Results 81 to 90 of about 344,696 (268)

A Problem with STEM [PDF]

open access: yesCBE—Life Sciences Education, 2013
Everyone loves STEM, the acronym for science, technology, engineering, and mathematics, that sits in every call to improve U.S. competitiveness. But hidden within “science” are many different ways of thinking and acting, and unless we protect them separately, the whole scientific enterprise may be at risk.
openaire   +3 more sources

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Descripción anatómica vegetativa de dos especies de Nymphoides (Menyanthaceae) Vegetative anatomy of two Nymphoides species (Menyanthaceae)

open access: yesRevista Mexicana de Biodiversidad, 2006
En México crecen dos especies de Nymphoides, N. indica y N. fallax. El conocimiento de la anatomía del género es incompleto y N. fallax no se ha tratado.
Mahinda Martínez   +1 more
doaj  

Efeito do ataque de Alabama argillacea no crescimento vegetativo e sua relação com a fenologia do algodoeiro Effect of Alabama argillacea attack on vegetative growth and its relationship with cotton phenology

open access: yesPesquisa Agropecuária Brasileira, 2001
O objetivo deste trabalho foi estudar o efeito do ataque do curuquerê (Alabama argillacea Hübner, 1818), no desenvolvimento vegetativo do algodoeiro e sua relação com a fenologia da planta.
Ednaldo da Silva Quirino   +1 more
doaj   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

RNA‐related functions of BRCA2 in transcription, replication, and genome stability

open access: yesFEBS Letters, EarlyView.
Beyond its role in homologous recombination, BRCA2 regulates R‐loop homeostasis, DNA–RNA hybrid resolution, RNA polymerase II dynamics, and transcriptional activation. Disruption of any of these functions can contribute to genome instability, inflammatory signaling, and tumorigenesis. BRCA2 is a central tumor suppressor protein best known for its roles
Lucia Alvaro‐Aranda   +2 more
wiley   +1 more source

Timescales distribution and reactive structures in MILD reactors for different energy carriers

open access: yesResults in Engineering
Moderate or Intense Low-oxygen Dilution (MILD) combustion processes are purported to be fuel-flexible, thus offering a real opportunity to use a large palette of fuels.
Giovanni Battista Ariemma   +5 more
doaj   +1 more source

Metastatic niche shaped by host factors influences disseminated cancer cell fate

open access: yesFEBS Letters, EarlyView.
Metastasis is shaped not only by cancer cells but also by the environments they encounter. This review explores how factors such as aging, diet, the microbiome, lifestyle, and environmental exposures remodel organ‐specific niches in the lung, liver, bone, and brain, influencing where metastatic cells survive, remain dormant, or grow, and ultimately ...
Gwennan Delyth Ward   +2 more
wiley   +1 more source

A Hybrid Energy System Based on Externally Fired Micro Gas Turbines, Waste Heat Recovery and Gasification Systems: An Energetic and Exergetic Performance Analysis

open access: yesEnergies
The opportunities related to the adoption of synthetic gaseous fuels derived from solid biomass are limited by the issues caused by the peculiarities of the syngas. The aim of this paper is to analyze several possible layouts of hybrid energy systems, in
Fabrizio Reale, Patrizio Massoli
doaj   +1 more source

Neutralization of the PTX3/CD44 axis suppresses TGF‐β1 signaling in kidney fibrosis

open access: yesFEBS Letters, EarlyView.
This study investigates how the PTX3/CD44 axis promotes kidney fibrosis by activating TGF‐β1 signaling. We demonstrate that the neutralizing antibody WHC‐001 effectively inhibits this pathway, suppressing myofibroblast activation and partial epithelial–mesenchymal transition (EMT).
Chao‐Chun Cheng   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy