Géraldine Loot
Maître
de Conférence
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Dernière mise à jour: Janvier 2010
Thématiques
Les relations
interspécifiques hôte/parasite:
• Parasitologie des poissons d’eau douce
• Impact des parasites sur la dynamique des populations naturelles
• Les relations de causalité dans les interactions hôte-parasite
• Variabilité spatio-temporelle des modèles d’infestation
• Impacts anthropiques sur la structuration des communautés de parasites
Interspecifics relationships host/parasite:
• Macroparasites
of freshwater fish
• Impact of parasites on host population dynamics
• Cause and consequence
in host-parasite interactions
• Spatial and temporal
patterns of parasite infection
• Impact of anthropic perturbation on parasite community structure
Publications
2010
Blanchet S., Rey O., Loot G. (2010) Evidence for host variation in parasite tolerance in a
wild fish population. Evolutionary Ecology. DOI
10.1007/s10682-010-9353-x. PDF
Blanchet S., Rey O., Etienne R., Lek S., Loot G. (2010) Species-specific responses to landscape
fragmentation: implications for management strategies.
Evolutionary Applications DOI:10.1111/j.1752-4571.2009.00110.x.
PDF
Loot G, Blanchet S and Thomas F (in press) “Vicious circles”
and disease spread: elements of discussion. Trends in Ecology and Evolution DOI: 10.1016/j.tree.2009.10.006.
PDF
2009
Aldana M, González K, Loot G, Pulgar
J and Marquet P. A. (2009) First Intermediate
Host of the Digenean Trematode
Proctoeces lintoni
(Fellodistomidae) in Chile. The Journal of Parasitology
95(6):1408-1414.
Blanchet S,
Thomas F and Loot G. (2009) Reciprocal effects between host phenotype and pathogens: new insights
from an old problem. Trends in Parasitology 25: 364-369. PDF
Blanchet S, Rey
O, Berthier P, Lek S and Loot
G. (2009) Evidence of
parasite-mediated disruptive selection on genetic diversity in a wild fish
population. Molecular Ecology 18:
1112-1123.
PDF
Blanchet S, Méjean L, Bourque J.F, Lek S,
Thomas F, Marcogliese D.J, Dodson J.J and Loot G. (2009) Why parasitized hosts look different? Resolving the “chicken-egg” dilemma. Oecologia 160: 37-47. PDF
2008
Bouzid W,
Štefka J, Hypša V, Lek S, Scholz T and Loot G. (2008) Geography and host
specificity: two forces behind the genetic structure of Ligula
intestinalis (Cestoda: Diphyllobothriidae)
a parasite of freshwater fish. International
Journal of Parasitology 38 (12): 1465-1479. PDF
Bouzid W, Lek S, Macé M, Ben Hassine O, Etienne R, Legal L and Loot G. (2008) Genetic
diversity assessment of the cosmopolitan parasite Ligula intestinalis (Cestoda:
Pseudophyllidea). Journal of Zoological Systematics and
Evolutionary Research 46 (4):
289-296. PDF
Blanchet S, Loot
G and Dodson JJ. (2008) Competition, predation and flow rate as
mediators of direct and indirect effects on a stream food chain. Oecologia 157 (1): 93-104. PDF
Blanchet S, Loot
G, Bernatchez L and Dodson JJ. (2008) The interaction of interspecific competition and environmental variability on
the diel activity of
Grenouillet G, Brosse S, Tudesque L, Lek
S, Baraillé Y and Loot G (2008) Spatial
autocorrelation and concordance among stream assemblages along a fragmented
gradient. Diversity and Distribution PDF
Loot G, Blanchet S, Aldana M, and
2007
Loot G, Reyjol Y, Poulet N,
Simkova A, Blanchet S and S Lek
(2007) Effect of small
weirs on fish parasite communities. Parasitology
Research 101 (5): 1265-1276. PDF
Blanchet S, Loot G, Bernatchez L, and JJ Dodson (2007) The disruption of dominance hierarchies by a non-native species: an
individual-based analysis.
Oecologia 152: 569-581. PDF
Blanchet S, Loot G, Grenouillet G and S Brosse
(2007) Competitive
interactions between native and exotic salmonids: a
combined field and laboratory demonstration. Ecology of Freshwater Fish 16(2): 133-143. PDF
2006
Loot G, Park YS, S Lek
and
2005
Loot G, Aldana M and S Navarrete (2005) Effects of human exclusion on
parasitism in intertidal food webs of central
Reyjol Y, Loot G and S Lek (2005) Estimating sampling biais
when using electrofishing to catch stone loach. Journal of Fish Biology 66: 1-3.
