Phylosymbiosis in Seven Wild Fish Species Collected Off the Southern Coast of Korea: Skin Microbiome Most Strongly Reflects Evolutionary Pressures.
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| Title: | Phylosymbiosis in Seven Wild Fish Species Collected Off the Southern Coast of Korea: Skin Microbiome Most Strongly Reflects Evolutionary Pressures. |
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| Authors: | Han, Gyeong Hak1,2 (AUTHOR) asdf7341@kiost.ac.kr, Yu, Jihyun1,2 (AUTHOR) jihyunyu@kiost.ac.kr, Kang, Min Joo1 (AUTHOR) mjkang@kiost.ac.kr, Park, Mi-Jeong1 (AUTHOR) mijeong16@kiost.ac.kr, Noh, Choong Hwan1 (AUTHOR) chnoh@kiost.ac.kr, Kim, Yun Jae1,2 (AUTHOR) bio1213@kiost.ac.kr, Kwon, Kae Kyoung1,2 (AUTHOR) kkkwon@kiost.ac.kr |
| Source: | Microbial Ecology. 12/21/2024, Vol. 87 Issue 1, p1-11. 11p. |
| Subjects: | Fish evolution, Life sciences, Fish skin, Aquatic animals, Microbial communities, Host specificity (Biology) |
| Abstract: | Phylosymbiosis is defined as the relationship in which the microbiome recapitulates the phylogeny of the host and has been demonstrated in a variety of terrestrial organisms, although it has been understudied in fish, the most phylogenetically diverse vertebrate. Given that the species-specificity of fish microbiomes was detected in multiple body parts and differed by body parts, we assumed that the phylogenetic reflection of the microbiome would differ across body parts. Thus, we analyze the difference of phylosymbiotic relationships in the microbial communities found in three body parts (skin, gills, and intestine) of seven wild fish species from four families (Labridae, Sebastidae, Sparidae, and Rajidae) via 16S rRNA gene amplicon sequencing. Fishes were purchased at Docheon port market in Tongyeong City, Korea and were transported to nearby research institutes for aliveness. Mantel tests using dissimilarity values of microbiomes and hosts' divergence times showed that the differences in microbial communities in all three body parts were related to the hosts' divergence time. This pattern was the most pronounced in the skin. Furthermore, fishes from the same family showed similar bacterial compositions on their skins and gills, with clear differences depending on the family, with the exception of Labridae. These results suggest that the skin microbiome is particularly vulnerable to evolutionary pressures. We hypothesized that the evolution of the fish immune system and the difference in feeding habits induced the stronger phylosymbiotic signal in the skin. Collectively, this dataset will be useful for understanding the fish microbiome and give insights into phylosymbiosis of aquatic animals across body parts. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Phylosymbiosis is defined as the relationship in which the microbiome recapitulates the phylogeny of the host and has been demonstrated in a variety of terrestrial organisms, although it has been understudied in fish, the most phylogenetically diverse vertebrate. Given that the species-specificity of fish microbiomes was detected in multiple body parts and differed by body parts, we assumed that the phylogenetic reflection of the microbiome would differ across body parts. Thus, we analyze the difference of phylosymbiotic relationships in the microbial communities found in three body parts (skin, gills, and intestine) of seven wild fish species from four families (Labridae, Sebastidae, Sparidae, and Rajidae) via 16S rRNA gene amplicon sequencing. Fishes were purchased at Docheon port market in Tongyeong City, Korea and were transported to nearby research institutes for aliveness. Mantel tests using dissimilarity values of microbiomes and hosts' divergence times showed that the differences in microbial communities in all three body parts were related to the hosts' divergence time. This pattern was the most pronounced in the skin. Furthermore, fishes from the same family showed similar bacterial compositions on their skins and gills, with clear differences depending on the family, with the exception of Labridae. These results suggest that the skin microbiome is particularly vulnerable to evolutionary pressures. We hypothesized that the evolution of the fish immune system and the difference in feeding habits induced the stronger phylosymbiotic signal in the skin. Collectively, this dataset will be useful for understanding the fish microbiome and give insights into phylosymbiosis of aquatic animals across body parts. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00953628 |
| DOI: | 10.1007/s00248-024-02467-z |
