Diversity of epiphytic bacterial communities on male and female Porphyra haitanensis

Yang, Zhibo; Shang, Shuai; Wang, Jing; Xue, Song; Tang, Xuexi; Xiao, Hui

doi:10.1186/s13213-022-01675-7

Cited by 6 publications

(5 citation statements)

References 21 publications

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“…The results indicated that sex did not greatly affect epiphytic bacterial communities on S. thunbergii . The same result was observed in marine macroalga Agarophyton vermiculophyllum (Bonthond et al 2020 ) and P. haitanensis (Yang et al 2022 ) that showed the sex had only a negligible, statistically insignificant impact on the bacterial composition. However, we found that the relative abundance of some genera, indicative species, specific bacteria and predicted functions of epiphytic bacteria were different between male and female S. thunbergii .…”

Section: Discussionsupporting

confidence: 70%

“…The differences of epiphytic bacteria on dioecious higher plants are better known; for example, the epiphytic bacterial communities in Populus cathayana rhizospheres differ between the sexes (Liu et al 2020 ). Additionally, some bacteria were differentially enriched on the male and female Porphyra haitanensis (Yang et al 2022 ). Epiphytic and specific bacterial communities associated with the sex of the macroalgae need further research.…”

Section: Introductionmentioning

confidence: 99%

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Diversity of epiphytic bacterial communities on male and female Sargassum thunbergii

et al. 2022

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The epiphytic bacteria are the most abundant microorganisms on marine macroalga. However, there are few studies on the distribution of these epiphytic bacteria on male and female Sargassum thunbergii. In this study, the composition and diversity of epiphytic bacterial communities on male and female S. thunbergii were investigated by using the traditional culture-based method and 16S rDNA high-throughput sequencing. The results showed that the dominant bacterial phyla and genera were the same on both male and female S. thunbergii. However, there were significant differences in the relative abundance of epiphytic bacteria at the genus level. Furthermore, male and female S. thunbergii had their own indicative species and specific bacteria. In addition, the predicted functions of the epiphytic bacteria mainly differed in transport and metabolism, environmental adaptation and spore development. This study enriches the baseline knowledge of epiphytic bacteria related to dioecious algae and paves the way for further studies of the relationships between epiphytic microbial communities and the sex of algae.

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Section: Discussionsupporting

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Diversity of epiphytic bacterial communities on male and female Sargassum thunbergii

et al. 2022

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“…The influence of host plant sex on epiphytic bacterial communities has been verified in the higher plant Populus cathayana ( Liu et al, 2021 ). Additionally, some bacteria were differentially enriched on the male and female Porphyra haitanensis ( Yang et al, 2022 ). This study detected the differences in the diversity, specific taxa, and indicator species of the epiphytic bacterial communities, verifying that sex was a driving factor in the construction of the epiphytic bacterial community of S. thunbergii and its reproductive tissues.…”

Section: Discussionmentioning

confidence: 99%

“…Bacterial communities of interleaf microorganisms of the higher plant Populus cathayana have been found to be influenced by sex ( Liu et al, 2021 ), with significant differences in the relative abundance at the genus level. Similarly, epiphytic bacterial communities of Porphyra haitanensis were also found to be influenced by the sex of the host plant ( Yang et al, 2022 ). However, there have been few studies related to dioecious macroalgae.…”

Section: Introductionmentioning

confidence: 99%

Sex plays a role in the construction of epiphytic bacterial communities on the algal bodies and receptacles of Sargassum thunbergii

Wang

Li²,

Yang³

et al. 2022

Front. Microbiol.

