Search Results - "Mackey, Katherine R.M."

Response of Photosynthesis to Ocean Acidification by Mackey, Katherine R.M., Morris, J. Jeffrey, Morel, François M.M., Kranz, Sven A.

“…All phytoplankton and higher plants perform photosynthesis, where carbon dioxide is incorporated into biomass during cell growth. Ocean acidification (OA) has…”
Get full text

Alternative photosynthetic electron flow to oxygen in marine Synechococcus by Bailey, Shaun, Melis, Anastasios, Mackey, Katherine R.M., Cardol, Pierre, Finazzi, Giovanni, van Dijken, Gert, Berg, Gry Mine, Arrigo, Kevin, Shrager, Jeff, Grossman, Arthur

“…Cyanobacteria dominate the world's oceans where iron is often barely detectable. One manifestation of low iron adaptation in the oligotrophic marine…”
Get full text

The influence of light on nitrogen cycling and the primary nitrite maximum in a seasonally stratified sea by Mackey, Katherine RM, Bristow, Laura, Parks, David R, Altabet, Mark A, Post, Anton F, Paytan, Adina

“…In the seasonally stratified Gulf of Aqaba Red Sea, both NO 2 - release by phytoplankton and NH 4 + oxidation by nitrifying microbes contributed to the…”
Get full text

PERSPECTIVE ON PHOTOSYNTHESIS IN THE OLIGOTROPHIC OCEANS: HYPOTHESES CONCERNING ALTERNATE ROUTES OF ELECTRON FLOW by Grossman, Arthur R, Mackey, Katherine R.M, Bailey, Shaun

“…Many regions of the open, oligotrophic oceans are depleted of nutrients, especially nitrogen and iron. The biogenesis and the functioning of the photosynthetic…”
Get full text

Diel cycling of DNA staining and nifH gene regulation in the unicellular cyanobacterium Crocosphaera watsonii strain WH 8501 (Cyanophyta) by Pennebaker, Kory, Mackey, Katherine R.M, Smith, Rachelle M, Williams, Stanly B, Zehr, Jonathan P

“…Crocosphaera watsonii WH 8501 is a marine unicellular cyanobacterium that fixes nitrogen primarily during the dark phase of a light-dark (LD) cycle. Circadian…”
Get full text

Aerosol trace metal leaching and impacts on marine microorganisms by Mahowald, Natalie M., Hamilton, Douglas S., Mackey, Katherine R. M., Moore, J. Keith, Baker, Alex R., Scanza, Rachel A., Zhang, Yan

“…Metal dissolution from atmospheric aerosol deposition to the oceans is important in enhancing and inhibiting phytoplankton growth rates and modifying plankton…”
Get full text

Recycled iron fuels new production in the eastern equatorial Pacific Ocean by Rafter, Patrick A., Sigman, Daniel M., Mackey, Katherine R. M.

“…Nitrate persists in eastern equatorial Pacific surface waters because phytoplankton growth fueled by nitrate (new production) is limited by iron. Nitrate…”
Get full text

Effects of African dust deposition on phytoplankton in the western tropical Atlantic Ocean off Barbados by Chien, Chia‐Te, Mackey, Katherine R. M., Dutkiewicz, Stephanie, Mahowald, Natalie M., Prospero, Joseph M., Paytan, Adina

“…Bioassay incubation experiments conducted with nutrients and local atmospheric aerosol amendments indicate that phosphorus (P) availability limited…”
Get full text

Seasonal variation of aerosol composition in Orange County, Southern California by Mackey, Katherine R.M., Stragier, Stephanie, Robledo, Laura, Cat, Linh Anh, Xu, Xiaomei, Capps, Scott, Treseder, Kathleen K., Czimczik, Claudia I., Faiola, Celia

“…Southern California is an urban metropolis bordered by mountains to the north and east and the Pacific Ocean to the west. Its unique geography and…”
Get full text

Toxicity of Atmospheric Aerosols on Marine Phytoplankton by Paytan, Adina, Mackey, Katherine R. M., Chen, Ying, Lima, Ivan D., Doney, Scott C., Mahowald, Natalie, Labiosa, Rochelle, Post, Anton F., Thiemens, Mark H.

