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Joana R Xavier's picture

Joana R Xavier

Associate Professor, SponGES scientific manager
  • E-mailJoana.Xavier@uib.no
  • Phone+47 452 62 243
  • Visitor Address
    Thormøhlensgate 53A
    5006 Bergen
    Room 
    2C16
  • Postal Address
    Postboks 7803
    5020 Bergen

Karimi E, Ramos M, Gonçalves JMS, Xavier JR, Reis MP and Costa R (2017) Comparative Metagenomics Reveals the Distinctive Adaptive Features of the Spongia officinalis Endosymbiotic Consortium. Frontiers in Microbiology 8, 2499. doi: 10.3389/fmicb.2017.02499 

Xavier JR, Bo M (2017) Deep-sea sponges of the Mediterranean Sea. http://www.fao.org/publications/card/en/c/df94258d-ed23-4a65-9fd9-d344f7...

Hestetun JT, RappHT, Xavier JR (2017) Carnivorous sponges (Porifera, Cladorhizidae) from the Southwest Indian Ocean Ridge seamounts. Deep Sea Research II 137, 166-189.

Gaspar H, Cutignano A, Grauso L, Neng N, Cachatra V, Fontana A, Xavier JR, Cerejo M, Vieira, H, Santos S (2016) Erylusamides: Novel Atypical Glycolipids from Eryluscf. deficiens. Marine Drugs 14(10), 179.

Taboada S, Riesgo A, Blasco G, Solà J, Xavier JR, López-Legentil S (2015) Development of 10 microsatellite markers for the Atlanto-Mediterranean sponge Petrosia ficiformis. Conservation Genetics Resources 7(4), 895-897.

Xavier JR, Cárdenas P, Cristobo J, Van Soest RWM, Rapp HT (2015) Systematics and biodiversity of deep-sea sponges of the Atlanto-Mediterranean region (Foreword). JMBA of the UK 95(7), 1285-1286.

Xavier JR, Tojeira I, Van Soest RWM (2015) On a hexactinellid sponge aggregation at the Great Meteor seamount (North-east Atlantic). JMBA of the UK 95(7), 1389-1394.

Carvalho F, Pomponi SA, Xavier JR (2015) Lithistid sponges of the upper bathyal of Madeira, Selvagens and Canary Islands with description of a new species of Isabella. JMBA of the UK 95(7), 1287-1296.

Cristobo J, Pomponi SA, Rios P, Xavier JR (2015) A new carnivorous sponge, Chondrocladia robertballardi sp. nov. (Porifera: Cladorhizidae) from two Northeast Atlantic seamounts. JMBA of the UK 95(7), 1345-1352.

Van Syoc, Van Soest RWM, Xavier JR, Hooper JNA (2015) A Phylogenetic Overview of Sponge-inhabiting Barnacles and Their Host Specificity (Crustacea, Cirripedia). Proceedings of the California Academy of Sciences 62(11), 331-357.

Graça AP, Viana F, Bondoso J, Correia MI, Gomes L, Humanes M, Reis A, Xavier JR, Gaspar H, Lage OM (2015) The antimicrobial activity of heterotrophic bacteria isolated from the marine sponge Erylus deficiens (Astrophorida, Geodiidae). Front. Microbiol. 6, 389.

Hardoim, CCP, Cardinale M, Cúcio ACB, Esteves, AIS, Berg G, Xavier JR, Cox CJ, Costa R (2014) Effects of sample handling and cultivation bias on the specificity of bacterial communities in keratose marine sponges. Frontiers in Microbiology 5, 611.

Graça AP, Bondoso J, Gaspar H, Xavier JR, Monteiro MC, de la Cruz M, Oves-Costales D, Vicente F, Lage OM (2013) Antimicrobial activity of heterotrophic bacterial communities from the marine sponge Erylus discophorus(Astrophorida, Geodiidae). PLoS ONE 8(11): e78922.

Esteves AIS, Hardoim CCP, Xavier JR, Gonçalves MS, Costa R (2013) Molecular richness and biotechnological potential of bacteria cultured from Irciniidae sponges in the Northeast Atlantic. FEMS Microbiology Ecology, 85(3): 519-536.

Hardoim CCP, Esteves AIS, Pires FR, Gonçalves JMS, Cox CJ, Xavier JR, Costa R (2012) Phylogenetically and spatially close marine sponges harbour divergent bacterial communities. PLoS ONE 7(12), e53029.

