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pH gradients are not associated with tip growth in pollen tubes of Lilium longiflorum.

Abstract:

The cytoplasmic pH of growing pollen tubes of Lilium longiflorum Thunb. was measured using the pH-sensitive fluorescent dye 2',7'-bis-(carboxyethyl)-5(6')-carboxyfl uorescein and confocal fluorescence ratio imaging. The average cytoplasmic pH in the clear zone of the pollen tube tip was pH 7.11, and no consistent pH gradients were detected in the clear zone, averaging around -1.00 milli pH unit microm(-1), or along the first 50 microm of the tube (3.62 milli pH units microm[-1]). In addition,...

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Publication status:
Published
Peer review status:
Peer Reviewed

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Institution:
University of Oxford
Department:
Oxford, MPLS, Plant Sciences
Obermeyer, G More by this author
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Funding agency for:
Fricker, MD
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Funding agency for:
Fricker, MD
Publisher:
The Company of Biologists Publisher's website
Journal:
Journal of Cell Science Journal website
Volume:
110
Issue:
15
Pages:
1729-1740
Publication date:
1997-08-13
EISSN:
1477-9137
ISSN:
0021-9533
URN:
uuid:f3fdd987-8ee8-498a-a50d-803e9a20501f
Source identifiers:
36080
Local pid:
pubs:36080

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