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Single and joint effects of Zn and Cu to ATP pool and microbial recovery in continuous growth systems

Sengor, S. Sevinc, Gikas Petros, Moberly James G.

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URIhttp://purl.tuc.gr/dl/dias/515A5728-7DB2-4F0D-8AD3-3D631F3C4E5A-
Αναγνωριστικόhttps://doi.org/10.1002/jctb.5836-
Αναγνωριστικόhttps://onlinelibrary.wiley.com/doi/full/10.1002/jctb.5836-
Γλώσσαen-
Μέγεθος8 pagesen
ΤίτλοςSingle and joint effects of Zn and Cu to ATP pool and microbial recovery in continuous growth systemsen
ΔημιουργόςSengor, S. Sevincen
ΔημιουργόςGikas Petrosen
ΔημιουργόςΓκικας Πετροςel
ΔημιουργόςMoberly James G.en
ΕκδότηςJohn Wiley and Sonsen
ΠερίληψηBACKGROUND Four parallel continuous stirred tank reactors were used to investigate the single and joint exposure of Zn and Cu to Arthrobacter sp. JM018, in terms of the impact on the adenosine triphosphate (ATP) pool and microbial tolerance. RESULTS ATP, optical density (OD), and substrate concentration measurements indicated that Cu was more toxic than Zn under all conditions studied. The results showed that although both OD and ATP measurements individually reflected a decrease in microbial growth rate after the addition of metals for the reactors exposed to Cu, specific ATP (i.e. ATP/OD) showed only a temporary reduction followed by a monotonic return to pre‐exposure levels within 100 h. The latter implied tolerance and recovery in the energy status of these cells, after the initial shock due to the exposure to Cu. CONCLUSION Specific ATP is an important quantity to be considered as a measure of the activity or energy status of microbial biomass surviving after exposure to toxic metals or other unfavorable conditions. The study provides insights for maintaining metal‐tolerant microbial communities and to explore both quantitatively and experimentally the dynamics of ATP pool and microbial tolerance in metal‐contaminated environments. © 2018 Society of Chemical Industryen
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2020-08-28-
Ημερομηνία Δημοσίευσης2019-
Θεματική ΚατηγορίαContinuous stirred tank reactoren
Θεματική ΚατηγορίαCopperen
Θεματική ΚατηγορίαMicrobial toleranceen
Θεματική ΚατηγορίαSpecific ATPen
Θεματική ΚατηγορίαZincen
Βιβλιογραφική ΑναφοράS.S. Şengör, P. Gikas and J.G. Moberly, "Single and joint effects of Zn and Cu to ATP pool and microbial recovery in continuous growth systems," J. Chem. Technol. Biotechnol., vol. 94, no. 3, pp. 892-899, Mar. 2019. doi: 10.1002/jctb.5836en

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