The formation of stipule requires the coordinated actions of the legume orthologs of Arabidopsis <i>BLADE‐ON‐PETIOLE</i> and <i>LEAFY</i>

Zhang, Juanjuan; Wang, Xiao; Han, Li; Zhang, Jing; Xie, Yangyang; Li, Jie; Wang, Zeng‐Yu; Wen, Jiangqi; Mysore, Kirankumar S.; Zhou, Chuanen

doi:10.1111/nph.18445

Cited by 3 publications

(3 citation statements)

References 46 publications

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“…From the above process, it was found that the differentiation of G. koreanum inflorescences started from the differentiation of stipular and leaf primordia. Stipules are considered as outgrowths or appendages at the base of petioles, growing in an orderly manner on the stem nodes of flowering plants [ 24 ]. The research on the stipules had a long tradition, and there were rich achievements in the research on the origin of stipules.…”

Section: Discussionmentioning

confidence: 99%

“…For example, some scholars believed that Dicotyledon stipules and Monocotyledon leaf tongues had different development origins [ 25 ]. A systematic study of stipules and colleters of mangrove Rhizophoraceae showed that the morphology correlated with the shape of their colleter aggregations [ 26 ]; the presence of stipules in the outer organs of apetala2-1 flowers was evidence of their leaf-like structure [ 27 , 28 ]; and other studies were related to the formation and evolution of stipules [ 24 , 29 ]. In our observation, the apical meristem of G. koreanum first formed a circle of divisions around its periphery, while differentiating into stipule and leaf primordia.…”

Section: Discussionmentioning

confidence: 99%

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Development of Flowers Buds and Mixed Buds in the Dichasial Inflorescence of Geranium koreanum Kom. (Geraniaceae)

Lu,

Han,

Liu

et al. 2023

Plants

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Flower bud differentiation is of great significance for understanding plant evolution and ecological adaptability. The development of flower buds and mixed buds in the dichasial inflorescence of Geranium koreanum was described in this paper. The morphogenesis, surface structure, and organ morphology at different growth stages of G. koreanum buds were examined in detail using scanning electron microscope and stereo microscope. The development of mixed buds started from the flattened apical meristem. The stipule and leaf primordia arose first. Subsequently, the hemispherical meristem was divided into two hemispheres, forming a terminal bud and floral bud primordia, followed by lateral bud differentiation. The formation of the terminal and lateral buds of G. koreanum was sequential and their differentiation positions were also different. The floral bud primordia would develop into two flower units and four bracts. The primordia of a flower bud first formed the sepal primordia, then the stamen and petal primordia, and finally the pistil primordia. Compared to the stamen primordia, the growth of the petal primordia was slower. Finally, all organs, especially the petals and pistil, grew rapidly. When the pistil and petals exceeded the stamens and the petals changed color, the flower bud was ready to bloom.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Development of Flowers Buds and Mixed Buds in the Dichasial Inflorescence of Geranium koreanum Kom. (Geraniaceae)

Lu,

Han,

Liu

et al. 2023

Plants

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“…SEM was performed as described previously ( Zhang et al., 2022 ). Briefly, leaves were fixed, dehydrated, critical point dried, and observed for imaging.…”

Section: Methodsmentioning

confidence: 99%

Genome-wide characterization of AINTEGUMENTA-LIKE family in Medicago truncatula reveals the significant roles of AINTEGUMENTAs in leaf growth

Wang

Zhang

et al. 2022

Front. Plant Sci.

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AINTEGUMENTA-LIKE (AIL) transcription factors are widely studied and play crucial roles in plant growth and development. However, the functions of the AIL family in legume species are largely unknown. In this study, 11 MtAIL genes were identified in the model legume Medicago truncatula, of which four of them are MtANTs. In situ analysis showed that MtANT1 was highly expressed in the shoot apical meristem (SAM) and leaf primordium. Characterization of mtant1 mtant2 mtant3 mtant4 quadruple mutants and MtANT1-overexpressing plants revealed that MtANTs were not only necessary but also sufficient for the regulation of leaf size, and indicated that they mainly function in the regulation of cell proliferation during secondary morphogenesis of leaves in M. truncatula. This study systematically analyzed the MtAIL family at the genome-wide level and revealed the functions of MtANTs in leaf growth. Thus, these genes may provide a potential application for promoting the biomass of legume forages.

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Discovery of diverse chimeric peptides in a eukaryotic proteome sets the stage for the experimental proof of the mosaic translation hypothesis

Çakır,

Gabed,

Köroğlu

et al. 2024

Preprint

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The high complexity of eukaryotic organisms enabled their evolutionary success, which became possible due to the diversification of eukaryotic proteomes. Various mechanisms contributed to this process. Alternative splicing had the largest known impact among these mechanisms: tens or hundreds of protein isoforms produced from a single genetic locus. Earlier, we hypothesized that along with alternative splicing, a different but conceptually similar mechanism creates novel versions of existing proteins in all eukaryotes. However, this mechanism acts at the level of translation, where the novelty of an amino acid sequence is achieved via multiple programmed ribosomal frameshifting. This mechanism, which is termed mosaic translation, is very difficult to demonstrate even with the most up-to-date molecular tools. Thus, it remained unnoticed so far. Using only a portion of all mass spectrometry proteomic data generated from various organs of the model plantMedicago truncatula, we attempted the first step toward the experimental proof of this hypothesis. Our originalin silicoapproach resulted in the discovery of two candidates for mosaic proteins (homologs of EF1α and RuBisCo) and 154 candidates for chimeric peptides. Chimeric peptides and polypeptides are produced in the course of one ribosomal frameshifting event and may correspond to parts of mosaic proteins. In addition, our analysis reveals the possibility of translation of chimeric peptides from five ribosomal RNA transcripts, ten long non-coding RNA transcripts, and one transfer RNA transcript. These findings are very novel and will be the basis for experimental validation in future studies. In this work, we present multiple lines of indirect evidence that support the validity of ourin silicodata.

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The formation of stipule requires the coordinated actions of the legume orthologs of Arabidopsis BLADE‐ON‐PETIOLE and LEAFY

Cited by 3 publications

References 46 publications

Development of Flowers Buds and Mixed Buds in the Dichasial Inflorescence of Geranium koreanum Kom. (Geraniaceae)

Development of Flowers Buds and Mixed Buds in the Dichasial Inflorescence of Geranium koreanum Kom. (Geraniaceae)

Genome-wide characterization of AINTEGUMENTA-LIKE family in Medicago truncatula reveals the significant roles of AINTEGUMENTAs in leaf growth

Discovery of diverse chimeric peptides in a eukaryotic proteome sets the stage for the experimental proof of the mosaic translation hypothesis

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