Mesophyll Cells
Mesophyll Cells - Related Videos
08:38
Scalable Transfection of Maize Mesophyll Protoplasts
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Cited by 10 •
2023
Here, we present a high-throughput protocol to transiently transfect millions of maize protoplasts for testing large libraries of plasmids in maize mesophyll cells.
01:27
C4 Pathway and CAM
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2019
Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy. C4 Pathway The C4 pathway is used by plants such as...
01:07
Anatomy of Chloroplasts
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2019
Green algae and plants, including green stems and unripe fruit, harbor chloroplasts—the vital organelles where photosynthesis takes place. In plants, the highest density of chloroplasts is found in the mesophyll cells of leaves. A double membrane surrounds chloroplasts. The outer membrane faces the cytoplasm of the plant cell on one side and the intermembrane space of the chloroplast on the other. The inner membrane separates the narrow intermembrane space from the aqueous interior of the...
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
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2025
This protocol describes the in vivo reprogramming of mouse cancer cells into type 1 dendritic-like cells within the tumor microenvironment through enforced expression of the transcription factors PU.1, IRF8, and BATF3.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 8 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
FAQs
The light-dependent reactions capture light energy and generate ATP and NADPH inside chloroplasts. These energy carriers then support the Calvin cycle, which fixes carbon dioxide into sugars. This division of roles links light capture with carbon fixation and explains how mesophyll activity contributes to overall plant productivity.
Palisade mesophyll cells are specialized for efficient light capture, whereas spongy mesophyll cells contain air spaces that support carbon dioxide and oxygen diffusion. Their contrasting structures allow different aspects of photosynthesis and gas exchange to occur effectively within the same leaf, contributing to coordinated leaf function.
ATP and NADPH carry the energy and reducing power produced during the light-dependent reactions into the Calvin cycle. There, they support the fixation of carbon dioxide into sugars. Examining this connection clarifies why chloroplast activity is essential for converting absorbed light energy into stored chemical energy.
Air spaces within spongy mesophyll provide internal pathways that support the diffusion of carbon dioxide and oxygen. This arrangement helps carbon dioxide reach photosynthetic cells while allowing oxygen to move through the leaf. Consequently, spongy mesophyll structure is closely connected to efficient gas exchange during photosynthetic activity.
Mesophyll cells provide a cellular basis for examining plant productivity because their chloroplasts carry out light reactions and carbon fixation. Comparing their photosynthetic roles can help relate leaf function to the amount of chemical energy and sugar produced, offering context for differences in plant growth and crop performance.
Their organization links light capture, carbon fixation, and gas diffusion, making mesophyll cells useful for studying how leaves function under differing environmental conditions. Investigations can focus on palisade specialization, spongy air spaces, or photosynthetic reactions to connect cellular features with leaf adaptation, stress responses, and crop performance.