Degradation of arsenobetaine by microorganisms associated with marine macro algae,Monostroma nitidium and Hizikia fusiforme |
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| Affiliation: | 1. Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Napoli, Italy;2. CEINGE-Biotecnologie Avanzate s.c. a r.l, Napoli, Italy;3. Laboratorio di Proteomica e Spettrometria di Massa, ISPAAM, Consiglio Nazionale delle Ricerche, Napoli, Italy;1. Marine Ecology Research Center, First Institute of Oceanography of State Oceanic Administration, Qingdao 266061, China;2. Xiamen Huaxia University, Xiamen 361024, China;3. Laboratory of Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China;4. Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China |
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| Abstract: | - 1.1. Arsenobetaine-containing growth media (ZoBell 2216E; solution of inorganic salts) were mixed with each of two marine macro algae, a green alga Monostroma nitidum and a brown alga Hizikia fusiforme, as a source of microorganisms.
- 2.2. The conversion of arsenobetaine to trimethylarsine oxide and/or dimethylarsinic acid by the microorganisms associated with the marine macro algae was confirmed in both the media.
- 3.3. A striking contrast, however, in the conversion pattern was observed between the two algae: arsenobetaine was converted to trimethylarsine oxide and trimethylarsine oxide to dimethylarsine acid successively with M. nitidum, while the reverse was observed with H. fusiforme.
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