ArticleAnnals of botany2014
Identification and characterization of improved nitrogen efficiency in interspecific hybridized new-type Brassica napus.
Article in Annals of botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Root traits are strongly associated with nitrogen uptake efficiency in contrasting rapeseed genotypes.BMC plant biology · 2026Article
- Kaempferol drives genotype-specific microbiota Bacillaceae to enhance nitrogen acquisition in rapeseed.Journal of advanced research · 2026Article
- Functional Insights intoPlants (Basel, Switzerland) · 2025Article
- Unveiling the role of root functional traits in enhancing nitrogen use efficiency in wheat under nitrogen deficiency.BMC plant biology · 2025Article
- Underpinning regions associated with nitrogen use efficiency in Brassica juncea L. Czern: using associative transcriptomics approach.BMC plant biology · 2025Article
- Joint multi-omics analysis reveals the response mechanism in rapeseed (Brassica Rapa L.) under low nitrogen stress.Functional & integrative genomics · 2025Article
- Physio-biochemical and molecular mechanisms of low nitrogen stress tolerance in peanut (Arachis hypogaea L.).Plant molecular biology · 2025Article
- Exploring silique number in Brassica napus L.: Genetic and molecular advances for improving yield.Plant biotechnology journal · 2024Review
- Physiological and Transcriptomic Analysis Provides Insights into Low Nitrogen Stress in Foxtail Millet (International journal of molecular sciences · 2023Article
- Multi-omics strategies uncover the molecular mechanisms of nitrogen, phosphorus and potassium deficiency responses in Brassica napus.Cellular & molecular biology letters · 2023Article
- Research Progress in High-Efficiency Utilization of Nitrogen in Rapeseed.International journal of molecular sciences · 2023Review
- Rapeseed Domestication Affects the Diversity of Rhizosphere Microbiota.Microorganisms · 2023Article
- Ectopic Expression of SugarcaneInternational journal of molecular sciences · 2023Article
- An integrated nitrogen utilization gene network and transcriptome analysis reveal candidate genes in response to nitrogen deficiency inFrontiers in plant science · 2023Article
- Physiological Responses of Cigar Tobacco Crop to Nitrogen Deficiency and Genome-Wide Characterization of thePlants (Basel, Switzerland) · 2022Article
- Rapid Creation of Interspecific Hybrid Progeny to Broaden Genetic Distance through Double Haploid (DH) Inducer inPlants (Basel, Switzerland) · 2022Article
- Article
- Nitrogen isotope discrimination in open-pollinated and hybrid canola suggests indirect selection for enhanced ammonium utilization.Frontiers in plant science · 2022Article
- Rapid Generation and Analysis of a Barley Doubled Haploid Line with Higher Nitrogen Use Efficiency Than Parental Lines by F1 Microspore Embryogenesis.Plants (Basel, Switzerland) · 2021Article
- Genomic identification of nitrogen assimilation-related genes and transcriptional characterization of their responses to nitrogen in allotetraploid rapeseed.Molecular biology reports · 2021Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsOilseed rape (Brassica napus) is an important oil crop worldwide. The aim of this study was to identify the variation in nitrogen (N) efficiency of new-type B. napus (genome A(r)A(r)C(c)C(c)) genotypes, and to characterize some critical physiological and molecular mechanisms in response to N limitation.
methodsTwo genotypes with contrasting N efficiency (D4-15 and D1-1) were identified from 150 new-type B. napus lines, and hydroponic and pot experiments were conducted. Root morphology, plant biomass, N uptake parameters and seed yield of D4-15 and D1-1 were investigated. Two traditional B. napus (genome A(n)A(n)C(n)C(n)) genotypes, QY10 and NY7, were also cultivated. Introgression of exotic genomic components in D4-15 and D1-1 was evaluated with molecular markers. KEY
resultsLarge genetic variation existed among traits contributing to the N efficiency of new-type B. napus. Under low N levels at the seedling stage, the N-efficient new-type D4-15 showed higher values than the N-inefficient D1-1 line and the traditional B. napus QY10 and NY7 genotypes with respect to several traits, including root and shoot biomass, root morphology, N accumulation, N utilization efficiency (NutE), N uptake efficiency (NupE), activities of nitrate reductase (NR) and glutamine synthetase (GS), and expression levels of N transporter genes and genes that are involved in N assimilation. Higher yield was produced by the N-efficient D4-15 line compared with the N-inefficient D1-1 at maturity. More exotic genome components were introgressed into the genome of D4-15 (64·97 %) compared with D1-1 (32·23 %).
conclusionsThe N-efficient new-type B. napus identified in this research had higher N efficiency (and tolerance to low-N stress) than traditional B. napus cultivars, and thus could have important potential for use in breeding N-efficient B. napus cultivars in the field.
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