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NATURE REVIEWS MICROBIOLOGY
卷 -, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41579-023-00975-2
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The cycling of major nutrients in the ocean is influenced by large-scale phytoplankton blooms, which are hot spots of microbial life. Microbial interactions, mediated by chemical crosstalk, play a crucial role in determining the type and outcome of these interactions. These interactions between microorganisms and algae are dependent on the environmental context.
The cycling of major nutrients in the ocean is affected by large-scale phytoplankton blooms, which are hot spots of microbial life. Diverse microbial interactions regulate bloom dynamics. At the single-cell level, interactions between microorganisms are mediated by small molecules in the chemical crosstalk that determines the type of interaction, ranging from mutualism to pathogenicity. Algae interact with viruses, bacteria, parasites, grazers and other algae to modulate algal cell fate, and these interactions are dependent on the environmental context. Recent advances in mass spectrometry and single-cell technologies have led to the discovery of a growing number of infochemicals - metabolites that convey information - revealing the ability of algal cells to govern biotic interactions in the ocean. The diversity of infochemicals seems to account for the specificity in cellular response during microbial communication. Given the immense impact of algal blooms on biogeochemical cycles and climate regulation, a major challenge is to elucidate how microscale interactions control the fate of carbon and the recycling of major elements in the ocean. In this Review, we discuss microbial interactions and the role of infochemicals in algal blooms. We further explore factors that can impact microbial interactions and the available tools to decipher them in the natural environment. In this Review, Vardi and colleagues examine the different microbial interactions that modulate algal blooms in the ocean, discuss the role of microbial chemicals in mediating such interactions and explore the latest technological developments aimed at deepening our understanding of cellular communication in the ocean.
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