Biogeography of endosymbionts (Symbiodiniaceae) associated with zoantharian species (Hexacorallia: Anthozoa) from the Macaronesia and Cape Verde ecoregions

نویسندگان

چکیده

Abstract Populations of some zoantharian species (Cnidaria: Anthozoa) have been able to proliferate in locations where abiotic conditions hinder scleractinian corals’ survival. One the contributing factors might be advantageous host-symbiont associations that could lead holobionts more resilient environmental variation, even marginal-environments. However, few studies addressed these Zoantharia–Symbiodiniaceae associations, especially little is known about their nature and distribution Atlantic Ocean. In this study, we use large ribosomal subunit (LSU-rDNA) Internal Transcribed Spacer 2 (ITS2) examine biodiversity Symbiodiniaceae within zoantharians inhabit along latitudinal gradient Madeira (40ºN)—Cape Verde (16ºN). Moreover, determine number different endosymbionts genera inhabiting same specimen, order estimate ability face alterations environment. The results showed diversity increases towards tropics, with a total six ITS2 types belonging Symbiodinium Cladocopium , latter being most frequent genus. Furthermore, found possible undescribed P . aff. clavata collected at Island, northernmost limit brachycnemic distributions East Atlantic. These results, combined literature reviewed, constitute first mention genus host not Zoanthus spp for archipelago Canary Islands. An appendix summarizing around included facilitate future research on holobiont associations.

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ژورنال

عنوان ژورنال: Coral Reefs

سال: 2022

ISSN: ['1432-0975', '0722-4028']

DOI: https://doi.org/10.1007/s00338-022-02260-9