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Tindre dos cromosomes X podria protegir de l’efecte de les mutacions i explicar les diferències d’envelliment entre sexes


Investigadors de l’Institut Cavanilles de Biodiversitat i Biologia Evolutiva, en col·laboració amb la Universitat d’Oxford, han publicat en la revista 'Biology Letters' un estudi que suggereix que les diferències d’envelliment entre sexes, un fenomen molt estès en la natura, podrien ser degudes en part a l’efecte protector de tenir dues còpies del cromosoma sexual X.

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    WHO?: Dr. ANNA ALBIACH SERRANO (UCH-CEU) WHAT?: What primates and corvids say about the evolution of our cognitive traits WHEN?: Thursday 30/6/2016 – 12:00 h WHERE?: Seminar Room ICBiBE (SS6) ABSTRACT: What makes us human? Tool use, cooperation and culture are some of the traits that were proposed in the past to be distinctively ours. However, they were put in question as soon as examples of these skills were found in other animals. The problem was one of approach. As any other species, throughout evolutionary history we have retained traits from our ancestors while we have also accumulated changes. Therefore, when it comes to defining us it is important to consider both similarities and differences -and not only differences- with other species. This comparative approach becomes even more necessary if we are to tackle the difficult task of disentangling the web of divergences and convergences that brought us to be as we are. I will present some studies done with several primate and corvid species on cognitive aspects that have generated debate in the last years, like cooperation and the capacity to use tools.



    WHO?: Dr. ANDREW J. GREEN (EBD-CSIC) WHAT?: Dispersal ecology and invasion biology in aquatic fauna WHEN?: Thursday 9/6/2016 ­ 12:00 h WHERE?: Seminar Room ICBiBE (SS6) ABSTRACT: I will review recent and ongoing research in my group at EBD-CSIC into dispersal processes and biological invasions in aquatic ecosystems in wetlands in Andalusia and beyond. This includes colonization of an experimental pond system in Doñana, the invasion biology of an American boatman (Trichocorixa verticalis), the impact of invasive carp on a shallow lake, and the invasion genetics of the asiatic shrimp Palaeomon macrodactylus and the American brine shrimp Artemia franciscana. I will also explain ongoing research in several countries into the importance of waterbirds as vectors of dispersal for a broad spectrum of plants, invertebrates and microbes

    Andrés Moya recull hui el Premi Mèxic de Ciència i Tecnologia 2015


    El catedràtic de Genètica i investigador de l’Institut Cavanilles de la Universitat de València Andrés Moya ha sigut guardonat amb el Premi Mèxic de Ciència i Tecnologia 2015, un reconeixement al prestigi professional i a la contribució al desenvolupament científic i tecnològic que el Govern mexicà atorga a investigadors d’impacte internacional. El president mexicà, Enrique Peña Nieto, lliurarà el premi durant una sessió al saló d'actes de la residència oficial Los Pinos.

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      WHO?: Dr. STUART WIGBY (UNIV. OXFORD) WHAT?: Conflict, Competition and Exploitation: a tale of seminal fluid proteins WHEN?: Thursday 26/5/2016 ­ 12:00 h WHERE?: Seminar Room ICBiBE (SS6) ABSTRACT: Sex was traditionally viewed as a cooperative venture, but we now know that a suite of evolutionary conflicts ­ both intrasexual and intersexual underlie sexual reproduction. The cocktail of seminal substances transferred from males to females at mating are on the front line of these conflicts, and have far reaching consequences for the fitness of both sexes.

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