P K Hepler
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Explore the profile of P K Hepler including associated specialties, affiliations and a list of published articles.
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Articles
85
Citations
2755
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Recent Articles
1.
Palevitz B, Hepler P
Planta
. 2014 Jan;
125(3):261-71.
PMID: 24435439
Microfilaments associated with cytoplasmic streaming in Nitella flexilis internodes can be decorated with heavy meromyosin (HMM) from rabbit, both in vitro in cytoplasmic suspensions, and in situ in glycerinated cell...
2.
Palevitz B, Hepler P
Planta
. 2014 Jan;
132(1):71-93.
PMID: 24424910
The role of microtubules and ions in cell shaping was investigated in differentiating guard cells of Allium using light and electron microscopy and cytochemistry. Microtubules appear soon after cytokinesis in...
3.
Saunders M, Hepler P
Planta
. 2013 Dec;
152(3):272-81.
PMID: 24302427
We have investigated the changes in membrane-associated calcium that occur during cytokinin induced bud formation in Funaria hygrometrica Hedw. using the fluorescent Ca(2+)-chelate probe chlorotetracycline (CTC). In the target caulonema...
4.
Wayne R, Hepler P
Planta
. 2013 Nov;
160(1):12-20.
PMID: 24258366
Phytochrome is confirmed to be the photoreceptor pigment in the germination response of Onoclea sensibilis L. by demonstrating red-far-red (R-FR) photoreversibility. External Ca(2+) is required for this response with a...
5.
Palevitz B, Hepler P
Planta
. 2013 Nov;
164(4):473-9.
PMID: 24248219
Lucifer yellow has been microinjected into stomatal cells of Allium cepa L. epidermal slices and Commelina communis L. epidermal peels and the symplastic spread of dye to neighboring cells monitored...
6.
Turgeon R, Hepler P
Planta
. 2013 Nov;
179(1):24-31.
PMID: 24201418
Dye-coupling studies have been undertaken to determine whether plasmodesmata between intermediary cells (companion cells) and bundle-sheath cells in the minor veins of mature Cucurbita pepo L. leaves are open to...
7.
Keifer A, Callaham D, Hepler P
Planta
. 2013 Nov;
186(3):361-6.
PMID: 24186732
The herbicides amiprophos-methyl (APM) and oryzalin disrupt mitosis and cytokinesis in plant cells by causing the depolymerization of microtubules. These drugs have also been shown to affect calcium sequestration by...
8.
Huang B, Fu Y, Zee S, Hepler P
Protoplasma
. 2008 Nov;
209(1-2):105-19.
PMID: 18987799
Actin organization was observed in m-maleimidobenzoic acid N-hydroxysuccinimide ester(MBS)-treated maize embryo sacs by confocal laser scanning microscopy. The results revealed that dynamic changes of actin occur not only in the...
9.
Valster A, Vidali L, Hepler P
Protoplasma
. 2003 Sep;
222(1-2):85-95.
PMID: 14513314
The localization of the actin-monomer-binding protein profilin during the cell cycle of living Tradescantia virginiana stamen hair cells has been studied by microinjection of a fluorescently labeled analog of the...
10.
Feijo J, Hackett G, Kunkel J, Hepler P
Plant Cell
. 2002 Sep;
9(11):1999-2010.
PMID: 12237353
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...