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1699 Publications visible to you, out of a total of 1699
Off-the-shelf Semantic Author Name Disambiguation for Bibliographic Data Bases

Abstract

Not specified

Authors: Mark-Christoph Müller, Adam Bannister, Florian Reitz

Date Published: 9th Sep 2019

Publication Type: InProceedings

Emergence of Hierarchical Modularity in Evolving Networks Uncovered by Phylogenomic Analysis.

Abstract (Expand)

Networks describe how parts associate with each other to form integrated systems which often have modular and hierarchical structure. In biology, network growth involves two processes, one that unifies … and the other that diversifies. Here, we propose a biphasic (bow-tie) theory of module emergence. In the first phase, parts are at first weakly linked and associate variously. As they diversify, they compete with each other and are often selected for performance. The emerging interactions constrain their structure and associations. This causes parts to self-organize into modules with tight linkage. In the second phase, variants of the modules diversify and become new parts for a new generative cycle of higher level organization. The paradigm predicts the rise of hierarchical modularity in evolving networks at different timescales and complexity levels. Remarkably, phylogenomic analyses uncover this emergence in the rewiring of metabolomic and transcriptome-informed metabolic networks, the nanosecond dynamics of proteins, and evolving networks of metabolism, elementary functionomes, and protein domain organization.

Authors: Gustavo Caetano-Anollés, M Fayez Aziz, Fizza Mughal, Frauke Gräter, Ibrahim Koç, Kelsey Caetano-Anollés, Derek Caetano-Anollés

Date Published: 5th Sep 2019

Publication Type: Journal

Modeling Structural Constraints on Protein Evolution via Side-Chain Conformational States

Abstract (Expand)

Few models of sequence evolution incorporate parameters describing protein structure, despite its high conservation, essential functional role and increasing availability. We present a structurally … a structurally aware empirical substitution model for amino acid sequence evolution in which proteins are expressed using an expanded alphabet that relays both amino acid identity and structural information. Each character specifies an amino acid as well as information about the rotamer configuration of its side-chain: the discrete geometric pattern of permitted side-chain atomic positions, as defined by the dihedral angles between covalently linked atoms. By assigning rotamer states in 251,194 protein structures and identifying 4,508,390 substitutions between closely related sequences, we generate a 55-state “Dayhoff-like” model that shows that the evolutionary properties of amino acids depend strongly upon side-chain geometry. The model performs as well as or better than traditional 20-state models for divergence time estimation, tree inference, and ancestral state reconstruction. We conclude that not only is rotamer configuration a valuable source of information for phylogenetic studies, but that modeling the concomitant evolution of sequence and structure may have important implications for understanding protein folding and function.

Authors: Umberto Perron, Alexey M Kozlov, Alexandros Stamatakis, Nick Goldman, Iain H Moal

Date Published: 1st Sep 2019

Publication Type: Journal

Differing Membrane Interactions of Two Highly Similar Drug-Metabolizing Cytochrome P450 Isoforms: CYP 2C9 and CYP 2C19

Abstract

Not specified

Authors: Ghulam Mustafa, Prajwal P. Nandekar, Neil J. Bruce, Rebecca C. Wade

Date Published: 1st Sep 2019

Publication Type: Journal

Hits and Lead Discovery in the Identification of New Drugs against the Trypanosomatidic Infections

Abstract

Not specified

Authors: Theodora Calogeropoulou, George E. Magoulas, Ina Pöhner, Joanna Panecka-Hofman, Pasquale Linciano, Stefania Ferrari, Nuno Santarem, M. Dolores Jiménez-Antón, Ana Isabel Olías-Molero, José María Alunda, Anabela Cordeiro da Silva, Rebecca C. Wade, Maria Paola Costi

Date Published: 29th Aug 2019

Publication Type: InCollection

Quartet-Based Computations of Internode Certainty Provide Robust Measures of Phylogenetic Incongruence

Abstract

Not specified

Authors: Xiaofan Zhou, Sarah Lutteropp, Lucas Czech, Alexandros Stamatakis, Moritz Von Looz, Antonis Rokas

Date Published: 29th Aug 2019

Publication Type: Journal

12 Grand Challenges in Single-Cell Data Science

Abstract (Expand)

The recent upswing of microfluidics and combinatorial indexing strategies, further enhanced by very low sequencing costs, have turned single cell sequencing into an empowering technology; analyzing …zing thousands—or even millions—of cells per experimental run is becoming a routine assignment in laboratories worldwide. As a consequence, we are witnessing a data revolution in single cell biology. Although some issues are similar in spirit to those experienced in bulk sequencing, many of the emerging data science problems are unique to single cell analysis; together, they give rise to the new realm of 'Single-Cell Data Science'. Here, we outline twelve challenges that will be central in bringing this new field forward. For each challenge, the current state of the art in terms of prior work is reviewed, and open problems are formulated, with an emphasis on the research goals that motivate them. This compendium is meant to serve as a guideline for established researchers, newcomers and students alike, highlighting interesting and rewarding problems in 'Single-Cell Data Science' for the coming years.

Authors: David Laehnemann, Johannes Köster, Ewa Szczurek, Davis J McCarthy, Stephanie C Hicks, Mark D Robinson, Catalina A Vallejos, Niko Beerenwinkel, Kieran R Campbell, Ahmed Mahfouz, Luca Pinello, Pavel Skums, Alexandros Stamatakis, Camille Stephan-Otto Attolini, Samuel Aparicio, Jasmijn Baaijens, Marleen Balvert, Buys de Barbanson, Antonio Cappuccio, Giacomo Corleone, Bas E Dutilh, Maria Florescu, Victor Guryev, Rens Holmer, Katharina Jahn, Thamar Jessurun Lobo, Emma M Keizer, Indu Khatri, Szymon M Kiełbasa, Jan O Korbel, Alexey M Kozlov, Tzu-Hao Kuo, Boudewijn PF Lelieveldt, Ion I Mandoiu, John C Marioni, Tobias Marschall, Felix Mölder, Amir Niknejad, Łukasz Rączkowski, Marcel Reinders, Jeroen de Ridder, Antoine-Emmanuel Saliba, Antonios Somarakis, Oliver Stegle, Fabian J Theis, Huan Yang, Alex Zelikovsky, Alice C McHardy, Benjamin J Raphael, Sohrab P Shah, Alexander Schönhuth

Date Published: 23rd Aug 2019

Publication Type: Journal

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