Evidence map›Paper›PMID 22476619›Full record

ArticleFunctional & integrative genomics2012

Genomic associations for drought tolerance on the short arm of wheat chromosome 4B.

Suhas Kadam, Kalpana Singh, Sanyukta Shukla, Sonia Goel, Prashant Vikram, Vasantrao Pawar, Kishor Gaikwad, Renu Khanna-Chopra, Nagendra Singh

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Article in Functional & integrative genomics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
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34citing papers in PubMed, 3 pooled it
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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  15. Drought Resistance Loci in Recombinant Lines of IranianBiotech (Basel (Switzerland)) · 2021
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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Suhas KadamNational Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi, India.
Kalpana Singh
Sanyukta Shukla
Sonia Goel
Prashant Vikram
Vasantrao Pawar
Kishor Gaikwad
Renu Khanna-Chopra
Nagendra Singh

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Drought is a major constraint to maintaining yield stability of wheat in rain fed and limited irrigation agro-ecosystems. Genetic improvement for drought tolerance in wheat has been difficult due to quantitative nature of the trait involving multiple genes with variable effects and lack of effective selection strategies employing molecular markers. Here, a framework molecular linkage map was constructed using 173 DNA markers randomly distributed over the 21 wheat chromosomes. Grain yield and other drought-responsive shoot and root traits were phenotyped for 2 years under drought stress and well-watered conditions on a mapping population of recombinant inbred lines (RILs) derived from a cross between drought-sensitive semidwarf variety "WL711" and drought-tolerant traditional variety "C306". Thirty-seven genomics region were identified for 10 drought-related traits at 18 different chromosomal locations but most of these showed small inconsistent effects. A consistent genomic region associated with drought susceptibility index (qDSI.4B.1) was mapped on the short arm of chromosome 4B, which also controlled grain yield per plant, harvest index, and root biomass under drought. Transcriptome profiling of the parents and two RIL bulks with extreme phenotypes revealed five genes underlying this genomic region that were differentially expressed between the parents as well as the two RIL bulks, suggesting that they are likely candidates for drought tolerance. Syntenic genomic regions of barley, rice, sorghum, and maize genomes were identified that also harbor genes for drought tolerance. Markers tightly linked to this genomic region in combination with other important regions on group 7 chromosomes may be used in marker-assisted breeding for drought tolerance in wheat.

Indexed as

Adaptation, BiologicalDroughtsGenome, PlantChromosome MappingChromosomes, PlantCrosses, GeneticEpistasis, GeneticGene Expression ProfilingGene Expression Regulation, PlantGenetic Association StudiesHordeumOryzaPhenotypePlant RootsPlant ShootsQuantitative Trait Loci

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None linked

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.