Bassem Allam

bassem1School of Marine and Atmospheric Sciences

Stony Brook University
NY 11794-5000,  USA
Phone: +1 (631) 632 8745
Fax: +1 (631) 632 8915

Email: bassem.allam@stonybrook.edu

Dr Allam also holds a Courtesy Faculty appointment at Cornell University’s College of Veterinary Medicine

Main research interests:

  • Pathology and immunology of marine invertebrates
  • Early interactions at water-tissue interfaces between suspension feeding bivalves and waterborne microbes (tissue colonization by microbes, particle sorting in suspension-feeders)
  • Marine genomics

Current research projects can be accessed here.

Recent publications: (2009-2015)
Complete listings and pdf reprints are available here

2016

Rubin E, Werneburg GT, Pales Espinosa E, Thanassi DG, Allam B. (In Press). Identification and characterization of peptidases secreted by quahog parasite unknown (QPX), the protistan parasite of hard clams. Diseases of Aquatic Organisms.

Wang K, Pales Espinosa E, Allam B. (2016). Effect of “heat shock” treatments on QPX disease and stress response in the hard clam, Mercenaria mercenaria. Journal of Invertebrate Pathology 138: 39-49.

Allam B, Pales Espinosa E. (2016). Bivalve immunity and response to infections: Are we looking at the right place? Fish and Shellfish Immunology, 53: 4-12.

Pales Espinosa E, Cerrato R, Wikfors G, Allam B. (2016). Modeling food choice in the two suspension-feeding bivalves, Crassostrea virginica and Mytilus edulis. Marine Biology, 163(2): 1-13.

Wang K, Del Castillo C, Corre E, Pales Espinosa E, Allam B. (2016). Clam focal and systemic immune responses to QPX by RNA-Seq technology. BMC Genomics, 17:146.

Liu Q, Collier JL, Allam B. (2016). Seasonality of QPX disease in the Raritan Bay (NY) wild hard clam (Mercenaria mercenaria) population. Aquaculture Research. DOI: 10.1111/are.12969. In Press.

Wang K, Pales Espinosa E, Tanguy A, Allam B. (2016). Alterations of the immune transcriptome in resistant and susceptible hard clams (Mercenaria mercenaria) in response to Quahog Parasite Unknown (QPX) and temperature. Fish and Shellfish Immunology 49: 163-176.

Pales Espinosa E, Koller A, Allam B. (2016). Proteomic characterization of mucosal secretions in the eastern oyster, Crassostrea virginica. Journal of Proteomics 132: 63-76.

2015

Allam B, Raftos D. (2015). Immune responses to infectious diseases in bivalves. Journal of Invertebrate Pathology 131: 121-136. (review paper that is part of a special issue of JIP on mollusk diseases).

Rosa M, Ward JE, Ouvrard M, Pales Espinosa E, Shumway SE, Allam B. (2015). Examining the physiological plasticity of particle capture by the blue mussel,Mytilus edulis (L.): Confounding factors and potential artifacts with studies utilizing natural seston. Journal of Experimental Marine Biology and Ecology 473: 207-217.

Dahl S, Allam B. (2015). Clam transplant as a mitigation strategy for QPX disease in Mercenaria mercenaria. Aquaculture Research. In Press.

Mars M, McElroy A, Pales Espinosa E, Allam B. (2015). Antimicrobial activity in the cuticle of the American lobster, Homarus americanus. Fish and Shellfish Immunology 44: 542-546.

Allam B, Pales Espinosa E. (2015). Mucosal immunity in mollusks. Book chapter In: Mucosal Health in Aquaculture. Benjamin Beck and Eric Peatman (Eds). Academic Press. pp. 325-370. ISBN: 978-0-12-417186-2.

Rubin E, Pales Espinosa E, Koller A, Allam B (2015). Characterization of the secretome of the clam parasite QPX. International Journal for Parasitology 45: 187-196.

