scholarly journals Synthèse des connaissances des Mantodea de Guyane

Naturae ◽  
2020 ◽  
Author(s):  
Nicolas MOULIN ◽  
Roger ROY
Keyword(s):  
Index Number ◽  
Mitochondrial Cytochrome ◽  
Grand Nombre ◽  
Cytochrome Oxydase

Cet article fait le point sur les connaissances des Mantes en Guyane. Il compile à la fois des données plus ou moins anciennes de la collection générale du bâtiment d’entomologie au Muséum national d’Histoire naturelle (MNHN, Paris) ; ainsi que des données plus récentes provenant de la collection privée du premier auteur, des échantillonnages de la Société Entomologique Antilles-Guyane (SEAG) et des collectes provenant de la mission scientifique « La Planète Revisitée » dans le massif du Mitaraka, en 2015. L’ensemble des données (4424 spécimens) ont été saisies sous CardObs (INPN – Inventaire national du Patrimoine naturel). Parmi ces données, 2448 spécimens, dont la technique de collecte est connue, ont été analysés afin de comprendre la répartition, l’abondance et l’écologie d’un grand nombre d’espèces de Mantes de Guyane. Le nombre d’espèces de Mantes recensées en Guyane s’élève actuellement à 90 espèces. 299 spécimens ont été séquencés à partir du gène mitochondrial Cytochrome Oxydase-I (COI) afin d’établir les fondations d’une bibliothèque de référence de barcodes ADN des Mantes de Guyane. 250 séquences ont été obtenues, lesquelles englobent 82 BINs (« Barcode Index Number », assimilés à des espèces). À cette occasion, nous soulignons également le problème lié à la présence des pseudogènes nucléaires mitochondriaux (numts), un problème connu dans le séquençage des espèces d’Orthoptères, et la possibilité d’infections par Wolbachia. Enfin, nous discutons des implications taxonomiques possibles de nos résultats de séquençage ADN et des orientations de recherche futures.

Variability of the mitochondrial cytochrome oxydase subunit i gene sequence in species of the genera Aedes and Ochlerotatus (Diptera: Culicidae)

2013 ◽  
Vol 3 (4) ◽  
pp. 279-286 ◽  
Author(s):  
N. V. Khrabrova ◽  
Yu. V. Andreeva ◽  
O. V. Vaulin ◽  
S. S. Alekseeva ◽  
A. K. Sibataev
Keyword(s):  
Gene Sequence ◽  
Mitochondrial Cytochrome ◽  
I Gene ◽  
Cytochrome Oxydase

Multiplex PCR assay to discriminate four neighbouring species of the Calliptamus genus (Orthoptera: Acrididae) from France

2010 ◽  
Vol 100 (6) ◽  
pp. 701-706 ◽  
Author(s):  
E. Blanchet ◽  
L. Blondin ◽  
P.A. Gagnaire ◽  
A. Foucart ◽  
J.M. Vassal ◽  
...  
Keyword(s):  
Multiplex Pcr ◽  
Species Identification ◽  
Mitochondrial Cytochrome ◽  
Pcr Assay ◽  
Species Determination ◽  
Southern France ◽  
Multiplex Pcr Assay ◽  
Pcr Method ◽  
Definition Of ◽  
Cytochrome Oxydase

AbstractDefinition of the genus Calliptamus (Orthoptera: Acrididae) has generated many taxonomic debates. Even now, the existence of different geographical morphs hinders species determination, particularly as concerns females and larvae. Some of these species are observed in southern France and are recognized as potential pests. To circumvent problems of species identification in ecological surveys, we developed a single multiplex PCR method based on mitochondrial Cytochrome Oxydase I diagnostic polymorphisms to differentiate between the four species, Calliptamus italicus, C. wattenwylianus, C. siciliae and C. barbarus, in southern regions of France.

