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Cited by 387

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Pollen Tube Growth and the Intracellular Cytosolic Calcium Gradient Oscillate in Phase while Extracellular Calcium Influx Is Delayed.

Open access
Holdaway-Clarke, T. L., Feijo, J. A., Hackett, G. R., Kunkel, J. G., Hepler, P. K.·1997·The Plant Cell

Abstract

Ratio images of cytosolic Ca2+ (Ca2+i) in growing, fura-2-dextran-loaded Lilium longiflorum pollen tubes taken at 3- to 5-sec intervals showed that the tip-focused [Ca2+]i gradient oscillates with the same period as growth. Similarly, measurement of the extracellular inward current, using a noninvasive ion-selective vibrating probe, indicated that the tip-directed extracellular Ca2+ (Ca2+o) current also oscillates with the same period as growth. Cross-correlation analysis revealed that whereas the [Ca2+]i gradient oscillates in phase with growth, the influx of Ca2+o lags by ~11 sec. Ion influx thus appears to follow growth, with the effect that the rate of growth at a given point determines the magnitude of the ion influx ~11 sec later. To explain the phase delay in the extracellular inward current, there must be a storage of Ca2+ for which we consider two possibilities: either the inward current represents the refilling of intracellular stores (capacitative calcium entry), or it represents the binding of the ion within the cell wall domain.

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Crossref · 10.1105/tpc.9.11.1999

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Citations

Cites

  • Capacitative calcium entry revisited

    Putney, J. W. (1990) · Cell Calcium · doi:10.1016/0143-4160(90)90016-n · Cited by 1,487 · cited 1×

    “Capacitative calcium entry (CCE; Putney, 1990; Berridge, 1995) across the plasma membrane, so called because discharge promotes refilling of the store, could start to recharge internal stores almost as soon as calcium is released.”
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Metadata

Authors
Holdaway-Clarke, T. L., Feijo, J. A., Hackett, G. R., Kunkel, J. G., & Hepler, P. K.
Venue
The Plant Cell
Published
1997-11-01
Volume
9
Issue
11
Pages
1999-2010
ISSN
  • 1040-4651 (ISSN-L)
  • 1532-298X
OpenAlex
W2166314922
Cited by
387
References
1
FWCI
6.97
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Pollen Tube Growth and the Intracellular Cytosolic Calcium Gradient Oscillate in Phase while Extracellular Calcium Influx Is Delayed. https://app.cochat.ai/papers/10.1105/tpc.9.11.1999
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Holdaway-Clarke, T. L., Feijo, J. A., Hackett, G. R., Kunkel, J. G., & Hepler, P. K. (1997). Pollen Tube Growth and the Intracellular Cytosolic Calcium Gradient Oscillate in Phase while Extracellular Calcium Influx Is Delayed. The Plant Cell. https://doi.org/10.1105/tpc.9.11.1999

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