Circadian and Diurnal Calcium Oscillations Encode Photoperiodic...

Plant Cell;  April 1, 2004 ;     700+ words ......cytosolic free calcium ([Ca^sup 2+^]^sub cyt^) can encode information. We imaged oscillations of [Ca^sup 2+^]^sub cyt^ in the cotyledons and leaves of Arabidopsis...of the oscillations of [Ca^sup 2+^]^sub cyt^ and [Ca^sup 2+^]^sub cyt^ at critical...

Arabidopsis abi1-1 and abi2-1 phosphatase mutations reduce abscisic...

Plant Cell;  September 1, 1999 ;     700+ words ...Elevations in cytoplasmic calcium ([Ca2+]^sub cyt^) are an important component of early...ABA signal transduction affect [Ca2+]^sub cyt^ signaling, the Ca2- -sensitive fluorescent...Arabidopsis guard cells. Oscillations in [Ca2+]^sub cyt^could be induced when the external calcium...

Extracellular ATP inhibits root gravitropism at concentrations that...

Plant Physiology;  January 1, 2003 ;     700+ words ...Extracellular ATP Inhibits Root Gravitropism at Concentrations...Transport1 Raising the level of extracellular ATP to mM concentrations similar to...exogenously applied ATP, because extracellular ATP can alter the pattern of auxin...

Determination of time-dependent inositol-1,4,5-trisphosphate...

Biophysical Journal;  July 1, 1999 ;     700+ words ...ABSTRACT The level of [InsP^sub 3^]^sub cyt^ required for calcium release in A7r5...From these experiments, the [InsP^sub 3^]^sub cyt^ required to evoke a half-maximal calcium...the InsP^sub 3^-dependent [Ca^sup 2+^]^sub cyt^ changes; the resulting simulations show...

Pollen-Papilla Interactions Affect Calcium Dynamics

Plant Physiology;  November 1, 2004 ;     281 words ......Arabidopsis and monitored [Ca^sup 2+^]^sub cyt^ dynamics during pollination. In the pollen grain, [Ca^sup 2+^]^sub cyt^ increased at the potential germination...germination. Increased regions of [Ca^sup 2+^]^sub cyt^ in the tip of the elongating pollen...

Extracellular ATP Functions as an Endogenous External Metabolite...

Plant Cell;  November 1, 2005 ;     700+ words ......defined physiological function of extracellular ATP in plants. Here, we show that extracellular ATP is essential for maintaining plant...plants. Competitive exclusion of extracellular ATP from its binding sites by treatment...

On the Inside

Plant Physiology;  April 1, 2006 ;     700+ words ......a wide array of defense responses. Extracellular ATP Generates Reactive Oxygen Species Extracellular ATP (eATP) is a well-characterized signaling...sup 2+^ concentration ([Ca^sup 2+^]^sub cyt^). Recent reports indicate that eATP...eATP induce increases in [Ca^sup 2+^]^sub ...

ATP signaling in plants?

Plant Physiology;  October 1, 2003 ;     280 words ......in cytoplasmic calcium ([Ca^sup 2+^ ]^sub cyt^) in aequorin-expressing Arabidopsis roots...pyrimidine in eliciting these [Ca^sup 2+^ ]^sub cyt^ transients. Extracellular Ca2+ depletion abolished most of the [Ca^sup 2+^ ]^sub cyt^ increase induced by eATP, demonstrating...

Extracellular Calmodulin-Induced Stomatal Closure Is Mediated by...

Plant Physiology;  December 1, 2004 ;     700+ words ......cytosolic free Ca^sup 2+^ ([Ca^sup 2+^]^sub cyt^) and H^sub 2^O^sub 2^ in Vicia faba guard...sub 2^O^sub 2^ levels and [Ca^sup 2+^]^sub cyt^, leading to a reduction in stomatal aperture...signal, acting upstream of [Ca^sup 2+^]^sub cyt^ elevation, and generating H^sub 2^O^sub...

Analysis and effects of cytosolic free calcium increases in response to...

Plant Cell;  October 1, 2002 ;     700+ words ......cytosolic free calcium concentrations ([Ca2+]^sub cyt^) in response to elicitors of plant defenses...characterized by a long-sustained [Ca2+]^sub cyt^ increase that should be responsible for...activation, and cell death. The [Ca2+]^sub cyt^ increase in ellicitor-treated cells first...

Mutations in the Ca^sup 2-^/H^sup +^ Transporter CAX1 Increase CBF/DREB1...

Plant Cell;  December 1, 2003 ;     700+ words ......free calcium concentration ([Ca^sup 2+^]^sub cyt^) are essential for plant responses to...Subsequent reestablishment of [Ca^sup 2+^]^sub cyt^ to resting levels by Ca^sup 2+^ pumps...concentration of free Ca^sup 2+^ ([Ca^sup 2+^]^sub cyt^) is the basis for Ca^sup 2+^ serving...

Ca^sup 2+^ Dynamics in a Pollen Grain and Papilla Cell during Pollination...

Plant Physiology;  November 1, 2004 ;     700+ words ......pollination. In the pollen grain, [Ca^sup 2+^]^sub cyt^ increased at the potential germination...vitro germination studies, [Ca^sup 2+^]^sub cyt^ oscillations were observed in the tip...frequency was faster and [Ca^sup 2+^]^sub cyt^ was higher than had been observed in...

PINOID-mediated signaling involves calcium-binding proteins

Plant Physiology;  July 1, 2003 ;     700+ words ......of cytosolic free calcium ([Ca^sup 2+^]^sub cyt^), which in turn induces growth responses...to induce an increase in [Ca^sup 2+^]^sub cyt^ within minutes after its application...After gravistimulation, [Ca^sup 2+^]^sub cyt^ peaks were found to coincide with the...

Osmo-Sensitive and Stretch-Activated Calcium-Permeable Channels in Vicia...

Plant Physiology;  March 1, 2007 ;     700+ words ......stimuli, changes of cytoplasmic [Ca^sup 2+^]^sub cyt^ in stomatal guard cells play important...these channels. In addition, [Ca^sup 2+^]^sub cyt^ imaging demonstrated that both the hypotonic...cells causes elevation of [Ca^sup 2+^]^sub cyt^ and consequently inhibits overswelling...

Convergence of calcium signaling pathways of pathogenic elicitors and...

Plant Physiology;  December 1, 2002 ;     700+ words ......free cytosolic calcium ([Ca^sup 2+^]^sub cyt^) and stomatal closure in guard cells. ABA and ROS elicited [Ca^sup 2+^]^sub cyt^ oscillations in guard cells only...exhibited spontaneous [Ca^suph 2+^]^sub cyt^ oscillations that differed in their...