Long-Term Dechlorination of Polychlorinated Biphenyls (PCBs) in Taihu Lake Sediment Microcosms: Identification of New Pathways, PCB-Driven Shifts of Microbial Communities, and Insights into Dechlorination Potential

2021 ◽  
Author(s):  
Lei Xu ◽  
Sha Liu ◽  
Yanqiang Tang ◽  
Xuexin Han ◽  
Ying Wang ◽  
...  
Keyword(s):  
Polychlorinated Biphenyls ◽  
Microbial Communities ◽  
Lake Sediment ◽  
Taihu Lake

scholarly journals Long-Term Temporal Trends of Polychlorinated Biphenyls and Their Controlling Sources in China

2017 ◽  
Vol 51 (5) ◽  
pp. 2838-2845 ◽  
Author(s):  
Shizhen Zhao ◽  
Knut Breivik ◽  
Guorui Liu ◽  
Minghui Zheng ◽  
Kevin C. Jones ◽  
...  
Keyword(s):  
Polychlorinated Biphenyls ◽  
Temporal Trends

Long-term N inputs shape microbial communities more strongly than current-year inputs in soils under 10-year continuous corn cropping

2021 ◽  
pp. 108361
Author(s):  
Micaela Tosi ◽  
William Deen ◽  
Rhae Drijber ◽  
Morgan McPherson ◽  
Ashley Stengel ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Continuous Corn

Using a lake sediment record to infer the long-term history of cyanobacteria and the recent rise of an anatoxin producing Dolichospermum sp.

Harmful Algae ◽  
2021 ◽  
Vol 101 ◽  
pp. 101971
Author(s):  
William O. Hobbs ◽  
Theo W. Dreher ◽  
Edward W. Davis ◽  
Rolf D. Vinebrooke ◽  
Siana Wong ◽  
...  
Keyword(s):  
Lake Sediment ◽  
Sediment Record ◽  
History Of

Validation of questionnaire-based long-term dietary exposure to polychlorinated biphenyls using biomarkers

2012 ◽  
Vol 56 (11) ◽  
pp. 1748-1754 ◽  
Author(s):  
Charlotte Bergkvist ◽  
Agneta Åkesson ◽  
Anders Glynn ◽  
Karl Michaëlsson ◽  
Panu Rantakokko ◽  
...  
Keyword(s):  
Polychlorinated Biphenyls ◽  
Dietary Exposure ◽  
Validation Of Questionnaire

scholarly journals Do soil bacterial communities respond differently to abrupt or gradual additions of copper?

2018 ◽  
Vol 95 (1) ◽  
Author(s):  
Michael McTee ◽  
Lorinda Bullington ◽  
Matthias C Rillig ◽  
Philip W Ramsey
Keyword(s):  
Heavy Metals ◽  
Soil Respiration ◽  
Microbial Communities ◽  
Bacterial Communities ◽  
Diversity Indices ◽  
Microbial Populations ◽  
Metal Concentrations ◽  
Soil Bacterial Communities ◽  
Bacterial Richness

ABSTRACTMany experiments that measure the response of microbial communities to heavy metals increase metal concentrations abruptly in the soil. However, it is unclear whether abrupt additions mimic the gradual and often long-term accumulation of these metals in the environment where microbial populations may adapt. In a greenhouse experiment that lasted 26 months, we tested whether bacterial communities and soil respiration differed between soils that received an abrupt or a gradual addition of copper or no copper at all. Bacterial richness and other diversity indices were consistently lower in the abrupt treatment compared to the ambient treatment that received no copper. The abrupt addition of copper yielded different initial bacterial communities than the gradual addition; however, these communities appeared to converge once copper concentrations were approximately equal. Soil respiration in the abrupt treatment was initially suppressed but recovered after four months. Afterwards, respiration in both the gradual and abrupt treatments wavered between being below or equal to the ambient treatment. Overall, our study indicates that gradual and abrupt additions of copper can yield similar bacterial communities and respiration, but these responses may drastically vary until copper concentrations are equal.

Sign in / Sign up

Export Citation Format

Share Document