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Higher PEPC activity and vein density contribute to improve cotton leaf water use efficiency under water stress.
Plant Biol (Stuttg)
January 2025
Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, China.
Plants with the C photosynthetic pathway can withstand water stress better than plants with C metabolism. However, it is unclear whether C photosynthesis can be preliminarily activated in droughted cotton leaves, and if this contributes to increase in water use efficiency (WUE). An upland cotton (Gossypium hirsutum L.
View Article and Find Full Text PDFIdentification of a potential homeodomain-like gene governing leaf size and venation architecture in birch.
Front Plant Sci
January 2025
State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China.
Leaf vein, an essential part of leaf architecture, plays significant roles in shaping the proper leaf size. To date, the molecular mechanisms governing leaf development including leaf venation patterning remains poorly understood in birch. Here, we performed the genome-wide identification of homeodomain-like (HD-like) superfamily genes using phylogenetic analysis and revealed the functional role of a potential HD-like gene in leaf growth and development using transgenic technology and transcriptomic sequencing.
View Article and Find Full Text PDFDeployable electronics with enhanced fatigue resistance for crumpling and tension.
Sci Adv
January 2025
Multiscale Bio-inspired Technology Lab, Department of Mechanical Engineering, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16499, South Korea.
Highly packable and deployable electronics offer a variety of advantages in electronics and robotics by facilitating spatial efficiency. These electronics must endure extreme folding during packaging and tension to maintain a rigid structure in the deployment state. Here, we present foldable and robustly deployable electronics inspired by Plantago, characterized by their tolerance to folding and tension due to integration of tough veins within thin leaf.
View Article and Find Full Text PDFEarly Initiation of Bundle Sheath Cells During Leaf Development as Visualised by SCARECROW Expression in Dicotyledonous C Plants.
Plant Cell Environ
January 2025
Department of Ecology & Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada.
The C type of dicotyledonous plants exhibit a higher density of reticulate veins than the C type, with a nearly 1:1 ratio of mesophyll cells (MCs) to bundle sheath cells (BSCs). To understand how this C-type cell pattern is formed, we identified two SCARECROW (SCR) genes in C Flaveria bidentis, FbSCR1 and FbSCR2, that fully or partially complement the endodermal cell layer-defective phenotype of Arabidopsis scr mutant. We then created FbSCRs promoter β-glucuronidase reporter (GUS) lines of F.
View Article and Find Full Text PDF (Rubiaceae, Ophiorrhizeae), a new species from Vietnam.
PhytoKeys
December 2024
Southern Institute of Ecology, Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam Institute of Applied Materials Science, Vietnam Academy of Science and Technology Ho Chi Minh Vietnam.
is described as a new species endemic to Central Vietnam. It is morphologically closest to in having setose hairs on the abaxial leaf surface and a pedunculate head-like inflorescence but differs from the latter by a number of characteristics: shorter stem, 3-lobed stipules, narrowly lanceolate leaf blades with a cuneate-oblique base and 20-22 pairs of secondary veins, 3.5-4.
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