Xavier JR, Van Soest RWM (2012) Diversity patterns and zoogeography of the Northeast Atlantic and Mediterranean shallow-water sponge fauna. Hydrobiologia 687(1), 107-125.

Araújo M, Xavier JR, Nunes CD, Vaz PD, Humanes M (2012) Marine sponge melanin: a new source of an old biopolymer. Structural Chemistry 23(1), 115-122.

Cárdenas P, Xavier JR, Reveillaud J, Schander C, Rapp HT (2011) Molecular phylogeny of the Astrophorida (Porifera, Demospongiae) reveals an unexpected high level of spicule homoplasy. PLoS ONE 6(4): e18318 

Xavier JR, Van Soest RWM, Breeuwer JAJ, Frias Martins AMF, Menken SBJ (2010b) Phylogeography, genetic diversity and structure of the poecilosclerid sponge Phorbas fictitius at oceanic islands. Contributions to Zoology 79, 119-129.

Xavier JR, Rachello-Dolmen PG, Parra-Velandia F, Schönberg CHL, Breeuwer JAJ, Van Soest RWM (2010a) Molecular evidence of cryptic speciation in the “cosmopolitan” excavating sponge Cliona celata (Porifera, Clionaidae). Molecular Phylogenetics and Evolution 56, 13-20.

Reveillaud J, Remerie T, Van Soest RWM, Erpenbeck D, Cárdenas P, Sofie Derycke S, Xavier JR, Rigaux A, Vanreusel A (2010) Species boundaries and phylogenetic relationships between Atlanto-Mediterranean shallow-water and deep-sea coral associated Hexadella species (Porifera, Ianthellidae). Molecular Phylogenetics and Evolution 56, 104-114.

Webster N, Xavier JR, Freckleton M, Motti C, Cobb R (2008) Shifts in microbial and chemical patterns within the marine sponge Aplysina aerophoba during a disease outbreak. Environmental Microbiology 10(12), 3366-3376. 

Marques D, Esteves A, Almeida M, Xavier JR, Humanes M (2008) Superoxide dismutase in the marine sponge Cliona celata. Marine Biology 153, 807-813.

Xavier JR, Van Soest RWM (2007) Demosponge fauna of Ormonde and Gettysburg Seamounts (Gorringe Bank, Northeast Atlantic): diversity and zoogeographical affinities. J. Mar. Biol. Ass. U. K. 87, 1643-1653.

Cárdenas P, Xavier JR, Tendal O, Schander C, Rapp HT (2007) Redescription and resurrection of Pachymatisma normani (Demospongiae: Geodiidae), with remarks on the genus Pachymatisma. J. Mar.Biol. Ass. U. K. 87, 1511-1525.

