@article{fdi:010085194,
  title = {{T}he biotechnological potential of microbial communities from {A}ntarctic soils and sediments : application to low temperature biogenic methane production},
  author = {{A}guilar-{M}unoz, {P}. and {L}avergne, {C}. and {C}hamy, {R}. and {C}abrol, {L}{\'e}a},
  editor = {},
  language = {{ENG}},
  abstract = {{A}naerobic digestion ({AD}) is an attractive bioprocess for waste treatment and energy recovery through methanerich biogas production. {U}nder temperate to cold climate, the implementation of {AD} for low-organic load wastewater treatment has been limited to date, due to the energetic and economic cost of maintaining optimal mesophilic temperature. {H}ence, we aim at (i) exploring the biotechnological potential of a microbial inoculum from {A}ntarctic soils and sediments to run {AD} at low temperatures; and (ii) evaluating the effect of temperature over a psychrophilic-mesophilic range on both methane production rates and microbial community composition. {M}ethane production stimulated by acetate amendment was detected from 5 to 37 degrees {C}, with a maximum at 25 degrees {C}, corresponding to the highest relative abundance of methanogenic archaea (c. 21.4% of the total community). {F}rom 5 to 25 degrees {C}, the predominant methanogen was {M}ethanosaeta, while it shifted to {M}ethanocorpusculum at 30 degrees {C}. {C}ompared with an industrial mesophilic sludge, the relative methane production rate at 5 degrees {C} (compared to the maximum) was 40% greater in the {A}ntarctic inoculum. {M}icrobial communities from permanently cold {A}ntarctic sediments efficiently produce methane at low temperatures revealing a biotechnological potential for the treatment of low-organic load residues in cold regions.},
  keywords = {{P}olar region ; {B}ioprocesses ; {A}rchaea ; {B}acteria ; {H}igh throughput sequencing ; {QPCR} ; {M}icrocosms},
  booktitle = {},
  journal = {{J}ournal of {B}iotechnology},
  volume = {351},
  numero = {},
  pages = {38--49},
  ISSN = {0168-1656},
  year = {2022},
  DOI = {10.1016/j.jbiotec.2022.04.014},
  URL = {https://www.documentation.ird.fr/hor/fdi:010085194},
}