In this book chapter, we present a method for microsome isolation from the hypocotyl tissue of dark-grown Arabidopsis thaliana. Microsomes are heterogeneous, vesicle-like membranes, which are, not exclusively, derived but enriched with membranes of the endoplasmic reticulum (ER). Here, we describe the experimental setup, including sample preparation, homogenization, differential centrifugation steps, and quality control measures after microsome isolation.
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http://dx.doi.org/10.1007/978-1-0716-3710-4_29 | DOI Listing |
Biochem Soc Trans
January 2025
Centre for Plant Molecular Biology, University of Tübingen, Tübingen 72076, Germany.
Primary axis formation is the first step of embryonic patterning in flowering plants and recent findings highlight the importance of parent-of-origin effects in this process. Apical-basal patterning has a strong influence on suspensor development, an extra-embryonic organ involved in nutrient transport to the embryo at an early stage of seed development. The endosperm, a second fertilization product, nourishes the embryo at later stages of seed development.
View Article and Find Full Text PDFJ Agric Food Chem
January 2025
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning 530005, China.
Nitrogen (N) is an essential element for plant growth and development. Identifying functional gene loci associated with nitrogen absorption and utilization in sugar cane can facilitate the development of nutrient-efficient sugar cane varieties. In this study, sugar cane seedlings were subjected to normal and low nitrogen stress treatments within a hydroponic system for the identification of candidate genes related to six root-associated traits using a diversity population of 297 accessions.
View Article and Find Full Text PDFPhysiol Plant
January 2025
KWS SEMILLAS IBÉRICA S.L.U, Finca Las Monjas, Miranda, Murcia, Spain.
Stomatal abundance sets plants' potential for gas exchange, impacting photosynthesis and transpiration and, thus, plant survival and growth. Stomata originate from cell lineages initiated by asymmetric divisions of protodermal cells, producing meristemoids that develop into guard cell pairs. The transcription factors SPEECHLESS, MUTE, and FAMA are essential for stomatal lineage development, sequentially driving cell division and differentiation events.
View Article and Find Full Text PDFBMC Plant Biol
January 2025
Faculty of Biotechnology, October University for Modern Sciences & Arts, 6th October City, Egypt.
Background: Magnesium (Mg) is essential for plant growth and development and plays critical roles in physiological and biochemical processes. Mg deficiency adversely affects growth of plants by limiting shoot and root development, disturbing the structure and membranes of the grana, reducing photosynthesis efficiency, and lowering net CO assimilation. The MGT (Magnesium transporter) family is responsible for the absorption and transportation of magnesium in plants.
View Article and Find Full Text PDFBMC Plant Biol
January 2025
Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
Background: The C-repeat binding factor (CBF)/dehydration-responsive element binding (DREB1) belongs to a subfamily of the AP2/ERF (APETALA2/ethylene-responsive factor) superfamily, which can regulate many physiological and biochemical processes in plants, such as plant growth and development, hormone signal transduction and response to abiotic stress. Although the CBF/DREB1 family has been identified in many plants, studies of the CBF/DREB1 family in alfalfa are insufficient.
Results: In this study, 25 MsCBF genes were identified in the genome of alfalfa ("Zhongmu No.
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