Academic article
  • 2019. Glass sponge grounds on the Scotian Shelf and their associated biodiversity. Marine Ecology Progress Series. 91-109.
  • 2019. Genetic diversity, connectivity and gene flow along the distribution of the emblematic Atlanto-Mediterranean sponge Petrosia ficiformis (Haplosclerida, Demospongiae). BMC Evolutionary Biology. 1-18.
  • 2019. Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea). Zootaxa. 201-251.
  • 2019. Characterization and mapping of a deep-sea sponge ground on the tropic seamount (Northeast Tropical Atlantic): Implications for spatial management in the high seas. Frontiers in Marine Science.
  • 2019. A framework for the development of a global standardised marine taxon reference image database (SMarTaR-ID) to support image-based analyses. PLOS ONE. 1-25.
  • 2018. Sponge-derived silica for tissue regeneration: Bioceramics of deep-sea sponge. Materials Today. 577-578.
  • 2018. Silicon isotopes of deep sea sponges: New insights into biomineralisation and skeletal structure. Biogeosciences. 6959-6977.
  • 2018. Predicted distribution of the glass sponge Vazella pourtalesi on the Scotian Shelf and its persistence in the face of climatic variability. PLOS ONE.
  • 2018. Increased taxon sampling provides new insights into the phylogeny and evolution of the subclass Calcaronea (Porifera, Calcarea). Organisms Diversity & Evolution.
  • 2018. From marine caves to the deep sea, a new look at caminella (Demospongiae, geodiidae) in the atlanto-Mediterranean region. Zootaxa. 174-196.
  • 2016. Erylusamides: Novel atypical glycolipids from Erylus cf. deficiens. Marine Drugs.
  • 2016. Carnivorous sponges (Porifera, Cladorhizidae) from the Southwest Indian Ocean Ridge seamounts. Deep-sea research. Part II, Topical studies in oceanography. 166-189.
  • 2015. The antimicrobial activity of heterotrophic bacteria isolated from the marine sponge Erylus deficiens (Astrophorida, Geodiidae). Frontiers in Microbiology.
  • 2015. Systematics and biodiversity of deep-sea sponges of the Atlanto-Mediterranean region. Journal of the Marine Biological Association of the United Kingdom. 1285-1286.
  • 2015. On a hexactinellid sponge aggregation at the Great Meteor seamount (North-east Atlantic). Journal of the Marine Biological Association of the United Kingdom. 1389-1394.
  • 2015. Lithistid sponges of the upper bathyal of Madeira, Selvagens and Canary Islands, with description of a new species of Isabella. Journal of the Marine Biological Association of the United Kingdom. 1287-1296.
  • 2015. Development of 10 microsatellite markers for the Atlanto-Mediterranean sponge Petrosia ficiformis. Conservation Genetics Resources. 895-897.
  • 2015. A new carnivorous sponge, Chondrocladia robertballardi sp. nov. (Porifera: Cladorhizidae) from two Northeast Atlantic seamounts. Journal of the Marine Biological Association of the United Kingdom. 1345-1352.
  • 2015. A Phylogenetic Overview of Sponge-inhabiting Barnacles and Their Host Specificity (Crustacea, Cirripedia). Proceedings of the California Academy of Sciences. 331-357.
  • 2014. Effects of sample handling and cultivation bias on the specificity of bacterial communities in keratose marine sponges. Frontiers in Microbiology.
  • 2014. A new carnivorous sponge, Chondrocladia robertballardi sp. nov. (Porifera: Cladorhizidae) from two north-east Atlantic seamounts. Journal of the Marine Biological Association of the United Kingdom.
Lecture
  • 2015. Predicting suitable habitat for the bird’s nest sponge Pheronema carpenteri (Porifera, Hexactinellida) in the Northeast Atlantic.
  • 2015. Diversity, distribution and phylogenetic relationships of bathyal lithistid sponges of the Macaronesian Islands and northeast Atlantic seamounts.
  • 2014. Towards the conservation of deep-sea sponge grounds.
  • 2014. Sponge assemblages of the Condor Seamount (Azores) characterized from underwater imagery.
  • 2014. Lithistid demosponges of the Macaronesian Islands and Northeast Atlantic seamounts: diversity, distribution and phylogenetic relationships.
  • 2014. Calcareous sponges from the Azores.
  • 2013. Sponge assemblages of the Condor Seamount (Azores) characterized from underwater imagery.
  • 2013. Predicting suitable habitat for the bird's nest sponge Pheronema carpenteri (Hexactinellida, Pheronematidae) in the Northeast Atlantic.
  • 2013. Portuguese marine sponge extracts libraries for drug discovery: ASYN-TAU, TTR and IDO modulators.
  • 2013. Lithistid demosponges of the Macaronesian Islands and Northeast Atlantic Seamounts: Diversity, distribution and phylogenetic relationships.
  • 2013. Diversity of bacteria cultured from Irciniidae sponges.
  • 2013. Challenging the specificity of the marine sponge microbiome - a biogeographical approach.
Poster
  • 2015. Sponge assemblages of the Schultz seamount – Arctic Mid-Ocean Ridge.
  • 2015. Sponge assemblages of the Condor seamount (Azores) characterized from underwater imagery.
  • 2015. Carnivorous sponges from the Southwestern Indian Ocean Ridge seamounts.
  • 2014. Deep-sea sponge habitats in Madeira-TORE Rise.
  • 2013. Unravelling the structure of the marine sponge microbiome across biogeographical gradient.
  • 2013. The culturable heterotrophic bacteria associated with Erylus spp. (Astrophorida, Geodiidae).
  • 2013. SPECIAL - Sponge Enzymes and Cells for Innovative AppLication.
  • 2013. Degrees of host specificity, effects of sample handling, and extent of cultivation bias elucidated for bacterial communities in closely related marine sponges.
  • 2013. Coral boring Porifera (Phloeodictyidae) from Galicia Bank (Atlantic Ocean).
  • 2013. A new species of Spongia (Dictyoceratida, Spongiidae) from theAzores.

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