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Improving on some results of J.-L. Nicolas [15], the elements of the set A = A(1 + z + z 3 + z 4 + z 5), for which the partition function p(A, n) (i.e. the number of partitions of n with parts in A) is even for all n ≥ 6 are determined. An asymptotic estimate to the counting function of this set is also given.

- Bertrand Genard, Philippe Miner, Jean-Louis Nicolas, Dario Moraga, Pierre Boudry, Fabrice Pernet +1 other
- PloS one
- 2013

BACKGROUND
Bacterial infections are common in bivalve larvae and can lead to significant mortality, notably in hatcheries. Numerous studies have identified the pathogenic bacteria involved in such mortalities, but physiological changes associated with pathogen exposure at larval stage are still poorly understood. In the present study, we used an integrative… (More)

- Matthieu Garnier, Yannick Labreuche, Jean-Louis Nicolas
- Systematic and applied microbiology
- 2008

Eleven Vibrio isolates invading the hemolymph of live and moribund oysters (Crassostrea gigas) collected in the field and from a hatchery in France, were characterized by a polyphasic approach. Phylogenetic analysis of 16S rRNA, gyrB and toxR genes indicated high homogeneity between these strains and the Vibrio aestuarianus type strain (ATCC35048(T)), and… (More)

Let h(n) denote the largest product of primes whose sum is n, and g(n) denote the Landau function, which is the largest product of powers of primes whose sum is n. In this article, several properties of h(n) are given and compared to similar properties of g(n). Special attention is paid to the behavior of the largest prime factor of h(n).

- Stéphanie Madec, Vianney Pichereau, Annick Jacq, Mathieu Paillard, Claire Boisset, Fabienne Guérard +2 others
- PloS one
- 2014

Vibrio tapetis causes the brown ring disease in the Japanese clam Ruditapes philippinarum while Vibrio aestuarianus is associated with massive oyster mortalities. As extracellular proteins are often associated with the virulence of pathogenic bacteria, we undertook a proteomic approach to characterize the secretomes of both vibrios. The extracellular… (More)