Evidence map›Paper›PMID 26808306›Full record

ArticlePloS one2016

Molecular Assortment of Lens Species with Different Adaptations to Drought Conditions Using SSR Markers.

Dharmendra Singh, Chandan Kumar Singh, Ram Sewak Singh Tomar, Jyoti Taunk, Ranjeet Singh, Sadhana Maurya, Ashish Kumar Chaturvedi, Madan Pal, Rajendra Singh, Sarawan Kumar Dubey

Abstract readComparative Study
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Dharmendra SinghDivision of Genetics, Indian Agricultural Research Institute, New Delhi-110 012, India.
Chandan Kumar SinghDivision of Genetics, Indian Agricultural Research Institute, New Delhi-110 012, India.
Ram Sewak Singh TomarNational Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi-110 012, India.
Jyoti TaunkDivision of Genetics, Indian Agricultural Research Institute, New Delhi-110 012, India.
Ranjeet SinghDivision of Genetics, Indian Agricultural Research Institute, New Delhi-110 012, India.
Sadhana MauryaDivision of Plant Physiology, Indian Agricultural Research Institute, New Delhi-110 012, India.
Ashish Kumar ChaturvediDivision of Plant Physiology, Indian Agricultural Research Institute, New Delhi-110 012, India.
Madan PalDivision of Plant Physiology, Indian Agricultural Research Institute, New Delhi-110 012, India.
Rajendra SinghDivision of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi-110 012, India.
Sarawan Kumar DubeyRegional centre, Central Soil and Water Conservation Research and Training Institute, Agra-24 8195, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The success of drought tolerance breeding programs can be enhanced through molecular assortment of germplasm. This study was designed to characterize molecular diversity within and between Lens species with different adaptations to drought stress conditions using SSR markers. Drought stress was applied at seedling stage to study the effects on morpho-physiological traits under controlled condition, where tolerant cultivars and wilds showed 12.8-27.6% and 9.5-23.2% reduction in seed yield per plant respectively. When juxtaposed to field conditions, the tolerant cultivars (PDL-1 and PDL-2) and wild (ILWL-314 and ILWL-436) accessions showed 10.5-26.5% and 7.5%-15.6% reduction in seed yield per plant, respectively under rain-fed conditions. The reductions in seed yield in the two tolerant cultivars and wilds under severe drought condition were 48-49% and 30.5-45.3% respectively. A set of 258 alleles were identified among 278 genotypes using 35 SSR markers. Genetic diversity and polymorphism information contents varied between 0.321-0.854 and 0.299-0.836, with mean value of 0.682 and 0.643, respectively. All the genotypes were clustered into 11 groups based on SSR markers. Tolerant genotypes were grouped in cluster 6 while sensitive ones were mainly grouped into cluster 7. Wild accessions were separated from cultivars on the basis of both population structure and cluster analysis. Cluster analysis has further grouped the wild accessions on the basis of species and sub-species into 5 clusters. Physiological and morphological characters under drought stress were significantly (P = 0.05) different among microsatellite clusters. These findings suggest that drought adaptation is variable among wild and cultivated genotypes. Also, genotypes from contrasting clusters can be selected for hybridization which could help in evolution of better segregants for improving drought tolerance in lentil.

Indexed as

DroughtsAdaptation, PhysiologicalAllelesChlorophyllCluster AnalysisDNA, PlantGenetic VariationGenome, PlantGenotypeHydroponicsLens PlantMicrosatellite RepeatsPhenotypePlant BreedingPlant LeavesPolymorphism, GeneticChlorophyllDNA, PlantWater

Identifiers

PMID26808306
PMCPMC4726755

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