Auxin and Cytokinin Interplay during Leaf Morphogenesis and Phyllotaxy
2021
Sajid Hussain | Satyabrata Nanda | Junhua Zhang | Muhammad Ishaq Asif Rehmani | Muhammad Suleman | Gaojie Li | Hongwei Hou
Auxins (IAA) and cytokinins (CKs) are the most influential phytohormones, having multifaceted roles in plants. They are key regulators of plant growth and developmental processes. Additionally, their interplay exerts tight control on plant development and differentiation. Although several reviews have been published detailing the auxin-cytokinin interplay in controlling root growth and differentiation, their roles in the shoot, particularly in leaf morphogenesis are largely unexplored. Recent reports have provided new insights on the roles of these two hormones and their interplay on leaf growth and development. In this review, we focus on the effect of auxins, CKs, and their interactions in regulating leaf morphogenesis. Additionally, the regulatory effects of the auxins and CKs interplay on the phyllotaxy of plants are discussed.
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