A Study on the Prokaryotic Microbial Community Structures in the Endospheric Compartments of Kandelia candel from the Mangroves
Mangroves,as one of the most productive ecosystems in the world,play a globally significant role in CO2 absorption,embankment reinforcement,and biological protection.In this study,amplicon sequencing was used to study the community distribution and diversity of the prokaryotic endophytes in different tissues of Kandelia candel.The bacterial phyla Proteobacteria(64.6%),Actinobacteriota(13.7%),and Desulfobacterota(4.5)were dominant in the tissues of leaf,stem,and root,and the phyla Nanoarchaeota(0.6%)and Crenarchaeota(0.06%)were the dominant archaeal communities in these tissues.The endophytic community structure of root was more similar with that of sediment sample,while the endophytic community structures in leaf and stem were more similar with that of hypocotyl sample.A total of 33 OTUs was only found in leaf,stem,and hypocotyl samples,but did not exist in root,sediment,and interstitial water samples,which indicated that hypocotyl was a potential source of the endophytic communities of stem and leaf.This study provides the data support for an in-depth insight into the interaction between K.candel and microorganisms and lays a foundation for fully understanding the ecological functions of the microbial communities in mangrove ecosystem.
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