ArticlePlanta2015
Assessment of nutrient remobilization through structural changes of palisade and spongy parenchyma in oilseed rape leaves during senescence.
Article in Planta, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 47 citations in OpenAlex.
- Ripening Study Based on Multi-Structural Inversion of Cherry Tomato qMRI.Foods (Basel, Switzerland) · 2024Article
- Microscopy and transcriptomic datasets for investigating the drought-stress response and recovery in young and early senescent-old leaves fromData in brief · 2024Article
- Quantitative MRI imaging of parenchyma and venation networks in Brassica napus leaves: effects of development and dehydration.Plant methods · 2024Article
- Towards portable MRI in the plant sciences.Plant methods · 2024Review
- Variability and limits of nitrogen and phosphorus resorption during foliar senescence.Plant communications · 2023Review
- On-field optical imaging data for the pre-identification and estimation of leaf deformities.Scientific data · 2022Article
- Characterization of the Water Shortage Effects on Potato Tuber Tissues during Growth Using MRI Relaxometry and Biochemical Parameters.Plants (Basel, Switzerland) · 2022Article
- A global non-invasive methodology for the phenotyping of potato under water deficit conditions using imaging, physiological and molecular tools.Plant methods · 2021Article
- Leaf Phenological Stages of Winter Oilseed Rape (Frontiers in plant science · 2021Article
- A mobile NMR lab for leaf phenotyping in the field.Plant methods · 2017Article
- Nitrogen deficiency impacts on leaf cell and tissue structure with consequences for senescence associated processes in Brassica napus.Botanical studies · 2016Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MAIN
conclusionDifferential palisade and spongy parenchyma structural changes in oilseed rape leaf were demonstrated. These dismantling processes were linked to early senescence events and associated to remobilization processes. During leaf senescence, an ordered cell dismantling process allows efficient nutrient remobilization. However, in Brassica napus plants, an important amount of nitrogen (N) in fallen leaves is associated with low N remobilization efficiency (NRE). The leaf is a complex organ mainly constituted of palisade and spongy parenchyma characterized by different structures and functions concerning water relations and carbon fixation. The aim of the present study was to demonstrate a specific structural evolution of these parenchyma throughout natural senescence in B. napus, probably linked to differential nutrient remobilization processes. The study was performed on 340 leaves from 32 plants during an 8-week development period under controlled growing conditions. Water distribution and status at the cellular level were investigated by low-field proton nuclear magnetic resonance (NMR), while light and electron microscopy were used to observe cell and plast structure. Physiological parameters were determined on all leaves studied and used as indicators of leaf development and remobilization progress. The results revealed a process of hydration and cell enlargement of leaf tissues associated with senescence. Wide variations were observed in the palisade parenchyma while spongy cells changed only very slightly. The major new functional information revealed was the link between the early senescence events and specific tissue dismantling processes.
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