Journal article

Novel genetic diversity through somatic mutations: Fuel for adaptation of reef corals?

MJH van Oppen, P Souter, EJ Howells, A Heyward, R Berkelmans

Diversity | Published : 2011

Abstract

Adaptation of reef corals to climate change is an issue of much debate, and often viewed as too slow a process to be of relevance over decadal time scales. This notion is based on the long sexual generation times typical for some coral species. However, the importance of somatic mutations during asexual reproduction and growth on evolution and adaptation (i.e., cell lineage selection) is rarely considered. Here we review the existing literature on cell lineage selection and show that the scope for somatic mutations to arise in the coral animal and associated Symbiodinium is large. For example, we estimate that ~100 million somatic mutations can arise within a branching Acropora coral colony ..

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University of Melbourne Researchers

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