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Adaptation to resistant hosts increases fitness on susceptible hosts in the plant parasitic nematode Globodera pallida.

Ecology and evolution

Fournet S, Eoche-Bosy D, Renault L, Hamelin FM, Montarry J.
PMID: 27066239
Ecol Evol. 2016 Mar 14;6(8):2559-68. doi: 10.1002/ece3.2079. eCollection 2016 Apr.

Trade-offs between virulence (defined as the ability to infect a resistant host) and life-history traits are of particular interest in plant pathogens for durable management of plant resistances. Adaptation to plant resistances (i.e., virulence acquisition) is indeed expected to...

Genetic diversity in populations of Cronartium ribicola in plantations and natural stands of Pinus strobus.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Hamelin RC, Beaulieu J, Plourde A.
PMID: 24170049
Theor Appl Genet. 1995 Dec;91(8):1214-21. doi: 10.1007/BF00220932.

Genetic diversity was studied in 22 populations of the white pine blister rust fungus Cronartium ribicola from natural stands and plantations of eastern white pine, Pinus strobus. Pseudo-allelic frequencies were estimated at each of 7 putative RAPD loci by...

Crystallization-induced asymmetric transformation of chiral-at-metal ruthenium(II) complexes bearing achiral ligands.

Chemistry (Weinheim an der Bergstrasse, Germany)

Hamelin O, Pécaut J, Fontecave M.
PMID: 15146526
Chemistry. 2004 May 17;10(10):2548-54. doi: 10.1002/chem.200305749.

Recently, we observed that the enantiopure Lambda form of the tributylammonium salt of the chiral anion tris[tetrachlorobenzene-1,2-bis(olato)]phosphate, also named Trisphat, was able to induce an efficient resolution of a Delta,Lambda racemic mixture of cis-[Ru(dmp)2(NCCH3)2](PF6)2 (dmp=2,9-dimethyl-1,10-phenanthroline) due to the spontaneous...

Molecular and Physiological Analysis of the Powdery Mildew Antagonist Pseudozyma flocculosa and Related Fungi.

Phytopathology

Avis TJ, Caron SJ, Boekhout T, Hamelin RC, Bélanger RR.
PMID: 18943343
Phytopathology. 2001 Mar;91(3):249-54. doi: 10.1094/PHYTO.2001.91.3.249.

ABSTRACT A number of phenotypic and genotypic characteristics were used to ascertain the identity and diversity of Pseudozyma flocculosa, a natural antagonist of powdery mildews that has received little attention in terms of taxonomy. To this end, several putative...

Barrier to Gene Flow Between Eastern and Western Populations of Cronartium ribicola in North America.

Phytopathology

Hamelin RC, Hunt RS, Geils BW, Jensen GD, Jacobi V, Lecours N.
PMID: 18944469
Phytopathology. 2000 Oct;90(10):1073-8. doi: 10.1094/PHYTO.2000.90.10.1073.

ABSTRACT The population structure of Cronartium ribicola from eastern and western North America was studied to test the null hypothesis that populations are panmictic across the continent. Random amplified polymorphic DNA markers previously characterized in eastern populations were mostly...

Catalytic asymmetric sulfoxidation by chiral manganese complexes: acetylacetonate anions as chirality switches.

Inorganic chemistry

Schoumacker S, Hamelin O, Pécaut J, Fontecave M.
PMID: 14632533
Inorg Chem. 2003 Dec 01;42(24):8110-6. doi: 10.1021/ic0346533.

Three manganese(II) complexes, namely [Mn(1)(ClO(4))(2)] (3), [Mn(1)(acac)(2)] (4), and [Mn(2)(1)(acac)(4)] (5), were isolated from solutions of Mn(ClO(4))(2) or Mn(acac)(2), and an easily accessible diimine ligand (1S,2S)-N,N'-bis-pyridin-2-ylmethylene-cyclohexane-1,2-diamine (1). Their structure was determined by X-ray crystallography, and these complexes proved to...

Improved proteome coverage by using iTRAQ labelling and peptide OFFGEL fractionation.

Proteome science

Ernoult E, Gamelin E, Guette C.
PMID: 18851748
Proteome Sci. 2008 Oct 13;6:27. doi: 10.1186/1477-5956-6-27.

BACKGROUND: The development of mass spectrometric techniques and fractionation methods now allows the investigation of very complex protein mixtures ranging from subcellular structures to tissues. Nevertheless, this work is particularly difficult due to the wide dynamic range of protein...

Examination of Gould's modified S1 (mS1) selective medium and Angle's non-selective medium for describing the diversity of Pseudomonas spp. in soil and root environments.

FEMS microbiology ecology

Tarnawski S, Hamelin J, Locatelli L, Aragno M, Fromin N.
PMID: 19719620
FEMS Microbiol Ecol. 2003 Jul 01;45(2):97-104. doi: 10.1016/S0168-6496(03)00130-2.

Abstract Studies on the diversity of environmental culturable Pseudomonas populations are dependent on the isolation procedure. This procedure includes the use of selective media which may influence the recovery of strains and thus the diversity described. In this study,...

Characterization of the surfaceome of the metal-reducing bacterium Desulfotomaculum reducens.

Frontiers in microbiology

Dalla Vecchia E, Shao PP, Suvorova E, Chiappe D, Hamelin R, Bernier-Latmani R.
PMID: 25191310
Front Microbiol. 2014 Aug 19;5:432. doi: 10.3389/fmicb.2014.00432. eCollection 2014.

Desulfotomaculum reducens strain MI-1 is a Gram-positive, sulfate-reducing bacterium also capable of reducing Fe(III). Metal reduction in Gram-positive bacteria is poorly understood. Here, we investigated Fe(III) reduction with lactate, a non-fermentable substrate, as the electron donor. Lactate consumption is...

Intrinsic Dielectric Constant Anomaly in Critical Liquid Mixtures.

Physical review letters

Bose TK, Gopal BR, Hamelin J, Thoen J.
PMID: 10058004
Phys Rev Lett. 1995 Apr 03;74(14):2733-2736. doi: 10.1103/PhysRevLett.74.2733.

No abstract available.

First Report of the Aecial State of Melampsora larici-populina on Larix spp. in North America.

Plant disease

Grondin J, Bourassa M, Hamelin RC.
PMID: 30786454
Plant Dis. 2005 Nov;89(11):1242. doi: 10.1094/PD-89-1242B.

Melampsora larici-populina Kleb. was reported for the first time in eastern North America during 2002, on Populus spp., its telial host (1). M. larici-populina, a heteroecious rust, alternates between species of Populus and Larix. Since M. larici-populina was observed...

Mitochondrial roles and cytoprotection in chronic liver injury.

Biochemistry research international

Degli Esposti D, Hamelin J, Bosselut N, Saffroy R, Sebagh M, Pommier A, Martel C, Lemoine A.
PMID: 22745910
Biochem Res Int. 2012;2012:387626. doi: 10.1155/2012/387626. Epub 2012 Jun 15.

The liver is one of the richest organs in terms of number and density of mitochondria. Most chronic liver diseases are associated with the accumulation of damaged mitochondria. Hepatic mitochondria have unique features compared to other organs' mitochondria, since...

Showing 1 to 12 of 167 entries