Abstract：
:Meiosis is a specialized cell division at the origin of the haploid cells that eventually develop into the gametes. It therefore lies at the heart of Mendelian heredity. Recombination and redistribution of the homologous chromosomes arising during meiosis constitute an important source of genetic diversity, conferring to meiosis a particularly important place in the evolution and the diversification of the species. Our understanding of the molecular mechanisms governing meiotic recombination has considerably progressed these last decades, benefiting from complementary approaches led on various model species. An overview of these mechanisms will be provided as well as a discussion on the implications of these recent discoveries.
journal_name
C R Bioljournal_title
Comptes rendus biologiesauthors
Grelon Mdoi
10.1016/j.crvi.2016.04.003subject
Has Abstractpub_date
2016-07-01 00:00:00pages
247-51issue
7-8eissn
1631-0691issn
1768-3238pii
S1631-0691(16)30026-9journal_volume
339pub_type
杂志文章,评审abstract：:An agent-based model (AMB) used to simulate the spread of Human African Trypanosomiasis is presented together with the results of simulations of a focus of the disease. This model is a completely spatialized approach taking into account a series of often overlooked parameters such as human behaviour (activity-related ...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2003.12.002
更新日期：2004-01-01 00:00:00
abstract：:A new genus and species of stick insect is described and figured from Mount Halcon, on the Philippine island of Mindoro. Conlephasma enigma gen. et sp. n. is a stout, flightless, and apparently ground-dwelling species with vivid integumental colors. When disturbed, specimens spray a defensive secretion from the protho...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2012.07.004
更新日期：2012-09-01 00:00:00
abstract：:Euryhaline Cichlid fish of the species Coptodon guineensis are present in different water holes situated in a dried depression in the desert in the extreme South of Morocco, the Sebkha of Imlili. A genetic survey of this population, using complete sequences of the ND2 gene (mtDNA) and sixteen microsatellite loci, reve...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2018.01.002
更新日期：2018-02-01 00:00:00
abstract：:We used self-organizing maps (SOM, neural network) to bring out patterns of benthic macroinvertebrate diversity in relation to river pollution. Fourteen stations were sampled over various seasons in the Nestore drainage basin (Central Italy) and characterized for macroinvertebrate communities, nutrient and heavy metal...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2015.04.006
更新日期：2015-07-01 00:00:00
abstract：:Alloscorpiops (Laoscorpiops) calmonti subgen. n., sp. n., belonging to the family Euscorpiidae Laurie, is described on the basis of single female specimen collected in the Pathoumphone District of southern Laos. This new scorpion taxon may represent yet another endemic element for the fauna of Laos. The new subgenus i...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2013.01.001
更新日期：2013-01-01 00:00:00
abstract：:Exploiting the annotation of the western clawed frog Silurana tropicalis genome, we identified a new metallothionein (MT) gene, exhibiting all the features to be considered an active gene, but with an atypical coding region, showing only 17 cysteine residues instead of the canonical 20 cysteines of vertebrate metallot...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2015.03.011
更新日期：2015-05-01 00:00:00
abstract：:The history of selection of Daphnia magna populations living in North African temporary ponds may differ from populations inhabiting permanent ponds. Laboratory experiments were conducted to examine the effect of fish Gambusia holbrooki and invertebrate Notonecta glauca kairomones on the life history traits of the fre...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2010.09.004
更新日期：2010-11-01 00:00:00
abstract：:Spermiogenesis in Robphildollfusium fractum begins with the formation of a differentiation zone containing: two centrioles, each bearing striated rootlets, nucleus, several mitochondria and an intercentriolar body constituted by seven electron-dense layers. The two centrioles originate two free flagella growing orthog...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2012.06.003
更新日期：2012-07-01 00:00:00
abstract：:Rhizomania is one of serious threat to sugar beet production in Morocco and in several parts of the world. This disease led to a statistically significant decrease in the quality and yield of sugar beet plantations. Therefore, this study aimed at comparing the efficacy of six commonly used RNA extraction methods for t...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2018.06.003
更新日期：2018-01-01 00:00:00
abstract：:Ancientness and maturity are two major qualities of forest ecosystems. They are components of naturalness and are affected by human impact. These qualities and the associated terms are often mixed up and incorrectly used. We have carried out a synthesis in order to propose an adapted French terminology based on intern...
journal_title：Comptes rendus biologies
pub_type： 杂志文章,评审
doi：10.1016/j.crvi.2014.10.004
更新日期：2015-01-01 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
pub_type： 传,历史文章,杂志文章
doi：10.1016/j.crvi.2006.03.013
更新日期：2006-05-01 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
pub_type： 杂志文章
doi：10.1016/j.crvi.2007.12.006
更新日期：2008-03-01 00:00:00
abstract：:Cnidarians (corals and sea anemones) harbouring photosynthetic microalgae derive several benefits from their association. To allow this association, numerous symbiotic-dependent adaptations in both partners, resulting from evolutionary pressures, have been selected. The dinoflagellate symbionts (zooxanthellae) are loc...
