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- Title
Transmission of the sponge microbiome: moving towards a unified model.
- Authors
Oliveira, Bruno Francesco Rodrigues; Freitas‐Silva, Jéssyca; Sánchez‐Robinet, Claudia; Laport, Marinella Silva
- Abstract
Summary: Sponges have co‐evolved for millions of years alongside several types of microorganisms, which aside from participating in the animal's diet, are mostly symbionts. Since most of the genetic repertoire in the holobiont genome is provided by microbes, it is expected that the host‐associated microbiome will be at least partially heritable. Sponges can therefore acquire their symbionts in different ways. Both vertical transmission (VT) and horizontal transmission (HT) have different advantages and disadvantages in the life cycle of these invertebrates. However, a third mode of transmission, called leaky vertical transmission or mixed mode of transmission (MMT), which incorporates both VT and HT modes, has gained relevance and seems to be the most robust model. In that regard, the aim of this review is to present the evolving knowledge on these main modes of transmission of the sponge microbiome. Our conclusions lead us to suggest that MMT may be more common for all sponges, with its frequency varying across the transmission spectrum between species and the environment. This hybrid model supports the stable and specific transmission of these microbial partners and reinforces their assistance in the resilience of sponges over the years.
- Subjects
ANIMAL feeding behavior; SPECIES; SYMBIODINIUM; MICROORGANISMS; GENOMES; INVERTEBRATES
- Publication
Environmental Microbiology Reports, 2020, Vol 12, Issue 6, p619
- ISSN
1758-2229
- Publication type
Article
- DOI
10.1111/1758-2229.12896