Yves, Verloo, Patrick, De Coene, Anja, Goossens, Linde, Mortier, Geert, Speleman, Frank, van Binsbergen, Ellen, Nelen, Marcel R., Hochstenbach, Ron, Poot, Martin, Gallagher, Louise, Gill, Michael, McClellan, Jon, King, Mary-Claire, Regan, Regina, Skinner, Cindy, Stevenson, Roger E., Antonarakis, Stylianos E., Chen, Caifu, Estivill, Xavier, Menten, Björn, Gimelli, Giorgio, Gribble, Susan, Schwartz, Stuart, Sutcliffe, James S., Walsh, Tom, Knight, Samantha J.L., Sebat, Jonathan, Romano, Corrado, Schwartz, Charles E., Veltman, Joris A., de Vries, Bert B.A., Vermeesch, Joris R., Barber, John C.K., Willatt, Lionel, Tassabehji, May, and Eichler, Evan E.

Published
2008
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50. Visdieven in het IJsselmeergebied: broedplaatskeuze en broedsucces in een wetland met weinig dynamiek

Author

van der Winden, Jan, Dirksen, S., Doodeman, Debby, Hogeweg, Niels, van Horssen, Peter, Kelder, Leon, Tulp, I., and Poot, Martin

Subjects
Onderz. Form. D, Onderzoeksformatie, WIAS, Onderz. Form. B, Life Science
Abstract

Visdieven broeden op kale open pionierbiotopen in visrijke zoete en zoute wateren. De voormalige Zuiderzee bood een ideaal leefgebied voor deze vogelsoort dankzij de peilschommelingen, zoutinvloed en omvangrijke vispopulaties als voedselbron. Sinds de afsluiting van de Zuiderzee door de Afsluitdijk is een zoetwatersysteem ontstaan met weinig dynamiek en harde oevers. Het natuurbeleid in het IJsselmeer is mede gericht op behoud van soorten van dynamische biotopen. De vraag doet zich voor of het mogelijk is om Visdieven duurzaam een plek te geven in dit merengebied. Sinds 1990 is informatie over de ecologie van Visdieven verzameld die goed bruikbaar blijkt te zijn om het beschermingsbeleid van een wetland-systeem met een ingedamde dynamiek te evalueren.

Published
2019

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