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My group’s research efforts have focused on (i) microbial mediation of biogeochemical processes (particularly carbon cycling), (ii) food web interactions among microorganisms (bacteria, protozoans, algae and viruses), and (iii) and linking ecological function to specific microbial community members. Microbiological and chemical exchange processes through the water column and at oxic/anoxic, solid/water and air/water boundaries have been particular foci of our group.
Our holy grail has been to understand the role(s) of specific microbial populations across wide-ranging geochemical seascapes. Making such linkages improves inferences about the role of specific microorganisms discovered within massive genomic databases. To that end, we have built an exciting analytical service center within SoMAS - the NAno-Raman Molecular Imaging Laboratory (NARMIL), through NSF’s Major Research Instrumentation funding. NARMIL houses a novel, state-of-the-art Renishaw inVia confocal laser Raman microspectrophotometer which permits 3-D mapping of biomolecules, minerals, and synthetic materials, while also providing fluorescent, bright field and differential interference contrast (DIC) images. By combining SIP, phylogenetic FISH probes and Raman mapping, we determine identity of individual cells and their activity in assimilating isotopic labels. NARMIL also houses a Bruker Innova Atomic Force Microscope (AFM), which produces topographic images comparable to scanning electron microscopy, but under standard lab conditions. Coupling these instruments enables nanometer-scale chemical maps of specimen surfaces. NARMIL provides SoMAS with unique and powerful analytical tools with countless applications throughout the natural sciences, biomedicine, and engineering. We are enthusiastically exploring new research frontiers with these novel capabilities! For example, Raman microspectroscopy has enabled identification and quantification of microplastics (0.5-500 mm diameter) and microbial degradation in the ocean. This technology has also allowed us to measure single-cell growth rates of heterotrophic and autotrophic microorganisms. To learn more about our facility, please visit: http://you.stonybrook.edu/nanoraman/.
Research Interests
Papers共 161 篇Author StatisticsCo-AuthorSimilar Experts
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Microorganismsno. 5 (2024): 929
Kang Soo Lee,Zachary Landry,Awais Athar,Uria Alcolombri, Pratchaya Pramoj Na Ayutthaya,David Berry,Philippe de Bettignies,Ji-Xin Cheng, Gabor Csucs,Li Cui,Volker Deckert, Thomas Dieing,
Nature microbiologyno. 5 (2024): 1152-1156
ENVIRONMENTAL MICROBIOLOGYno. 1 (2024): e16563-e16563
M. Drake, J. Worthington, J. Frost, E. Sanderson,N. Cotterill, M. Fader, H. Hashim,M. Macaulay,J. Rees, L. Robles,G. Taylor,J. Taylor,
European Urology Open Science (2023): S26-S26
LIMNOLOGY AND OCEANOGRAPHYno. 1 (2023): 232-247
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