PDF
2004
Loot G, Poulet N, Reyjol Y, Blanchet S and S Lek (2004) The effects of the ectoparasite
Tracheliastes polycolpus (Copepoda : Lernaeopodidae) on the
fins of rostrum dace (Leuciscus leuciscus burdigalensis). Parasitology
Research 94 (1): 16-23. PDF
2002
Brown SP, Loot G, Teriokhin A, Brunel
A, Brunel C and JF Guégan (2002) Host manipulation by Ligula
intestinalis: a cause or consequence of parasite
aggregation? International Journal
for Parasitology 32: 817-824. PDF
Loot G, Aulagnier S, Lek S, Thomas
F and JF Guégan (2002) Experimental demonstration of a parasite Ligula intestinalis
(L.) induced behavioural modification in a cyprinid fish Rutilus
rutilus (L.). Canadian Journal of Zoology 80: 738-744. PDF
Loot G, Giraudel JL and S Lek (2002)
A non-destructive morphometric
technique to predict Ligula intestinalis (L.) plerocercoid
burden in roach (Rutilus rutilus (L.)) abdominal cavity. Ecological modelling 156: 1-11. PDF
Loot G, Poulin R, Lek S and J.F. Guégan (2002) The differential effects of Ligula intestinalis
(L.) plerocercoids on host growth in three natural
populations of roach (Rutilus rutilus (L.)). Ecology
of Freshwater Fish 11: 168-177. PDF
Brown SP, Loot G, Grenfell BT and JF Guégan (2002) Host manipulation by Ligula
intestinalis: a size-dependant strategy? Parasitology
123: 519-529. PDF
2001
Loot G, Franscisco P, Santoul F, Lek S and J.F. Guégan (2001) The life-cycle
of a parasite (Ligula intestinalis
(L.)) in Lavernose-Lacasse gravel-pit,
Loot G, Lek S and JF Guégan (2001)
Phenotypic modification of roach (Rutilus
rutilus (L.)) infected with Ligula
intestinalis (L.) (Cestoda,
Pseudophyllidea). The Journal of Parasitology 87
(5): 1002-1010. PDF
Loot G, Lek S, Dejean
D and JF Guégan (2001) Parasite-induced mortality in three host
populations of the roach, Rutilus rutilus (L.), by the tapeworm Ligula intestinalis (L.). Annales de Limnologie
/ International Journal of Limnology 37 (2): 151-159.
Loot G, Brosse S, Lek S and JF Guégan (2001) Behaviour of roach (Rutilus
rutilus (L.)) altered by Ligula
intestinalis (L.) (Cestoda : Pseudophyllidea) : a field demonstration. Freshwater biology (46):
1219-1227. PDF
Projets en cours et Collaborations
• Projet
Agence de l’eau Adour-Garonne (2007-2010)
Etude de l’impact de la fragmentation et du réchauffement climatique
sur deux rivières, le Viaur (Aveyron) et le Célé (Lot).
Collaboration Nicolas Poulet (ONEMA
Paris)
Laurence Blanc (ONEMA
Toulouse)
• Projet PAI Barrande-Egide
Collaboration Tomas Scholz, Jan Stefka, Vaclav Hypsa (2005-2007)
Institut de Parasitologie,
Laboratoire de Phylogénie Moléculaire et Evolution des Parasites, Ceské Budějovice, Republique Tchèque
Etude de la variabilité génétique des populations de parasites Ligula intestinalis
(Cestode, Pseudophyllidea)
• Collaboration Simon Blanchet, Julian
Dodson (2003-2007)
Université Laval, Département
de biologie, Québec, Canada
Interactions compétitives entre le saumon atlantique et la truite
arc-en-ciel : aspects écologiques, sélectifs et adaptatifs.
• Collaboration Tae-Soo
Chon, Yong-Hoon Lee (2008)
Division of Biological Sciences, College of Natural Sciences, Pusan National University, Pusan (Busan) 609-735 Korea.
Modélisation
mathématique du cycle complexe de Ligula intestinalis.
Enseignement 2009/2010
• Licence 2 Biologie
Animale: Anatomie
comparée et physiologie des vertébrés
• Licence 3 Biologie
Animale: Evolution et diversité animale
• Prépa Agrégation
Biologie Animale : Interactions
durables
• Responsable du module 3L6AB5M : Les interactions hôte-parasite PDF1 PDF2 PDF3 TP
• Maîtrise 1 module 3M7EL7M :
Structuration
et fonctionnement des Ecosystèmes PDF
Contact
Laboratoire Evolution et Diversité Biologique (EDB)
UMR 5174 CNRS -
Université Paul Sabatier
118 route de Narbonne, 31062
Toulouse cedex 4 - France.
Tél: +33 5 61 55 85 81 Fax: +33 5 61 55 67 28
Email: loot@cict.fr
