« Previous AbstractEffects of phosphorus sources on volatile organic compound emissions from Microcystis flos-aquae and their toxic effects on Chlamydomonas reinhardtii    Next AbstractChemoreception of the Seagrass Posidonia Oceanica by Benthic Invertebrates is Altered by Seawater Acidification »

Front Microbiol

Title:		Emission of cyanobacterial volatile organic compounds and their roles in blooms
Author(s):		Zuo Z;
Address:		"Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-Based Healthcare Functions, Zhejiang A&F University, Hangzhou, China. State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China"
Journal Title:		Front Microbiol
Year:		2023
Volume:		20230220
Issue:
Page Number:		1097712 -
DOI:		10.3389/fmicb.2023.1097712
ISSN/ISBN:		1664-302X (Print) 1664-302X (Electronic) 1664-302X (Linking)
Abstract:		"Cyanobacteria are photosynthetic prokaryotes and one of dominant species in eutrophicated waters, which easily burst blooms in summer with high irradiance and temperature conditions. In response to high irradiance, high temperature, and nutrient conditions, cyanobacteria release abundant of volatile organic compounds (VOCs) by up-regulating related gene expression and oxidatively degrading beta-carotene. These VOCs not only increase offensive odor in waters, but also transfer allelopathic signals to algae and aquatic plants, resulting in cyanobacteria dominating eutrophicated waters. Among these VOCs, beta-cyclocitral, alpha-ionone, beta-ionone, limonene, longifolene, and eucalyptol have been identified as the main allelopathic agents, which even directly kill algae by inducing programmed cell death (PCD). The VOCs released from cyanobacteria, especially the ruptured cells, exhibit repelling effects on the herbivores, which is beneficial to survival of the population. Cyanobacterial VOCs might transfer aggregating information among homogeneous species, so the acceptors initiate aggregation to resist the coming stresses. It can be speculated that the adverse conditions can promote VOC emission from cyanobacteria, which play important roles in cyanobacteria dominating eutrophicated waters and even bursting blooms"
Keywords:		allelopathic effect cyanobacterial blooms repelling herbivore transferring information volatile organic compounds;
Notes:		"PubMed-not-MEDLINEZuo, Zhaojiang eng Review Switzerland 2023/03/10 Front Microbiol. 2023 Feb 20; 14:1097712. doi: 10.3389/fmicb.2023.1097712. eCollection 2023"