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Joana R Xavier's picture

Joana R Xavier

Postdoctoral fellow, SponGES scientific manager
  • E-mailJoana.Xavier@uib.no
  • Phone+47 55 58 44 79+47 452 62 243
  • Visitor Address
    Thormøhlensgate 53A
    5006 Bergen
    Room 
    2C16
  • Postal Address
    Postboks 7803
    5020 Bergen

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.

Journal articles
  • Gaspar, Helena; Cutignano, Adele; Grauso, Laura; Neng, Nuno; Cachatra, Vasco; Fontana, Angelo; Xavier, Joana R.; Cerejo, Marta; Vieira, Helena; Santos, Susana. 2016. Erylusamides: Novel atypical glycolipids from Erylus cf. deficiens. Marine Drugs. 14:179. doi: 10.3390/md14100179
  • Hestetun, Jon Thomassen; Rapp, Hans Tore; Xavier, Joana R. 2016. Carnivorous sponges (Porifera, Cladorhizidae) from the Southwest Indian Ocean Ridge seamounts. Deep-sea research. Part II, Topical studies in oceanography. 137: 166-189. Published 2016-03-19. doi: 10.1016/j.dsr2.2016.03.004
  • Carvalho, Francisca; Pomponi, Shirley A.; Xavier, Joana R. 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. 95: 1287-1296. doi: 10.1017/S0025315414001179
  • Cristobo, Javier; Rios, Pilar; Pomponi, Shirley A.; Xavier, Joana R. 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. 95: 1345-1352. doi: 10.1017/S0025315414001325
  • Graca, Ana Patrícia; Viana, Flávia; Bondoso, Joana; Correia, Maria Inês; Gomes, Luís; Humanes, Madalena; Reis, Alberto; Xavier, Joana R.; Gaspar, Helena; Lage, Olga M. 2015. The antimicrobial activity of heterotrophic bacteria isolated from the marine sponge Erylus deficiens (Astrophorida, Geodiidae). Frontiers in Microbiology. 6:389. doi: 10.3389/fmicb.2015.00389
  • Taboada, Sergi; Riesgo, Ana; Blasco, Gema; Solà, Joan; Xavier, Joana R.; Lopez-Legentil, Susanna. 2015. Development of 10 microsatellite markers for the Atlanto-Mediterranean sponge Petrosia ficiformis. Conservation Genetics Resources. 7: 895-897. doi: 10.1007/s12686-015-0496-5
  • Xavier, Joana R.; Cárdenas, Paco A.; Cristobo, Javier; van Soest, Rob; Rapp, Hans Tore. 2015. Systematics and biodiversity of deep-sea sponges of the Atlanto-Mediterranean region. Journal of the Marine Biological Association of the United Kingdom. 95: 1285-1286. doi: 10.1017/S0025315415001514
  • Xavier, Joana R.; Tojeira, Inês; Van Soest, Rob W.M. 2015. On a hexactinellid sponge aggregation at the Great Meteor seamount (North-east Atlantic). Journal of the Marine Biological Association of the United Kingdom. 95: 1389-1394. doi: 10.1017/S0025315415000685
  • van Syoc, Robert; Van Soest, Rob W.M.; Xavier, Joana R.; Hooper, John NA. 2015. A Phylogenetic Overview of Sponge-inhabiting Barnacles and Their Host Specificity (Crustacea, Cirripedia). Proceedings of the California Academy of Sciences. 62: 331-357.
  • Cristobo, Javier; Rios, Pilar; Pomponi, Shirley A.; Xavier, Joana R. 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. doi: 10.1017/S0025315414001325
  • Hardoim, CC; Cardinale, M; Cúcio, AC; Esteves, AI; Berg, G; Xavier, Joana R.; 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. Published 2014-11-18. doi: 10.3389/fmicb.2014.00611

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