Etude numérique des tourbillons de Karman à grand nombre de Reynolds

2001 ◽  
pp. 39-45
Author(s):  
Thierry Chiappa ◽  
Jean-Loup Deniau
Keyword(s):  
Grand Nombre

High Antibody Levels to Prothrombin Imply a Risk of Deep Venous Thrombosis and Pulmonary Embolism in Middle-aged Men

1997 ◽  
Vol 78 (04) ◽  
pp. 1178-1182 ◽  
Author(s):  
Timo Palosuo ◽  
Jarmo Virtamo ◽  
Jari Haukka ◽  
Philip R Taylor ◽  
Kimmo Aho ◽  
...  
Keyword(s):  
Pulmonary Embolism ◽  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Plasma Proteins ◽  
Alpha Tocopherol ◽  
Index Number ◽  
Thromboembolic Events ◽  
Middle Aged ◽  
Phospholipid Binding ◽  
Antiprothrombin Antibodies

SummaryAntibodies against phospholipid-binding plasma proteins, such as β2-glycoprotein I (β2-GPI) and prothrombin, are associated with thromboembolic events in patients with systemic lupus erythematosus and also in subjects with no evident underlying diseases. We wanted to examine whether increased levels of antibodies to negatively-charged phospholipids (cardiolipin), to phospholipid-binding plasma proteins β2-GPI and prothrombin and to oxidised low-density lipoprotein (LDL) were associated with risk of deep venous thrombosis or pulmonary embolism in subjects with no previous thrombosis. The antibodies were measured in stored serum samples from 265 cases of deep venous thrombosis of the lower extremity or pulmonary embolism occurring during a median follow-up of about 7 years and from 265 individually matched controls. The study subjects were middle-aged men participating in a cancer prevention trial of alpha-tocopherol and beta-carotene and the cases of thromboembolic events were identified from nationwide Hospital Discharge Register.The risk for thrombotic events was significantly increased only in relation to antiprothrombin antibodies. As adjusted for body mass index, number of daily cigarettes and history of chronic bronchitis, myocardial infarction and heart failure at baseline, the odds ratio per one unit of antibody was 6.56 (95% confidence interval 1.73-25.0). The seven highest individual optical density-unit values of antiprothrombin antibodies were all confined to subjects with thromboembolic episodes.In conclusion, the present nested case-control study showed that high autoantibody levels against prothrombin implied a risk of deep venous thrombosis and pulmonary embolism and could be involved in the development of the thrombotic processes.

Examination of the lubricant storing and releasing ability of thermally sprayed surfaces

2011 ◽  
Vol 2 (2) ◽  
pp. 101-105
Author(s):  
L. Fazekas ◽  
Z. S. Tiba ◽  
G. Kalácska
Keyword(s):  
Free Energy ◽  
Surface Energy ◽  
Surface Free Energy ◽  
Essential Role ◽  
Index Number ◽  
Adhesion Ability ◽  
Thermally Sprayed ◽  
Proper Operation

Abstract The lubricant storing and releasing ability of the thermally sprayed surfaces plays an essential role in the proper operation of the components. In the case of porous sprayed surfaces the lubricant storing and releasing ability depends mainly on porosity and the surface energy (adhesion susceptibility). The adhesion ability can also be expressed indirectly with an index number that is by determining the surface free energy.

The unknown acquaintance, or the impact factor and others

2007 ◽  
Vol 148 (4) ◽  
pp. 165-171
Author(s):  
Anna Berhidi ◽  
Edit Csajbók ◽  
Lívia Vasas
Keyword(s):  
Impact Factor ◽  
Citation Analysis ◽  
Index Number ◽  
Scientific Performance ◽  
H Index ◽  
Master List ◽  
The Many ◽  
The Impact

Nobody doubts the importance of the scientific performance’s evaluation. At the same time its way divides the group of experts. The present study mostly deals with the models of citation-analysis based evaluation. The aim of the authors is to present the background of the best known tool – Impact factor – since, according to the authors’ experience, to the many people use without knowing it well. In addition to the „nonofficial impact factor” and Euro-factor, the most promising index-number, h-index is presented. Finally new initiation – Index Copernicus Master List – is delineated, which is suitable to rank journals. Studying different indexes the authors make a proposal and complete the method of long standing for the evaluation of scientific performance.

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