【摘 要】
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Dear Editor,Extracellular Ca2+ influx focusing at the tips of pollen tubes is the main source of Ca2+ for the pollen tube tip cytosolic Ca2+ gradient,which is e
【机 构】
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National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shan
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Dear Editor,Extracellular Ca2+ influx focusing at the tips of pollen tubes is the main source of Ca2+ for the pollen tube tip cytosolic Ca2+ gradient,which is essential for both polar growth and orientation of pollen tubes in plants,and plasma membrane Ca2+ channels were proposed to be present in the tips and function as key proteins by mediating and regulating extracellular Ca2+ influx (for a review,see Guan et al.,2013).Arabidopsis genome contains 20 homologs of mammalian CNGCs (cyclic nucleotide gated channels),and the CNGCs were proposed as important Ca2+ channel candidates in plant cells (Guan et al.,2013).
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