“…Atmospheric aerosol deposition is an important source of nutrients and trace metals to the open ocean that can enhance ocean productivity and carbon…”
Get full text

Synthesizing the Effects of Submarine Groundwater Discharge on Marine Biota by Lecher, Alanna, Mackey, Katherine

“…Submarine groundwater discharge (SGD) is a global and well-studied geological process by which groundwater of varying salinities enters coastal waters. SGD is…”
Get full text

Effect of Temperature on Photosynthesis and Growth in Marine Synechococcus spp by Mackey, Katherine R.M., Paytan, Adina, Caldeira, Ken, Grossman, Arthur R., Moran, Dawn, McIlvin, Matthew, Saito, Mak A.

“…In this study, we develop a mechanistic understanding of how temperature affects growth and photosynthesis in 10 geographically and physiologically diverse…”
Get full text

Divergent responses of Atlantic coastal and oceanic Synechococcus to iron limitation by Mackey, Katherine R M, Post, Anton F, McIlvin, Matthew R, Cutter, Gregory A, John, Seth G, Saito, Mak A

“…Marine Synechococcus are some of the most diverse and ubiquitous phytoplankton, and iron (Fe) is an essential micronutrient that limits productivity in many…”
Get full text

Physiological and proteomic characterization of light adaptations in marine Synechococcus by Mackey, Katherine R. M., Post, Anton F., McIlvin, Matthew R., Saito, Mak A.

“…Summary Marine Synechococcus thrive over a range of light regimes in the ocean. We examined the proteomic, genomic and physiological responses of seven…”
Get full text

The Toxicity of Copper to Crocosphaera watsonii and Other Marine Phytoplankton: A Systematic Review by Lopez, Johann S., Lee, Lillian, Mackey, Katherine R. M.

“…The cupric ion (Cu2+) plays a dual role as both nutrient and toxicant to terrestrial and marine phytoplankton, functioning in multiple photochemical processes,…”
Get full text

Seasonal Succession and Spatial Patterns of Synechococcus Microdiversity in a Salt Marsh Estuary Revealed through 16S rRNA Gene Oligotyping by Mackey, Katherine R M, Hunter-Cevera, Kristen, Britten, Gregory L, Murphy, Leslie G, Sogin, Mitchell L, Huber, Julie A

“…are ubiquitous and cosmopolitan cyanobacteria that play important roles in global productivity and biogeochemical cycles. This study investigated the fine…”
Get full text

Understanding Ocean Acidification Impacts on Organismal to Ecological Scales by Andersson, Andreas J., Kline, David I., Edmunds, Peter J., Archer, Stephen D., Bednaršek, Nina, Carpenter, Robert C., Chadsey, Meg, Goldstein, Philip, Grottoli, Andrea G., Hurst, Thomas P., King, Andrew L., Kübler, Janet E., Kuffner, Ilsa B., Mackey, Katherine R.M., Menge, Bruce A., Paytan, Adina, Riebesell, Ulf, Schnetzer, Astrid, Warner, Mark E., Zimmerman, Richard C.

“…Ocean acidification (OA) research seeks to understand how marine ecosystems and global elemental cycles will respond to changes in seawater carbonate chemistry…”
Get full text

Rapid and gradual modes of aerosol trace metal dissolution in seawater by Mackey, Katherine R M, Chien, Chia-Te, Post, Anton F, Saito, Mak A, Paytan, Adina

“…Atmospheric deposition is a major source of trace metals in marine surface waters and supplies vital micronutrients to phytoplankton, yet measured aerosol…”
Get full text

A Photosynthetic Strategy for Coping in a High-Light, Low-Nutrient Environment by Mackey, Katherine R. M., Paytan, Adina, Grossman, Arthur R., Bailey, Shaun

“…Phytoplankton in high-light, low-nutrient ocean environments are challenged with maintaining high photosynthetic efficiency and simultaneously preventing…”
Get full text

Costs and Limitations of Marine Synechococcus Blue-Green Chromatic Acclimation by Lovindeer, Raisha, Abbott, Lawrence, Medina, Hannah, Mackey, Katherine R. M.

“…Benefits and trade-offs of blue/green chromatic acclimation (CA4) have received limited study. We investigated the energetic costs associated with executing…”
Get full text