LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection

Effect of Hydrogen Peroxide on Cyanobacterial Biofilms (Romeriopsis sp. LEGE 11469 and cf. Phormidesmis sp. LEGE 10370 from )!

Effect of Hydrogen Peroxide on Cyanobacterial Biofilms Although a range of disinfecting formulations is commercially available, hydrogen peroxide is one of the safest chemical agents used for disinfection in aquatic environments. However, its effect on cyanobacterial biofilms is poorly investigated. In this work, biofilm formation by two filamentous cya...

*SAVE THE DATE* 17th September 2023 from and will participate on the in association with Come and visit us Sunday!🦠

Bioprospecting for industrially relevant exopolysaccharide-producing cyanobacteria under Portuguese simulated climate from
LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection strains.

Bioprospecting for industrially relevant exopolysaccharide-producing cyanobacteria under Portuguese simulated climate - Scientific Reports Cyanobacterial exopolysaccharides (EPS) are potential candidates for the production of sustainable biopolymers. Although the bioactive and physicochemical properties of cyanobacterial-based EPS are attractive, their commercial exploitation is limited by the high production costs. Bioprospecting and....

Novo artigo sobre o CIIMAR / CIMAR Associate Laboratory no Portusonline.

CIIMAR, a Research Center in the Heart of Matosinhos and the Port of Leixões - PORTUS O Centro Interdisciplinar de Investigação Marinha e Ambiental – CIIMAR é um centro de investigação privado, sem fins lucrativos, com fortes ligações à

CIIMAR / CIMAR Associate Laboratory no Portusonline

https://portusonline.org/science-and-innovation-in-the-sea-of-matosinhos/?fbclid=IwAR11QO3_gD0p9_avt5ShXJoE7cwXwG4QbIlgGYwvu8WzNuPz9-QvPJD7iIk

Science and Innovation in the Sea of Matosinhos - PORTUS As florestas de algas marinhas, ou florestas marinhas, são um componente crítico dos ecossistemas vegetados submersos nas águas costeiras em todo o mundo,

No dia 17 de Setembro 2023, como é nosso habitual, iremos estar presentes no Dia Aberto do CIIMAR. Visitas guiadas à nossa coleção de cianobactérias e microalgas, jogos para crianças e explicação do trabalho realizado diariamente pelos nossos investigadores, são algumas das atividades que teremos disponíveis. 🧬🧪🧫🦠🔬

On September 17th 2023, as usually, we will be participating at CIIMAR Open Day. Guided tours to our cyanobacteria and microalgae culture collection, games for children, and explanations of the daily work carried out by our researchers are some of the activities we will have available. 🧬🧪🧫🦠🔬

📣Marquem nos vossos calendários! O Dia Aberto do CIIMAR está de volta! 🔬🌊

No dia 17 de setembro 2023, o CIIMAR / CIMAR Associate Laboratory abrirá as suas portas ao público, celebrando mais uma edição do tão esperado Dia Aberto do CIIMAR!

Preparem-se para embarcar numa viagem pelo mundo da ciência marinha e ambiental, onde os nossos investigadores sairão dos seus laboratórios para partilhar a sua paixão pela ciência. Desde demonstrações científicas até atividades artísticas, este evento oferece a oportunidade perfeita para explorar o mundo aquático que nos rodeia.

Junte-se a nós e mergulhe num dia repleto de descobertas e diversão! 😀

A entrada é livre das 10h às 19h!

Mais informações: https://www2.ciimar.up.pt/events.php?id=447

Best wishes for a Merry Christmas and a Happy New Year!☃️🍾🍭🎉🎅🧑‍🎄🤶

How do Graphene Composite Surfaces Affect the Development and Structure of Marine Cyanobacterial Biofilms? https://www.mdpi.com/1957186 via Coatings MDPI

How do Graphene Composite Surfaces Affect the Development and Structure of Marine Cyanobacterial Biofilms? The progress of nanotechnology has prompted the development of novel marine antifouling coatings. In this study, the influence of a pristine graphene nanoplatelet (GNP)-modified surface in cyanobacterial biofilm formation was evaluated over a long-term assay using an in vitro platform which mimics t...

