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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
An international reference consensus genetic map with 897 marker loci based on 11 mapping populations for tetraploid groundnut (arachis hypogaea l.)
PLoS ONE, Volume 7, No. 7, Article e41213, Year 2012
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Description
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 (a10_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 reference 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. © 2012 Gautami et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s001.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s002.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s003.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s004.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s005.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s006.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s007.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC3399818/bin/pone.0041213.s008.xls
Authors & Co-Authors
Gautami, Bhimana
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Foncéka, Daniel
France, Paris
Cirad
Pandey, Manish K.
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
United States, Athens
College of Agricultural and Environmental Sciences Athens Campus
United States, Washington, D.c.
Usda Agricultural Research Service
Moretzsohn, Márcio C.
Brazil, Brasilia
Embrapa Recursos Geneticos e Biotecnologia
Sujay, Venkataswamy
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
India, Dharwad
University of Agricultural Sciences, Dharwad
Qin, Hongde
United States, Athens
College of Agricultural and Environmental Sciences Athens Campus
China, Beijing
Chinese Academy of Agricultural Sciences
Hong, Yanbin
China, Guangzhou
Guangdong Academy of Agricultural Sciences
Faye, Issa
Senegal, Dakar
Centre National de Recherche Agronomiques, Dakar
Chen, Xiaoping
China, Guangzhou
Guangdong Academy of Agricultural Sciences
BhanuPrakash, Amindala
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Shah, Trushar M.
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Gowda, M. V.C.
India, Dharwad
University of Agricultural Sciences, Dharwad
Nigam, Shyam Narayan
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Liang, Xuanqiang
China, Guangzhou
Guangdong Academy of Agricultural Sciences
Hoisington, David A.
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Guo, Baozhu
United States, Washington, D.c.
Usda Agricultural Research Service
Bertioli, David John
Brazil, Brasilia
Universidade de Brasília
Rami, Jean François
France, Paris
Cirad
Varshney, Rajeev Kumar
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
China, Guangzhou
Guangdong Academy of Agricultural Sciences
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Statistics
Citations: 96
Authors: 19
Affiliations: 11
Identifiers
Doi:
10.1371/journal.pone.0041213
e-ISSN:
19326203
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study