The Identification of Two Antibacterial Products of the Marine Planktonic Alga Isochrysis galbana

Bruce, Deborah; Duff, D. C. B.; Antia, N. J.

doi:10.1099/00221287-48-2-293

Cited by 31 publications

(13 citation statements)

References 7 publications

(5 reference statements)

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“…Similar to these fatty acids, aand c-linolenic acid also showed antibacterial activity towards methicillin-resistant Staphylococcus aureus (MRSA) (Ohta et al 1994). Other antibacterial compounds produced by microalgae include glycosides, terpenes (Seraspe et al 2005), polyunsaturated aldehydes (Ribalet et al 2008) and chlorophyll a derivatives (Bruce et al 1967). Whether the antibacterial activity of these compounds is limited to certain bacterial species or whether it is broad-spectrum remains to be investigated.…”

Section: Chlorella Vulgarismentioning

confidence: 99%

Significance of microalgal–bacterial interactions for aquaculture

Ikhsan

Bossier

Sorgeloos

et al. 2013

Reviews in Aquaculture

177

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Knowledge on the importance of associations between bacteria and microalgae in aquatic ecosystems is rather limited at the moment, mostly due to a lack of studies at the molecular and biochemical level of microorganisms. This paper discusses the current knowledge on microalgae-bacteria interactions and their potential impacts on the productivity, efficiency and sustainability of aquaculture. Current findings suggest that the interactions are complex and specific. The release of stimulatory products by bacteria that enhance the growth of microalgae, and vice versa, indicates the existence of mutualistic relations. Other factors, such as signalling between bacteria and microalgae, may also play an important role. Although these interactions may be of significant importance, to date, only a few findings have been reported on the use of consortia consisting of microalgae and bacteria for practical purposes. Interestingly, these results pointed out that a combination of microalgae and bacteria is often better than using either of them alone. Further research is needed to obtain a thorough understanding of the mechanisms behind the interactions between these microorganisms, including the identification of active compounds. This knowledge will enable the selection of appropriate consortia for different applications in aquaculture, including disease control and high and sustainable production of feed

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Section: Chlorella Vulgarismentioning

confidence: 99%

Significance of microalgal–bacterial interactions for aquaculture

Ikhsan

Bossier

Sorgeloos

et al. 2013

Reviews in Aquaculture

177

View full text Add to dashboard Cite

show abstract

“…1). The majority of these studies focused on the role of antibacterial substances in ecological interactions (Sieburth 1959;Burkholder et al 1960;Jorgensen & Nielsen 1961;Duff et al 1966;Bruce et al 1967;Ramamurthy 1970;Berland et al 1972). For example, Sieburth (1959) observed that a microalgal species from the Antarctic was able to release substances into the medium that reduced bacterial growth [Escherichia coli Migula (Castellani & Chalmers)] as well as modified the gastrointestinal flora of penguins that ingested the microalgae.…”

Section: Investigation Of Antibacterial Activity Of Microalgae -An Ovmentioning

confidence: 98%

“…Among the antibacterial compounds that have been identified from eukaryotic microalgae are acrylic acid (Sieburth 1960), fatty acids (Pratt et al 1944;Findlay & Patil 1984;Ohta et al 1994;Desbois et al 2008) and pigments such as carotenoids and chlorophylls and their derivatives (Bruce et al 1967;Bhagavathy et al 2011). The isolation and identification of compounds are extremely important to evaluate their novelty and effectiveness.…”

Section: Antibacterial Activity Of Eukaryotic Microalgaementioning

confidence: 99%

Cyanobacteria and eukaryotic microalgae as potential sources of antibiotics

2015

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Bacterial resistance to antibiotics is an issue receiving significant attention and highlights the urgent need for new classes of antibiotics. This has led to exploration for natural compounds from relatively unexplored microorganisms including microalgae. These photosynthetic organisms are extremely diverse and ubiquitous and have been shown to produce compounds that exhibit antibacterial activity against human pathogens. Their ability to survive in a wide range of environmental conditions and the possibility of culture condition manipulation for optimization of antibacterial compounds suggests that they have significant potential. However, only a few species have been so far investigated, and very few metabolites characterized. This review provides an overview of this research and illustrates the opportunity for significantly more systematic investigation of these microorganisms.

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“…Finally, Bruce et al . [190] also reported the isolation of two chlorophyll a derivatives, which are active against Gram-positive and Gram-negative marine bacteria.…”

Section: Unconventional Anti-infectivesmentioning

confidence: 99%

Conventional and Unconventional Antimicrobials from Fish, Marine Invertebrates and Micro-algae

2010

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All eukaryotic organisms, single-celled or multi-cellular, produce a diverse array of natural anti-infective agents that, in addition to conventional antimicrobial peptides, also include proteins and other molecules often not regarded as part of the innate defences. Examples range from histones, fatty acids, and other structural components of cells to pigments and regulatory proteins. These probably represent very ancient defence factors that have been re-used in new ways during evolution. This review discusses the nature, biological role in host protection and potential biotechnological uses of some of these compounds, focusing on those from fish, marine invertebrates and marine micro-algae.

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The Identification of Two Antibacterial Products of the Marine Planktonic Alga Isochrysis galbana

Cited by 31 publications

References 7 publications

Significance of microalgal–bacterial interactions for aquaculture

Significance of microalgal–bacterial interactions for aquaculture

Cyanobacteria and eukaryotic microalgae as potential sources of antibiotics

Conventional and Unconventional Antimicrobials from Fish, Marine Invertebrates and Micro-algae

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