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Investigating the effect of oil spills
on the environment and public health.
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Hernando Bacosa

Texas A&M University at Galveston

Marine Biology Department

P.O. Box 1675
Galveston, TX  77553  

herbacs3001@gmail.com

Project List:

Aggregation and Degradation of Dispersants and Oil by Microbial Exopolymers 2 (ADDOMEx-2): Towards a synthesis of process and pathways of marine oil snow formation

Year 8-10 Research Grants (RFP-VI)Role: Post-Doc

Aggregation and Degradation of Dispersants and Oil by Microbial Exopolymers (ADDOMEx)

Year 5-7 Consortia Grants (RFP-IV)Role: Post-Doc

Publications & Presentations:

Journal Articles - 9

2020

Bacosa, H. P., Kamalanathan, M., Cullen, J., Shi, D., Xu, C., Schwehr, K. A., Hala, D., Wade, T. L., Knap, A. H., Santschi, P. H., & Quigg, A. (2020). Marine Snow Aggregates are Enriched in Polycyclic Aromatic Hydrocarbons (PAHs) in Oil Contaminated Waters: Insights from a Mesocosm Study. Journal of Marine Science and Engineering, 8(10), 781.
Santschi, P. H., Xu, C., Schwehr, K. A., Lin, P., Sun, L., Chin, W., Kamalanathan, M., Bacosa, H. P., & Quigg, A. (2020). Can the protein/carbohydrate (P/C) ratio of exopolymeric substances (EPS) be used as a proxy for their ‘stickiness’ and aggregation propensity?. Marine Chemistry, 218, 103734.
Shiu, R., Chiu, M., Vazquez, C. I., Tsai, Y., Le, A., Kagiri, A., Xu, C., Kamalanathan, M., Bacosa, H. P., Doyle, S. M., Sylvan, J. B., Santschi, P. H., Quigg, A., & Chin, W. (2020). Protein to carbohydrate (P/C) ratio changes in microbial extracellular polymeric substances induced by oil and Corexit. Marine Chemistry, 223, 103789.
Steichen, J. L., Labonté, J. M., Windham, R., Hala, D., Kaiser, K., Setta, S., Faulkner, P. C., Bacosa, H., Yan, G., Kamalanathan, M., & Quigg, A. (2020). Microbial, Physical, and Chemical Changes in Galveston Bay Following an Extreme Flooding Event, Hurricane Harvey. Frontiers in Marine Science, 7.

2019

Bretherton, L., Hillhouse, J., Bacosa, H., Setta, S., Genzer, J., Kamalanathan, M., Finkel, Z. V., & Quigg, A. (2019). Growth dynamics and domoic acid production of Pseudo-nitzschia sp. in response to oil and dispersant exposure. Harmful Algae, 86, 55-63.
Kamalanathan, M., Chiu, M., Bacosa, H., Schwehr, K., Tsai, S., Doyle, S., Yard, A., Mapes, S., Vasequez, C., Bretherton, L., Sylvan, J. B., Santschi, P., Chin, W., & Quigg, A. (2019). Role of Polysaccharides in Diatom <i>Thalassiosira pseudonana</i> and its Associated Bacteria in Hydrocarbon Presence. Plant Physiology, 180(4), 1898-1911.

2018

Bacosa, H. P., Kamalanathan, M., Chiu, M., Tsai, S., Sun, L., Labonté, J. M., Schwehr, K. A., Hala, D., Santschi, P. H., Chin, W., & Quigg, A. (2018). Extracellular polymeric substances (EPS) producing and oil degrading bacteria isolated from the northern Gulf of Mexico. PLOS ONE, 13(12), e0208406.
Sun, L., Chiu, M., Xu, C., Lin, P., Schwehr, K. A., Bacosa, H., Kamalanathan, M., Quigg, A., Chin, W., & Santschi, P. H. (2018). The effects of sunlight on the composition of exopolymeric substances and subsequent aggregate formation during oil spills. Marine Chemistry, 203, 49-54.

2017

Williams, A. K., Bacosa, H. P., & Quigg, A. (2017). The impact of dissolved inorganic nitrogen and phosphorous on responses of microbial plankton to the Texas City “Y” oil spill in Galveston Bay, Texas (USA). Marine Pollution Bulletin, 121(1-2), 32-44.