Cosmetic Application of Cyanobacteria Extracts with a Sustainable Vision to Skincare: Role in the Antioxidant and Antiaging Process https://mdpi.com/1983582 via
Marine Drugs MDPI

Cosmetic Application of Cyanobacteria Extracts with a Sustainable Vision to Skincare: Role in the Antioxidant and Antiaging Process Nature-based and sustainably sourced cosmetics have been dominating the area of skincare products worldwide. Due to their antioxidant and antiaging properties, compounds from cyanobacteria, such as carotenoids and phycobiliproteins, may replace synthetic ingredients in cosmetic formulations and may....

Zarconia navalis gen. nov., sp. nov., Romeriopsis navalis gen. nov., sp. nov. and Romeriopsis marina sp. nov., isolated from inter- and subtidal environments from northern Portugal

Zarconia navalis gen. nov., sp. nov., Romeriopsis navalis gen. nov., sp. nov. and Romeriopsis marina sp. nov., isolated from inter- and subtidal environments from northern Portugal | Microbiology Society The morphology, 16S rRNA gene phylogeny and 16S–23S rRNA gene ITS secondary structures of three strains of marine Cyanobacteria, isolated from inter- and subtidal environments from north Portugal were studied, resulting in the description of Zarconia navalis gen. nov., sp. nov. (Oscillatoriales in...

Hydrodynamic conditions affect the proteomic profile of marine biofilms formed by filamentous cyanobacterium. In this work the strain Toxifilum sp. LEGE 06021, deposited at LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection was used.

Hydrodynamic conditions affect the proteomic profile of marine biofilms formed by filamentous cyanobacterium - npj Biofilms and Microbiomes Proteomic studies on cyanobacterial biofilms can be an effective approach to unravel metabolic pathways involved in biofilm formation and, consequently, obtain more efficient biofouling control strategies. Biofilm development by the filamentous cyanobacterium Toxifilum sp. LEGE 06021 was evaluated o...

Yesterday 12th of October was the World Algae day! The objective of this day is to raise public awareness on the fundamental role of algae and their increasing importance in our lives.

Happy

Discovery and Heterologous Expression of Microginins from Microcystis aeruginosa LEGE 91341, a strain deposited and available LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection!

Discovery and Heterologous Expression of Microginins from Microcystis aeruginosa LEGE 91341 Microginins are a large family of cyanobacterial lipopeptide protease inhibitors. A hybrid polyketide synthase/non-ribosomal peptide synthetase biosynthetic gene cluster (BGC) found in several microginin-producing strains─mic─was proposed to encode the production of microginins, based on bioinfo...

LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection will be present on September 18 from 10am to 7pm at ! Come and visit us at Porto Cruise Terminal! We will have visits to the collection, games and a lot of information about the research that we do!

LEGE-CC on Twitter “ will be present on September 18 from 10am to 7pm at ! Come and visit us at Porto Cruise Terminal! We will have visits to the collection, games and a lot of information about the research that we do! ”

New work using Nodularia sp. LEGE 06071, a strain deposit at
LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection. 🧪🦠

Biosynthesis of the Unusual Carbon Skeleton of Nocuolin A Nocuolin A is a cytotoxic cyanobacterial metabolite that is proposed to be produced by enzymes of the noc biosynthetic gene cluster. Nocuolin A features a 1,2,3-oxadiazine moiety, a structural feature unique among natural products and, so far, inaccessible through organic synthesis, suggesting that....

Cosmetic Potential of Pigments Extracts from the Marine Cyanobacterium Cyanobium sp. LEGE 06113, a strain deposited at
LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection

Cosmetic Potential of Pigments Extracts from the Marine Cyanobacterium Cyanobium sp. The current mindset in the cosmetics market about sustainable ingredients had increased the search for new sources of natural active ingredients. Cyanobacteria are a great source of functional ingredients for cosmetics, as a producer of pigments with described bioactive potential (carotenoids and ph...

