Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae

A double membrane bilayer perforated by nuclear pore complexes (NPCs) governs the shape of the nucleus, the prominent distinguishing organelle of a eukaryotic cell. Despite the absence of lamins in yeasts, the nuclear morphology is stably maintained and shape changes occur in a regulated fashion. In...

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Main Authors: Pallavi Deolal, Imlitoshi Jamir, Krishnaveni Mishra
Format: Article
Language:English
Published: Taylor & Francis Group 2022-12-01
Series:Nucleus
Subjects:
Online Access:http://dx.doi.org/10.1080/19491034.2022.2034286
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author Pallavi Deolal
Imlitoshi Jamir
Krishnaveni Mishra
author_facet Pallavi Deolal
Imlitoshi Jamir
Krishnaveni Mishra
author_sort Pallavi Deolal
collection DOAJ
description A double membrane bilayer perforated by nuclear pore complexes (NPCs) governs the shape of the nucleus, the prominent distinguishing organelle of a eukaryotic cell. Despite the absence of lamins in yeasts, the nuclear morphology is stably maintained and shape changes occur in a regulated fashion. In a quest to identify factors that contribute to regulation of nuclear shape and function in Saccharomyces cerevisiae, we used a fluorescence imaging based approach. Here we report the identification of a novel protein, Uip4p, that is required for regulation of nuclear morphology. Loss of Uip4 compromises NPC function and loss of nuclear envelope (NE) integrity. Our localization studies show that Uip4 localizes to the NE and endoplasmic reticulum (ER) network. Furthermore, we demonstrate that the localization and expression of Uip4 is regulated during growth, which is crucial for NPC distribution.
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spelling doaj.art-2620f6699dae40d7ad86bc64535b09772022-12-21T19:30:11ZengTaylor & Francis GroupNucleus1949-10341949-10422022-12-01131799310.1080/19491034.2022.20342862034286Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiaePallavi Deolal0Imlitoshi Jamir1Krishnaveni Mishra2University of HyderabadNagaland UniversityUniversity of HyderabadA double membrane bilayer perforated by nuclear pore complexes (NPCs) governs the shape of the nucleus, the prominent distinguishing organelle of a eukaryotic cell. Despite the absence of lamins in yeasts, the nuclear morphology is stably maintained and shape changes occur in a regulated fashion. In a quest to identify factors that contribute to regulation of nuclear shape and function in Saccharomyces cerevisiae, we used a fluorescence imaging based approach. Here we report the identification of a novel protein, Uip4p, that is required for regulation of nuclear morphology. Loss of Uip4 compromises NPC function and loss of nuclear envelope (NE) integrity. Our localization studies show that Uip4 localizes to the NE and endoplasmic reticulum (ER) network. Furthermore, we demonstrate that the localization and expression of Uip4 is regulated during growth, which is crucial for NPC distribution.http://dx.doi.org/10.1080/19491034.2022.2034286nuclear envelopenuclear pore complexyeastuip4
spellingShingle Pallavi Deolal
Imlitoshi Jamir
Krishnaveni Mishra
Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
Nucleus
nuclear envelope
nuclear pore complex
yeast
uip4
title Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
title_full Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
title_fullStr Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
title_full_unstemmed Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
title_short Uip4p modulates nuclear pore complex function in Saccharomyces cerevisiae
title_sort uip4p modulates nuclear pore complex function in saccharomyces cerevisiae
topic nuclear envelope
nuclear pore complex
yeast
uip4
url http://dx.doi.org/10.1080/19491034.2022.2034286
work_keys_str_mv AT pallavideolal uip4pmodulatesnuclearporecomplexfunctioninsaccharomycescerevisiae
AT imlitoshijamir uip4pmodulatesnuclearporecomplexfunctioninsaccharomycescerevisiae
AT krishnavenimishra uip4pmodulatesnuclearporecomplexfunctioninsaccharomycescerevisiae