Exploring Morphological and Biochemical Linkages in Fungal Growth with Label-Free Light Sheet Microscopy and Raman Spectroscopy

Soumik Siddhanta, Santosh Kumar Paidi, Kathryn Bushley, Ram Prasad, Ishan Barman

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Imaging tip growth in fungal hyphae is highly warranted to unravel the molecular mechanism of this extraordinarily precise and localized phenomenon. In situ probing of fungal cultures, however, have been challenging due to their inherent complexity and light penetration issues associated with conventional optical imaging. In this work, we report a label-free approach using a combination of light sheet microscopy and Raman spectroscopy to obtain concomitant morphological and biochemical information from the growing specimen. We show that the variance in morphology in the symbiotic fungus Piriformospora indica are rooted in the underlying differences in chemical composition in the specific growth zones. Our findings suggest that this potent two-pronged approach can comprehensively characterize growth areas and elucidate microbe interactions in still developing colonies with high sensitivity and multiplexing capability.

Original languageEnglish (US)
Pages (from-to)72-78
Number of pages7
JournalChemPhysChem
Volume18
Issue number1
DOIs
StatePublished - Jan 4 2017

Keywords

  • label-free imaging
  • light sheet fluorescence microscopy
  • partial least squares-discriminant analysis
  • piriformospora indica
  • surface-enhanced Raman spectroscopy

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