abstract：:I here provide some field observations and literature data showing that egg laying site availability could be the main limiting factor for most arboreal gecko population dynamics. Several natural (typhoons, volcanism, sea level variations) or human-mediated habitat modifications (garden openings in forested areas) pro...

journal_title：Comptes rendus biologies

authors： Ineich I

更新日期：2010-01-01 00:00:00

abstract：:For comparative primatology proper recognition of basal taxa (i.e. species) is indispensable, and in this the choice of a suitable gene with high phylogenetic resolution is crucial. For the goals of species identification in animals, the cytochrome c oxidase subunit 1 (cox1) has been introduced as standard marker. Mak...

journal_title：Comptes rendus biologies

authors： Nijman V,Aliabadian M

更新日期：2010-01-01 00:00:00

abstract：:The shoot apical meristem is a population of stem cells which controls the initiation of leaves, flowers and branches during the entire life of the plant. Although we have gained significant new insight in the nature of the genetic networks and cellular processes that control meristem function, major questions have re...

journal_title：Comptes rendus biologies

authors： Traas J,Hamant O

更新日期：2009-11-01 00:00:00

abstract：:Phenotypic variability in nature is the most important feature for Darwinian adaptation, yet it has been rarely investigated in invasive species. Zaprionus indianus is an Afrotropical drosophilid species that have recently invaded the Palearctic and the Neotropical regions. Here, we compared the variability of three s...

journal_title：Comptes rendus biologies

authors： Yassin A,David JR,Bitner-Mathé BC

更新日期：2009-10-01 00:00:00

abstract：:Wheat (Triticum aestivum L.) is one of the most important agricultural crops worldwide. However, water is the most important limiting factor for wheat production. This study was initiated to test water stress environmental effects on grain quality and nutritional value of wheat by using single different water conditio...

journal_title：Comptes rendus biologies

authors： Zhao CX,He MR,Wang ZL,Wang YF,Lin Q

更新日期：2009-08-01 00:00:00

abstract：:Psychometric tests obtained from 6564 young men were studied as a function of the parents' ages at conception and of some characteristics of the subject's postnatal environment. Individual scores, from 0 to 20, were divided into two groups: n(1)11 and n(2)<11. In univariate analysis, scores <11 were respectively relat...

journal_title：Comptes rendus biologies

authors： Auroux M,Volteau M,Ducot B,Wack T,Letierce A,Meyer L,Mayaux MJ

更新日期：2009-07-01 00:00:00

abstract：:Two ground-dwelling couas species, Coquerel's Coua Coua coquereli and Giant Coua Coua gigas, live in sympatry in the dry forest of Madagascar. These birds are typically insectivorous and mainly feed at ground level. The two species differ by size but have the same morphology, suggesting they have the same physical att...

journal_title：Comptes rendus biologies

authors： Chouteau P

更新日期：2009-06-01 00:00:00

abstract：:In this study, we investigate skull size and shape differentiation between sibling species of Mastomys with the aim to characterize and discriminate three sympatric species found in West Africa: M. huberti, M. erythroleucus and M. natalensis. A total of 133 genetically determined specimens were used for the morphometr...

journal_title：Comptes rendus biologies

authors： Lalis A,Evin A,Denys C

更新日期：2009-05-01 00:00:00

abstract：:The genetic diversity analysis of 90 barley samples, including 45 wild close relatives of barley from the Tibet region of China and 45 wild accessions from different countries throughout the Middle East, were carried out using ISSR and SSR markers. The results showed that Tibetan wild close relatives of barley had a h...

journal_title：Comptes rendus biologies

authors： Wang A,Yu Z,Ding Y

更新日期：2009-04-01 00:00:00

abstract：:Mussels of the subfamily Bathymodiolinae thrive around chimneys emitting hot fluids at deep sea hydrothermal vents, as well as at cold seeps and on sunken organic debris (sunken wood, whale falls). Despite the absence of light-driven primary production in these deep-sea ecosystems, mussels succeed reaching high biomas...

journal_title：Comptes rendus biologies

authors： Duperron S,Lorion J,Samadi S,Gros O,Gaill F

更新日期：2009-02-01 00:00:00

abstract：:Phylogeny, be it morphological or molecular, has long tried to explain the extant biodiversity by the Tree of Species, which is a logical consequence of strict Darwinian evolutionary principles. Through constant improvement of both methods and data sets, some parts of this diversity have actually been demonstrated to ...

