A5007702067- Marine Bivalve and Aquaculture Studies
- Marine Biology and Ecology Research
- Invertebrate Immune Response Mechanisms
- Ocean Acidification Effects and Responses
- Neurobiology and Insect Physiology Research
- Marine Biology and Environmental Chemistry
- Aquatic Invertebrate Ecology and Behavior
- Microbial Community Ecology and Physiology
- Antimicrobial Peptides and Activities
- Genomics and Phylogenetic Studies
- Coral and Marine Ecosystems Studies
- Insect symbiosis and bacterial influences
- Methane Hydrates and Related Phenomena
- Environmental Toxicology and Ecotoxicology
- Ichthyology and Marine Biology
- Insect Pest Control Strategies
- Insect Resistance and Genetics
- Physiological and biochemical adaptations
- Travel-related health issues
- Entomopathogenic Microorganisms in Pest Control
- Heavy metals in environment
- Insect Utilization and Effects
- Geochemistry and Elemental Analysis
- Identification and Quantification in Food
- Marine Ecology and Invasive Species
Universidade dos Açores
2013-2023
Institute of Marine Research
2012-2022
Université de Montpellier
2007
Stockholm University
1996-2006
University of Massachusetts Chan Medical School
2002-2005
In January 2017, the International Seabed Authority released a discussion paper on development of Environmental Regulations for deep-sea mining within Area Beyond National Jurisdiction (the 'Area'). With release this paper, prospect commercial in next decade has become very real. Moreover, nations' Exclusive Economic Zones, exploitation mineral ore resources could take place much shorter time scales and, indeed, may have already started. However, potentially toxic metal mixtures be at sea...
There is increasing evidence of an intimate connection between participants in the innate immune system and development. Molecules involved determination dorso-ventral polarity Drosophila have related counterparts signalling pathways for gene activation both insects mammals. Hemolin from Giant silkmoth, Hyalophora cecropia, identified as a bacteria-inducible molecule member immunoglobulin superfamily, present protein transcripts oocytes embryos. We used RNA interference (RNAi) to investigate...
Bathymodiolus azoricus is a deep-sea hydrothermal vent mussel found in association with large faunal communities living chemosynthetic environments at the bottom of sea floor near Azores Islands. Investigation exceptional physiological reactions that mussels have adopted their habitat, including responses to environmental microbes, remains difficult challenge for biologists. In an attempt reveal genes potentially involved innate immunity we carried out high-throughput sequence analysis...
The isolation of antibacterial peptides from the giant silkmoth Hyalophora cecropia has opened area animal antibiotics [Boman, H. G. (1991) Cell 65 , 205–207] and study insect immune genes revealed striking similarities to many response in mammals [Hultmark, D. (1994) Nature 267 116–117]. However, molecules mechanisms behind primordial recognition are not understood. One candidate for one such molecule is hemolin, a 48‐kDa immunoglobulin‐related protein first isolated where it up‐regulated...
Abstract. High densities of mussels the genus Bathymodiolus are present at hydrothermal vents Mid-Atlantic Ridge. It was previously proposed that chemistry vent sites would affect their sulphide- and methane-oxidizing endosymbionts' abundance. In this study, we confirmed latter assumption using fluorescence in situ hybridization on azoricus specimens maintained a controlled laboratory environment atmospheric pressure with one, both or none chemical substrates. A high level symbiosis...
Abstract Insects possess an antimicrobial defense response that is similar to the mammalian innate immune response. The system designed recognize conserved components of microorganisms called pathogen‐associated molecular patterns (PAMPs). How host receptors detect PAMPs and transmit signals mount being elucidated. Using GFP‐Dorsal, ‐Dif, ‐Relish reporter proteins in ex vivo assays, we demonstrate Drosophila fat bodies, a major tissue, have both hemolymph‐dependent ‐independent responses....
Deep-sea mining activities are expected to impact deep-sea biota through the generation of sediment plumes that disperse across vast areas ocean. Benthic sessile suspension-feeding fauna, such as cold-water corals, may be particularly susceptible increased suspended sediments. Here, we exposed octocoral, Dentomuricea aff. meteor particles generated during potential in a four weeks experimental study. Corals were three treatments: (1) control conditions (no added sediments); (2) polymetallic...
Insects are useful models for the study of innate immune mechanisms because their lack antibodies and receptors involved in adaptive response. Nevertheless, hemolin cloned from moths is a soluble membrane associated Ig‐related molecule that up‐regulated during response [Lanz‐Mendoza, H. & Faye, I. (1999) Dev. Comp. Immunol. 23 , 359–374]. The monomeric form has four, pair‐wise, interacting Ig‐domains, forming strongly bent horseshoe structure [Su, X.‐D., Gastinel, L.N., Vaughn, D.E., I.,...
Deep-sea environments are largely unexplored habitats where a surprising number of species may be found in large communities, thriving regardless the darkness, extreme cold, and high pressure. Their unique geochemical features result reducing rich methane sulfides, sustaining complex chemosynthetic ecosystems that represent one most findings oceans last 40 years. The deep-sea Lucky Strike hydrothermal vent field, located Mid Atlantic Ridge, is home to mussel communities Bathymodiolus...
In both insects and mammals, members of the Toll receptor family play important roles in initial events leading to activation immunity genes. The prototypic Drosophila appears be activated by a host protein ligand after microbial stimulation. cellular biological response activation, however, require further investigation. We used transgenic strains expressing NF-kappaB proteins investigate innate immune whole larvae dissected larval fat bodies. Substantial antimicrobial peptide genes was...