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open access

Computational Identification of Amino-Acid Mutations That Further Improve the Activity of a Chalcone-Flavonone Isomerase From Glycine Max

Description: This article discusses a computational approach that combines multiple sequence alignment, positive selection detection, and molecular docking to identify and design beneficial amino-acid mutations that further improve the intramolecular-cyclization activity of a chalcone-flavonone isomerase from Glycine max (GmCHI).
Date: February 24, 2017
Creator: Yuan, Hui; Wu, Jiaqi; Wang, Xiaoqiang; Chen, Jiakuan; Zhong, Yang; Huang, Qiang et al.
open access

Delta-Flux: An Eddy Covariance Network for a Climate-Smart Lower Mississippi Basin

Description: This article describes the rationale to create the new Delta-Flux network, which will coordinate efforts to quantify carbon and water budgets at seventeen eddy covariance flux tower sites in the Lower Mississippi River Basin.
Date: February 23, 2017
Creator: Runkle, Benjamin R. K.; Rigby, James R.; Reba, Michele L.; Anapalli, Saseendran S.; Bhattacharjee, Joydeep; Krauss, Ken W. et al.
open access

Transgenic Switchgrass (Panicum Virgatum L.) Targeted for Reduced Recalcitrance to Bioconversion: A 2-Year Comparative Analysis of Field-Grown Lines Modified for Target Gene or Genetic Element Expression

Description: This article discusses the investigation of clones of plants representing independent transgenic events and their respective nontransgenic control lines for biomass yield, carbohydrate composition and recalcitrance to bioconversion via separate hydrolysis and fermentation to yield ethanol.
Date: February 20, 2017
Creator: Dumitrache, Alexandru; Natzke, Jace; Rodriguez, Miguel, Jr.; Yee, Kelsey L.; Thompson, Olivia A.; Poovaiah, Charleson R. et al.
open access

Phylogenetic analysis of eukaryotic NEET proteins uncovers a link between a key gene duplication event and the evolution of vertebrates

Description: This article describes the use of three members of the human NEET protein family (CISD1, mitoNEET; CISD2, NAF-1 or Miner 1; and CISD3, Miner2) as guides to conduct a phylogenetic analysis of eukaryotic NEET proteins and their evolution.
Date: February 16, 2017
Creator: Inupakutika, Madhuri A.; Sengupta, Soham; Nechushtai, Rachel; Jennings, Patricia A.; Onuchic, José N.; Azad, Rajeev K. et al.
open access

A new, faint population of X-ray transients

Description: This article reports on the detection of a remarkable new fast high-energy transient found in the Chandra Deep Field-South, robustly associated with a faint host in the CANDELS survey.
Date: February 15, 2017
Creator: Bauer, Franz E.; Treister, Ezequiel; Schawinski, K.; Schulze, S.; Luo, Bin; Alexander, David M. et al.

Physical activity counseling in primary care: Insights from public health and behavioral economics

Description: This article evaluates pertinent literature from the fields of medicine/public health and economics/psychology to suggest a comprehensive approach to physical activity counseling at the primary care level.
Date: February 15, 2017
Creator: Shuval, Kerem; Leonard, Tammy; Drope, Jeffrey; Katz, David L.; Patel, Alpa V.; Maitin-Shepard, Melissa et al.
open access

Evidence for the Involvement of Electrical, Calcium and ROS Signaling in the Systemic Regulation of Non-Photochemical Quenching and Photosynthesis

Description: Article presents study in which pulse amplitude-modulated Chl fluorescence imaging and surface electrical potential measurements accompanied by pharmacological treatments were employed to study stimuli-induced electrical signals in leaves from a broad range of plant species and in Arabidopsis thaliana mutants.
Date: February 10, 2017
Creator: Białasek, Maciej; Górecka, Magdalena; Mittler, Ron & Karpiński, Stanisław
open access

Spatial and Temporal Mapping of Key Lipid Species in Brassica napus Seeds

Description: This article describes the use of matrix-assisted laser/desorption ionization-mass spectrometry imaging (MALDI-MSI) to study the spatial distribution of two major lipid species, triacylglycerols and phosphatidylcholines.
Date: February 10, 2017
Creator: Woodfield, Helen K.; Sturtevant, Drew; Borisjuk, Ljudmilla; Munz, Eberhard; Guschina, Irina A.; Chapman, Kent D. et al.

Commentary on "Effect of β-alanine and the solvent composition on the solubility of solvate of calcium D-pantothenate containing four molecules of methanol and one molecule of water (D-PC·4MeOH·1H₂O)"

Description: This article points out problems associated with two of the mathematical treatments used by authors Han et al. (2017) for the solubility behavior of calcium D-panthenate solvate as the mole fraction concentration β-alanine approaches zero.
Date: February 7, 2017
Creator: Acree, William E. (William Eugene)
open access

Lophozonia tree cavities used for nesting by Slender-billed Parakeets (Enicognathus leptorhynchus) in the central valley of southern Chile: a potentially vanishing keystone resource

Description: This article describes and quantifies characteristics of southern beech (Lophoonia obliqua) trees and their associated cavities used for nesting by Slender-billed Parakeets in the central valley of southern Chile.
Date: February 6, 2017
Creator: White, Thomas H., Jr. & Jiménez, Jaime E.
open access

A Dual-Modality System for Both Multi-Color Ultrasound-Switchable Fluorescence and Ultrasound Imaging

Description: This article discusses the development of a dual-modality imaging system by combining recently developed ultrasound-switchable fluorescence (USF) imaging technology with the conventional ultrasound (US) B-mode imaging.
Date: February 4, 2017
Creator: Kandukuri, Jayanth; Yu, Shuai; Cheng, Bingbing; Bandi, Venugopal; D'Souza, Francis; Nguyen, Kytai T. et al.
open access

ALMA Observations Show Major Mergers Among the Host Galaxies of Fast-growing, High-redshift, Supermassive Black Holes

Description: This article presents new ALMA band-7 data for a sample of six luminous quasars at z ≃ 4.8, powered by fast-growing supermassive black holes (SMBHs) with rather uniform properties.
Date: February 3, 2017
Creator: Trakhtenbrot, Benny; Lira, Paulina; Netzer, Hagai; Cicone, Claudia; Maiolino, Roberto & Shemmer, Ohad
open access

Wnt signaling in triple-negative breast cancer

Description: This review summarizes the involvement of dysregulated Wnt signaling in the progression of triple-negative breast cancer (TNBC) and TNBC stem cells, as well as the emerging therapies that are currently under investigation.
Date: January 24, 2017
Creator: Pohl, Sebastian Öther-Gee; Brook, N; Agostino, M.; Arfuso, Frank & Kumar, Alan Prem
open access

A chemical genetic screen uncovers a small molecule enhancer of the N-acylethanolamine degrading enzyme, fatty acid amide hydrolase, in Arabidopsis

Description: This article demonstrates the feasibility of using an unbiased chemical genetic approach to identify new pharmacological tools for manipulating FAAH- and NAE-mediated physiological processes in plants.
Date: January 23, 2017
Creator: Khan, Bibi Rafeiza; Faure, Lionel; Chapman, Kent D. & Blancaflor, Elison B.
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