journal_title：Comptes rendus biologies
pub_type： 杂志文章,评审
doi：10.1016/j.crvi.2018.03.007
更新日期：2018-01-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.crvi.2008.08.003
更新日期：2009-02-01 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
pub_type： 杂志文章
doi：10.1016/j.crvi.2006.04.002
更新日期：2006-07-01 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
pub_type： 杂志文章
doi：10.1016/j.crvi.2009.10.003
更新日期：2010-01-01 00:00:00
abstract：:The teratogenic effects of thermal stress were studied in the oviparous Italian wall lizard Podarcis sicula. To this purpose, the eggs were exposed to continuous or temporary cold (15°C) or warm (30°C) stresses and the effects were analysed at the cytological and molecular levels. The results demonstrated the lethalit...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2016.07.002
更新日期：2016-09-01 00:00:00
abstract：:This article demonstrates how that the effectiveness of nervous system in doing the computations essential to an organism can be based on using algorithms that are readily implemented by nervous system 'device biophysics'. Collective effects and collective algorithms that exploit their dynamics provide powerful potent...
journal_title：Comptes rendus biologies
pub_type： 杂志文章,评审
doi：10.1016/s1631-0691(03)00017-9
更新日期：2003-02-01 00:00:00
abstract：:5-(Hydroxymethyl)uracil, 5-formyluracil or 5-carboxyuracil can be formed in DNA upon exposure to ionizing radiations. We report the effect of the latter oxidative lesions on the in vitro transcription by T7 RNA polymerase using a single-stranded short model template. Kinetic experiments showed that the transcription y...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2005.07.003
更新日期：2005-09-01 00:00:00
abstract：:Two aspects of psychology and physiology of time are dealt with in this paper: the way time perception was increasingly studied during the 19th century by scientists, including many physicists, and the way the temporal properties of the nervous system were discovered and explored by physiologists. The neurophysiologic...
journal_title：Comptes rendus biologies
pub_type： 历史文章,杂志文章
doi：10.1016/j.crvi.2006.03.004
更新日期：2006-05-01 00:00:00
abstract：:The green birdmouth wrasse Gomphosus caeruleus is present all year round on the coral reefs of Reunion Island (Indian Ocean). A group of individuals was followed on one of these reefs with the objective of studying the reproduction mode of the species, the influence of environmental factors, and social behaviors on th...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2017.11.004
更新日期：2018-01-01 00:00:00
abstract：:In spite of great progress in schistosomiasis control during the last decade in Burkina Faso, this disease remains a public health concern in the country. Indeed, our study consisted of the analysis of parasitological data related to Schistosoma haematobium and Schistosoma mansoni and in malacological investigations. ...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2013.04.014
更新日期：2013-05-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.crvi.2009.09.008
更新日期：2009-11-01 00:00:00
abstract：:Male infertility is the cause in half of all childless partnerships. Numerous factors contribute to male infertility, including chromosomal aberrations and gene defects. Few data exist regarding the association of these chromosomal aberrations with male infertility in Arab and North African populations. We therefore a...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2014.02.006
更新日期：2014-04-01 00:00:00
abstract：:A brief history of the development of genomics is provided. Complete sequencing of genomes of uni- and multicellular organisms is based on important progress in sequencing and bioinformatics. Evolution of these methods is ongoing and has triggered an explosion in data production and analysis. Initial analyses focused ...
journal_title：Comptes rendus biologies
pub_type： 历史文章,杂志文章,评审
doi：10.1016/j.crvi.2016.05.002
更新日期：2016-07-01 00:00:00
abstract：:A new high-elevation scorpion species of the genus Scorpiops is described from the Indian state of Himachal Pradesh. Scorpiops spitiensis sp. nov. is the second highest-elevation scorpion species in Asia and the first one from India occurring at elevations above 4200 m. The new species closely resembles Scorpiops pete...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2014.04.004
更新日期：2014-06-01 00:00:00
abstract：:Cryptic species are numerous in the marine environment. The brittle star Ophioderma longicauda is composed of six mitochondrial lineages, encompassing brooders, which form a monophyletic group, and broadcasters, from which the brooders are derived. To clarify the species limits within O. longicauda, we compared the re...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2014.07.007
更新日期：2014-10-01 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
pub_type： 杂志文章
doi：10.1016/j.crvi.2007.10.007
更新日期：2008-01-01 00:00:00
abstract：:We propose to start the analysis of complex systems by systematically identifying the feedback circuits that govern their dynamics. These circuits can be identified without any ambiguity by examining the Jacobian matrix of the system. They provide precious information regarding the number and nature of steady states. ...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/s1631-0691(02)01452-x
更新日期：2002-04-01 00:00:00
abstract：:Females must evaluate male quality to perform mate choice. Since females generally base their selection on different male features, individual females may differ in their choice. In this study, we show that concordance between females in mate choice decisions may arise without any experimental maximization of a partic...
journal_title：Comptes rendus biologies
pub_type： 杂志文章
doi：10.1016/j.crvi.2012.01.004
更新日期：2012-03-01 00:00:00
