Neither compatible nor self‐incompatible pollinations of Brassica napus involve reorganization of the papillar cytoskeleton
نویسندگان
چکیده
منابع مشابه
Interrelationships between cytoplasmic Ca2+ peaks, pollen hydration and plasma membrane conductances during compatible and incompatible pollinations of Brassica napus papillae.
We have investigated Ca(2+)-involving cell signaling, plasma membrane potentials and conductances and callose formation during early stages of pollination of papillae of Brassica napus. Using fluorescence imaging of calcium green-1, we found that application of a range of pollen types and controls all rapidly produced small localized peaks in papillar cytoplasmic [Ca2+]. This response was more ...
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[In the Brassicaceae, targeted exocytosis to the stigmatic papillar plasma membrane under the compatible pollen grain is hypothesized to be essential for pollen hydration and pollen tube penetration. In contrast, polarized secretion is proposed to be inhibited in the stigmatic papillae during the rejection of self-incompatible pollen. Using transmission electron microscopy (TEM), we performed a...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 1999
ISSN: 0028-646X,1469-8137
DOI: 10.1046/j.1469-8137.1999.00334.x