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Glowing wonders: exploring the diversity and ecological significance of bioluminescent organisms in Brazil.
Photochem Photobiol Sci
July 2024
Instituto de Recursos Naturais (IRN), Universidade Federal de Itajubá (UNIFEI), Itajubá, MG, Brazil.
Bioluminescence, the emission of light by living organisms, is a captivating and widespread phenomenon with diverse ecological functions. This comprehensive review explores the biodiversity, mechanisms, ecological roles, and conservation challenges of bioluminescent organisms in Brazil, a country known for its vast and diverse ecosystems. From the enchanting glow of fireflies and glow-in-the-dark mushrooms to the mesmerizing displays of marine dinoflagellates and cnidarians, Brazil showcases a remarkable array of bioluminescent species.
View Article and Find Full Text PDFExploring the Light-Emitting Agents in Luciferases by an Effective QM/MM Approach.
J Am Chem Soc
May 2024
Department of Chemistry, University of Southern California, Los Angeles, California 90089-1062, United States.
Bioluminescence is a fascinating natural phenomenon, wherein organisms produce light through specific biochemical reactions. Among these organisms, luciferase (RLuc) derived from the sea pansy is notable for its blue light emission and has potential applications in bioluminescent tagging. Our study focuses on RLuc8, a variant of RLuc with eight amino acid substitutions.
View Article and Find Full Text PDFEvolution of bioluminescence in Anthozoa with emphasis on Octocorallia.
Proc Biol Sci
April 2024
Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.
Article Synopsis
- Bioluminescence has evolved independently in various species and ecosystems, especially in marine environments where it serves communication and defense purposes.
- The study focuses on bioluminescent Anthozoa, a diverse group of sea organisms, documenting their presence across different water depths and investigating the evolutionary history of bioluminescence in Octocorallia.
- Results indicate a single origin of bioluminescence in Octocorallia around 540 million years ago, suggesting this trait helped enhance the diversification of these organisms in deep-sea habitats.
Deciphering temporal gene expression dynamics in multiple coral species exposed to heat stress: Implications for predicting resilience.
Sci Total Environ
February 2024
State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China. Electronic address:
Coral reefs are facing unprecedented threats due to global climate change, particularly elevated sea surface temperatures causing coral bleaching. Understanding coral responses at the molecular level is crucial for predicting their resilience and developing effective conservation strategies. In this study, we conducted a comprehensive gene expression analysis of four coral species to investigate their long-term molecular response to heat stress.
View Article and Find Full Text PDFWater-Soluble Polymer Polyethylene Glycol: Effect on the Bioluminescent Reaction of the Marine Coelenterate Obelia and Coelenteramide-Containing Fluorescent Protein.
Int J Mol Sci
March 2023
Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia.
The current paper considers the effects of a water-soluble polymer (polyethylene glycol (PEG)) on the bioluminescent reaction of the photoprotein obelin from the marine coelenterate and the product of this bioluminescent reaction: a coelenteramide-containing fluorescent protein (CCFP). We varied PEG concentrations (0-1.44 mg/mL) and molecular weights (1000, 8000, and 35,000 a.
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