Posidonia oceanica, a top producer of dimethylsulfoniopropionate and dimethylsulfoxide
2019
Richir, Jonathan | Champenois, Willy | Engels, Guyliann | Abadie, Arnaud | Gobert, Sylvie | Lepoint, Gilles | Silva, João | Santos, Rui | Borges, Alberto | Chemical Oceanography Unit
Английский. peer reviewed
Показать больше [+] Меньше [-]Английский. We studied the dynamic of dimethylsulfoniopropionate and its derivative dimethylsulfoxide in Posidonia oceanica. The annual average concentrations in leaves were 129 ± 39 μmol.g for DMSP and 5.0 ± 2.1 μmol.g for DMSO. DMSP and DMSO concentrations decreased from a maximum in the fall to a minimum in the summer and were mainly correlated to the seagrass leaf size. The similar variation of the two molecule concentrations suggested that DMSO content results from oxidation of DMSP. The DMSP:DMSO ratio, considered as indicator of stress in Spartina alterniflora, remained constant around a mean value of 27.7 μmol:μmol. More research is now needed to investigate the functions of DMSP and DMSO in seagrasses, how the DMSP:DMSO ratio will vary under disturbance and whether it is useful as indicator of stress.
Показать больше [+] Меньше [-]DMSP and DMSO in seagrass meadows
Показать больше [+] Меньше [-]F.R.S.-FNRS (Fellowship-Grant 1237018F and contract 2.4.637.10; University of Liège (C-10/78 Fonds Spéciaux); (STARECAPMED program
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