ArticleAnnals of botany2005
Structure and development of Medicago truncatula pod wall and seed coat.
Article in Annals of botany, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 68 citations in OpenAlex.
- Dehiscent fruits in Brassicaceae and Papaveraceae: convergent morpho-anatomical features with divergent underlying genetic mechanisms.Annals of botany · 2025Article
- Experimental Evidence for Seed Metabolic Allometry in Barrel Medic (International journal of molecular sciences · 2022Article
- Deep transcriptomic study reveals the role of cell wall biosynthesis and organization networks in the developing shell of peanut pod.BMC plant biology · 2021Article
- Anatomy and Histochemistry of Seed Coat Development of Wild (International journal of molecular sciences · 2021Article
- Exploring the edible gum (galactomannan) biosynthesis and its regulation during pod developmental stages in clusterbean using comparative transcriptomic approach.Scientific reports · 2021Article
- Genetic localization of the SPC gene controlling pod coiling direction in Medicago truncatula.Genes & genomics · 2020Article
- Heat Stress in Legume Seed Setting: Effects, Causes, and Future Prospects.Frontiers in plant science · 2019Article
- Seed coats as an alternative molecular factory: thinking outside the box.Plant reproduction · 2018Review
- Diel pattern of circadian clock and storage protein gene expression in leaves and during seed filling in cowpea (Vigna unguiculata).BMC plant biology · 2018Article
- Establishment of the model system between phytochemicals and gene expression profiles in Macrosclereid cells of Medicago truncatula.Scientific reports · 2017Article
- Regulation of Carbon Partitioning in the Seed of the Model LegumeFrontiers in plant science · 2017Article
- A Combined Comparative Transcriptomic, Metabolomic, and Anatomical Analyses of Two Key Domestication Traits: Pod Dehiscence and Seed Dormancy in Pea (Frontiers in plant science · 2017Article
- Transcriptome-wide sequencing provides insights into geocarpy in peanut (Arachis hypogaea L.).Plant biotechnology journal · 2016Article
- Mineral accumulation in vegetative and reproductive tissues during seed development in Medicago truncatula.Frontiers in plant science · 2015Article
- The role of the testa during development and in establishment of dormancy of the legume seed.Frontiers in plant science · 2014Review
- Medicago glucosyltransferase UGT72L1: potential roles in proanthocyanidin biosynthesis.Planta · 2013Article
- A change in SHATTERPROOF protein lies at the origin of a fruit morphological novelty and a new strategy for seed dispersal in medicago genus.Plant physiology · 2013Article
- A combined histology and transcriptome analysis unravels novel questions on Medicago truncatula seed coat.Journal of experimental botany · 2013Article
- Spatio-temporal expression patterns of Arabidopsis thaliana and Medicago truncatula defensin-like genes.PloS one · 2013Article
- A standardized method for analysis of Medicago truncatula phenotypic development.Plant physiology · 2006Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsMedicago truncatula has gained much attention as a genomic model species for legume biology, but little is known about the morphology of its pods and seeds. Structural and developmental characteristics of M. truncatula pod walls and seed coats are presented.
methodsPlants of M. truncatula ecotype A17 were grown under controlled conditions in a greenhouse. Flowers were date-tagged at anthesis, so that pods of known age could be collected. Harvested pods were fixed and sectioned for light microscopy. Structural attributes of pod walls and seed coats were characterized at four time points throughout early to mid-stages of pod development (3, 6, 13 and 20 d post-pollination). KEY
resultsBasic features of the pod wall are an exocarp comprised of a single epidermal layer, a mesocarp with seven to 14 layers of parenchyma cells, and an endocarp composed of an inner epidermal cell layer and three to five layers of sclerenchyma cells adjacent to it. Vascular bundles are abundant in the pod wall and include one lateral carpellary bundle, one median carpellary bundle and nine to 12 vascular bundles, all embedded within the mesocarp parenchyma. Seed coat features include an epidermal layer of macrosclereids, a sub-epidermal layer of osteosclereids, and two to five rows of internal parenchyma cells. The hilar region contains the tracheid bar and the chalazal vascular bundle, the latter of which expands to form only two short branches.
conclusionsThis characterization provides a needed understanding of pod structure and development in this model legume, and should facilitate various molecular investigations into legume fruit and seed biology.
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