ArticleMicrobiome2022
Spatial organization of the kelp microbiome at micron scales.
Article in Microbiome, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 51 citations in OpenAlex.
- Social lives of bacteria as revealed through CLASI-FISH.Essays in biochemistry · 2026Review
- Molecular rotors reveal the 3D viscous habitat of mucus-colonizing bacteria.Nature communications · 2026Article
- Experimental evidence for early bacterial inheritance in the giant kelp, Macrocystis pyrifera.FEMS microbiology ecology · 2026Article
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- Ephemeral signatures of phylosymbiosis in dermal microbiomes within the requiem shark family (Carcharhinidae).Access microbiology · 2026Article
- Integrated holobiont responses of the Antarctic brown seaweedISME communications · 2026Article
- Oxygen-tolerant nitrogen fixation in a marine alga-colonizingApplied and environmental microbiology · 2025Article
- Foundational kelp species reveal links between host traits, the environment and the associated microbial community.Royal Society open science · 2025Article
- A red algal polysaccharide influences the multicellular development of the choanoflagellate Salpingoeca rosetta.Current biology : CB · 2025Article
- Natural Kelp (Gels (Basel, Switzerland) · 2025Article
- Evolutionary history and association with seaweeds shape the genomes and metabolisms of marine bacteria.mSphere · 2025Article
- Year-Round Quantification, Structure and Dynamics of Epibacterial Communities From Diverse Macroalgae Reveal a Persistent Core Microbiota and Strong Host Specificities.Environmental microbiology reports · 2025Article
- Warming Seawater Temperature and Nutrient Depletion Alters Microbial Community Composition on a Foundational Canopy Kelp Species.Environmental microbiology · 2025Article
- Characterization, Bio-Prospection, and Comparative Metagenomics of Bacterial Communities Revealing the Predictive Functionalities in Wild and Cultured Samples of Industrially Important Red Seaweed Gracilaria dura.Current microbiology · 2025Article
- Improved Visualization of Oral Microbial Consortia.Journal of dental research · 2024Article
- [Advances in nanostructured surfaces for enhanced mechano-bactericidal applications].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2024Review
- Bacteria on the foundational kelp in kelp forest ecosystems: Insights from culturing, whole genome sequencing and metabolic assays.Environmental microbiology reports · 2024Article
- Article
- Why biofouling cannot contribute to the vertical transport of small microplastic.Microplastics and nanoplastics · 2024Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundElucidating the spatial structure of host-associated microbial communities is essential for understanding taxon-taxon interactions within the microbiota and between microbiota and host. Macroalgae are colonized by complex microbial communities, suggesting intimate symbioses that likely play key roles in both macroalgal and bacterial biology, yet little is known about the spatial organization of microbes associated with macroalgae. Canopy-forming kelp are ecologically significant, fixing teragrams of carbon per year in coastal kelp forest ecosystems. We characterized the micron-scale spatial organization of bacterial communities on blades of the kelp Nereocystis luetkeana using fluorescence in situ hybridization and spectral imaging with a probe set combining phylum-, class-, and genus-level probes to localize and identify > 90% of the microbial community.
resultsWe show that kelp blades host a dense microbial biofilm composed of disparate microbial taxa in close contact with one another. The biofilm is spatially differentiated, with clustered cells of the dominant symbiont Granulosicoccus sp. (Gammaproteobacteria) close to the kelp surface and filamentous Bacteroidetes and Alphaproteobacteria relatively more abundant near the biofilm-seawater interface. A community rich in Bacteroidetes colonized the interior of kelp tissues. Microbial cell density increased markedly along the length of the kelp blade, from sparse microbial colonization of newly produced tissues at the meristematic base of the blade to an abundant microbial biofilm on older tissues at the blade tip. Kelp from a declining population hosted fewer microbial cells compared to kelp from a stable population.
conclusionsImaging revealed close association, at micrometer scales, of different microbial taxa with one another and with the host. This spatial organization creates the conditions necessary for metabolic exchange among microbes and between host and microbiota, such as provisioning of organic carbon to the microbiota and impacts of microbial nitrogen metabolisms on host kelp. The biofilm coating the surface of the kelp blade is well-positioned to mediate interactions between the host and surrounding organisms and to modulate the chemistry of the surrounding water column. The high density of microbial cells on kelp blades (10
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.