journal_title：Comptes rendus biologies

authors： Lopez P,Bapteste E

更新日期：2009-02-01 00:00:00

abstract：:This article starts with the observation of a non-linear relationship between health progress and economic development. This relationship is interpreted as resulting from a bidirectional interaction between these two variables, which may lead a country to a poverty trap or, alternatively, to a virtuous circle of econo...

journal_title：Comptes rendus biologies

authors： Berthélemy JC

更新日期：2008-12-01 00:00:00

abstract：:Various methods of suberin extraction have been used in order to identify monomers of this complex polymer. Pre-extraction of waxes has allowed us to identify for the first time 3-friedelanol as a terpen from cork. Moreover, the wax chemical composition found here varied from previous results since cerin was not ident...

journal_title：Comptes rendus biologies

authors： Coquet C,Ferré E,Peyronel D,Dal Farra C,Farnet AM

更新日期：2008-11-01 00:00:00

abstract：:Oilseed rape (Brassica napus L.) is a major oil crop that also supplies proteins for the feed industry. In order to reduce total cost production, the objective is to increase oil yield while reducing crop inputs (especially nitrogen and pesticides). Concomitantly, it is necessary to anticipate specific uses (e.g., fat...

journal_title：Comptes rendus biologies

authors： Nesi N,Delourme R,Brégeon M,Falentin C,Renard M

更新日期：2008-10-01 00:00:00

abstract：:Citrus trees are subject to several abiotic constraints such as salinity. Providing new rootstocks more tolerant is thus a requirement. In this article, we investigated salt stress tolerance of three tetraploid rootstock genotypes when compared to their respective diploid rootstocks (Poncirus trifoliata, Carrizo citra...

journal_title：Comptes rendus biologies

authors： Saleh B,Allario T,Dambier D,Ollitrault P,Morillon R

更新日期：2008-09-01 00:00:00

abstract：:This study was undertaken to assess the risk of poisoning due to consumption of the puffer fish Lagocephalus lagocephalus collected along the Tunisian coast. Wistar rats were daily intraperitoneally injected, for 10 days, with acidic extracts of liver or flesh (muscles + skin) of L. lagocephalus. Control rats received...

journal_title：Comptes rendus biologies

authors： Saoudi M,Abdelmouleh A,Kammoun W,Ellouze F,Jamoussi K,El Feki A

更新日期：2008-08-01 00:00:00

abstract：:In the present investigation, a total of 51 marine fungi were obtained from wood samples collected from four locations of Tamil Nadu (Tuthukudi, Chennai, Kanyakumari and Pichavaram), India. Out of these 51, 28 were ascomycetes, one was basidiomycete and 22 were mitosporic fungi. Maximum fungal diversity was encountere...

journal_title：Comptes rendus biologies

authors： Nambiar GR,Raveendran K,Changxing Z,Jaleel CA

更新日期：2008-06-01 00:00:00

abstract：:A key point in the study of acoustic perception is whether brain responsiveness to sounds depends on sound acoustic structure or sound perceptive salience. Songbirds provide some evidence that higher auditory regions are sensitive to the subjective importance of the stimulus for the subject. In the present paper, we c...

journal_title：Comptes rendus biologies

authors： Vignal C,Bouchut C,Mathevon N

更新日期：2008-05-01 00:00:00

abstract：:This study compared the behaviour of six autochthonous pear millet ecotypes collected through the Tunisian territory under salt stress from germination to maturity. It showed that salt has little effect on germination rate and coleoptile emergence. However, this effect is more significant for radicular growth and betw...

journal_title：Comptes rendus biologies

authors： Radhouane L

更新日期：2008-04-01 00:00:00

abstract：:The aim of this experimental study was to investigate kin discrimination in the polecat and to analyse the ontogeny of interactions. Juvenile polecats (ten males and nine females) had been raised under four distinct experimental conditions: 1, kin, familiar; 2, kin, unfamiliar; 3, non-kin, familiar; 4, non-kin, unfami...

journal_title：Comptes rendus biologies

authors： Lodé T

更新日期：2008-03-01 00:00:00

abstract：:Daily numbers of deaths at a regional level were collected in 16 European countries. Summer mortality was analyzed for the reference period 1998-2002 and for 2003. More than 70,000 additional deaths occurred in Europe during the summer 2003. Major distortions occurred in the age distribution of the deaths, but no harv...

