research Investigation of ROP GTPase Activity and Cytoskeleton Dynamics During Tip Growth in Root Hairs and Pollen Tubes
ROP GTPase helps control the growth of pollen tubes and root hairs by managing cell structure and movement.
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research How Does pH Fit in with Oscillating Polar Growth?
The document reviewed the role of pH in oscillating polar growth in root hairs and pollen tubes, focusing on the acid growth theory and the unclear mechanisms regulating apoplastic pH (apopH). It proposed that oscillatory polar growth, occurring every 20-40 seconds, was regulated by calcium (Ca²+), reactive oxygen species (ROS), and pH gradients. NADPH oxidases (NOXs) and type-III peroxidases (PERs) were identified as key players in ROS homeostasis, influencing cell wall dynamics. The study emphasized the role of plasma membrane H+-ATPases (AHAs) in apoplastic pH regulation, modulated by auxin, affecting cell wall loosening and growth. It highlighted the need for further understanding of these oscillations and their role in plant cell expansion, suggesting future research directions to enhance crop growth under stress conditions.
research Elucidating the Roles of Three β-Glucuronosyltransferases Acting on Arabinogalactan-Proteins Using a CRISPR-Cas9 Multiplexing Approach in Arabidopsis
The study concluded that three enzymes are important for plant development by affecting sugar composition and calcium binding in plants.
research A Small Multigene Hydroxyproline-O-Galactosyltransferase Family Functions in Arabinogalactan-Protein Glycosylation, Growth, and Development in Arabidopsis
Three genes in Arabidopsis are important for plant growth and development by affecting sugar attachment to proteins.
research Root Hair Growth in Arabidopsis Thaliana Is Directed by Calcium and an Endogenous Polarity
Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
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