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Série PLoS ONE
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PLoS ONE, Vol 10, n°9. The topology of a discussion: the #occupy case [texte imprimé] / Floriana Gargiulo, Auteur ; Jacopo Bindi, Auteur ; A. Apolloni, Auteur . - [s.d.] . - 14 p.
Langues : Français (fre)
Catégories : AUTRES SCIENCES FONDAMENTALES Index. décimale : U900-Informatique Exemplaires
Code-barres Cote Support Localisation Section Disponibilité ZV0170011.pdf U900-GAR Article scientifique LNERV Rayons Exclu du prêt Documents numériques
Cliquer pour voir pdfURL PLoS ONE, Vol.7, n°7. An international reference consensus genetic map with 897 marker loci based on 11 mapping populations for tetraploid groundnut (Arachis hypogaea L.) / Bhimana Gautami
PLoS ONE, Vol.7, n°7. An international reference consensus genetic map with 897 marker loci based on 11 mapping populations for tetraploid groundnut (Arachis hypogaea L.) [texte imprimé] / Bhimana Gautami, Auteur ; Daniel Fonceka, Auteur ; Manish K. Pandey, Auteur ; M C Moretzsohn, Auteur ; Venkataswamy Sujay, Auteur ; Hongde Qin, Auteur ; Yanbin Hong, Auteur ; Issa Faye, Auteur . - [S.l.] : Universite of new england, Australia, [s.d.] . - 11 p.
Langues : Anglais (eng)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : Marquage génétique, arachide, arachis hypogaea L. Index. décimale : F028-Génétique et amélioration des plantes Résumé : Only a few genetic maps based on recombinant inbred line (RIL) and backcross (BC) populations have been developed for tetraploid groundnut. The marker density, however, is not very satisfactory especially in the context of large genome size (2800 Mb/1C) and 20 linkage groups (LGs)_Therefore, using marker segregation data for 10 RILs and one BC population from the international groundnut community, with the help of common markers across different populations, a reference consensus genetic map has been developed. This map is comprised of 897 marker loci including 895 simple sequence repeat (SSR) and 2 cleaved amplified polymorphic sequence (CAPS) loci distributed on 20 LGs (a01-a10 and b01-b10)
spanning a map distance of 3, 863.6 cM with an average map density of 4.4 cM. The highest numbers of markers (70) were integrated on a01 and the least number of markers (21) on b09. The marker density, however, was lowest (6.4 cM) on a08 and highest (2.5 cM) on a01. The reference consensus map has been divided into 20 cM long 203 BINs. These BINs carry 1
(a10_02, a10_08 and a10_09) to 20 (al0_04) loci with an average of 4 marker loci per BIN. Although the polymorphism information content (PIC) value was available for 526 markers in 190 BINs, 36 and 111 BINs have at least one marker with >0.70 and >0.50 PIC values, respectively. This information will be useful for selecting highly informative and uniformly distributed markers for developing new genetic maps, background selection and diversity analysis. Most importantly, this referenoe consensus map will serve as a reliable reference for aligning new genetic and physical maps, performing QTL analysis in a multi-populations design, evaluating the genetic background effect on QTL expression, and serving other
genetic and molecular breeding activities in groundnut.Exemplaires
Code-barres Cote Support Localisation Section Disponibilité CN1502976 B100-GAU Article scientifique UNIVAL Tirés à part Exclu du prêt Documents numériques
http://intranet.isra.sn/aurifere/opac_css/docnum/CN1502976.pdfURL PLoS ONE, Vol.7, n° 11. Construction of chromosome segment substitution lines in peanut (Arachis hypogaea L.) using a wild synthetic and QTL mapping for plan morphology / Daniel Fonceka
PLoS ONE, Vol.7, n° 11. Construction of chromosome segment substitution lines in peanut (Arachis hypogaea L.) using a wild synthetic and QTL mapping for plan morphology [texte imprimé] / Daniel Fonceka, Auteur ; Tossim Hodo-Abalo, Auteur ; R Rivallan, Auteur ; H Vignes, Auteur ; Elodie Lacut, Auteur ; Fabien De Bellis, Auteur ; Issa Faye, Auteur ; Ousmane Ndoye, Auteur . - [S.l.] : University , United States of America, 2012 . - 11 p.
Langues : Anglais (eng)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : cartographie synthétique morphologie du plan arachide chromosomique Index. décimale : F311-Base génétique, gènes, chromosomes, génomes Résumé : Chromosome segment substitution lines (CSSLs)are powerful QTL mapping populations that have been used to elucidate the molecular basis of interesting traits of wild species. Cultivated peanut is an allotetraploid with limited genetic diversity. Capturing the genetic diversity from pean ut wild relatives is an important objective in many peanut breeding programs. ln this study, we used a marker-assisted backcrossing strategy to produce a population of 122 CSSLsfrom the cross between the wild synthetic allotetraploid (A. ipaënsis xA. duranensis)4X and the cultivated Fleur11 variety. The 122 CSSLs offered a broad coverage of the peanut genome, with target wild chromosome segments averaging 39.2 cM in length. As a demonstration of.the utility of thèse lines, four traits were evaluated in a subset of 80 CSSLs.A total of 28 lines showed significant différences from Fleuri" The linextrait significant associations were assigned to 42 QTLs: 14 for plant growth habit, 15 for height of the main ste~ 12 for plant spread and one for flower color. Among the 42 QTLs, 37 were assigned to genomic regions and three QTL positions were considered putative. One important finding arising from this QTL analysis is that peanut growth habit is a complex trait that is governed by several QTLs with different effects. The CSSL population developed in this study has proved efficient for deciphering the molecular basis of trait variations and will be useful to the peanut scientific community for future Q~:mapping studies. Exemplaires
Code-barres Cote Support Localisation Section Disponibilité CN1502978 P310-FON Article scientifique UNIVAL Rayons Exclu du prêt Documents numériques
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