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Increased intracellular concentrations of DMSP and DMSO in iron-limited oceanic phytoplankton Thalassiosira oceanica and Trichodesmium erythraeum
Increased intracellular DMSO Trichodesmium erythraeum
2014/4/2
We investigated the link between iron (Fe) limitation and intracellular dimethylsulfoniopropionate (DMSP)
concentration in two oceanic phytoplankton species, the diatom Thalassiosira oceanica and the...
Production of organic matter by Trichodesmium IMS101 as a function of phosphorus source
Production of organic matter by Trichodesmium IMS101 as a function of phosphorus source
2014/4/17
Herein we present the results of a series of laboratory experiments conducted to delineate the relationship between dissolved organic phosphorus (DOP) utilization and organic matter production by the ...
Phosphonate metabolism by Trichodesmium IMS101 and the production of greenhouse gases
Phosphonate metabolism Trichodesmium IMS101 the production of greenhouse gases
2014/4/17
A series of laboratory experiments were conducted to investigate (1) the capacity of Trichodesmium IMS101 to hydrolyze phosphonates as a source of phosphorus (P) for growth, (2) the stoichiometric rel...
Calcium carbonate precipitation induced by the growth of the marine cyanobacterium Trichodesmium
Calcium carbonate precipitation marine cyanobacterium Trichodesmium
2014/4/17
In this laboratory study, we monitored the buildup of biomass and concomitant shift in seawater carbonate
chemistry over the course of a Trichodesmium bloom under different phosphorus (P) availabilit...
Cross-basin comparison of phosphorus stress and nitrogen fixation in Trichodesmium
phosphorus stress nitrogen fixation
2014/4/17
We investigated the phosphorus (P) status and N2 fixation rates of Trichodesmium populations from the North
Pacific, western South Pacific, and western North Atlantic. Colonies of Trichodesmium were ...
Aerobic hydrogen production and dinitrogen fixation in the marine cyanobacterium Trichodesmium erythraeum IMS101
Aerobic hydrogen production dinitrogen fixation the marine cyanobacterium Trichodesmium erythraeum IMS101
2014/4/21
Rates of hydrogen production and acetylene reduction were measured in aerobic cultures of the marine cyanobacterium Trichodesmium erythraeum IMS101 grown in a supplemented seawater medium low in combi...
Assessment of relative phosphorus limitation of Trichodesmium spp. in the North Pacific, North Atlantic, and the north coast of Australia
Assessment of relative phosphorus limitation of Trichodesmium spp. in the North Pacific North Atlantic the north coast of Australia
2014/4/21
Trichodesmium spp. is a colonial diazotrophic cyanobacterium that occurs in the oligotrophic tropics and subtropics. Because of its ability to fix atmospheric N2, it is likely to be growth limited by ...
Seasonal dynamics of new production from Trichodesmium N2 fixation and nitrate uptake in the upstream Kuroshio and South China Sea basin
Seasonal dynamics Trichodesmium N2 fixation
2014/4/21
The seasonal dynamics of primary production in the upstream Kuroshio was studied to understand why
pelagic fish are relatively populous in this oligotrophic tropical ocean region. The relative import...
Trichodesmium in the western Gulf of Mexico: 15N2 -fixation and natural abundance stable isotope evidence
Trichodesmium natural abundance stable isotope
2014/4/22
Surface aggregations of the diazotrophic cyanobacterium Trichodesmium were encountered at nearly every
station along a 300-km transect in the northwestern Gulf of Mexico during July 2000. 15N2-fixati...
Molecular assessment of phosphorus and iron physiology in Trichodesmium populations from the western Central and western South Atlantic
Molecular assessment phosphorus iron physiology
2014/4/22
Trichodesmium is capable of responding to low phosphorus (P) and low iron (Fe) concentrations through the
induction of alkaline phosphatase (AP) activity (an enzyme that hydrolyzes inorganic phosphat...
CO2 control of Trichodesmium N2 fixation, photosynthesis, growth rates, and elemental ratios: Implications for past, present, and future ocean biogeochemistry
CO2 control Trichodesmium N2 fixation photosynthesis growth rates elemental ratios past present future ocean biogeochemistry
2014/4/22
Diazotrophic marine cyanobacteria in the genus Trichodesmium contribute a large fraction of the new nitrogen entering the oligotrophic oceans, but little is known about how they respond to shifts in g...
Physiological constraints on the global distribution of Trichodesmium – effect of temperature on diazotrophy
Physiological constraints global distribution Trichodesmium diazotrophy
2010/1/14
The cyanobacterium Trichodesmium is an important link in the global nitrogen cycle due to its significant input of atmospheric nitrogen to the ocean. Attempts to incorporate Trichodesmium in ocean bio...
Effects of dust deposition and river discharges on trace metal composition of Trichodesmium spp. in the tropical and subtropical North Atlantic Ocean
dust deposition river discharges trace metal composition Trichodesmium spp. tropical subtropical North Atlantic Ocean
2014/5/4
We present the elemental composition (Al, Cd, Co, Cu, Fe, Mn, Mo, Ni, V, Zn, and P) of field-collected Trichodesmium populations. To distinguish the effects of river discharges (Amazon and Niger River...
Nitrogen fixation and release of fixed nitrogen by Trichodesmium spp. in the Gulf of Mexico
Nitrogen fixation release fixed nitrogen Trichodesmium spp. Gulf of Mexico
2014/5/4
During a 3-yr study in the Gulf of Mexico, we measured dinitrogen (N2) fixation and nitrogen (N) release by Trichodesmium and compared these rates with water column N demand and the estimated N necess...
Flexible elemental stoichiometry in Trichodesmium spp. and its ecological implications
Flexible elemental stoichiometry Trichodesmium spp. ecological implications
2014/5/4
We conducted laboratory experiments to assess the bioelemental plasticity of cultures of Trichodesmium IMS101 under phosphorus (P)-replete, P-restricted, and light-limited conditions. The results reve...