Article
Plant Sciences
Si-Yu Xie, Xiao-Qi Hou, Xiao-Hui Zhang
Summary: This study observed the petal development, micromorphology, and nectary structures of nine species in the Epimedium genus. The results show that petal development can be divided into five stages, with the shape of the petals influenced by both cell division and anisotropic expansion. The nectaries are usually located at the tip of the petal.
Article
Plant Sciences
Zixuan Huang, Xiaohui Zhang
Summary: The petals of Eranthis plants have complex structures with nectaries and pseudonectaries. Petal development and accessory structure formation determine the diversity of mature petal morphology. The nectaries are hidden in grooves and composed of secretory epidermal cells and secretory cells with abundant plasmodesmata. Nectar is stored in the intercellular space and is released through microchannels or cell rupture. Pseudonectaries, except in E. hyemalis, consist of smooth epidermal cells and parenchyma cells with sparse cytoplasm.
Article
Horticulture
Syazwani Basir, Mohd Faiz Mat Saad, Mohamad Ruzi Abdul Rahman, Noraini Talip, Syarul Nataqain Baharum, Hamidun Bunawan
Summary: This study used anatomical and micromorphological methods to determine the type and position of floral glands in Hoya species. The presence of different types of trichomes and nectaries in different parts of the flowers provides important information on the production and storage of metabolites in plants.
Review
Plant Sciences
Filip Slavkovic, Catherine Dogimont, Halima Morin, Adnane Boualem, Abdelhafid Bendahmane
Summary: Nectar, as the most important reward provided by flowering plants to pollinators, is crucial for agriculture and global food demand. Understanding the development and maturation of the nectar gland, and the secretion of nectar in sync with the maturation of sexual organs, is a key aspect for crop ecological functions. Despite a good understanding of the genetic mechanisms controlling the development of angiosperm flowers, the secrets behind nectar gland development and nectar secretion remain elusive.
TRENDS IN PLANT SCIENCE
(2021)
Article
Plant Sciences
Wen-juan Li, Zi-xuan Huang, Meng Han, Yi Ren, Xiao-hui Zhang
Summary: The study investigated the stamen ontogeny, micromorphology, and nectary structure of Clematis macropetala, revealing different forms of stamens with unique developmental patterns. The research sheds light on the evolutionary significance and pollination efficiency improvements associated with diverse stamens in angiosperms.
Article
Microscopy
Aneta Sulborska-Rozycka, Elzbieta Weryszko-Chmielewska
Summary: This study presents the structure and characteristics of the floral nectaries in Trollius europeus L. flowers, revealing the distribution of starch bodies and chromoplasts in the nectar-producing cells. The research findings suggest that nectar is produced through the symplastic route and has high nutritional value for pollinators.
Article
Plant Sciences
Qing-Qing Zhu, Cheng Xue, Li Sun, Xin Zhong, Xin-Xin Zhu, Yi Ren, Xiao-Hui Zhang
Summary: This study provides a detailed description of the petal structure in the tribe Isopyreae, including their nectary structure, epidermal micromorphology, and ancestral traits. The study reveals significant variations in the position and types of nectaries in the petals, as well as differences in the types of epidermal cells among the species.
Article
Plant Sciences
Yanfei Pei, Jun Zhang, Peng Wu, Li Ye, Duofeng Yang, Jiedan Chen, Jie Li, Yan Hu, Xiefei Zhu, Xiaoping Guo, Tianzhen Zhang
Summary: The floral nectary, important for plant reproduction and evolution, also plays a role in insect-resistant breeding. Research on the GoNe gene in cotton has revealed its crucial role in the formation of both floral and extrafloral nectaries, possibly independent of CRC and STY genes.
Article
Food Science & Technology
Qingya Zhang, Ao Yang, Weihua Tan, Wenchao Yang
Summary: In this study, propolis microcapsules were developed using a spray-drying technique, with ethanol extract of propolis as the core material and gum arabic and & beta;-cyclodextrin as the shell materials. The microcapsules showed good solubility and antibacterial activity, and have the potential to be used as a sustained-release food additive, preservative, or drug.
Article
Plant Sciences
Shiqiang Song, Dmitriy Zubov, Hans Peter Comes, Haiwen Li, Xuelian Liu, Xin Zhong, Joongku Lee, Zhaoping Yang, Pan Li
Summary: This study focused on investigating the plastid phylogenomics and plastome evolution in the subfamily Nandinoideae of Berberidaceae. Through sequencing and assembling complete plastomes, the researchers identified significant differences in size and genetic variations among the species studied. The findings provide valuable molecular markers for future studies in phylogenetics, phylogeography, and conservation genetics.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Edlley M. Pessoa, Alexandre C. Ribeiro, Nathan A. Jud
Summary: The newly discovered fossil leaf Baderadea pinnatissecta has simple morphology similar to some herbaceous Ranunculales. By comparing the leaf architecture with ferns, gymnosperms, and similar angiosperms, the fossil is confirmed to be an herbaceous eudicot angiosperm with unique characteristics.
AMERICAN JOURNAL OF BOTANY
(2021)
Article
Plant Sciences
Anzu Minami, Xiaojun Kang, Clay J. Carter
Summary: Nectar volume and sugar composition are critical for plant-pollinator interactions. Cell wall invertases play a key role in determining the sugar composition and volume of nectar, with their activity affecting the attractiveness of nectar to pollinators.
Article
Multidisciplinary Sciences
Malgorzata Stpiczynska, Magdalena Kaminska, Kevin L. Davies
Summary: Barkeria scandens and B. whartoniana, endangered endemic taxa from Mexico, have structurally adapted flowers for nectar secretion, containing sugars and lipid-like compounds. The flowers have functional floral nectaries with a robust secretory tissue and thick cell walls, possibly enabling a switch in pollination methods for B. scandens.
Article
Geosciences, Multidisciplinary
Diego Sullivann de Jesus Alves, Francisco Sergio Bernardes Ladeira, Alessandro Batezelli
Summary: This study investigates the formation of argillic horizons in the Marilia Formation during the Maastrichtian in the Cretaceous period. The study analyzes various soil attributes, including macromorphological and micromorphological data, to understand the polygenetic processes involved. The results suggest that the presence of argillic horizons does not necessarily indicate wet conditions but is associated with changes in granulometry, macroaggregates-microaggregates, carbonate accumulation, and water table oscillation.
Article
Plant Sciences
Micaela Paula Del Gaudio, Scheila Iria Kraus, Tayza Martins Melzer, Pamela Soledad Bustos, Maria Gabriela Ortega
Summary: The leaves and stems of Berberis ruscifolia Lam. are commonly used in folk medicine as an analgesic, anti-inflammatory, antimalarial, antibacterial, and digestive agent. This study evaluated the analgesic effects of different extracts obtained from B. ruscifolia, and identified berberine as the main chemical constituent responsible for the analgesic properties. The results showed significant analgesic activity, with the ethanolic extract exhibiting the strongest effect.
JOURNAL OF ETHNOPHARMACOLOGY
(2023)