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Histochemical Study of Polysaccharides and Lipids on the Developing Anthers of Camellia oleifera Abel
Wei Dongmei1*, Gao Chao2, Yuan Deyi2
1School of Life Science, Taizhou University, Taizhou 318000, China;2The Key Lab of Non-wood Forest Product of Forestry Ministry,Central South University of Forestry and Technology, Changsha 410004, China
Abstract: The distribution of polysaccharides and lipids during the anther development of the Camellia oleifera Abel displayed some characters: (1) A few lipids were accumulated in microspore mother cells， which had formed a callose wall， and no lipids appeared in other cells of the anther wall; (2) At early microspore stage， some lipids and polysaccharides were displayed in the epidermis cells， and there were no evident changes of nutrition material in other cells of the anther wall; (3) At late microspore stage， some polysaccharides appeared in the microspores， and tapetal cells began to degenerate; (4) After microspore division， with the big vacuole of vegetative cell disappearing， lipids appeared in the pollen， and the tapetal cells of anther wall completely degenerated and its cell content was transformed to some big lipids for pollen absorbing at this time; (5) The mature pollen grains of Camellia oleifera accumulated many lipids and a few of polysaccharides in its vegetative cell as stored materials.
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