Search Results - (Author, Cooperation:W. Filipowicz)
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1N. Sonenberg ; W. Filipowicz
American Association for the Advancement of Science (AAAS)
Published 2012Staff ViewPublication Date: 2012-07-24Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Animals ; *Gene Expression Regulation ; History, 20th Century ; History, 21st Century ; Humans ; RNA Caps/*history/physiology ; RNA Stability ; RNA, Messenger/chemistry/history/metabolism ; United States ; Virology/*historyPublished by: -
2Staff View
ISSN: 0003-9861Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
3Staff View
ISSN: 0006-291XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
4Staff View
ISSN: 0167-4781Keywords: (Maize) ; Gene expression ; Protoplast ; Pseudogene ; UsnRNASource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyMedicinePhysicsType of Medium: Electronic ResourceURL: -
5Staff View
ISSN: 0014-5793Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
6Staff View
ISSN: 0014-5793Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
7Staff View
ISSN: 0014-5793Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
8Staff View
ISSN: 0006-291XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
9Staff View
ISSN: 0006-291XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
10Staff View
ISSN: 0006-291XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
11Staff View
ISSN: 0968-0004Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyMedicineType of Medium: Electronic ResourceURL: -
12Staff View
ISSN: 1573-4978Keywords: Eukaryotic promoters ; plant genes ; spliceosomal RNAs ; U-snRNAs ; U4 RNASource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Abstract Three genes encoding U4 small nuclear RNA (U4 snRNA) in the higher plantArabidopsis thaliana have been isolated and characterized. Two of the genes, AtU4.1 and AtU4.2, contain all the transcriptional signals known to be essential for U-snRNA gene activity in dicot plants: the Upstream Sequence Element (USE), the -30 TATA box and the downstream 3′ end formation sequence. The USE and TATA elements are centered approximately four helical DNA turns apart, a feature characteristic of RNA polymerase II-transcribed U-snRNA genes of plants. The genes AtU4.1 and AtU4.2 are actively transcribed in transfected plant protoplasts and inArabidopsis plants. Expression of the third gene, AtU4.3, could not be demonstrated. Since this gene is missing the downstream signal important for RNA 3′ end formation, it probably represents a pseudogene. The genes AtU4.1 and AtU4.2 encode 152–153 nt long RNAs which show 85–89% sequence similarity with broad bean and pea U4 RNAs and 60–65% similarity with mammalian U4 RNAs.Arabidopsis U4 and U6 snRNAs can be folded into the base-paired Y-shaped model supporting the importance of the U4/U6 interaction during pre-mRNA splicing in plants as well as animals.Type of Medium: Electronic ResourceURL: -
13Staff View
ISSN: 1573-4978Source: Springer Online Journal Archives 1860-2000Topics: BiologyType of Medium: Electronic ResourceURL: -
14Staff View
ISSN: 1573-5028Keywords: pre-mRNA splicing ; U snRNPs ; alternative splicing ; intron enhancement ; coiled bodies ; interchromatin ; plant gene expression ; Arabidopsis thalianaSource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Abstract The removal of introns from pre-mRNA transcripts and the concomitant ligation of exons is known as pre-mRNA splicing. It is a fundamental aspect of constitutive eukaryotic gene expression and an important level at which gene expression is regulated. The process is governed by multiple cis-acting elements of limited sequence content and particular spatial constraints, and is executed by a dynamic ribonucleoprotein complex termed the spliceosome. The mechanism and regulation of pre-mRNA splicing, and the sub-nuclear organisation of the spliceosomal machinery in higher plants is reviewed here. Heterologous introns are often not processed in higher plants indicating that, although highly conserved, the process of pre-mRNA splicing in plants exhibits significant differences that distinguish it from splicing in yeast and mammals. A fundamental distinguishing feature is the presence of and requirement for AU or U-rich intron sequence in higher-plant pre-mRNA splicing. In this review we document the properties of higher-plant introns and trans-acting spliceosomal components and discuss the means by which these elements combine to determine the accuracy and efficiency of pre-mRNA processing. We also detail examples of how introns can effect regulated gene expression by affecting the nature and abundance of mRNA in plants and list the effects of environmental stresses on splicing. Spliceosomal components exhibit a distinct pattern of organisation in higher-plant nuclei. Effective probes that reveal this pattern have only recently become available, but the domains in which spliceosomal components concentrate were identified in plant nuclei as enigmatic structures some sixty years ago. The organisation of spliceosomal components in plant nuclei is reviewed and these recent observations are unified with previous cytochemical and ultrastructural studies of plant ribonucleoprotein domains.Type of Medium: Electronic ResourceURL: