Search Results - "Henn, Arnon"

Myo19 is an outer mitochondrial membrane motor and effector of starvation-induced filopodia by Shneyer, Boris I, Ušaj, Marko, Henn, Arnon

“…Mitochondria respond to environmental cues and stress conditions. Additionally, the disruption of the mitochondrial network dynamics and its distribution is…”
Get full text

Auxiliary ATP binding sites support DNA unwinding by RecBCD by Zananiri, Rani, Mangapuram Venkata, Sivasubramanyan, Gaydar, Vera, Yahalom, Dan, Malik, Omri, Rudnizky, Sergei, Kleifeld, Oded, Kaplan, Ariel, Henn, Arnon

“…The RecBCD helicase initiates double-stranded break repair in bacteria by processively unwinding DNA with a rate approaching ∼1,600 bp·s −1 , but the mechanism…”
Get full text

ROS induced distribution of mitochondria to filopodia by Myo19 depends on a class specific tryptophan in the motor domain by Shneyer, Boris I., Ušaj, Marko, Wiesel-Motiuk, Naama, Regev, Ronit, Henn, Arnon

“…The role of the actin cytoskeleton in relation to mitochondria function and dynamics is only recently beginning to be recognized. Myo19 is an actin-based motor…”
Get full text

Synergy between RecBCD subunits is essential for efficient DNA unwinding by Zananiri, Rani, Malik, Omri, Rudnizky, Sergei, Gaydar, Vera, Kreiserman, Roman, Henn, Arnon, Kaplan, Ariel

“…The subunits of the bacterial RecBCD act in coordination, rapidly and processively unwinding DNA at the site of a double strand break. RecBCD is able to…”
Get full text

Cofilin-Linked Changes in Actin Filament Flexibility Promote Severing by McCullough, Brannon R., Grintsevich, Elena E., Chen, Christine K., Kang, Hyeran, Hutchison, Alan L., Henn, Arnon, Cao, Wenxiang, Suarez, Cristian, Martiel, Jean-Louis, Blanchoin, Laurent, Reisler, Emil, De La Cruz, Enrique M.

“…The actin regulatory protein, cofilin, increases the bending and twisting elasticity of actin filaments and severs them. It has been proposed that filaments…”
Get full text

Pathway of ATP utilization and duplex rRNA unwinding by the DEAD-box helicase, DbpA by Henn, Arnon, Cao, Wenxiang, Licciardello, Nicholas, Heitkamp, Sara E, Hackney, David D, De La Cruz, Enrique M

“…DEAD-box RNA helicase proteins use the energy of ATP hydrolysis to drive the unwinding of duplex RNA. However, the mechanism that couples ATP utilization to…”
Get full text

The Conserved Lysine-265 Allosterically Modulates Nucleotide- and Actin-binding Site Coupling in Myosin-2 by Behrens, Vincent A., Münnich, Stefan, Adler-Gunzelmann, Georg, Thiel, Claudia, Henn, Arnon, Latham, Sharissa L., Taft, Manuel H.

“…Myosin motor proteins convert chemical energy into force and movement through their interactions with nucleotide and filamentous actin (F-actin). The…”
Get full text

Myosin Isoform Determines the Conformational Dynamics and Cooperativity of Actin Filaments in the Strongly Bound Actomyosin Complex by Prochniewicz, Ewa, Chin, Harvey F., Henn, Arnon, Hannemann, Diane E., Olivares, Adrian O., Thomas, David D., De La Cruz, Enrique M.

“…We used transient phosphorescence anisotropy to detect the microsecond rotational dynamics of erythrosin-iodoacetamide-labeled actin strongly bound to…”
Get full text

Vertebrate Myosin VIIb Is a High Duty Ratio Motor Adapted for Generating and Maintaining Tension by Henn, Arnon, De La Cruz, Enrique M.

