Major changes in the composition of a Southern Ocean bacterial community in response to diatom-derived dissolved organic matter

M Landa, S Blain, J Harmand, S Monchy… - FEMS Microbiology …, 2018 - academic.oup.com
Abstract In the Southern Ocean, natural iron fertilization in the wake of islands leads to
annually occurring spring phytoplankton blooms associated with enhanced heterotrophic …

Modélisation et observation des bioprocédés à membranes: application à la digestion anaérobie

B Benyahia - 2012 - theses.hal.science
Cette thèse porte sur la modélisation des réacteurs membranaires anaérobies. Dans une
première partie, nous proposons une analyse mathématique générique d'un modèle de …

Asymptotic observers and integer programming for functional classification of a microbial community in a chemostat

P Ugalde-Salas, J Harmand… - 2019 18th European …, 2019 - ieeexplore.ieee.org
From genetic sequencing, dry biomass, and metabolites measurements, the assignment of
functions to the species present in chemostat experiments was solved by merging chemostat …

Towards functional molecular fingerprints

M Dumont, J Harmand, A Rapaport… - Environmental …, 2009 - Wiley Online Library
One of the most important challenges in microbial ecology is to determine the ecological
function of dominant microbial populations in their environment. In this paper we propose a …

Reduced order dead-beat observers for the chemostat

I Karafyllis, ZP Jiang - Nonlinear Analysis: Real World Applications, 2013 - Elsevier
This paper studies the strong observability property and the reduced-order dead-beat
observer design problem for a continuous bioreactor. New relationships between …

Species coexistence in nitrifying chemostats: A model of microbial interactions

M Dumont, JJ Godon, J Harmand - Processes, 2016 - mdpi.com
In a previous study, the two nitrifying functions (ammonia oxidizing bacteria (AOB) or nitrite-
oxidizing bacteria (NOB)) of a nitrification reactor—operated continuously over 525 days …

Microbial interactions as drivers of a nitrification process in a chemostat

P Ugalde-Salas, H Ramírez C, J Harmand… - Bioengineering, 2021 - mdpi.com
This article deals with the inclusion of microbial ecology measurements such as
abundances of operational taxonomic units in bioprocess modelling. The first part presents …

Modelling interactions of a microbial community through an optimal tracking control approach

P Ugalde-Salas, J Harmand… - 2020 European …, 2020 - ieeexplore.ieee.org
Genetic sequencing measurements of the existing species in a reactor are incorporated into
a classic chemostat model through a non linear optimal tracking approach. The framework is …

Mathematical Models of Microbial Community Dynamics in Continuous Cultures

P Ugalde - 2020 - theses.hal.science
Today, the modelling of microbial dynamics only relies on many different phenomenological
laws, that were inferred from the study of pure cultures, the most famous one being the …

[PDF][PDF] H.; Harmand, J.; Desmond-Le Quéméner, E. Microbial Interactions as Drivers of a Nitrification Process in a Chemostat. Bioengineering 2021, 8, 31

P Ugalde-Salas, C Ramírez - 2021 - academia.edu
This article deals with the inclusion of microbial ecology measurements such as
abundances of operational taxonomic units in bioprocess modelling. The first part presents …