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Single cell derived multicellular meristem: insights into male-to-hermaphrodite conversion and de novo meristem formation in ceratopteris.
Development
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Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA.
Land plants alternate between asexual sporophytes and sexual gametophytes. Unlike seed plants, ferns develop free-living gametophytes. Gametophytes of the model fern Ceratopteris exhibit two sex types: hermaphrodites with pluripotent meristems and males lacking meristems.
View Article and Find Full Text PDFFilicinic Acid-Based Meroterpenoids with Antiproliferative Activity against Prostate Cancer PC-3 Cells from .
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January 2025
Department of Pharmacy, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China.
Nine new structurally diverse filicinic acid-based meroterpenoids (-) with four kinds of carbon skeletons were isolated from the rhizomes of . Their structures, including the absolute configurations, were elucidated by comprehensive analysis of spectroscopic data, quantum chemical calculations, and single-crystal X-ray diffraction. Structurally, compounds - feature an unprecedented 6/6/5/6/6/6 hexacyclic system with a rare oxaspiro[4.
View Article and Find Full Text PDFDryopteris×subdiffracta (Dryopteridaceae), a new natural hybrid fern from Guangxi, China.
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Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China Kunming Institute of Botany, Chinese Academy of Sciences Kunming China.
A new natural hybrid fern, Dryopteris×subdiffracta (Dryopteridaceae), is reported from Guangxi, China. Molecular phylogenetic analysis based on DNA sequences from the low-copy nuclear marker and plastid genome revealed respectively that and are parents of the new hybrid, with as the maternal parent. Cytometric analysis of the nuclear DNA content indicated that might be a diploid hybrid.
View Article and Find Full Text PDFMetabolomics and Anticancer Potential of the Aerial Parts of Dryopteris ramosa against Cancerous Cell Lines Assisted with Advanced Computational Approaches.
Curr Pharm Des
December 2024
Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan.
Introduction: Dryopteris ramosa is a high-altitude plant of moist and shady habitat. Its aerial parts are edible and orally administered as an antibiotic and effective aphrodisiac. They are also used as pesticides, astringents, and febrifuges.
View Article and Find Full Text PDFPachyrhabda citrinacma Meyrick, 1936, an endemic species to Formosa (Taiwan), was named by Edward Meyrick based on two specimens collected by Syuti Issiki. Despite some newly discovered stathmopodids exhibiting characteristics matching the original description, the lack of information regarding the type specimen depository led to the species remaining elusive since its initial naming. In this study, we successfully rediscovered a P.
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