2014

Allam B, Tanguy A, Jeffroy F, Le Bris C, Pales Espinosa E, Paillard C. (2014). Transcriptional changes in Manila clam (Ruditapes philippinarum) in response to brown ring disease. Fish and Shellfish Immunology 41(1): 2-11.

Keeling PJ, Burki F, Wilcox HM, Allam B, Allen EE, et al. (2014). The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the functional diversity of eukaryotic life in the oceans through transcriptome sequencing. PLoS Biology, 12(6), e1001889.

Pales Espinosa E., Corre E, Allam B. (2014). Pallial mucus of Crassostrea virginica regulates the expression of putative virulence genes of its pathogen Perkinsus marinus. International Journal for Parasitology 44: 305-317.

Rubin E, Tanguy A, Perrigault M, Pales Espinosa E, Allam B. (2014). Characterization of the transcriptome and temperature-induced differential gene expression of in quahog parasite unknown QPX, the thraustochytrid parasite of hard clams. BMC Genomics 15: 245.

2013

Pales Espinosa E, Boutet I, Le Panze S, Allam B, Tanguy A. (2013). Endobacteria in Loripes lacteus: Characterization, localization and some aspect of host-symbiont regulation. Journal of Experimental Marine Biology and Ecology 448: 327-336.

Levinton J, Doall M, Allam B. (2013). The two-year eastern oyster mortality syndrome in impacted waters. Journal of Shellfish Research 32(2): 417-427.

Rosa M, Ward JE, Shumway SS, Wikfors GH, Pales Espinosa E, Allam B. (2013). Effects of Particle Surface Properties on Feeding Selectivity in the Eastern oyster Crassostrea virginica and the Blue mussel Mytilus edulis. Journal of Experimental Marine Biology and Ecology 446: 320-327.

Pales Espinosa E., Winnicki S, Allam B. (2013). Early host-pathogen interactions in marine bivalves: Pallial mucus of Crassostrea virginica modulates the growth and virulence of its pathogen Perkinsus marinus. Diseases of Aquatic Organisms 104: 237-247.

Pales Espinosa E., Allam B. (2013). Food quality and season affect the expression of the mucosal lectin MeML and food sorting abilities in the blue mussel Mytilus edulis. Marine Biology 160(6): 1441-1450.

Allam B, Carden WE, Ward JE, Ralph G, Winnicki S, Pales Espinosa E. (2013). Early host-pathogen interactions in marine bivalves: Evidence that the alveolate parasite Perkinsus marinus infects through the oyster mantle during rejection of pseudofeces. Journal of Invertebrate Pathology 113: 26-34.

2012

Perrigault M., Dahl S.F., Pales-Espinosa E., Allam B. (2012). Effects of salinity on hard clam (Mercenaria mercenaria) defense parameters and QPX disease dynamics. Journal of Invertebrate Pathology 110(1): 73-82.

Perrigault M, Allam B. (2012). Differential immune response in the hard clam (Mercenaria mercenaria) against bacteria and the protistan QPX (Quahog Parasite Unknown). Fish and Shellfish Immunology 32(6): 1124-1134.

Homerding M, McElroy A, Taylor G, Dove A, Allam B. (2012). Investigation of epizootic shell disease in American lobsters (Homarus americanus) from Long Island Sound: II. Immune parameters in lobsters and relationships to the disease. Journal of Shellfish Research 31(2):495-504.

Bell SL, Allam B., McElroy A, Dove A, Taylor GT. (2012). Investigation of epizootic shell disease in American lobsters (Homarus americanus) from Long Island Sound: I. Characterization of associated microbial communities. Journal of Shellfish Research 31(2):473-484.

Sokolowski M, Allam B, Dunton K, Clark M, Kurtz E, Fast M. (2012). Spatio-temporal differences in immunophysiology of Atlantic sturgeon, Acipenser oxyrinchus oxyrinchus (Mitchill), and the relationship to parasitic copepod, Dichelesthium oblongum, (Abilgaard) infection. Journal of Fish Diseases 35(9): 649-660.