journal_title：Comptes rendus biologies

authors： Robine JM,Cheung SL,Le Roy S,Van Oyen H,Griffiths C,Michel JP,Herrmann FR

更新日期：2008-02-01 00:00:00

abstract：:The cardiac gland region in the stomachs of eleven babirusa (Babyrousa babyrussa) from zoological collections was studied by scanning and transmission electron microscopy. An array of tightly-packed, thin-walled tubes, closely resembling a 'honeycomb' covered this region. The tubes were between twelve and sixteen cell...

journal_title：Comptes rendus biologies

authors： Macdonald AA,Mitchell S,Signorella A,Leus K

更新日期：2008-01-01 00:00:00

abstract：:This study aimed at showing the applicability of using a combination of four sampling methods (i.e., Winkler extractors, pitfall traps, baiting and manual collection), something most often conducted in the tropics, to create an inventory of ant species diversity in temperate environments. We recorded a total of 33 ant...

journal_title：Comptes rendus biologies

authors： Groc S,Delabie JH,Céréghino R,Orivel J,Jaladeau F,Grangier J,Mariano CS,Dejean A

更新日期：2007-12-01 00:00:00

abstract：:The authors' purpose will be here to underline the continuity of the adaptative processes that make Homo sapiens, sometimes a brilliant inventor, sometimes a mere imitator, forging tools already conceived by Nature itself. ...

journal_title：Comptes rendus biologies

authors： Gaillot F,Lledo PM

更新日期：2007-10-01 00:00:00

abstract：:Any clinician dreams to obtain the regeneration of the destroyed organ for his patient. In the human being, the regeneration of complex structures is not possible, except the liver and the bone marrow, which can be regenerated because of the presence of adult stem cells in these tissues. The stem cells have two princi...

journal_title：Comptes rendus biologies

authors： Renard E,Lopez-Cazaux S,Guicheux J,Weiss P,Laboux O,Alliot-Licht B

更新日期：2007-09-01 00:00:00

abstract：:The concept of biodiversity hotspot at the regional and global scale has contributed to the improvement of the conservation strategies. The need for precise evaluation is often hampered by lapses of knowledge in some Mediterranean regional hotspots. The objective of the present work is to analyse the diversity of ende...

journal_title：Comptes rendus biologies

authors： Véla E,Benhouhou S

更新日期：2007-08-01 00:00:00

abstract：:Cell therapy was born in 1968 with the first allogeneic transplantation of hematopoietic stem cells for two immune deficiency disorders: the Wiskott-Aldrich syndrome and the Severe Combined ImmunoDeficiency (SCID). From this pioneering experience, thousands of patients affected with inherited or acquired diseases of t...

journal_title：Comptes rendus biologies

authors： Cavazzana-Calvo M,Dal-Cortivo L,André-Schmutz I,Hacein-Bey Abina S,Fischer A

更新日期：2007-06-01 00:00:00

abstract：:The pluripotent epiblast cells in the early embryo are destined to form both the somatic cells and primordial germ cells. In the few cells that undergo specification to establish the germ cell lineage, there is repression of the somatic programme. Recent evidence shows that, Blimp1, a known transcriptional repressor w...

journal_title：Comptes rendus biologies

authors： Surani MA

更新日期：2007-06-01 00:00:00

abstract：:The Mediterranean stone pine Pinus pinea L. (gymnosperm, Pinaceae) is much appreciated for its seed production, widely used in food preparation in the Mediterranean Basin. Seeds contain 25% proteins on a dry-weight basis. Pinus pinea accumulate globulins as major storage proteins in seeds (75% of total storage protein...

journal_title：Comptes rendus biologies

authors： Nasri N,Triki S

更新日期：2007-05-01 00:00:00

abstract：:The approaches used by demographers and by epidemiologists for studying the fecundity of couples (i.e. their ability to conceive) have converged, whereas they were historically divergent. Demography traditionally focused on fertility - the circumstances in which livebirths occur - with the aim of predicting population...

