Search Results - "AMSLER, CHARLES D."

Hidden Diversity in an Antarctic Algal Forest: Metabolomic Profiling Linked to Patterns of Genetic Diversification in the Antarctic Red Alga Plocamium sp by Shilling, Andrew J, Heiser, Sabrina, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…The common Antarctic red alga sp. is rich in halogenated monoterpenes with known anticancer and antimicrobial properties and extracts of sp. have strong…”
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West Antarctic Peninsula: An Ice-Dependent Coastal Marine Ecosystem in Transition by DUCKLOW, HUGH W., FRASER, WILLIAM R., MEREDITH, MICHAEL P., STAMMERJOHN, SHARON E., DONEY, SCOTT C., MARTINSON, DOUGLAS G., SAILLEY, SÉVRINE F., SCHOFIELD, OSCAR M., STEINBERG, DEBORAH K., VENABLES, HUGH J., AMSLER, CHARLES D.

“…The extent, duration, and seasonality of sea ice and glacial discharge strongly influence Antarctic marine ecosystems. Most organisms' life cycles in this…”
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Neosuberitenone, a New Sesterterpenoid Carbon Skeleton; New Suberitenones; and Bioactivity against Respiratory Syncytial Virus, from the Antarctic Sponge Suberites sp by Bracegirdle, Joe, Olsen, Stine S H, Teng, Michael N, Tran, Kim C, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…Respiratory syncytial virus (RSV) is a highly contagious human pathogen that poses a significant threat to children under the age of two, and there is a…”
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Bioactivity of Spongian Diterpenoid Scaffolds from the Antarctic Sponge Dendrilla antarctica by Bory, Alexandre, Shilling, Andrew J, Allen, Jessie, Azhari, Ala, Roth, Alison, Shaw, Lindsey N, Kyle, Dennis E, Adams, John H, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…The Antarctic sponge is rich in defensive terpenoids with promising antimicrobial potential. Investigation of this demosponge has resulted in the generation of…”
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Anverenes B⁻E, New Polyhalogenated Monoterpenes from the Antarctic Red Alga Plocamium cartilagineum by Shilling, Andrew J, von Salm, Jacqueline L, Sanchez, Anthony R, Kee, Younghoon, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…The subtidal red alga was collected from the Western Antarctic Peninsula during the 2011 and 2017 austral summers. Bulk collections from specific sites…”
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Declines in plant palatability from polar to tropical latitudes depend on herbivore and plant identity by Demko, Alyssa M., Amsler, Charles D., Hay, Mark E., Long, Jeremy D., McClintock, James B., Paul, Valerie J., Sotka, Erik E.

“…Long-standing theory predicts that the intensity of consumer–prey interactions declines with increasing latitude, yet for plant–herbivore interactions,…”
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Juvenile morphology of the large Antarctic canopy-forming brown alga, Desmarestia menziesii J. Agardh by Küpper, Frithjof C., Amsler, Charles D., Morley, Simon, de Reviers, Bruno, Reichardt, Aurelia, Peck, Lloyd S., Peters, Akira F.

“…For many types of seaweeds in Polar Regions, open questions remain about how their life cycle contributes to their overall adaptation to the extreme abiotic…”
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Multi-frequency observations of seawater carbonate chemistry on the central coast of the western Antarctic Peninsula by Schram, Julie B., Schoenrock, Kathryn M., McClintock, James B., Amsler, Charles D., Angus, Robert A.

“…Assessments of benthic coastal seawater carbonate chemistry in Antarctica are sparse. The studies have generally been short in duration, during the austral…”
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Site-specific variability in the chemical diversity of the Antarctic red alga Plocamium cartilagineum by Young, Ryan M, von Salm, Jacqueline L, Amsler, Margaret O, Lopez-Bautista, Juan, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…Plocamium cartilagineum is a common red alga on the benthos of Antarctica and can be a dominant understory species along the western Antarctic Peninsula. Algae…”
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Effects of sonication and advanced chemical oxidants on the unicellular green alga Dunaliella tertiolecta and cysts, larvae and adults of the brine shrimp Artemia salina: A prospective treatment to eradicate invasive organisms from ballast water by Gavand, Meghana R., McClintock, James B., Amsler, Charles D., Peters, Robert W., Angus, Robert A.

