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18 mar 2008 · Bundle sheath cells constitute ∼15% of chloroplast-containing cells in an Arabidopsis leaf (Kinsman and Pyke, 1998), and they conduct fluxes of compounds both into the leaf, particularly during leaf development, and out of the leaf, during export of photosynthates and during senescence.
- Starch Accumulation in the Bundle Sheaths of C3 Plants: A Possible Pre ...
There is usually one layer of bundle sheath cells in...
- Starch Accumulation in the Bundle Sheaths of C3 Plants: A Possible Pre ...
25 lip 2012 · Bundle sheath (BS) anatomy is found in most C4 lineages, associated with low inter-veinal distances (IVD) and high BS:mesophyll ratio (BS:MC). The origins, function and selective advantages of the BS in C3 lineages are relevant for understanding the environmental, molecular and phylogenetic determinants of C4 evolution.
1 lut 2008 · This review considers aspects of the structure and functions of the parenchymatous bundle sheath that surrounds the veins in the leaves of many C3 plants. It includes a discussion of bundle...
19 cze 2007 · This review considers aspects of the structure and functions of the parenchymatous bundle sheath that surrounds the veins in the leaves of many C(3) plants. It includes a discussion of bundle sheath structure and its related structures (bundle sheath extensions and the paraveinal mesophyll), its relationship to the mestome sheath in some ...
The bundle sheath cells are the only cells outside the vasculature itself (xylem, phloem, and some of their associated parenchyma cells) through which these sub stances must pass. The bundle sheath of C3 plants maintains hydraulic integrity to prevent air entering the xylem, and may also store water to buffer transpira
2 mar 2016 · There is usually one layer of bundle sheath cells in eudicots, but C 3 grass species have two kinds of bundle sheaths around large vascular bundles; an outer parenchyma sheath and an inner mestome sheath with thickened walls.
Analysis of reticulate leaf mutants supports the significance of plastid retrograde signaling in cell development and highlights the significance of the bundle sheath in C3 photosynthesis for supplying the mesophyll with metabolites during leaf development.
