Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome

Abstract Background Invertebrates are a very attractive subject for studying host-microbe interactions because of their simple gut microbial community and host diversity. Studying the composition of invertebrate gut microbiota and the determining factors is essential for understanding their symbioti...

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Main Authors: Woorim Kang, Pil Soo Kim, Euon Jung Tak, Hojun Sung, Na-Ri Shin, Dong-Wook Hyun, Tae Woong Whon, Hyun Sik Kim, June-Young Lee, Ji-Hyun Yun, Mi-Ja Jung, Jin-Woo Bae
Format: Article
Language:English
Published: BMC 2022-05-01
Series:Animal Microbiome
Subjects:
Online Access:https://doi.org/10.1186/s42523-022-00184-x
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author Woorim Kang
Pil Soo Kim
Euon Jung Tak
Hojun Sung
Na-Ri Shin
Dong-Wook Hyun
Tae Woong Whon
Hyun Sik Kim
June-Young Lee
Ji-Hyun Yun
Mi-Ja Jung
Jin-Woo Bae
author_facet Woorim Kang
Pil Soo Kim
Euon Jung Tak
Hojun Sung
Na-Ri Shin
Dong-Wook Hyun
Tae Woong Whon
Hyun Sik Kim
June-Young Lee
Ji-Hyun Yun
Mi-Ja Jung
Jin-Woo Bae
author_sort Woorim Kang
collection DOAJ
description Abstract Background Invertebrates are a very attractive subject for studying host-microbe interactions because of their simple gut microbial community and host diversity. Studying the composition of invertebrate gut microbiota and the determining factors is essential for understanding their symbiotic mechanism. Cephalopods are invertebrates that have similar biological properties to vertebrates such as closed circulation system, an advanced nervous system, and a well-differentiated digestive system. However, it is not currently known whether their microbiomes have more in common with vertebrates or invertebrates. This study reports on the microbial composition of six cephalopod species and compares them with other mollusk and marine fish microbiomes to investigate the factors that shape the gut microbiota. Results Each cephalopod gut consisted of a distinct consortium of microbes, with Photobacterium and Mycoplasma identified as core taxa. The gut microbial composition of cephalopod reflected their host phylogeny, the importance of which was supported by a detailed oligotype-level analysis of operational taxonomic units assigned to Photobacterium and Mycoplasma. Photobacterium typically inhabited multiple hosts, whereas Mycoplasma tended to show host-specific colonization. Furthermore, we showed that class Cephalopoda has a distinct gut microbial community from those of other mollusk groups or marine fish. We also showed that the gut microbiota of phylum Mollusca was determined by host phylogeny, habitat, and diet. Conclusion We have provided the first comparative analysis of cephalopod and mollusk gut microbial communities. The gut microbial community of cephalopods is composed of distinctive microbes and is strongly associated with their phylogeny. The Photobacterium and Mycoplasma genera are core taxa within the cephalopod gut microbiota. Collectively, our findings provide evidence that cephalopod and mollusk gut microbiomes reflect host phylogeny, habitat, and diet. It is hoped that these data can contribute to future studies on invertebrate–microbe interactions.
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spelling doaj.art-7e6b4606d9e74fe8ae86002b00ac72d52022-12-22T02:11:23ZengBMCAnimal Microbiome2524-46712022-05-014111510.1186/s42523-022-00184-xHost phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiomeWoorim Kang0Pil Soo Kim1Euon Jung Tak2Hojun Sung3Na-Ri Shin4Dong-Wook Hyun5Tae Woong Whon6Hyun Sik Kim7June-Young Lee8Ji-Hyun Yun9Mi-Ja Jung10Jin-Woo Bae11Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityDepartment of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee UniversityAbstract Background Invertebrates are a very attractive subject for studying host-microbe interactions because of their simple gut microbial community and host diversity. Studying the composition of invertebrate gut microbiota and the determining factors is essential for understanding their symbiotic mechanism. Cephalopods are invertebrates that have similar biological properties to vertebrates such as closed circulation system, an advanced nervous system, and a well-differentiated digestive system. However, it is not currently known whether their microbiomes have more in common with vertebrates or invertebrates. This study reports on the microbial composition of six cephalopod species and compares them with other mollusk and marine fish microbiomes to investigate the factors that shape the gut microbiota. Results Each cephalopod gut consisted of a distinct consortium of microbes, with Photobacterium and Mycoplasma identified as core taxa. The gut microbial composition of cephalopod reflected their host phylogeny, the importance of which was supported by a detailed oligotype-level analysis of operational taxonomic units assigned to Photobacterium and Mycoplasma. Photobacterium typically inhabited multiple hosts, whereas Mycoplasma tended to show host-specific colonization. Furthermore, we showed that class Cephalopoda has a distinct gut microbial community from those of other mollusk groups or marine fish. We also showed that the gut microbiota of phylum Mollusca was determined by host phylogeny, habitat, and diet. Conclusion We have provided the first comparative analysis of cephalopod and mollusk gut microbial communities. The gut microbial community of cephalopods is composed of distinctive microbes and is strongly associated with their phylogeny. The Photobacterium and Mycoplasma genera are core taxa within the cephalopod gut microbiota. Collectively, our findings provide evidence that cephalopod and mollusk gut microbiomes reflect host phylogeny, habitat, and diet. It is hoped that these data can contribute to future studies on invertebrate–microbe interactions.https://doi.org/10.1186/s42523-022-00184-xCephalopodGut microbiotaMolluscaPhylosymbiosisPhotobacteriumMycoplasma
spellingShingle Woorim Kang
Pil Soo Kim
Euon Jung Tak
Hojun Sung
Na-Ri Shin
Dong-Wook Hyun
Tae Woong Whon
Hyun Sik Kim
June-Young Lee
Ji-Hyun Yun
Mi-Ja Jung
Jin-Woo Bae
Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
Animal Microbiome
Cephalopod
Gut microbiota
Mollusca
Phylosymbiosis
Photobacterium
Mycoplasma
title Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
title_full Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
title_fullStr Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
title_full_unstemmed Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
title_short Host phylogeny, habitat, and diet are main drivers of the cephalopod and mollusk gut microbiome
title_sort host phylogeny habitat and diet are main drivers of the cephalopod and mollusk gut microbiome
topic Cephalopod
Gut microbiota
Mollusca
Phylosymbiosis
Photobacterium
Mycoplasma
url https://doi.org/10.1186/s42523-022-00184-x
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