2011

Levinton J, Doall M, Ralston D, Starke A, Allam B. (2011). Climate change, precipitation and the loss of an estuarine refuge. PLoS One 6(4): e18849.

Jing X, Pales Espinosa E, Perrigault M, Allam B. (2011). Identification, molecular characterization and expression analysis of a mucosal C-type lectin in the eastern oyster, Crassostrea virginica. Fish and Shellfish Immunology 30: 851-858.

Perrigault M., Dahl S.F., Pales Espinosa E., Gambino L., Allam B. (2011). Effects of temperature on hard clam (Mercenaria mercenaria) immunity and QPX (Quahog parasite unknown) disease development: II. Defense parameters. Journal of Invertebrate Pathology 106: 322-332.

Dahl S, Perrigault M, Liu Q, Collier JL, Barnes DA, Allam B. (2011). Effects of temperature on hard clam (Mercenaria mercenaria) immunity and QPX (Quahog parasite unknown) disease development: I. Dynamics of QPX disease. Journal of Invertebrate Pathology 106: 314-321.

2010

Pales Espinosa E, Hassan D, Ward JE, Shumway SE, Allam B. (2010). The blue mussel Mytilus edulis uses recognition molecules to select food particles. Biological Bulletin 219: 50-60.

Pales Espinosa E, Perrigault M, Allam B. (2010). Identification and molecular characterization of a mucosal lectin (MeML) from Mytilus edulis and its potential role in particle capture. Comparative Biochemistry and Physiology156:495-501.

Perrigault M, Buggé DM., Allam B. (2010). Effect of environmental factors on survival and growth of quahog parasite unknown (QPX) in vitro. Journal of Invertebrate Pathology 104:83-89.

Dahl S, Thiel J, Allam B. (2010). QPX disease progress in cultured and wild type hard clams in New York waters. Journal of Shellfish Research 29(1): 83-90.

Pales Espinosa E, Perrigault M, Ward JE, Shumway S, Allam B. (2010). Lectin binding patterns of microalgae: role in particle selection in suspension feeding bivalves. Biological Bulletin 218:75-86.

2009

Perrigault M, Tanguy A, Allam B. (2009). Indentification and quantification of differentially expressed genes in the hard clam, Mercenaria mercenaria, in response to quahog parasite unknown (QPX). BMC Genomics 10: 377.

Perrigault M, Allam B. (2009). Cytotoxicity of Quahog Parasite Unknown (QPX) toward hard clam (Mercenaria mercenaria) haemocytes and interactions between different pathogen isolates and host strains. Parasitology 136: 1281-1289.

Pales Espinosa, E., Perrigault, M., Ward, J.E., Shumway, S.E., Allam, B. (2009). Lectins associated with the feeding organs of the oyster Crassostrea virginica can mediate particle selection. Biological Bulletin 217: 130-141.

Liu Q, Allam B., Collier JL. (2009). A quantitative real-time PCR assay for QPX (Thraustochytridae), a parasite of the hard clam (Mercenaria mercenaria). Submitted to Applied and Environmental Microbiology 75: 4913-4918.

Ford SE, Allam B, Xu Z. (2009). Using PCR and bivalve “particle collectors” to investigate the environmental distribution of Haplosporidium nelsoni, the agent of MSX disease in eastern oysters. Diseases of Aquatic Organisms 83: 159-168.

Bettencourt R, Dando P, Collins P, Costa V, Allam B, Serrão Santos R. (2009). Innate immunity in the deep sea hydrothermal vent mussel Bathymodiolus azoricus. Comparative Biochemistry and Physiology Part A 152: 278-289.

Perrigault M, Buggé DM, Hao CC, Allam B. (2009). Modulatory effects of hard clam (Mercenaria mercenaria) tissue extracts on the in vitro growth of its pathogen QPX. Journal of Invertebrate Pathology 100: 1-8.