ArticleJournal of experimental botany2020
Macroalgal-bacterial interactions: identification and role of thallusin in morphogenesis of the seaweed Ulva (Chlorophyta).
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed, 103 citations in OpenAlex.
- Mariculture Probiotics: A Scoping Review of Research Trends, Knowledge Gaps and Opportunities.Marine biotechnology (New York, N.Y.) · 2026Article
- Not All Children Are the Same: Differences in the Microbiome Assembly During Early Development of Seaweeds.Environmental microbiology · 2026Article
- Large-Scale Microbiome Profiling of Brown Algae Identifies a SpecificJournal of microbiology and biotechnology · 2026Article
- Marine Rhodobacterales as Drivers of Ulva Growth: From Macroalgal-Bacterial Interactions to Bioactive Factor Enrichment.Journal of chemical ecology · 2026Article
- Epigenetic Regulation Links Bacterial Signaling to Growth and Reproductive Development in the Green Macroalga Ulva compressa (Chlorophyta).Marine biotechnology (New York, N.Y.) · 2026Article
- Genomic and functional characterization of Pseudosulfitobacter pseudonitzschiae BPC-C4-2: a growth-promoting symbiont in Antarctic Ulva communities.BMC genomics · 2026Article
- Microbial dynamics along nutrient flow and removal in an integrated multitrophic aquaculture system.Frontiers in microbiology · 2026Article
- Culturable yeasts associated to different life stages of the farmed red seaweedFrontiers in microbiology · 2026Article
- Ruegeria strains promote growth and morphogenesis of the giant coenocytic alga Bryopsis.Journal of experimental botany · 2025Article
- Identifying potential keystone bacterial species within the phycosphere of marine algae and unveiling their metabolic characteristics.Marine life science & technology · 2025Article
- An experimental test of the influence of microbial manipulation on sugar kelp (Applied and environmental microbiology · 2025Article
- Biodegradation of Xenoestrogens by the Green Tide Forming SeaweedACS ES&T water · 2025Article
- Bacterial Supplements Significantly Improve the Growth Rate of Cultured Asparagopsis armata.Marine biotechnology (New York, N.Y.) · 2025Article
- Prokaryotic community structure and auxin biosynthesis in early developmental stages of farmed Atlantic Nori (Frontiers in microbiology · 2025Article
- Drivers of seasonal dynamics inCurrent research in microbial sciences · 2025Article
- Epiphytic microbiome associated with intertidal seaweeds in the Mediterranean Sea: comparative analysis of bacterial communities across seaweed phyla.Scientific reports · 2024Article
- Functional prediction based on 16S rRNA metagenome data from bacterial microbiota associated with macroalgae from the Peruvian coast.Scientific reports · 2024Article
- Exploring Seaweed-Associated Marine Microbes: Growth Impacts and Enzymatic Potential for Sustainable Resource Utilization.Indian journal of microbiology · 2024Article
- Exchange or Eliminate: The Secrets of Algal-Bacterial Relationships.Plants (Basel, Switzerland) · 2024Review
- Functional guilds and drivers of diversity in seaweed-associated bacteria.FEMS microbes · 2024Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Macroalgal microbiomes have core functions related to biofilm formation, growth, and morphogenesis of seaweeds. In particular, the growth and development of the sea lettuce Ulva spp. (Chlorophyta) depend on bacteria releasing morphogenetic compounds. Under axenic conditions, the macroalga Ulva mutabilis develops a callus-like phenotype with cell wall protrusions. However, co-culturing with Roseovarius sp. (MS2) and Maribacter sp. (MS6), which produce various stimulatory chemical mediators, completely recovers morphogenesis. This ecological reconstruction forms a tripartite community which can be further studied for its role in cross-kingdom interactions. Hence, our study sought to identify algal growth- and morphogenesis-promoting factors (AGMPFs) capable of phenocopying the activity of Maribacter spp. We performed bioassay-guided solid-phase extraction in water samples collected from U. mutabilis aquaculture systems. We uncovered novel ecophysiological functions of thallusin, a sesquiterpenoid morphogen, identified for the first time in algal aquaculture. Thallusin, released by Maribacter sp., induced rhizoid and cell wall formation at a concentration of 11 pmol l-1. We demonstrated that gametes acquired the iron complex of thallusin, thereby linking morphogenetic processes with intracellular iron homeostasis. Understanding macroalgae-bacteria interactions permits further elucidation of the evolution of multicellularity and cellular differentiation, and development of new applications in microbiome-mediated aquaculture systems.
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