Adaptation of flocculent anammox culture to low temperature by cold shock: long-term response of the microbial population
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F21%3A43921997" target="_blank" >RIV/60461373:22320/21:43921997 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22330/21:43921997
Result on the web
<a href="https://www.tandfonline.com/doi/full/10.1080/09593330.2021.1950842" target="_blank" >https://www.tandfonline.com/doi/full/10.1080/09593330.2021.1950842</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/09593330.2021.1950842" target="_blank" >10.1080/09593330.2021.1950842</a>
Alternative languages
Result language
angličtina
Original language name
Adaptation of flocculent anammox culture to low temperature by cold shock: long-term response of the microbial population
Original language description
Partial nitritation-anammox (PN/A) process will substantially reduce the costs for the removal of nitrogen in the mainstream of municipal sewage. However, one of the mainstream PN/A challenges is to reduce the time necessary for the adaptation of anammox bacteria to lower temperatures in mild climates. In this study, we exposed anammox flocculent culture to cold shocks [35°C → 5°C (8 h) → 15°C] and evaluated long-term cold shock response. Over a post-shock period of 40 d at 15°C, the nitrogen removal rates in the shocked culture were significantly higher compared to control, with maximum rates up to 0.082 and 0.033 kg-N/kg-VSS/d or 0.164 and 0.076 kg-N/m3/d, for shocked culture and control, respectively. In the corresponding semi-batch cycles, the shocked culture was on average 136 ± 101% more active than the control, due to the negative effect of cold shock on side populations and more active anammox cells. Per FISH, Ca. Brocadia anammoxidans and Ca. Scalindua survived the shock and remained present throughout. Thus, both anammox microorganisms seem to respond favourably to cold shocks. In sum, we provide further evidence that cold shocks accelerate the adaptation of anammox to the mainstream of municipal WWTPs. Further, for the first time, we report the long-term adaptive response of anammox to cold shocks.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20801 - Environmental biotechnology
Result continuities
Project
<a href="/en/project/GA17-25781S" target="_blank" >GA17-25781S: Physiological response of anammox bacteria to cold shocks</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Environmental Technology
ISSN
0959-3330
e-ISSN
0959-3330
Volume of the periodical
2021
Issue of the periodical within the volume
07/2021
Country of publishing house
GB - UNITED KINGDOM
Number of pages
9
Pages from-to
"nestrankovano"
UT code for WoS article
000673037500001
EID of the result in the Scopus database
—