“…Uptake and release of ship-borne ballast water is a major factor contributing to introductions of aquatic phytoplankton and invasive macroinvertebrates. Some…”
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To change or not to change: drivers of defensive secondary metabolite distribution in the red macroalga Plocamium sp by Heiser, Sabrina, Shilling, Andrew J., Amsler, Charles D., McClintock, James B., Baker, Bill J.

“…Understanding the spatial distribution of intraspecific variation, like defense phenotypes of sessile organisms, is important for identifying drivers of…”
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Effects of ocean acidification on the shells of four Mediterranean gastropod species near a CO2 seep by Duquette, Ashley, McClintock, James B., Amsler, Charles D., Pérez-Huerta, Alberto, Milazzo, Marco, Hall-Spencer, Jason M.

“…Marine CO2 seeps allow the study of the long-term effects of elevated pCO2 (ocean acidification) on marine invertebrate biomineralization. We investigated the…”
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Tetrasporophytic bias coupled with heterozygote deficiency in Antarctic Plocamium sp. (Florideophyceae, Rhodophyta) by Heiser, Sabrina, Amsler, Charles D., Stoeckel, Solenn, McClintock, James B., Baker, Bill J., Krueger‐Hadfield, Stacy A.

“…Meiosis and syngamy generate an alternation between two ploidy stages, but the timing of these two processes varies widely across taxa, thereby generating life…”
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Diverse inorganic carbon uptake strategies in Antarctic seaweeds: Revealing species-specific responses and implications for Ocean Acidification by Fernández, Pamela A., Amsler, Charles D., Hurd, Catriona L., Díaz, Patricio A., Gaitán-Espitia, Juan Diego, Macaya, Erasmo C., Schmider-Martínez, Andreas, Garrido, Ignacio, Murúa, Pedro, Buschmann, Alejandro H.

“…Seaweeds are important components of coastal benthic ecosystems along the Western Antarctic Peninsula (WAP), providing refuge, food, and habitat for numerous…”
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Every Rule Has an Exception: a Cheater in the Community-Wide Mutualism in Antarctic Seaweed Forests by Heiser, Sabrina, Amsler, Charles D, McClintock, James B, Shilling, Andrew J, Baker, Bill J

“…Synopsis Dense macroalgal forests on the Western Antarctic Peninsula serve important ecological roles both in terms of considerable biomass for primary…”
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Tongalides, Halogenated Butenolides from an Antarctic Delisea sp. Rhodophyte by Bracegirdle, Joe, Kennedy, Sarah J., Shan, Chuan, Wojtas, Lukasz, Shaw, Lindsey N., Amsler, Charles D., McClintock, James B., Baker, Bill J.

“…Six new halogenated butenolides, tongalides A–C (1–3) and their acetylated congeners (4–6), were isolated from an extract of the Antarctic rhodophyte Delisea…”
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The importance of integrating phycological research, teaching, outreach, and engagement in a changing world by Stancheva, Rosalina, Cantonati, Marco, Manoylov, Kalina, Furey, Paula C, Cahoon, A Bruce, Jones, R Christian, Gillevet, Pat, Amsler, Charles D, Wehr, John D, Salerno, Jennifer L, Krueger-Hadfield, Stacy A

“…The ecological, evolutionary, economic, and cultural importance of algae necessitates a continued integration of phycological research, education, outreach,…”
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Spongian Diterpenoids Derived from the Antarctic Sponge Dendrilla antarctica Are Potent Inhibitors of the Leishmania Parasite by Shilling, Andrew J, Witowski, Christopher G, Maschek, J. Alan, Azhari, Ala, Vesely, Brian A, Kyle, Dennis E, Amsler, Charles D, McClintock, James B, Baker, Bill J

“…From the CH2Cl2 extract of the Antarctic sponge Dendrilla antarctica we found spongian diterpenes, including previously reported aplysulphurin (1),…”
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Surface sequestration of chemical feeding deterrents in the Antarctic sponge Latrunculia apicalis as an optimal defense against sea star spongivory by FURROW, F. Bruce, AMSLER, Charles D, MCCLINTOCK, James B, BAKER, Bill J

“…Latrunculia apicalis is a spherically shaped demosponge that previous investigations have shown is rarely preyed upon by sea stars which are the dominant…”
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Chemical mediation of mutualistic interactions between macroalgae and mesograzers structure unique coastal communities along the western Antarctic Peninsula by Amsler, Charles D, McClintock, James B, Baker, Bill J, Graham, M

“…Hard bottom communities along the western Antarctic Peninsula region are dominated by thick macroalgal forests, which support high densities of mesograzers,…”
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