Genome-wide characterization of RNA populations in early flowering plant embryos can yield insights into the gene regulatory processes functioning during this formative phase of development. However, early embryonic transcriptomes are technically challenging to profile because of the low amount of RNA obtainable and potential RNA contamination from surrounding nonembryonic tissues. Here we provide a detailed protocol for collecting early Arabidopsis thaliana (Arabidopsis) embryos, generating mRNA sequencing (mRNA-seq) libraries, and basic data processing and quality controls of the resulting mRNA-seq data.
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New Phytol
December 2024
State Key Laboratory of Wheat Improvement, College of Life Science, Shandong Agricultural University, Tai'an, 271018, China.
Protoderm formation is a crucial step in early embryo patterning in plants, separating the precursors of the epidermis and the inner tissues. Although key regulators such as ARABIDOPSIS THALIANA MERISTEM LAYER1 (ATML1) and PROTODERMAL FACTOR2 (PDF2) have been identified in the model plant Arabidopsis thaliana, the genetic pathways controlling protoderm specification remain largely unexplored. Here, we combined genetic, cytological, and molecular approaches to investigate the regulatory mechanisms of protoderm specification in Arabidopsis thaliana.
View Article and Find Full Text PDFPlant Reprod
December 2024
Max Planck Institute of Molecular Plant Physiology, Potsdam Science Park, Am Mühlenberg 1, 14476, Potsdam, Germany.
This review covers the latest developments on the regulation of early seed development by phytohormones. The development of seeds in flowering plants starts with the fertilization of the maternal gametes by two paternal sperm cells. This leads to the formation of two products, embryo and endosperm, which are surrounded by a tissue of maternal sporophytic origin, called the seed coat.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
State Key Laboratory of Efficient Production of Forest Resources, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China.
root regeneration is the process by which adventitious roots form around the wound site from wounded or detached plant organs. The root regeneration process has been widely exploited in cutting technology used for vegetative propagation. Here, we employed detached leaf explants from to form adventitious roots for studying the process of root regeneration.
View Article and Find Full Text PDFCell Rep
December 2024
Departiment of BioScience, University of Milan, 20133 Milano, Italy. Electronic address:
Auxin plays a pivotal role in plant development by activating AUXIN RESPONSE FACTORs (ARFs). Under low auxin levels, ARF activity is inhibited by interacting with Aux/IAAs. Aux/IAAs are degraded when the cellular auxin concentration increases, causing the release of ARF inhibition.
View Article and Find Full Text PDFFunct Plant Biol
November 2024
Department of Plant Biotechnology, College of Agricultural Sciences, University of Guilan, Khalij Fars Highway, Rasht 4199613769, Iran.
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