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The community structures of epiphytic bacteria on the surface of macroalgae are closely related to their host algae, but there is a lack of research on the differences between the epiphytic bacterial communities of male and female algae and their reproductive tissues. In this study, high-throughput sequencing was used to compare epiphytic bacterial community structures on the intertidal macroalgae Sargassum thunbergii and their receptacles between male and female samples. The epiphytic bacteria on the male and female algal bodies and receptacles had similar community structures with a large number of shared bacteria, but the samples clearly clustered separately, and the abundances of dominant taxa, specific bacteria, and indicator species differed, indicating that epiphytic bacterial communities differed significantly between the male and female S. thunbergii and their receptacles. In addition, the abundance of many predicted functional genes was significantly different between epiphytic bacteria on male and female algal bodies and receptacles, especially metabolism-related genes, and the abundances of predicted functional genes of epiphytic bacteria were significantly higher on both types of male samples than on female samples. Our study confirmed that the sex of the host algae influenced the epiphytic bacterial community structures on algae and algal reproductive tissues, and this role was mainly related to the host metabolism. The results reveal the role of host plant sex in the formation of epiphytic bacterial communities. These findings are helpful for obtaining an in-depth understanding of the construction mechanism of algae-associated bacteria.

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“…In fact, sex can lead to differences in the morphology, structure and function of dioecious plants (Tang, 2020;Lu et al, 2021;Zeng et al, 2022), and there are also some differences in enzyme activity (Chen et al, 2020), secondary metabolites (Li et al, 2022) and endogenous hormone levels (Ge et al, 2021), but there have been few studies on sex differences in endophytic bacteria in plants. Some studies have revealed differences in epiphytic bacterial communities in plants of different sexes, such as in Populus cathayana (Liu et al, 2021), Sargassum thunbergii (Wang et al, 2022b), and Porphyra haitanensis (Yang et al, 2022). However, for marine macroalgae, whether sex has an impact on the assembly of endophytic bacterial communities is still unknown.…”

Section: Introductionmentioning

confidence: 99%

The host sex contributes to the endophytic bacterial community in Sargassum thunbergii and their receptacles

Zhao,

Sun,

et al. 2024

Front. Microbiol.

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Endophytic bacteria have a complex coevolutionary relationship with their host macroalgae. Dioecious macroalgae are important producers in marine ecosystems, but there is still a lack of research on how sex influences their endophytic bacteria. In this study, the endophytic bacterial communities in male and female S. thunbergii and their reproductive tissues (receptacles) were compared using culture methods and high-throughput sequencing. The endophytic bacterial communities detected by the two methods were different. Among the 78 isolated strains, the dominant phylum, genus, and species were Bacillota, Alkalihalobacillus, and Alkalihalobacillus algicola, respectively, in the algal bodies, while in the receptacles, they were Bacillota, Vibrio, and Vibrio alginolyticus. However, 24 phyla and 349 genera of endophytic bacteria were identified by high-throughput sequencing, and the dominant phylum and genus were Pseudomonadota and Sva0996_ Marine_ Group, respectively, in both the algal body and the receptacles. The two methods showed similar compositions of endophytic bacterial communities between the samples of different sexes, but the relative abundances of dominant and specific taxa were different. The high-throughput sequencing results showed more clearly that the sex of the host alga had an effect on its endophyte community assembly and a greater effect on the endophytic bacterial community in the receptacles. Moreover, most specific bacteria and predicted functional genes that differed between the samples from the males and females were related to metabolism, suggesting that metabolic differences are the main causes of sex differences in the endophytic bacterial community. Our research is the first to show that host sex contributes to the composition of endophytic bacterial communities in dioecious marine macroalgae. The results enrich the database of endophytic bacteria of dioecious marine macroalgae and pave the way for better understanding the assembly mechanism of the endophytic bacterial community of algae.

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Diversity of epiphytic bacterial communities on male and female Porphyra haitanensis

Cited by 6 publications

References 21 publications

Diversity of epiphytic bacterial communities on male and female Sargassum thunbergii

Diversity of epiphytic bacterial communities on male and female Sargassum thunbergii

Sex plays a role in the construction of epiphytic bacterial communities on the algal bodies and receptacles of Sargassum thunbergii

The host sex contributes to the endophytic bacterial community in Sargassum thunbergii and their receptacles

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