New paper using Phormidium sp. LEGE 05292 and other Microcystis strains deposit at LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection. Congrats Ángela and all the team!🧪🦠 https://link.springer.com/article/10.1007/s10750-022-04926-5

Phormidium sp. allelochemicals induce the collapse of large populations of different genotypes of Microcystis aeruginosa - Hydrobiologia In the present study, we aimed to demonstrate that allelopathic compounds from the cyanobacterium Phormidium sp. can induce the collapse of large populations of the cyanobacteria Microcystis aeruginosa Kützing Kützing. We employed several strains of this toxic cyanobacteria, from six different loc...

This week LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection CNP lab and BBE from CIIMAR / CIMAR Associate Laboratory did a joint expedition through Alentejo and Algarve coast to collect cyanobacteria under the scope of the Atlantida project. 🦠

New preprint about the discovery of 12 new microginins from Microcystis aeruginosa LEGE 91341, a strain that is deposit in our collection! 🧪🦠

Discovery and heterologous expression of microginins from Microcystis aeruginosa LEGE 91341 Microginins are a large family of cyanobacterial lipopeptide protease inhibitors. A hybrid polyketide synthase (PKS)/non-ribosomoal peptide synthetase (NRPS) biosynthetic gene cluster (BGC) found in several microginin-producing strains – mic – was proposed to encode the production of microginins...

A new paper using LEGE-CC cyanobacterial strains as source of metabolites for cosmetics.

Cyanobacteria Secondary Metabolites as Biotechnological Ingredients in Natural Anti-Aging Cosmetics: Potential to Overcome Hyperpigmentation, Loss of Skin Density and UV Radiation-Deleterious Effects The loss of density and elasticity, the appearance of wrinkles and hyperpigmentation are among the first noticeable signs of skin aging. Beyond UV radiation and oxidative stress, matrix metalloproteinases (MMPs) assume a preponderant role in the process, since their deregulation results in the degra...

Preprint from that uses Desmonostoc muscorum LEGE 12446 deposited at LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection as source to find new lipoglycopeptides (desmamides). Great work and team!

Structure and biosynthesis of desmamides A-C, lipoglycopeptides from the endophytic cyanobacterium Desmonostoc muscorum LEGE 12446 Certain cyanobacteria of the secondary metabolite-rich order Nostocales can establish permanent symbioses with a large number of cycads, by accumulating in their coralloid roots and shifting their metabolism to dinitrogen fixa-tion. Here, we report the discovery of two novel lipoglycopeptides, desma...

Vitor Vasconcelos, diretor do e coordenador da foi o convidado do primeiro episódio do novo podcast do CIIMAR ! 🧪

www2.ciimar.up.pt Acede ao Ep. 1 do Podcast

A LEGE-CC deseja a todos um ótimo Natal e uma excelente entrada em 2022! ☃️❄️🎅

LEGE-CC whises a Merry Christmas and a Happy New Year to all! 🎅❄️☃️

The antibacterial and antibiofilm activity of Sphaerospermopsis sp. LEGE 00249 lipids. This strain was selected after screening 600 microalgae and cyanobacteria strains from two culture collections (one of them LEGE-CC).

Microalgae and Cyanobacteria Strains as Producers of Lipids with Antibacterial and Antibiofilm Activity Lipids are one of the primary metabolites of microalgae and cyanobacteria, which enrich their utility in the pharmaceutical, feed, cosmetic, and chemistry sectors. This work describes the isolation, structural elucidation, and the antibiotic and antibiofilm activities of diverse lipids produced by d...

Our new paper uncovering the Bioactive Potential Of Cyanobacterial of LEGE Natural Products Library (LEGE-NPL).

