دورية أكاديمية
Identification of novel, functional, long noncoding RNAs involved in programmed, large-scale genome rearrangements.
العنوان: | Identification of novel, functional, long noncoding RNAs involved in programmed, large-scale genome rearrangements. |
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المؤلفون: | Bechara ST; Institute of Cell Biology, University of Bern, Bern 3012, Switzerland.; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern 3012, Switzerland., Kabbani LES; Institute of Cell Biology, University of Bern, Bern 3012, Switzerland.; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern 3012, Switzerland., Maurer-Alcalá XX; Institute of Cell Biology, University of Bern, Bern 3012, Switzerland.; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern 3012, Switzerland., Nowacki M; Institute of Cell Biology, University of Bern, Bern 3012, Switzerland. |
المصدر: | RNA (New York, N.Y.) [RNA] 2022 Aug; Vol. 28 (8), pp. 1110-1127. Date of Electronic Publication: 2022 Jun 09. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: Cold Spring Harbor Laboratory Press Country of Publication: United States NLM ID: 9509184 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1469-9001 (Electronic) Linking ISSN: 13558382 NLM ISO Abbreviation: RNA Subsets: MEDLINE |
أسماء مطبوعة: | Publication: <2003->: Cold Spring Harbor, NY : Cold Spring Harbor Laboratory Press Original Publication: New York, NY : Cambridge University Press, c1995- |
مواضيع طبية MeSH: | Paramecium tetraurelia*/genetics , RNA, Long Noncoding*/genetics, Cell Nucleus/genetics ; DNA Transposable Elements/genetics ; Gene Rearrangement ; RNA, Untranslated/genetics |
مستخلص: | Noncoding RNAs (ncRNAs) make up to ∼98% percent of the transcriptome of a given organism. In recent years, one relatively new class of ncRNAs, long noncoding RNAs (lncRNAs), were shown to be more than mere by-products of gene expression and regulation. The unicellular eukaryote Paramecium tetraurelia is a member of the ciliate phylum, an extremely heterogeneous group of organisms found in most bodies of water across the globe. A hallmark of ciliate genetics is nuclear dimorphism and programmed elimination of transposons and transposon-derived DNA elements, the latter of which is essential for the maintenance of the somatic genome. Paramecium and ciliates in general harbor a plethora of different ncRNA species, some of which drive the process of large-scale genome rearrangements, including DNA elimination, during sexual development. Here, we identify and validate the first known functional lncRNAs in ciliates to date. Using deep-sequencing and subsequent bioinformatic processing and experimental validation, we show that Paramecium expresses at least 15 lncRNAs. These candidates were predicted by a highly conservative pipeline, and informatic analyses hint at differential expression during development. Depletion of two lncRNAs, lnc1 and lnc15, resulted in clear phenotypes, decreased survival, morphological impairment, and a global effect on DNA elimination. (© 2022 Bechara et al.; Published by Cold Spring Harbor Laboratory Press for the RNA Society.) |
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فهرسة مساهمة: | Keywords: DNA elimination; ciliate; genome rearrangement; lncRNA; sRNA |
المشرفين على المادة: | 0 (DNA Transposable Elements) 0 (RNA, Long Noncoding) 0 (RNA, Untranslated) |
تواريخ الأحداث: | Date Created: 20220609 Date Completed: 20220720 Latest Revision: 20220830 |
رمز التحديث: | 20221213 |
مُعرف محوري في PubMed: | PMC9297840 |
DOI: | 10.1261/rna.079134.122 |
PMID: | 35680167 |
قاعدة البيانات: | MEDLINE |
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