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DOI: | 10.1104/pp.66.4.762 |
Web URL(s): | http://www.plantphysiol.org/content/66/4/762.full.pdf+html Last checked: 08/08/2012 Requires: PDF Reader Access conditions: Content is within a limited access website |
Publication Type:
| Refereed |
Author(s): | Prioul, Jean-Louis;
Brangeon, Judy;
Reyss, Agnès |
Author Affiliation: | Laboratoire Structure et Métabolisme des Plantes, Centre National de la Recherche Scientifique, Université de Paris-Sud, Orsay, Cedex, France |
Title: | Regional responses along a leaf during and after low-light or high-light acclimation |
Article Series: | Interaction between external and internal conditions in the development of photosynthetic features in a grass leaf, part 1 |
Source: | Plant Physiology. Vol. 66, No. 4, October 1980, p. 762-769. |
Publishing Information: | Lancaster, PA: American Society of Plant Physiologists |
# of Pages: | 8 |
Related Web URL: | http://www.plantphysiol.org/content/66/4/762.abstract Last checked: 08/08/2012 Notes: Abstract only |
Keywords: | TIC Keywords: Lolium multiflorum; Leaves; Chloroplasts; Photosynthesis
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Geographic Terms: | France |
Abstract/Contents: | "Morphological and functional features were compared along a developing third leaf and fully expanded leaf from high-light- and low-light-acclimated seedlings of Lolium multiflorum. The young leaf contains a gradient of differentiating tissue, ranging from meristematic cells at the leaf base to mature tissue at the tip; this gradient can be related to the maturation of a functional photosynthetic apparatus. Along the fully expanded leaf, a decreasing gradient from tip to base is maintained for functional characteristics (net maximum photosynthesis, chlorophyll content, and ribulose bisphosphate carboxylase activity) and for a number of structural parameters (number of mesophyll cells and their external surface area, number of chloroplasts and their envelope area), irrespective of the light regime. In contrast, a constancy in the absolute intrachloroplastic lamellar content per plastid was revealed whatever the position in the leaf or irradiance received. However, the relative membrane content was lower in high-light chloroplasts due to their larger volume compared to low-light plastids (dilution effect). The longitudinal differences in functional and morphological characteristics are interpreted as the result of interaction between the internal gradient of differentiating tissue along a developing young leaf and the external light conditions during development." |
Language: | English |
References: | 19 |
See Also: | See also part 2 "Reversibility of light-induced responses as a function of developmental stages" Plant Physiology, 66(4) October 1980, p. 770-774, R=4882. R=4882 |
Note: | Pictures, b/w Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Prioul, J.-L., J. Brangeon, and A. Reyss. 1980. Regional responses along a leaf during and after low-light or high-light acclimation. Plant Physiol. 66(4):p. 762-769. |
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| DOI: 10.1104/pp.66.4.762 |
| Web URL(s): http://www.plantphysiol.org/content/66/4/762.full.pdf+html Last checked: 08/08/2012 Requires: PDF Reader Access conditions: Content is within a limited access website |
| MSU catalog number: QK 1 .P68 |
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