journal_title：Comptes rendus biologies

authors： Leridon H

更新日期：2007-04-01 00:00:00

abstract：:Productivity (trophic energy) is one of the most important factors promoting variation in species richness. A variety of species-energy relationships have been reported, including monotonically positive, monotonically negative, or unimodal (i.e. hump-shaped). The exact form of the relationship seems to depend, among o...

journal_title：Comptes rendus biologies

authors： Tedesco PA,Ibañez C,Moya N,Bigorne R,Camacho J,Goitia E,Hugueny B,Maldonado M,Rivero M,Tomanová S,Zubieta JP,Oberdorff T

更新日期：2007-03-01 00:00:00

abstract：:This study aims at characterization four cultivars of the olive trees, Chétoui, Chemlali, Gerboui, and Chaïbi, cultivated in three different geographical locations, from pomological and technological points of view. The pomological characters of the fruit are influenced by the geographical location. Each individual of...

journal_title：Comptes rendus biologies

authors： Hannachi H,Msallem M,Ben Elhadj S,El Gazzah M

更新日期：2007-02-01 00:00:00

abstract：:Enhanced stop codon readthrough is a potential treatment strategy for diseases caused by nonsense mutations. Here, we compare readthrough levels induced by three types of factors: aminoglycoside antibiotics, suppressor tRNAs, and factors decreasing translation termination efficiency. We show that the highest levels of...

journal_title：Comptes rendus biologies

authors： Diop D,Chauvin C,Jean-Jean O

更新日期：2007-01-01 00:00:00

abstract：:The overall rate of functioning of a set of free sequential enzymes of the Michaelis-Menten type involved in a metabolic pathway has been computed as a function of the concentration of the initial substrate under steady-state conditions. Curves monotonically increasing up to a saturation plateau have been obtained in ...

journal_title：Comptes rendus biologies

authors： Legent G,Thellier M,Norris V,Ripoll C

更新日期：2006-12-01 00:00:00

abstract：:Members of the APOBEC family of cellular polynucleotide cytidine deaminases (e.g., APOBEC3G) are potent inhibitors of HIV infection. Wild type viral infections are largely spared from APOBEC function through the action of the viral Vif protein. In Vif's absence, inhibitory APOBEC proteins are encapsidated by budding v...

journal_title：Comptes rendus biologies

authors： Malim MH

更新日期：2006-11-01 00:00:00

abstract：:Tomato seedlings grown on nitric medium and treated with various cadmium concentrations (0 to 50 microM) were used. Results obtained show that cadmium remains predominantly located in the roots, which then seem to play the role of trap-organs. Increasing cadmium concentration in the medium leads particularly to a decr...

journal_title：Comptes rendus biologies

authors： Chaffei C,Suzuki A,Masclaux-Daubresse C,Ghorbel MH,Gouia H

更新日期：2006-10-01 00:00:00

abstract：:Despite the fact that coverage is one of the most widely used descriptors for seagrass meadows, the spatial structure of coverage at mesoscale has not often been taken into account. The present work investigates the structure of P. oceanica coverage at mesoscale and its possible relationship with several factors (dept...

journal_title：Comptes rendus biologies

authors： Leriche A,Boudouresque CF,Gravez V,Mayot N

更新日期：2006-09-01 00:00:00

abstract：:A number of different neuropeptides exert powerful concerted controls on feeding behavior and energy balance, most of them being produced in hypothalamic neuronal networks under stimulation by anabolic and catabolic peripheral hormones such as ghrelin and leptin, respectively. These peptide-expressing neurons intercon...

journal_title：Comptes rendus biologies

authors： Nahon JL

更新日期：2006-08-01 00:00:00

abstract：:In the frame of the largest French project of artificial production reefs, initiated by the city of Marseilles in 2001, the present study aimed at describing the hydrodynamic pattern of the coastal area considered, by the use of a 3D numerical modelling. Results were local wind statistics, bottom current fields and dr...

journal_title：Comptes rendus biologies

authors： Pradal MA,Millet B

更新日期：2006-07-01 00:00:00

abstract：:For a very long time, arguments supporting the neuro-humoral theory, produced by the pharmacologist Henri Dale, did not convince one of the main supporters of the electrical theory, the neurophysiologist John C. Eccles. This article gives a reminder of certain technical elements of this debate between two giants, whic...

journal_title：Comptes rendus biologies

authors： Dupont JC

更新日期：2006-05-01 00:00:00