Conference Presentations - 15

2020

Santschi, P. X., C.; Schwehr, K. L., P.; Sun, L. C., W.-C.; Kamalanathan, M. B., & H.; Quigg, A. (2020). Can the protein/carbohydrate (P/C) ratio of exopolymeric substances (EPS) be used as a proxy for its 'stickiness' and other biophysical properties?. In Ocean Sciences Meeting 2020

2019

Chin, W. V., C.; Tsai, S. X., C.; Kamalanathan, M. B., H.; Doyle, S. S., J.; Santschi, P. Q., & A (2019). Impacts of Crude Oil and Corexit on Extracellular Polymeric Substances: Their Production and Chemical Composition. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019
Kamalanathan, M. M., S.; Hillhouse, J. B., L.; Bacosa, H. Q., & A (2019). Intracellular Mechanisms Contributing to Oil Resistance by the Green Alga, Dunaliella tertiolecta. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019
White, A.R.; Jalali-Mousavi, M. B., H.P.; Xu, C. C., W.; Schwehr, K. S., P.H.; Quigg, A. S., & J (2019). Drastic Differences in Aggregation on a Rising Oil Droplet Caused by Different EPS. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019

2018

Bacosa, H. K., M.; Chiu, M. T., S.-M.; Sun, L. S., K.A.; Labonte, J. C., W.-C.; Santschi, P. Q., & A (2018). Exopolymeric substance (EPS) production by bacterial isolates from the northern Gulf of Mexico in response to WAF, CEWAF and Corexit. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Bacosa, H. K., M.; Cullen, J. X., C.; Schwehr, K. K., K.; Hala, D. S., & P.; Quigg, A. (2018). Marine snow aggregates are enriched in polycyclic aromatic hydrocarbons (PAHs) in oil contaminated waters; insights from a mesocosm study. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Bretherton, L. H., J.; Setta, S. G., J.; Kamalanathan, M. B., & H.; Quigg, A. (2018). Can oil spills cause toxic algal blooms in the Gulf of Mexico?. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Kamalanathan, M. G. B., G.; Doyle, S. B., H.; Bretherton, L. A., S.; Sylvan, S. W., T.L.; Knap, A. Q., & A (2018). Extracellular enzyme activities in a mesocosm experiment: insight into the microbial world during Deepwater Horizon oil spill. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Mapes, S. K., M.; Chiu, M. B., H.; Schwehr, K. B., L.; Santschi, P. C., & W.-C.; Quigg, A. (2018). Role of polysaccharide secretion by diatoms during an oil spill in the context of bacteria-diatom interaction. In Gulf of Mexico Graduate Student Symposium 2018
Schwehr, K. C., M.-H.; Kamalanathan, M. X., C.; Sun, L. L., P.; Bacosa, H. B., C.; Yard, A. B., M.; Chun, W. Q., & A.; Santschi, P. (2018). Insights on Does oil aggregate or emulsifyion with added dispersant? Results from measurements of surface tension, FTIR, and microscopy of Formation from colloidal EPS protein-polysaccharide interactions with oil and/or dispersants are added. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Sun, L. C., M.-H.; Xu, C. L., P.; Schwehr, K. B., H.; Kamalanathan, M. Q., A.; Chin, W. S., & P.H (2018). The effects of sunlight on the composition of exopolymeric substances affecting the aggregates formation during oil spills. In Ocean Sciences Meeting 2018
White, A. J., M.; Bacosa, H. K., M.; Sun, L. X., C.; Chiu, M. C., W.-C.; Schwehr, K. S., P.H.; Quigg, A. S., & J (2018). The effect of EPS composition on the aggregate formation on a crude oil drop interface. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018

2017

Bacosa, H. K., M.; Cullen, J. S., K.A.; Hala, D. Q., & A (2017). Marine snow aggregates are enriched in polycyclic aromatic hydrocarbons (PAHs) in oil contaminated waters; insights from a mesocosm study. In 2nd Annual Texas A&M Postdoctoral Research Symposium
Bretherton, L. H., J.; Setta, S. G., J.; Kamalanathan, M. B., & H.; Quigg, A. (2017). Can oil spills cause toxic algal blooms in the Gulf of Mexico?. In 2nd Annual Texas A&M Postdoctoral Research Symposium
Kamalanathan, M. C., M.-H.; Bacosa, H. S., K.A.; Bretherton, L. S., P.H.; Chin, W. Q., & A (2017). The mystery behind polysaccharide secretion by phytoplankton during an oil spill. In 2nd Annual Texas A&M Postdoctoral Research Symposium