Leaf anatomy and C4 photosynthetic enzymes in three reed ecotypes

Differences in leaf interveinal distances, chloroplasts distribution in bundle sheath cells (BSC) and activities of C4 photosynthetic enzymes in the leaves of three ecotypes of Phragmites communis Trinius, namely swamp reed (SR), heavy salt meadow reed (HSMR) and dune reed (DR), occurring in the des...

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Bibliographic Details
Published inBiologia plantarum Vol. 56; no. 1; pp. 145 - 148
Main Authors Zhu, X. -Y, Xia, W. -X, Chen, L. -J
Format Journal Article
LanguageEnglish
Published Dordrecht Springer-Verlag 2012
Springer Netherlands
Institute of Experimental Botany of the Czech Academy of Sciences
Subjects
Biomedical and Life Sciences
Brief Communication
bundle sheath cells
C4 photosynthesis
carbon dioxide
chloroplasts
drought
ecotypes
enzymes
leaf vein frequency
leaves
Life Sciences
meadows
Phragmites australis
phragmites communis
Plant Sciences
salinity
salinity
chloroplasts
leaf vein frequency
drought
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Summary:Differences in leaf interveinal distances, chloroplasts distribution in bundle sheath cells (BSC) and activities of C4 photosynthetic enzymes in the leaves of three ecotypes of Phragmites communis Trinius, namely swamp reed (SR), heavy salt meadow reed (HSMR) and dune reed (DR), occurring in the desert region of northwest China were investigated. The two terrestrial ecotypes, DR and HSMR, had denser vascular system, more and longer BSC chloroplasts and higher capacity of CO2 concentrating mechanism of NAD-ME subtype as compared with the SR ecotype. The enhanced NADP-ME pathway in the HSMR might contribute to its adaptation to the salinity habitat.
Bibliography:http://dx.doi.org/10.1007/s10535-012-0031-4
ISSN:0006-3134
1573-8264
DOI:10.1007/s10535-012-0031-4