Toxicity of organotins towards cyanobacterial photosynthesis and nitrogen fixation
FEMS Microbiology Letters, ISSN: 1574-6968, Vol: 84, Issue: 2, Page: 205-210
1991
- 17Citations
- 8Captures
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Article Description
Inhibition of photosynthesis by a range of organotin compounds in Plectonema boryanum was concentration-dependent and decreased in the order tributyltin (BuSnCl) > tripropyltin (PrSnCl) ≥ dibutyltin (BuSnCl) ≥ triphenyltin (PhSnCl) > triethyltin (EtSnCl) > trimethyltin (MeSnCl) > monobutyltin (BuSnCl). IC values were determined for the most toxic organotin species and varied from approximately 1.2 μM for BuSnCl to approximately 13 μM for PhSnCl. A similar order of inhibition of photosynthesis was observed in Anabaena cylindrica, although here IC values were slightly lower (e.g. approximately 1 μM for BuSnCl and 5 μM for PhSnCl).Nitrogenase activity was generally more sensitive to inhibition by organotin compounds than photosynthesis in A. cylindrica and this was particularlyy evident for BuSnCl; approximate IC values for BuSnCl were 3 and 9 μM, as estimated by nitrogenase activity and photosynthesis, respectively. These results indicate that organotin compounds have the potential to inhibit cyanobacterial metabolism in aquatic systems. © 1991.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0025936187&origin=inward; http://dx.doi.org/10.1111/j.1574-6968.1991.tb04597.x; https://academic.oup.com/femsle/article-lookup/doi/10.1111/j.1574-6968.1991.tb04597.x; http://academic.oup.com/femsle/article-pdf/84/2/205/19395155/84-2-205.pdf; https://dx.doi.org/10.1111/j.1574-6968.1991.tb04597.x; https://academic.oup.com/femsle/article/84/2/205/579692
Oxford University Press (OUP)
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