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| **Aerenchyma (Figure 1), are air-filled cavities that connect the aerial parts and roots, allowing them to maintain their breathing and growth under submerged conditions (Nishiuchi et al., 2012; Rebouillat et al., 2009; Yamauchi et al., 2018).** | **Aerenchyma (Figure 1), are air-filled cavities that connect the aerial parts and roots, allowing them to maintain their breathing and growth under submerged conditions (Nishiuchi et al., 2012; Rebouillat et al., 2009; Yamauchi et al., 2018).** |
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| <imgcaption figure_3|Aerenchyma formation (white arrowheads) in the rice seminal root at 1, 2 and 3 cm from the root tip (photos Sergi Navarro). White arrows: formation of aerenchyma by cell death and detachment of the cortex walls.>{{:figure_3.png}}</imgcaption> | <imgcaption figure_3|Aerenchyma formation (white arrowheads) in the rice seminal root at 1, 2 and 3 cm from the root tip (photos Sergi Navarro). White arrows: formation of aerenchyma by cell death and detachment of the cortex walls.>{{project:figure_3.png}}</imgcaption> |
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| <imgcaption figure_4|A) Longitudinal section of a rice root meristem on left, radial sections on right. Cortex is color coded in green. From bottom to top, radial sections of the meristematic stage of cortex formation, elongation phase with radially enlarged mid-cortex cells, mature aerenchyma formation stage. Aerenchyma are visible as white cavity in the last stage. B) Detailed stages of aerenchyma formation. In red, first cell to undergo cell death that propagate radially. Note the most distal cell do not undergo cell death as well as the cortex cell layer adjacent to the exodermis (in bleu), divided tangentially>{{:figure_4.png}}</imgcaption> | <imgcaption figure_4|A) Longitudinal section of a rice root meristem on left, radial sections on right. Cortex is color coded in green. From bottom to top, radial sections of the meristematic stage of cortex formation, elongation phase with radially enlarged mid-cortex cells, mature aerenchyma formation stage. Aerenchyma are visible as white cavity in the last stage. B) Detailed stages of aerenchyma formation. In red, first cell to undergo cell death that propagate radially. Note the most distal cell do not undergo cell death as well as the cortex cell layer adjacent to the exodermis (in bleu), divided tangentially>{{project:figure_4.png}}</imgcaption> |
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