“…Kinetic adaptation of muscle and non-muscle myosins plays a central role in defining the unique cellular functions of these molecular motor enzymes. The…”
Get full text

Thermodynamics of Nucleotide Binding to Actomyosin V and VI:  A Positive Heat Capacity Change Accompanies Strong ADP Binding by Robblee, James P, Cao, Wenxiang, Henn, Arnon, Hannemann, Diane E, De La Cruz, Enrique M

“…We have measured the energetics of ATP and ADP binding to single-headed actomyosin V and VI from the temperature dependence of the rate and equilibrium binding…”
Get full text

The unique enzymatic and mechanistic properties of plant myosins by Henn, Arnon, Sadot, Einat

“…•Plant myosins have acquired unique and specific enzymatic adaptations and cellular functions.•Myosin VIII has been characterized as a slow actin-based…”
Get full text

Visualization of Unwinding Activity of Duplex RNA by DbpA, a DEAD Box Helicase, at Single-Molecule Resolution by Atomic Force Microscopy by Henn, Arnon, Medalia, Ohad, Shi, Shu-Ping, Steinberg, Michal, Franceschi, Francois, Sagi, Irit

“…The Escherichia coli protein DbpA is unique in its subclass of DEAD box RNA helicases, because it possesses ATPase-specific activity toward the peptidyl…”
Get full text

Interdependent Nutrient Availability and Steroid Hormone Signals Facilitate Root Growth Plasticity by Singh, Amar Pal, Fridman, Yulia, Holland, Neta, Ackerman-Lavert, Michal, Zananiri, Rani, Jaillais, Yvon, Henn, Arnon, Savaldi-Goldstein, Sigal

“…Plants acquire essential elements from inherently heterogeneous soils, in which phosphate and iron availabilities vary. Consequently, plants have developed…”
Get full text

Kinetic adaptation of human Myo19 for active mitochondrial transport to growing filopodia tips by Ušaj, Marko, Henn, Arnon

“…Myosins are actin-based molecular motors which are enzymatically adapted for their cellular functions such as transportation and membrane tethering. Human…”
Get full text

Communication between DNA and nucleotide binding sites facilitates stepping by the RecBCD helicase by Gaydar, Vera, Zananiri, Rani, Saied, Layla, Dvir, Or, Kaplan, Ariel, Henn, Arnon

“…Double-strand DNA breaks are the severest type of genomic damage, requiring rapid response to ensure survival. RecBCD helicase in prokaryotes initiates…”
Get full text

Nucleotides Linkage Analysis of RecBCD DNA Helicase by Gaydar, Vera, Henn, Arnon

Get full text

An i-motif-regulated enhancer, eRNA and adjacent lncRNA affect Lhb expression through distinct mechanisms in a sex-specific context by Refael, Tal, Sudman, Maya, Golan, Gil, Pnueli, Lilach, Naik, Sujay, Preger-Ben Noon, Ella, Henn, Arnon, Kaplan, Ariel, Melamed, Philippa

“…Genome-wide studies have demonstrated regulatory roles for diverse non-coding elements, but their precise and interrelated functions have often remained…”
Get full text

The RNA Helicase DbpA Exhibits a Markedly Different Conformation in the ADP-bound State When Compared with the ATP- or RNA-Bound States by Henn, Arnon, Shi, Shu-Ping, Zarivach, Raz, Ben-Zeev, Efrat, Sagi, Irit

“…The motor enzymes that belong to the family of RNA helicases catalyze the strand separation of duplex RNA via ATP hydrolysis. Among these enzymes, Escherichia…”
Get full text

Characterzing the Auxiliary Nucleotide Binding Sites in RecBCD DNA Helicase, Towards Deciphering their Functional Role by Venkata, Sivasubramanyan Mangapuram, Zananiri, Rani, Gaydar, Vera, Kleifeld, Oded, Kaplan, Ariel, Henn, Arnon

Get full text

Investigating the Role of the Auxiliary Nucleotide Binding Sites in the Recbcd DNA Helicase by Mangapuram Venkata, Sivasubramanyan, Zananiri, Rani, Gaydar, Vera, Kleifeld, Oded, Kaplan, Ariel, Henn, Arnon

Get full text