Results 71 to 80 of about 96,298 (249)

Karyotyping and in situ chromosomal localization of rDNA sites in black cumin Bunium persicum (Boiss) B. Fedtsch,1915 (Apiaceae)

open access: yesComparative Cytogenetics, 2011
The fluorescent in situ hybridization (FISH) technique has been applied to somatic chromosomes in the medicinally important species, Bunium persicum, to elucidate its karyotypes.
R. K. Chahota   +4 more
doaj   +1 more source

Nuclear RNA Surveillance in \u3cem\u3eSaccharomyces cerevisiae\u3c/em\u3e: Trf4p-dependent Polyadenylation of Nascent Hypomethylated tRNA and an Aberrant Form of 5S rRNA [PDF]

open access: yes, 2006
1-Methyladenosine modification at position 58 of tRNA is catalyzed by a two-subunit methyltransferase composed of Trm6p and Trm61p in Saccharomyces cerevisiae.
Anderson, James T.   +2 more
core   +1 more source

Broad role for YBX1 in defining the small noncoding RNA composition of exosomes. [PDF]

open access: yes, 2017
RNA is secreted from cells enclosed within extracellular vesicles (EVs). Defining the RNA composition of EVs is challenging due to their coisolation with contaminants, lack of knowledge of the mechanisms of RNA sorting into EVs, and limitations of ...
Lambowitz, Alan M   +6 more
core   +1 more source

Chromosome‐Scale Haplotype Genome Assemblies for the Australian Mango ‘Kensington Pride’ and a Wild Relative, Mangifera laurina, Provide Insights Into Anthracnose‐Resistance and Volatile Compound Biosynthesis Genes

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Mango (Mangifera indica) is one of the most popular fruits cultivated in tropical and subtropical regions of the world. The availability of reference genomes helps to identify the genetic basis of important traits. Here, we report assembled high‐quality chromosome‐level genomes for the Australian mango cultivar ‘Kensington Pride’ and M ...
Upendra Kumari Wijesundara   +5 more
wiley   +1 more source

Molecular Mechanism of DNA Topoisomerase I-Dependent rDNA Silencing: Sir2p Recruitment at Ribosomal Genes [PDF]

open access: yes, 2016
Saccharomyces cerevisiae sir2Δ or top1Δ mutants exhibit similar phenotypes involving ribosomal DNA, including (i) loss of transcriptional silencing, resulting in non-coding RNA hyperproduction from cryptic RNA polymerase II promoters; (ii) alterations ...
Bjornsti, Mary Ann   +6 more
core   +1 more source

Fully Tunable Phosphorylation of RPS6A Ensures the Successful Development of Arabidopsis Seedlings

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Light enhances protein translation, enabling young seedlings to rapidly and timely acquire photosynthetic capacities. Sequential phosphorylation of ribosomal protein S6 (RPS6) was implicated in the light‐enhanced translation; however, the exact phosphorylation sites and the biological relevance of RPS6 multi‐phosphorylation in seedling ...
Yueh Cho   +2 more
wiley   +1 more source

Evolutionary dynamics of rRNA gene clusters in cichlid fish

open access: yesBMC Evolutionary Biology, 2012
Background Among multigene families, ribosomal RNA (rRNA) genes are the most frequently studied and have been explored as cytogenetic markers to study the evolutionary history of karyotypes among animals and plants. In this report, we applied cytogenetic
Nakajima Rafael T   +4 more
doaj   +1 more source

RNA Polymerase III Subunit Mutations in Genetic Diseases

open access: yesFrontiers in Molecular Biosciences, 2021
RNA polymerase (Pol) III transcribes small untranslated RNAs such as 5S ribosomal RNA, transfer RNAs, and U6 small nuclear RNA. Because of the functions of these RNAs, Pol III transcription is best known for its essential contribution to RNA maturation ...
Elisabeth Lata   +7 more
doaj   +1 more source

RAD51 and RAD51 paralog inhibition sensitizes nonreplicating quiescent keratinocytes to UV radiation

open access: yesPhotochemistry and Photobiology, EarlyView.
UV radiation and other compounds generate DNA adducts that block transcription and induce cell death if not removed by the nucleotide excision repair system. In this work, we used a small‐scale pharmacological screen to discover that inhibition of the recombinase RAD51 sensitized nonreplicating quiescent keratinocytes to both UVR and other agents that ...
Saman Khan   +3 more
wiley   +1 more source

Advancements and Challenges in the Production of Biosurfactants: A Path Toward Sustainable Surfactant Alternatives

open access: yesChemBioEng Reviews, Volume 13, Issue 1, February 2026.
Microorganisms generate versatile biosurfactants with a wide range of uses. Although cost issues still exist, industrial interest is growing because to the advantages of sustainability, which are enhanced by genetic engineering; life cycle evaluation is crucial for scalable, environmentally responsible production.
Lavanya M., Rishabh Agarwala
wiley   +1 more source

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