Results 81 to 90 of about 1,671,144 (278)

The newfound relationship between extrachromosomal DNAs and excised signal circles

FEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Comparação entre procedimentos de amostragem para espécies florestais raras e padrão de distribuição espacial agregado Comparison between sampling procedures for rare forest species and aggregated spatial distribution pattern

Revista Árvore, 2009
O objetivo deste trabalho foi comparar procedimentos de amostragem para espécies florestais com populações raras e padrão de distribuição espacial agregado.
Carlos Pedro Boechat Soares, Christian Marques Rodello, Agostinho Lopes de Souza, Helio Garcia Leite, Vicente Paulo Soares, Gilson Fernandes da Silva   +5 more
doaj   +1 more source

S-OHEM: Stratified Online Hard Example Mining for Object Detection

, 2017
One of the major challenges in object detection is to propose detectors with highly accurate localization of objects. The online sampling of high-loss region proposals (hard examples) uses the multitask loss with equal weight settings across all loss ...
H He, J Duchi, K He, M Everingham, M Li, N Srivastava, PF Felzenszwalb   +6 more
core   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

Systematic Sampling of the Female Reproductive System for Molecular Characterization. [PDF]

Curr Protoc, 2023
Fisher SA, Grijalva M, Guo R, Johnston SA, Laurent LC, Nguyen H, Renz J, Rosario JG, Rudich S, Gregory BD, Kim J, O'Neill K.   +11 more
europepmc   +1 more source

Systematic sampling with errors in sample locations [PDF]

, 2017
Systematic sampling of points in continuous space is widely used in microscopy and spatial surveys. Classical theory provides asymptotic expressions for the variance of estimators based on systematic sampling as the grid spacing decreases.
Baddeley, Adrian, Dorph-Petersen, Karl-Anton, Jensen, Eva B. Vedel, Ziegel, Johanna   +3 more
core  

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Application of Balanced Acceptance Sampling to an Intertidal Survey

Journal of Landscape Ecology, 2017
In ecological studies, the population of interest is often spread over a large area. In these studies, obtaining a sample with good spatial coverage is an important feature in the design of a survey.
Abi Naeimeh, Moradi Mohammad, Salehi Mohammad, Brown Jennifer, Al-Khayat Jassim A., Moltchanova Elena   +5 more
doaj   +1 more source

Generating ICS Anomaly Data Reflecting Cyber-Attack Based on Systematic Sampling and Linear Regression. [PDF]

Sensors (Basel), 2023
Lee JH, Ji IH, Jeon SH, Seo JT.
europepmc   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

FEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva, Puspa Kunwar, Md Ibnul Rifat Rahman, Joanna Koryo Kwao, Nathan Lehman, Zihan Zhang, Trenton Paul, Claire Cheng, Nicholas Truex, Hui‐Ting Lee, Jun Zhang   +10 more
wiley   +1 more source