Theoretical Insight into the Emission Properties of the Luciferin and Oxyluciferin of Latia

Mohan Yu, Yoshihiro Ohmiya, Pance Naumov, Ya Jun Liu

Research output: Contribution to journalArticle

Abstract

Latia neritoides is a small limpet-like snail that produces a bright green bioluminescence (BL) via a unique light-emitting system. The process, mechanism, and even light emitter of its light emission remain unknown, although this BL has been known for decades. Unlike the other BL systems, neither the luciferin (Luc) nor the oxyluciferin (OxyLuc) of Latia is fluorescent according to the previous experiments. To help to identify its bioluminophore, we studied the geometrical and electronic structures and absorption and fluorescence spectra of Latia Luc and its six analogs as well as its OxyLuc in the gas phase and in water. The calculated results provide clear evidence of the lack of fluorescence in the Luc and OxyLuc of Latia. For the analogs of Latia Luc, the electron-withdrawing or electron-donating ability of the substituted group affects the fluorescence. The results shed new light on the BL mechanism and will likely aid the understanding of Latia BL.

Original languageEnglish (US)
Pages (from-to)540-544
Number of pages5
JournalPhotochemistry and Photobiology
Volume94
Issue number3
DOIs
StatePublished - May 1 2018

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Bioluminescence
bioluminescence
Fluorescence
Light
Electrons
fluorescence
Snails
snails
analogs
Gases
Light emission
Water
Electronic structure
light emission
emitters
electrons
oxyluciferin
vapor phases
electronic structure
absorption spectra

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry

Cite this

Theoretical Insight into the Emission Properties of the Luciferin and Oxyluciferin of Latia. / Yu, Mohan; Ohmiya, Yoshihiro; Naumov, Pance; Liu, Ya Jun.

In: Photochemistry and Photobiology, Vol. 94, No. 3, 01.05.2018, p. 540-544.

Research output: Contribution to journalArticle

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