Results 61 to 70 of about 324,915 (330)

Primary and secondary siRNAs in geminivirus-induced gene silencing. [PDF]

PLoS Pathogens, 2012
In plants, RNA silencing-based antiviral defense is mediated by Dicer-like (DCL) proteins producing short interfering (si)RNAs. In Arabidopsis infected with the bipartite circular DNA geminivirus Cabbage leaf curl virus (CaLCuV), four distinct DCLs ...
Michael Aregger, Basanta K Borah, Jonathan Seguin, Rajendran Rajeswaran, Ekaterina G Gubaeva, Anna S Zvereva, David Windels, Franck Vazquez, Todd Blevins, Laurent Farinelli, Mikhail M Pooggin   +10 more
doaj   +1 more source

A DCL3 dicing code within Pol IV-RDR2 transcripts diversifies the siRNA pool guiding RNA-directed DNA methylation

eLife, 2022
In plants, selfish genetic elements, including retrotransposons and DNA viruses, are transcriptionally silenced by RNA-directed DNA methylation. Guiding the process are short interfering RNAs (siRNAs) cut by DICER-LIKE 3 (DCL3) from double-stranded ...
Andrew Loffer, Jasleen Singh, Akihito Fukudome, Vibhor Mishra, Feng Wang, Craig S Pikaard   +5 more
doaj   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

LIN28 Zinc Knuckle Domain Is Required and Sufficient to Induce let-7 Oligouridylation

Cell Reports, 2017
LIN28 is an RNA binding protein that plays crucial roles in pluripotency, glucose metabolism, tissue regeneration, and tumorigenesis. LIN28 binds to the let-7 primary and precursor microRNAs through bipartite recognition and induces degradation of let-7 ...
Longfei Wang, Yunsun Nam, Anna K. Lee, Chunxiao Yu, Kira Roth, Casandra Chen, Elizabeth M. Ransey, Piotr Sliz   +7 more
doaj   +1 more source

MapToCleave: High-throughput profiling of microRNA biogenesis in living cells

Cell Reports, 2021
Summary: Previous large-scale studies have uncovered many features that determine the processing of microRNA (miRNA) precursors; however, they have been conducted in vitro.
Wenjing Kang, Bastian Fromm, Anna J. Houben, Eirik Høye, Daniela Bezdan, Carme Arnan, Kim Thrane, Michaela Asp, Rory Johnson, Inna Biryukova, Marc R. Friedländer   +10 more
doaj   +1 more source

Investigating the cell of origin and novel molecular targets in Merkel cell carcinoma: a historic misnomer

Molecular Oncology, EarlyView.
This study indicates that Merkel cell carcinoma (MCC) does not originate from Merkel cells, and identifies gene, protein & cellular expression of immune‐linked and neuroendocrine markers in primary and metastatic Merkel cell carcinoma (MCC) tumor samples, linked to Merkel cell polyomavirus (MCPyV) status, with enrichment of B‐cell and other immune cell
Richie Jeremian, Sriraam Sivachandran, Melissa Galati, Brandon Ramchatesingh, Hibo Rijal, Johnny Hanna, Elena Netchiporouk, May Chergui, Margaret Redpath, Samy Abou Setah, Ivan V. Litvinov   +10 more
wiley   +1 more source

The mitochondrial methylation potential gates mitoribosome assembly

Nature Communications
S-adenosylmethionine (SAM) is the principal methyl donor in cells and is essential for mitochondrial gene expression, influencing RNA modifications, translation, and ribosome biogenesis.
Ruth I. C. Glasgow, Vivek Singh, Lucía Peña-Pérez, Alissa Wilhalm, Marco F. Moedas, David Moore, Florian A. Rosenberger, Xinping Li, Ilian Atanassov, Mira Saba, Miriam Cipullo, Joanna Rorbach, Anna Wedell, Christoph Freyer, Alexey Amunts, Anna Wredenberg   +15 more
doaj   +1 more source

Integrated genomic and proteomic profiling reveals insights into chemoradiation resistance in cervical cancer

Molecular Oncology, EarlyView.
A comprehensive genomic and proteomic analysis of cervical cancer revealed STK11 and STX3 as a potential biomarkers of chemoradiation resistance. Our study demonstrated EGFR as a therapeutic target, paving the way for precision strategies to overcome treatment failure and the DNA repair pathway as a critical mechanism of resistance.
Janani Sambath, Irene A. George, Srikanth S. Manda, Prasanth Ariyannur, Ekta R. Dhawale, Raja Sekhar Kommu, Rajan Datar, Darshana Patil, Vinita Trivedi, Manisha Singh, Kumar Prabhash, Sewanti Limaye, Richa Chauhan, Prashant Kumar   +13 more
wiley   +1 more source

On the Origin of Information Dynamics in Early Life

Life
We hypothesize that predictable variations in environmental conditions caused by night/day cycles created opportunities and hazards that initiated information dynamics central to life’s origin.
Robert A. Gatenby, Jill Gallaher, Hemachander Subramanian, Emma U. Hammarlund, Christopher J. Whelan   +4 more
doaj   +1 more source

Domestic chickens activate a piRNA defense against avian leukosis virus [PDF]

, 2017
PIWI-interacting RNAs (piRNAs) protect the germ line by targeting transposable elements (TEs) through the base-pair complementarity. We do not know how piRNAs co-evolve with TEs in chickens.
Anai, Aravin, Aravin, Aravin, Assis, Baluda, Bao, Bartel, Benkel, Bolisetty, Boyce-Jacino, Boyce-Jacino, Brawand, Brennecke, Carmell, Cenik, Cenik, Chen, Chirn, Crittenden, Dempster, Eickbush, Eriksson, Fadly, Fagegaltier, Farazi, Feschotte, Flemr, Frisby, Frost, Gao, Ghildiyal, Gifford, Goic, Gunawardane, Guo, Haas, Han, Hayward, Houwing, Houwing, Ingolia, Ingolia, International Chicken Genome Sequencing Consortium, Johnson, Jurka, Ka, Ka, Khurana, Kim, Kohany, Kojima, Kuhnlein, Kumar, Kumar, Kuramochi-Miyagawa, Kuramochi-Miyagawa, Lee, Levin, Lewinski, Li, Li, Li, Lim, Lin, Lu, Malik, Malone, McClintock, Meunier, Moore, Nawrocki, Necsulea, Oh, Paradis, Peirson, Pelechano, Reuter, Reuter, Ricci, Roberts, Robinson, Rosenkranz, Rutherford, Sacco, Saxe, Schlötterer, Shoji, Smit, Smith, Smith, Smith, Smith, Soper, Stehelin, Steitz, Stoye, Sumiyoshi, Tam, Tanaka, Tarlinton, Team, Temin, Tereba, Thompson, Thomson, Trapnell, Trapnell, Vandergon, Varmus, Wang, Wang, Watanabe, Weiss, Weiss, Weiss, West, Wichert, Wicker, Wilson, Yabuta, Zhang, Zhang, Zheng, Zhuang   +124 more
core   +2 more sources