Modulation of dimethylsulfoniopropionate ( DMSP ) concentration in an 1
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Evidence for Intracellular and Extracellular Dimethylsulfoniopropionate (DMSP) Lyases and DMSP Uptake Sites in Two Species of Marine Bacteria.
The kinetics of dimethylsulfoniopropionate (DMSP) uptake and dimethylsulfide (DMS) production from DMSP in two bacterial species, Alcaligenes sp. strain M3A, an isolate from estuarine surface sediments, and Pseudomonas doudoroffii, from seawater, were investigated. In Alcaligenes cells induced for DMSP lyase (DL) activity, DMS production occurred without DMSP uptake. In DL-induced suspensions o...
متن کاملPrey-dependent retention of dimethylsulfoniopropionate (DMSP) by mixotrophic dinoflagellates
We investigated the retention of dimethylsulfoniopropionate (DMSP) in phototrophic dinoflagellates arising from mixotrophy by estimating the cellular content of DMSP in Karlodinium veneficum (mixotrophic growth) fed for 7-10 days on either DMSP-rich Amphidinium carterae (phototrophic growth only) or DMSP-poor Teleaulax sp. (phototrophic growth only). In K. veneficum fed on DMSP-poor prey, the c...
متن کاملProduction and consumption of dimethylsulfide (DMS) and dimethylsulfoniopropionate (DMSP) in a diatom-dominated intertidal sediment
Intertidal sediments usually contain a high amount of dimethylsulfoniopropionate (DMSP) and therefore represent environments with a potentially high emission of dimethylsulfide (DMS). However, knowledge on production and release of DMSP in intertidal sediments is limited. Here, we present data on the diel variation of the total DMS and DMSP content (DMS[P]total) and the DMS(P) concentration in ...
متن کاملTemperature, light, and the dimethylsulfoniopropionate (DMSP) content of Emiliania huxleyi (Prymnesiophyceae)
The precursor of the volatile S-compound dimethylsulfide (DMS), dimethylsulfoniopropionate (DMSP), is produced by marine microalgae, notably by Prymnesiophyceae. The production of DMSP by an axenic isolate of Emiliania huxleyi (Lohm.) Hay et Mohler under different temperature and light conditions was studied as a first step towards understanding the role of DMSP-producing algae in climate regul...
متن کاملA tertiary sulfonium compound, dimethylsulfoniopropionate in green sea algae, completely suppresses crucial Ehrlich ascites carcinoma in mice.
BACKGROUND/AIM Dimethylsulfoniopropionate (DMSP) has been intensively studied in bacteria, plankton, algae and salt-resistant plants to investigate its metabolism and fate in the atmosphere. However, its effects on diseased terrestrial animals have not yet been examined. We have found that DMSP exerts a great healing effect for a variety of inflammatory disorders in rodents. In the present stud...
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تاریخ انتشار 2012