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Article: Alternative photosynthesis pathways drive the algal CO2-concentrating mechanism Journal: Nature Year: 2022 Guest: Adrien Burlacot Host: Arif Ashraf   Abstract Global photosynthesis consumes ten times more CO2 than net anthropogenic emissions, and microalgae account for nearly half of this consumption. The high efficiency of algal photosynthesis relies on a mechanism concentratin...

Article: Oxygen uptake rates have contrasting responses to temperature in the root meristem and elongation zone Journal: Physiologia Plantarum Year: 2022 Guest: Maura Zimmermann Host: Arif Ashraf   Abstract Growing at either 15 or 25°C, roots of Arabidopsis thaliana, Columbia accession, produce cells at the same rate and have growth zones of the same length. To determine whether this constanc...

Article: Distinct mechanisms orchestrate the contra-polarity of IRK and KOIN, two LRR-receptor-kinases controlling root cell division Journal: Nature Communications Year: 2022 Guest: Cecilia Rodriguez-Furlan Host: Arif Ashraf   Abstract  In plants, cell polarity plays key roles in coordinating developmental processes. Despite the characterization of several polarly localized plasma membr...

Article: Spatial control of potato tuberization by the TCP transcription factor BRANCHED1b Journal: Nature Plants Year: 2022 Guest: Michael Nicolas Host: Arif Ashraf Abstract The control of carbon allocation, storage and usage is critical for plant growth and development and is exploited for both crop food production and CO2 capture. Potato tubers are natural carbon reserves in the form of starch...

Article: Cytokinin–CLAVATA cross-talk is an ancient mechanism regulating shoot meristem homeostasis in land plants Journal: PNAS Year: 2022 Guest: Joseph Cammarata Host: Arif Ashraf   Abstract Plant shoots grow from stem cells within shoot apical meristems (SAMs), which produce lateral organs while maintaining the stem cell pool. In the model flowering plant Arabidopsis , the CLAVATA (CLV) pa...

Article: Multiple brace root phenotypes promote anchorage and limit root lodging in maize Journal: Plant, Cell & Environment Year: 2022 Guest: Ashley Hostetler Host: Arif Ashraf   Abstract Plant mechanical failure (lodging) causes global yield losses of 7%−66% in cereal crops. We have previously shown that the above-ground nodal roots (brace roots) in maize are critical for anchorage. How...

Article: Spatial control of cell division by GA-OsGRF7/8 module in a leaf explaining the leaf length variation between cultivated and wild rice Journal: New Phytologist Year: 2022 Guest: Vikram Jathar Host: Arif Ashraf Abstract Cellular and genetic understanding of the rice leaf size regulation is limited, despite rice being the staple food of more than half of the global population. We investigat...

Article: Quantitative live imaging of floral organ initiation and floral meristem termination in Aquilegia Journal: Development Year: 2022 Guest: Min Ya & Stephanie Conway Host: Arif Ashraf   Abstract In-depth investigation of any developmental process in plants requires knowledge of both the underpinning molecular networks and how they directly determine patterns of cell division and exp...

Article: Mutation bias reflects natural selection in Arabidopsis thaliana Journal: Nature Year: 2022 Guest: Grey Monroe Host: Arif Ashraf   Grey Monroes' tweetorial on this article: https://twitter.com/Grey_Monroe/status/1481298489191837701 Abstract Since the first half of the twentieth century, evolutionary theory has been dominated by the idea that mutations occur randomly with respect to t...

Article: Plant PIEZO homologs modulate vacuole morphology during tip growth Journal: Science Year: 2021 Guest: Ivan Radin Host: Arif Ashraf Molecular Plant Editorial highlight: Evolutionarily conserved mechanosensor PIEZO in land plants Abstract In animals, PIEZOs are plasma membrane–localized cation channels involved in diverse mechanosensory processes. We investigated PIEZO function in tip-growi...

Article: THESEUS1 modulates cell wall stiffness and abscisic acid production in Arabidopsis thaliana Journal: PNAS Year: 2021 Guest: Laura Bacete Host: Arif Ashraf A well explained Tweetorial from Laura: https://twitter.com/LauraBacete/status/1478342822780674053 Abstract Plant cells can be distinguished from animal cells by their cell walls and high-turgor pressure. Although changes in turgor and...

Article: Ground tissue circuitry regulates organ complexity in maize and Setaria Journal: Science Year: 2021 Guest: Carlos Ortiz-Ramírez Host: Arif Ashraf   Abstract Most plant roots have multiple cortex layers that make up the bulk of the organ and play key roles in physiology, such as flood tolerance and symbiosis. However, little is known about the formation of cortical layers outside of t...

Arif, plant biologist and host of the podcast, will talk to either first author or corresponding author of a recently published plant biology paper. The guest will simply explain the story of the publication, answer questions from the host, and share personal experience and details related to the article. As an audience, you will tune in to the episode with an expectation that you will know the st...