Evidence map›Paper›PMID 23497368›Full record

ArticleBMC genomics2013

Pearl millet [Pennisetum glaucum (L.) R. Br.] consensus linkage map constructed using four RIL mapping populations and newly developed EST-SSRs.

Vengaldas Rajaram, Thirunavukkarasu Nepolean, Senapathy Senthilvel, Rajeev K Varshney, Vincent Vadez, Rakesh K Srivastava, Trushar M Shah, Ambawat Supriya, Sushil Kumar, Basava Ramana Kumari and 4 more

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Article in BMC genomics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

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46citing papers in PubMed
6.0field-weighted citation impact, top 3% of its field
1 · What the graph read from it

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3 · Its place in the literature

Who cites it

46 citing papers in PubMed, 123 citations in OpenAlex.

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  17. Exploitation of Heterosis in Pearl Millet: A Review.Plants (Basel, Switzerland) · 2020
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4 · The record

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5 · Who and what money

Authors and funding

14 authors at 4 institutions in 2 countries.

Vengaldas RajaramInternational Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, Andhra Pradesh 502 324, India.
Thirunavukkarasu Nepolean
Senapathy Senthilvel
Rajeev K Varshney
Vincent Vadez
Rakesh K Srivastava
Trushar M Shah
Ambawat Supriya
Sushil Kumar
Basava Ramana Kumari
Amindala Bhanuprakash
Mangamoori Lakshmi Narasu
Oscar Riera-Lizarazu
Charles Thomas Hash
International Crops Research Institute for the Semi-Arid Tropics · INChaudhary Charan Singh Haryana Agricultural University · INJawaharlal Nehru Technological University, Hyderabad · INOregon State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPearl millet [Pennisetum glaucum (L.) R. Br.] is a widely cultivated drought- and high-temperature tolerant C4 cereal grown under dryland, rainfed and irrigated conditions in drought-prone regions of the tropics and sub-tropics of Africa, South Asia and the Americas. It is considered an orphan crop with relatively few genomic and genetic resources. This study was undertaken to increase the EST-based microsatellite marker and genetic resources for this crop to facilitate marker-assisted breeding.

resultsNewly developed EST-SSR markers (99), along with previously mapped EST-SSR (17), genomic SSR (53) and STS (2) markers, were used to construct linkage maps of four F7 recombinant inbred populations (RIP) based on crosses ICMB 841-P3 × 863B-P2 (RIP A), H 77/833-2 × PRLT 2/89-33 (RIP B), 81B-P6 × ICMP 451-P8 (RIP C) and PT 732B-P2 × P1449-2-P1 (RIP D). Mapped loci numbers were greatest for RIP A (104), followed by RIP B (78), RIP C (64) and RIP D (59). Total map lengths (Haldane) were 615 cM, 690 cM, 428 cM and 276 cM, respectively. A total of 176 loci detected by 171 primer pairs were mapped among the four crosses. A consensus map of 174 loci (899 cM) detected by 169 primer pairs was constructed using MergeMap to integrate the individual linkage maps. Locus order in the consensus map was well conserved for nearly all linkage groups. Eighty-nine EST-SSR marker loci from this consensus map had significant BLAST hits (top hits with e-value ≤ 1E-10) on the genome sequences of rice, foxtail millet, sorghum, maize and Brachypodium with 35, 88, 58, 48 and 38 loci, respectively.

conclusionThe consensus map developed in the present study contains the largest set of mapped SSRs reported to date for pearl millet, and represents a major consolidation of existing pearl millet genetic mapping information. This study increased numbers of mapped pearl millet SSR markers by >50%, filling important gaps in previously published SSR-based linkage maps for this species and will greatly facilitate SSR-based QTL mapping and applied marker-assisted selection programs.

Indexed as

Chromosome MappingChromosomes, PlantExpressed Sequence TagsBreedingDroughtsMicrosatellite RepeatsPennisetumPolymorphism, Single NucleotideQuantitative Trait LociSynteny

Identifiers

PMID23497368
PMCPMC3606598
OpenAlexW2161098702

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LicenceCC BY
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.