Uncovering the Bioactive Potential of a Cyanobacterial Natural Products Library Aided by Untargeted Metabolomics The Blue Biotechnology and Ecotoxicology Culture Collection (LEGE-CC) holds a vast number of cyanobacteria whose chemical richness is still largely unknown. To expedite its bioactivity screening we developed a natural products library. Sixty strains and four environmental samples were chromatographe...

MIRRI WEBINARS: Microbial resources for a Green, Healthy and Sustainable future & Cutting-edge technologies for 2030 microbial Culture Collections

https://ismirri21.mirri.org/events/mirri-webinars-microbial-resources-for-a-green-healthy-and-sustainable-future-cutting-edge-technologies-for-2030-microbial-culture-collections/

MIRRI WEBINARS: Microbial resources for a Green, Healthy and Sustainable future & Cutting-edge technologies for 2030 microbial Culture Collections - IS_MIRRI21 MIRRI, as a pan-European Research Infrastructure, will dedicate the decade ahead to applying microbial resources and cutting-edge technologies for research and innovation in Health & Food, Agro-Food, and Environment & Energy through its Strategic Research & Innovation Agenda (SRIA) and the capacitie...

Apesar deste ano ainda não podermos fazer as habituais visitas guiadas à nossa coleção estaremos presentes no dia aberto do CIIMAR através de vídeos que poderão ser visualizados nas nossas instalações! :)

É já amanhã que começam as celebrações do Dia Aberto CIIMAR !!! 🌊🤩

Não percam esta oportunidade de nos conhecer!!

Podem acompanhar mais novidades sobre a programação em https://www2.ciimar.up.pt/events.php?id=277

O nosso website sofreu um ataque informático e está temporariamente indisponível! Voltaremos assim que possível!

Our LEGE-CC Website is temporarily unavailable due to a cyberattack. We will be back soon as possible!

A LEGE-CC em destaque no Jornal Público!

A colecção Lege-CC hoje também em grande formato no jornal impresso Público 🤩👏

Three years ago, we started this project to study emergent marine toxins in a two week secondment in Cabo Verde. Looking forward going back there.

To finish the week, a new paper with our friends from LEPAB-FEUP on biofilms. This study aimed to determine the potential of short-time adhesion assays to estimate how biofilm development may proceed.

https://academic.oup.com/femsec/article/97/5/fiab052/6204666

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Há três semanas a Euronews esteve no CIIMAR / CIMAR Associate Laboratory para saber um pouco mais do que fazemos desde a colheita de amostras até à descoberta de novos compostos naturais promissores obtidos a partir de cianobactérias.

Euronews was here / CIMAR Associate Laboratory three weeks ago to learn a little more about what we do from sampling until the discovery of promising compounds from .

The ocean, a source of treatment for some of the world's worst diseases The ocean could hold the cure to the worst threats to public health. Researchers and experts are using some of the most unknown marine bioresources to make compounds to improve our health and they're doing so without damaging the sea.

CIIMAR está há 30 anos a construir uma "biblioteca" de cianobactérias Reconhecida a nível mundial, a coleção LEGE-CC conta com mais de 1200 exemplares de cianobactérias e microalgas com potencial biotecnológico.

Há 30 anos atrás as primeiras estirpes de cianobactérias foram isoladas por Vitor Vasconcelos e depositadas na LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection. Estas três estirpes de água doce têm a capacidade de produzir (microcistinas).

30 years ago our first cyanobacterial strains were isolated by Vitor Vasconcelos and deposited LEGE CC - Blue Biotechnology and Ecotoxicology Culture Collection. These 3 freshwater strains have the ability to produce (microcystins).

One more paper with our colleagues from FEUP with LEGE-CC strains!

association between the initial adhesion and cyanobacterial biofilm development Abstract. Although laboratory assays provide valuable information about the antifouling effectiveness of marine surfaces and the dynamics of biofilm formation,

The ocean, a source of treatment for some of the world's worst diseases The ocean could hold the cure to the worst threats to public health. Researchers and experts are using some of the most unknown marine bioresources to make compounds to improve our health and they're doing so without damaging the sea.