Publications by authors named "Yotam David"

Genome-wide collections of yeast strains, known as libraries, revolutionized the way systematic studies are carried out. Specifically, libraries that involve a cellular perturbation, such as the deletion collection, have facilitated key biological discoveries. However, short-term rewiring and long-term accumulation of suppressor mutations often obscure the functional consequences of such perturbations.

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Actively maintained close appositions between organelle membranes, also known as contact sites, enable the efficient transfer of biomolecules between cellular compartments. Several such sites have been described as well as their tethering machineries. Despite these advances we are still far from a comprehensive understanding of the function and regulation of most contact sites.

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Peroxisomes host essential metabolic enzymes and are crucial for human health and survival. Although peroxisomes were first described over 60 years ago, their entire proteome has not yet been identified. As a basis for understanding the variety of peroxisomal functions, we used a high-throughput screen to discover peroxisomal proteins in yeast.

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Contact sites are areas of close apposition between two membranes that coordinate nonvesicular communication between organelles. Such interactions serve a wide range of cellular functions from regulating metabolic pathways to executing stress responses and coordinating organelle inheritance. The past decade has seen a dramatic increase in information on certain contact sites, mostly those involving the endoplasmic reticulum.

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Purpose: While sarcopenia has prognostic value in elective colorectal surgery for predicting peri-operative morbidity and mortality, its role in elective laparoscopic surgery is poorly defined.

Methods: A retrospective single-center analysis of patients undergoing elective laparoscopic right hemicolectomy for adenocarcinoma between January 2010 and December 2016. Univariate analysis compared the robustness of total psoas index (TPI) with Hounsfield unit average calculation (HUAC) calculated from pre-operative CT imaging in predicting post-operative complications.

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