Journal ArticleDOI
Cytochemistry and immunocytochemistry of nucleolar chromatin in plants
TLDR
The most relevant data currently available on the in situ localization of nucleolar chromatin on plant cells points towards models of similar functional organization in both plant and animal nucleoli.About:
This article is published in Micron.The article was published on 1994-01-01. It has received 41 citations till now. The article focuses on the topics: Nucleolar chromatin & Dense fibrillar component.read more
Citations
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Journal ArticleDOI
Architecture of the Trypanosoma brucei nucleus during interphase and mitosis.
TL;DR: The organisation of theMitotic spindle during different stages of mitosis, the complex ultrastructure of kinetochores and the identification of a potential spindle-organising centre in the mitotic nucleus are described.
Journal ArticleDOI
The organization of ribosomal RNA processing correlates with the distribution of nucleolar snRNAs.
TL;DR: The results show that transcript processing within the nucleolus is spatially highly organized, and ETS cleavage and 18 S rRNA production occur in the DFC.
Journal ArticleDOI
Hsp70 and Hsp90 change their expression and subcellular localization after microspore embryogenesis induction in Brassica napus L.
TL;DR: Results indicated that stress proteins are involved in the process of microspore embryogenesis induction, and their association at specific stages have been determined between the two systems coexisting in the same culture.
Journal ArticleDOI
Defined nuclear changes accompany the reprogramming of the microspore to embryogenesis.
Pilar S. Testillano,María José Coronado,J. M. Seguı́,Jezabel Domenech,Pablo González-Melendi,Ivan Raška,María Carmen Risueño +6 more
TL;DR: The observed nuclear changes were similar in the three species investigated and represented convenient markers for early monitoring of embryogenesis and selection purposes for obtaining double-haploid plants in plant breeding.
Journal ArticleDOI
Young microspore-derived maize embryos show two domains with defined features also present in zygotic embryogenesis.
Pilar S. Testillano,Carmen Ramírez,Jezabel Domenech,María José Coronado,Phillipe Vergne,Elisabeth Matthys-Rochon,María Carmen Risueño +6 more
TL;DR: Data supports the existence of an endosperm-like function during early microspore embryogenesis and provides new insights into the onset of microspur embryogenesis in maize, and its parallelism with zygotic embryogenesis.
References
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Book ChapterDOI
Antinuclear antibodies: diagnostic markers for autoimmune diseases and probes for cell biology
TL;DR: One of the purposes of this chapter is to show that the new molecular biology of cellular antigens and auto-antibodies could now be providing insights into comprehending some features of autoimmunity.
Journal ArticleDOI
Improvement in the staining and in the visualization of the argyrophilic proteins of the nucleolar organizer region at the optical level.
TL;DR: The argyrophilic proteins of the nucleolar organizer region (Ag-NOR proteins) were specifically localized at the optical level with a modified one-step silver technique performed at 20° C to improve the visualization of the silver deposits.
Journal ArticleDOI
Visualization of Nucleolar Genes
O. L. Miller,Barbara R. Beatty +1 more
TL;DR: The presence of extrachromosomal nucleoli in amphibian oocytes has permitted isolation and electron microscopic observation of the genes coding for ribosomal RNA precursor molecules.
Journal ArticleDOI
The relation of a particular chromosomal element to the development of the nucleoli in Zea mays
TL;DR: The nucleolus is organized in the telophase through the activity of a distinct deep-staining body having a definite position in one chromosome (the satellited chromosome) of the monoploid complement through a reciprocal translocation which broke this body into two parts.
BookDOI
The nucleolus and ribosome biogenesis
TL;DR: In this paper, the authors describe the structure of preribosomes and their role in the pre-rRNA precoding process, and discuss the role of RNA polymerases in the precoding.