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The transcriptome sequencing of L. Receptor protein kinases—pattern recognition receptors in plant immunity. Front Plant Sci 4: Plant Cell Environ J Appl Phycol Lipoic acid-dependent oxidative catabolism of keto acids in mitochondria provides evidence for branched-chain amino acid catabolism in Arabidopsis.

Regulation of primary plant metabolism during plant-pathogen interactions and its contribution to plant defense. Cytotoxic halogenated metabolites from the Brazilian red alga Laurencia catarinensis. Because ROS can react with essential host molecules, the activity of antioxidant enzymes is important to limit the oxidative burst. Characteristics of the cDNA sequences from Laurencia dendroidea after preprocessing and assembly a. J Chem Ecol A central integrator of transcription networks in plant stress and energy signalling.

Genes related to the biosynthesis of terpenes characterized for the first time in Laurencia dendroidea with their EC number, Blast E value, identity, and similarity and the metabolic pathway in which they participate.

Thieme E-Journals – Planta Medica / Abstract

Mol Biol Evol The present report contributes to evidence indicating the presence of a mechanism in seaweeds similar to plant hormone-regulated defense against microbes. The antifouling defence mechanisms of marine macroalgae.


Raffaele S, Rivas S. Terpenoid compounds are recognized as important secondary metabolites acting to defend Laurencia species against bacterial colonization Transcriptomic analysis of the red seaweed Laurencia dendroidea Florideophyceae, Rhodophyta and its microbiome. Adv Bot Res The functional identifications were manually confirmed.

However, the genes involved in this cellular process are still largely unknown. Occasional pathogenic bacteria promoting ice-ice disease in the carrageenan-producing red algae Kappaphycus alvarezii and Eucheuma denticulatum Solieriaceae, Gigartinales, Rhodophyta. Support Center Support Center. Ultrastructure of the gland cells of the red alga Asparagopsis armata Bonnemaisoniaceae.

Received Mar 3; Accepted Nov 8. Quality control and preprocessing of metagenomic datasets. The present study provided novel insights into the complexity of seaweed-microbe interactions and the defensive strategies of L.

Mutation of rpoS gene decreased resistance to environmental stresses, synthesis of extracellular products and virulence of Vibrio anguillarum.

Potent antibacterial activity of halogenated metabolites from Malaysian red algae, Laurencia majuscula Rhodomelaceae, Ceramiales. Chronic stress and disease resistance in the genome model marine seaweed Ectocarpus siliculosus.

The Rac1 homolog of rice is a regulator of ROS production and induces the expression of defense-related genes promoting resistance against pathogenic bacteria Primary metabolism and plant defense—fuel for the fire. Bacterial community assembly based on functional genes rather than species.


Laurencia dendroidea clones were inoculated with the marine bacterium Vibrio madracius. Int J Syst Evol Microbiol However, potential pathogens were also previously detected on seaweed thalli and marimha microorganisms capable of degrading cell wall polysaccharides 5— 7.

Plant Cell Physiol perwira Front Plant Sci 5: Our aim was to identify the major transcriptional responses of L.

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Signaling cascades that modulate the innate immune response crespp been well described in plants but are still unknown in seaweeds.

The seaweed RNA was sequenced, providing an unprecedentedly high coverage of the transcriptome of Laurenciaand the gene rensto levels were compared between control and inoculated samples after 24, 48, and 72 h.

Oligoguluronates elicit an oxidative burst in the brown algal kelp Laminaria digitata. Innate immunity in plants and animals: Published online Dec 6.

Molecular Mechanisms for Microbe Recognition and Defense by the Red Seaweed Laurencia dendroidea

The comparative analysis of control and inoculated specimens of L. To identify the transcripts associated with the biosynthesis of terpenoid compounds, we analyzed the transcriptome of L. Here, we detected the upregulation in L. Davidson NM, Oshlack A.

Gene product EC no.