Results for 'Holobiont'

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  1.  35
    Holobionts: Ecological Communities, Hybrids, or Biological Individuals? A Metaphysical Perspective on Multispecies Systems.Vanessa Triviño & Javier Suárez - 2020 - Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences:1-11.
    Holobionts are symbiotic assemblages composed by a macrobe host plus its symbiotic microbiota. In recent years, the ontological status of holobionts has created a great amount of controversy among philosophers and biologists: are holobionts biological individuals or are they rather ecological communities of independent individuals that interact together? Chiu and Eberl have recently developed an eco-immunity account of the holobiont wherein holobionts are neither biological individuals nor ecological communities, but hybrids between a host and its microbiota. According to their (...)
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  2. Holobiont Evolution: Mathematical Model with Vertical Vs. Horizontal Microbiome Transmission.Joan Roughgarden - 2020 - Philosophy, Theory, and Practice in Biology 12 (2).
    A holobiont is a composite organism consisting of a host together with its microbiome, such as a coral with its zooxanthellae. To explain the often intimate integration between hosts and their microbiomes, some investigators contend that selection operates on holobionts as a unit and view the microbiome’s genes as extending the host’s nuclear genome to jointly comprise a hologenome. Because vertical transmission of microbiomes is uncommon, other investigators contend that holobiont selection cannot be effective because a holobiont’s (...)
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  3. A Metaphysical Approach to Holobiont Individuality: Holobionts as Emergent Individuals.Javier Suárez & Vanessa Triviño - 2019 - Quaderns de Filosofia 6 (1):59-76.
    Holobionts are symbiotic assemblages composed by a host plus its microbiome. The status of holobionts as individuals has recently been a subject of continuous controversy, which has given rise to two main positions: on the one hand, holobiont advocates argue that holobionts are biological individuals; on the other, holobiont detractors argue that they are just mere chimeras or ecological communities, but not individuals. Both parties in the dispute develop their arguments from the framework of the philosophy of biology, (...)
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  4. The stability of traits conception of the hologenome: An evolutionary account of holobiont individuality.Javier Suárez - 2020 - History and Philosophy of the Life Sciences 42 (1):1-27.
    Bourrat and Griffiths :33, 2018) have recently argued that most of the evidence presented by holobiont defenders to support the thesis that holobionts are evolutionary individuals is not to the point and is not even adequate to discriminate multispecies evolutionary individuals from other multispecies assemblages that would not be considered evolutionary individuals by most holobiont defenders. They further argue that an adequate criterion to distinguish the two categories is fitness alignment, presenting the notion of fitness boundedness as a (...)
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  5. El holobionte/hologenoma como nivel de seleccion.Javier Suárez - 2021 - Theoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 36 (1):81-112.
    The units or levels of selection debate concerns the question of what kind of biological systems are stable enough that part of their evolution is a result of the process of natural selection acting at their level. Traditionally, the debate has concerned at least two different, though related, questions: the question of the level at which interaction with the environment occurs, and the question of the level at which reproduction occurs. In recent years, biologists and philosophers have discussed a new (...)
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  6.  51
    Interactions Within the Holobiont: On the Holobiont’s Interactions of Its Microorganisms.Tamar Schneider - forthcoming - Philosophy, Theory, and Practice in Biology.
    I address the question of how we should understand the holobiont and offer to look at it from the perspective of interactions. The debate about the holobiont centers on two issues: where to place its boundaries and what are the criteria for distinguishing inside from outside. By shifting the focus from degrees of cohesion of the host-symbiont interactions to the heterogeneity of interactions, I suggest a different perspective on interactions and their role in shaping the interacting agent (e.g., (...)
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  7. The Importance of Symbiosis in Philosophy of Biology: An Analysis of the Current Debate on Biological Individuality and its Historical Roots.Javier Suárez - 2018 - Symbiosis 76 (2):77-96.
    Symbiosis plays a fundamental role in contemporary biology, as well as in recent thinking in philosophy of biology. The discovery of the importance and universality of symbiotic associations has brought new light to old debates in the field, including issues about the concept of biological individuality. An important aspect of these debates has been the formulation of the hologenome concept of evolution, the notion that holobionts are units of natural selection in evolution. This review examines the philosophical assumptions that underlie (...)
