Results 71 to 80 of about 8,539,258 (300)

Mycobacterial RNA isolation optimized for non-coding RNA: high fidelity isolation of 5S rRNA from Mycobacterium bovis BCG reveals novel post-transcriptional processing and a complete spectrum of modified ribonucleosides [PDF]

Nucleic Acids Research, 2014
A major challenge in the study of mycobacterial RNA biology is the lack of a comprehensive RNA isolation method that overcomes the unusual cell wall to faithfully yield the full spectrum of non-coding RNA (ncRNA) species. Here, we describe a simple and robust procedure optimized for the isolation of total ncRNA, including 5S, 16S and 23S ribosomal RNA (
Hia, Fabian, Chionh, Yok Hian, Pang, Yan Ling Joy, DeMott, Michael S., McBee, Megan E., Dedon, Peter C.   +5 more
openaire   +4 more sources

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

FEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas, Shahoon Khan, Abhishek Sharma, Byoungchun Lee, Savraj S. Grewal   +4 more
wiley   +1 more source

Epigenetic reprogramming of lineage switching in cancer

FEBS Letters, EarlyView.
Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı, Burcu Akman, Ezgi Bağırsakçı, Nese Atabey, Serap Erkek‐Ozhan   +4 more
wiley   +1 more source

Diverging affinity of tospovirus RNA silencing suppressor proteins, NSs, for various RNA duplex molecules [PDF]

, 2010
The tospovirus NSs protein was previously shown to suppress the antiviral RNA silencing mechanism in plants. Here the biochemical analysis of NSs proteins from different tospoviruses, using purified NSs or NSs containing cell extracts, is described.
Kormelink, R.J.M., Rik Huismann, Esther Schnettler, Rob Goldbach, Goldbach, R., Marcel Prins, Goldbach, R.W., Kormelink, R., Hemmes, H., Prins, M., Huismann, R., Hans Hemmes, Huisman, R., Hemmes, J.C., Schnettler, E., Richard Kormelink, Prins, M.W.   +16 more
core   +1 more source

Dynamic landscape of m6A modifications and related post-transcriptional events in muscle-invasive bladder cancer

Journal of Translational Medicine
Background Muscle-invasive bladder carcinoma (MIBC) is a serious and more advanced stage of bladder carcinoma. N6-Methyladenosine (m6A) is a dynamic and reversible modifications that primarily affects RNA stability and alternative splicing.
Lili Zhang, Ziwei Chen, Gaoyuan Sun, Chang Li, Pengjie Wu, Wenrui Xu, Hui Zhu, Zaifeng Zhang, Yongbin Tang, Yayu Li, Yifei Li, Siyuan Xu, Hexin Li, Meng Chen, Fei Xiao, Yaqun Zhang, Wei Zhang   +16 more
doaj   +1 more source

Usb1 controls U6 snRNP assembly through evolutionarily divergent cyclic phosphodiesterase activities

Nature Communications, 2017
The mechanism of U6 small nuclear ribonucleoprotein (snRNP) biogenesis is not well understood. Here the authors characterize the enzymatic activities and structures of yeast and human U6 RNA processing enzyme Usb1, reconstitute post-transcriptional ...
Allison L. Didychuk, Eric J. Montemayor, Tucker J. Carrocci, Andrew T. DeLaitsch, Stefani E. Lucarelli, William M. Westler, David A. Brow, Aaron A. Hoskins, Samuel E. Butcher   +8 more
doaj   +1 more source

Using the cre-lox recombination system to assess functional impairment caused by amino acid substitutions in yeast proteins

Biological Procedures Online, 2004
A method was developed to assess the functional significance of a sequence motif in yeast Upf3p, a protein required for nonsense-mediated mRNA decay (NMD).
Shirley Renee L., Richards M. Rachel, Culbertson Michael R.   +2 more
doaj   +1 more source

Mitochondrial atp9 genes from petaloid male-sterile and male-fertile carrots differ in their status of heteroplasmy, recombination involvement, post-transcriptional processing as well as accumulation of RNA and protein product [PDF]

Theoretical and Applied Genetics, 2014
Petaloid cytoplasmic male-sterile carrots exhibit overexpression of the mitochondrial atp9 genes which is associated with specific features in organization and expression of these sequences. In carrots, the Sp-cytoplasm causes transformation of stamens into petal-like organs, while plants carrying normal N-cytoplasm exhibit normal flower morphology ...
Marek Szklarczyk, Mateusz Szymański, Magdalena Wójcik-Jagła, Philipp Simon, Andreas Weihe, Thomas Börner   +5 more
openaire   +3 more sources

Partial depletion of plasminogen activator inhibitor‐1 decreases subcutaneous fat cell hypertrophy and liver cholesterol in high‐fat‐fed female mice

FEBS Letters, EarlyView.
Obesity raises blood levels of PAI‐1, a protein linked to metabolic dysfunction‐associated steatotic liver disease in people with obesity. In female mice fed a high‐fat diet, partially lowering PAI‐1 led to smaller subcutaneous fat cells and lower liver cholesterol, without changing body weight or insulin sensitivity.
Claudia E. Ramirez Bustamante, Robert Sharp, Pradip K. Saha, Elizabeth S. Anaya, Elizabeth L. Lieu, Evelyn L. de Groot, Pooja Patel, Mi Jeong Heo, Aaron R. Cox, Kang Ho Kim, Sean M. Hartig   +10 more
wiley   +1 more source

Real-time transcriptional profiling of cellular and viral gene expression during lytic cytomegalovirus infection. [PDF]

, 2012
During viral infections cellular gene expression is subject to rapid alterations induced by both viral and antiviral mechanisms. In this study, we applied metabolic labeling of newly transcribed RNA with 4-thiouridine (4sU-tagging) to dissect the real ...
Lisa Marcinowski, Martina Rieder, Caroline C. Friedel (7812728), Marcinowski, Lisa, Lars Dölken, de Graaf, Miranda, Thomas Bonfert, Caroline C. Friedel (29226), Lars Dölken (138985), Györy, Ildiko, Caroline C Friedel, Philip Rosenstiel (68103), Jens B Bosse, Ruzsics, Zsolt, Ralf Zimmer, Bosse, Jens B., Lukas Windhager, Rosenstiel, Philip, Zsolt Ruzsics (75383), Jens B. Bosse (7812725), Zimmer, Ralf, Thomas Bonfert (138970), Rieder, Martina, Lisa Marcinowski (138962), Jens B. Bosse (138966), Friedel, Caroline C., Ildiko Györy (138972), Michael Lidschreiber, Ildiko Györy, Bernd Rädle (138968), Zsolt Ruzsics, Ralf Zimmer (21157), Windhager, Lukas, Miranda de Graaf, Philip Rosenstiel, Michael Lidschreiber (138963), Dölken, Lars, Olivia Prazeres da Costa, Prazeres da Costa, Olivia, Olivia Prazeres da Costa (138979), Bernd Rädle, Lukas Windhager (138964), Lidschreiber, Michael, Miranda de Graaf (138976), Bonfert, Thomas, Rädle, Bernd, Martina Rieder (138965)   +46 more
core   +1 more source