Results 61 to 70 of about 670,950 (297)

Laporan Pertama di Sulawesi Selatan: Karakter Morfologi dan Molekuler Nematoda Puru Akar yang Berasosiasi dengan Akar Padi di Kabupaten Wajo, Sulawesi Selatan

open access: yesJurnal Perlindungan Tanaman Indonesia, 2018
Root Knot Nematode (RKN) is one of the most important cosmopolite parasitic nematode species. Reports on RKN associated with rice root in Indonesia are still limited in West Java and Yogyakarta.
Hishar Mirsam, Fitrianingrum Kurniawati
doaj   +1 more source

Ribose 5-phosphate: the key metabolite bridging the metabolisms of nucleotides and amino acids during stringent response in Escherichia coli?

open access: yesMicrobial Cell, 2023
The bacterial stringent response and its effector alarmone guanosine penta- or tetra – phosphates (p)ppGpp are vital for bacterial tolerance and survival of various stresses in environments (including antibiotics) and host cells (viru-lence).
Paulina Katarzyna Grucela   +4 more
doaj   +1 more source

Spot‐14 and its paralog Spot‐14R regulate expression of metabolic and thermogenic pathway genes in murine brown and beige adipocytes

open access: yesFEBS Letters, EarlyView.
Spot‐14 and Spot‐14R play distinct roles in regulating metabolism in brown and beige adipocytes. While both influence lipid and glucose pathways, Spot‐14 uniquely controls thermogenic gene expression. This dual regulation balances energy storage and heat production, highlighting potential therapeutic targets for obesity and metabolic disorders. Spot 14
Lidia Itzel Castro‐Rodríguez   +3 more
wiley   +1 more source

Single-nucleotide resolution mapping of m6A and m6Am throughout the transcriptome

open access: yesNature Methods, 2015
N6-methyladenosine (m6A) is the most abundant modified base in eukaryotic mRNA and has been linked to diverse effects on mRNA fate. Current mapping approaches localize m6A residues to transcript regions 100–200 nt long but cannot identify precise m6A ...
Bastian Linder   +5 more
semanticscholar   +1 more source

A cellular system to study responses to a collision between the transcription complex and a protein‐bound nick in the DNA template

open access: yesFEBS Letters, EarlyView.
We present the cellular transcription‐coupled Flp‐nick system allowing the introduction of a Top1‐mimicking cleavage complex (Flpcc) at a Flp recognition target site within a controllable LacZ gene. LacZ transcription leads to the collision of RNA polymerase II (RNAPII) with Flpcc, and this causes RNAPII stalling, ubiquitination, and degradation.
Petra Herring   +6 more
wiley   +1 more source

Effective and repeatable chromatographic separation of 5 nucleotides in infant formula milk powder by ion-pair high-performance liquid chromatography–ultraviolet

open access: yesJournal of Dairy Science, 2022
: A robust method using HPLC-UV was developed to improve the accuracy and repeatability of a quantitative method to detect 5 nucleotides (cytidine-monophosphate, uridine monophosphate, adenosine monophosphate, guanine monophosphate, and inosine ...
Yuanjia Chen   +4 more
doaj  

Prebiotic Chemistry: The Role of Trimetaphosphate in Prebiotic Chemical Evolution

open access: yesFrontiers in Chemistry, 2022
Life’s origins have always been a scientific puzzle. Understanding the production of biomolecules is crucial for understanding the evolution of life on Earth.
Dingwei Gan   +6 more
doaj   +1 more source

STAT3 expression is reduced in cardiac pericytes in HFpEF and its loss reduces cellular adhesion and induces pericyte senescence

open access: yesFEBS Letters, EarlyView.
Heart failure with preserved ejection fraction (HFpEF) accounts for half of the heart failure cases. It is characterised by microvascular dysfunction, associated with reduced pericyte coverage and diminished STAT3 expression in pericytes. Loss of STAT3 impairs pericyte adhesion, promotes senescence, and activates a pro‐fibrotic gene program.
Leah Rebecca Vanicek   +15 more
wiley   +1 more source

A codon-based model of nucleotide substitution for protein-coding DNA sequences.

open access: yesMolecular biology and evolution, 1994
A codon-based model for the evolution of protein-coding DNA sequences is presented for use in phylogenetic estimation. A Markov process is used to describe substitutions between codons.
N. Goldman, Ziheng Yang
semanticscholar   +1 more source

Beta-hydroxyphosphonate ribonucleoside analogues derived from 4-substituted-1,2,3-triazoles as IMP/GMP mimics: synthesis and biological evaluation

open access: yesBeilstein Journal of Organic Chemistry, 2016
A series of seventeen β-hydroxyphosphonate ribonucleoside analogues containing 4-substituted-1,2,3-triazoles was synthesized and fully characterized. Such compounds were designed as potential inhibitors of the cytosolic 5’-nucleotidase II (cN-II), an ...
Tai Nguyen Van   +7 more
doaj   +1 more source

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