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  8. The Hologenome Concept of Evolution: A Philosophical and Biological Study.Javier Suárez - 2019 - Dissertation, University of Exeter
    The hologenome concept of evolution is a hypothesis about the evolution of animals and plants. It asserts that the evolution of animals and plants was partially triggered by their interactions with their symbiotic microbiomes. In that vein, the hologenome concept posits that the holobiont (animal host + symbionts of the microbiome) is a unit of selection. -/- The hologenome concept has been severely criticized on the basis that selection on holobionts would only be possible if there were a tight (...)
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  9. The Rise of the Technobionts: Toward a New Ontology to Understand Current Planetary Crisis.Gustavo Magallanes Guijón & O. López-Corona - forthcoming - Researchers.One.
    Inhere we expand the concept of Holobiont to incorporate niche construction theory in order to increase our understanding of the current planetary crisis. By this, we propose a new ontology, the Ecobiont, as the basic evolutionary unit of analysis. We make the case of Homo Sapiens organized around modern cities (technobionts) as a different Ecobiont from classical Homo Sapiens (i.e. Hunter- gatherers Homo Sapiens). We consider that Ecobiont ontology helps to make visible the coupling of Homo Sapiens with other (...)
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  10. Organisms as Persisters.Subrena E. Smith - 2017 - Philosophy, Theory, and Practice in Biology 9 (14).
    This paper addresses the question of what organisms are and therefore what kinds of biological entities qualify as organisms. For some time now, the concept of organismality has been eclipsed by the notion of individuality. Biological individuals are those systems that are units of selection. I develop a conception of organismality that does not rely on evolutionary considerations, but instead draws on development and ecology. On this account, organismality and individuality can come apart. Organisms, in my view, are as Godfrey-Smith (...)
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  11. What is a Hologenomic Adaptation? Emergent Individuality and Inter-Identity in Multispecies Systems.Javier Suárez & Vanessa Triviño - 2020 - Frontiers in Psychology 187 (11).
    Contemporary biological research has suggested that some host–microbiome multispecies systems (referred to as “holobionts”) can in certain circumstances evolve as unique biological individual, thus being a unit of selection in evolution. If this is so, then it is arguably the case that some biological adaptations have evolved at the level of the multispecies system, what we call hologenomic adaptations. However, no research has yet been devoted to investigating their nature, or how these adaptations can be distinguished from adaptations at the (...)
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  12.  50
    Species in the Age of Discordance.Matthew H. Haber - 2019 - Philosophy, Theory, and Practice in Biology 11 (21).
    Biological lineages move through time, space, and each other. As they do, they diversify, diverge, and grade away from and into one another. One result of this is genealogical discordance; i.e., the lineages of a biological entity may have different histories. We see this on numerous levels, from microbial networks, to holobionts, to population-level lineages. This paper considers how genealogical discordance impacts our study of species. More specifically, I consider this in the context of three framing questions: (1) How, if (...)
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  13. Big Dreams for Small Creatures: Ilana and Eugene Rosenberg’s Path to the Hologenome Theory.Ehud Lamm - 2016 - In Oren Harman & Michael Dietrich (eds.), Dreamers, Visionaries, and Revolutionaries in the Life Sciences. Chicago University Press.
    A biographical sketch of the Hologenome Theory.
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  14. Non-Genetic Inheritance: Evolution Above the Organismal Level.Anton Sukhoverkhov & Nathalie Gontier - 2021 - Biosystems 1 (200):104325.
    The article proposes to further develop the ideas of the Extended Evolutionary Synthesis by including into evolutionary research an analysis of phenomena that occur above the organismal level. We demonstrate that the current Extended Synthesis is focused more on individual traits (genetically or non-genetically inherited) and less on community system traits (synergetic/organizational traits) that characterize transgenerational biological, ecological, social, and cultural systems. In this regard, we will consider various communities that are made up of interacting populations, and for which the (...)
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