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Chloroplast biogenesis involves spatial coordination of nuclear and organellar gene expression in Chlamydomonas

Author(s): Sun Y; Bakhtiari S; Valente-Paterno M; Wu Y; Nishimura Y; Shen W; Law C; Dhaliwal J; Dai D; Bui KH; Zerges W;

The localization of translation can direct the polypeptide product to the proper intracellular compartment. Our results reveal translation by cytosolic ribosomes on a domain of the chloroplast envelope in the unicellular green alga Chlamydomonas (Chlamydomonas reinhardtii). We show that this enve ...

Article GUID: 38709497


Endogenous tagging using split mNeonGreen in human iPSCs for live imaging studies

Author(s): Husser MC; Pham NP; Law C; Araujo FRB; Martin VJJ; Piekny A;

Endogenous tags have become invaluable tools to visualize and study native proteins in live cells. However, generating human cell lines carrying endogenous tags is difficult due to the low efficiency of homology-directed repair. Recently, an engineered split mNeonGreen protein was used to generate a large-scale endogenous tag library in HEK293 cells. Usin ...

Article GUID: 38652106


Polarization and cell-fate decision facilitated by the adaptor Ste50p in Saccharomyces cerevisiae

Author(s): Sharmeen N; Law C; Wu C;

In response to pheromone, many proteins localize on the plasma membrane of yeast cell to reform it into a polarized shmoo structure. The adaptor protein Ste50p, known as a pheromone signal enhancer critical for shmoo polarization, has never been explored systematically for its localization and function in the polarization process. Time-lapse single-cell i ...

Article GUID: 36538537


A Deep Learning Approach to Capture the Essence of Candida albicans Morphologies

Author(s): Bettauer V; Costa ACBP; Omran RP; Massahi S; Kirbizakis E; Simpson S; Dumeaux V; Law C; Whiteway M; Hallett MT;

We present deep learning-based approaches for exploring the complex array of morphologies exhibited by the opportunistic human pathogen Candida albicans. Our system, entitled Candescence, automatically detects C. albicans cells from differential image contrast microscopy and labels each detected ...

Article GUID: 35972285


Diverse mechanisms regulate contractile ring assembly for cytokinesis in the two-cell C. elegans embryo

Author(s): Ozugergin I; Mastronardi K; Law C; Piekny A;

Cytokinesis occurs at the end of mitosis due to the ingression of a contractile ring that cleaves the daughter cells. The core machinery regulating this crucial process is conserved among metazoans. Multiple pathways control ring assembly, but their contribution in different cell types is not known. We found that in the C. elegans embryo, AB and P1 cells ...

Article GUID: 35022791


The zinc cluster transcription factor Rha1 is a positive filamentation regulator in Candida albicans

Author(s): Omran RP; Ramírez-Zavala B; Aji Tebung W; Yao S; Feng J; Law C; Dumeaux V; Morschhäuser J; Whiteway M;

Zinc cluster transcription factors are essential fungal regulators of gene expression. In the pathogen Candida albicans, the gene orf19.1604 encodes a zinc cluster transcription factor regulating filament development. Hyperactivation of orf19.1604, which we have named RHA1 for Regulator of Hyphal ...

Article GUID: 34849863


Signal-mediated localization of Candida albicans pheromone response pathway components

Author(s): Costa ACBP; Omran RP; Law C; Dumeaux V; Whiteway M;

Candida albicans opaque cells release pheromones to stimulate cells of opposite mating type to activate their pheromone response pathway. Although this fungal pathogen shares orthologous proteins involved in the process with Saccharomyces cerevisiae, the pathway in each organism has unique characteristics. We have used GFP-tagged fusion proteins to invest ...

Article GUID: 33793759


Multi-tissue patterning drives anterior morphogenesis of the C. elegans embryo.

Author(s): Grimbert S, Mastronardi K, Richard V, Christensen R, Law C, Zardoui K, Fay D, Piekny A

Complex structures derived from multiple tissue types are challenging to study in vivo, and our knowledge of how cells from different tissues are coordinated is limited. Model organisms have proven invaluable for improving our understanding of how chemical and mechanical cues between cells from two different tissues can govern specific morphogenetic event ...

Article GUID: 33309948


The phenotype associated with variants in TANGO2 may be explained by a dual role of the protein in ER-to-Golgi transport and at the mitochondria.

Author(s): Milev MP, Saint-Dic D, Zardoui K, Klopstock T, Law C, Distelmaier F, Sacher M

TANGO2 variants result in a complex disease phenotype consisting of recurrent crisis-induced rhabdomyolysis, encephalopathy, seizures, lactic acidosis, hypoglycemia, and cardiac arrhythmias. Although first described in a fruit fly model as a protein necessary for some aspect of Golgi function and organization, its role in the cell at a fundamental level h ...

Article GUID: 32909282


Photosystem Biogenesis Is Localized to the Translation Zone in the Chloroplast of Chlamydomonas.

Author(s): Sun Y, Valente-Paterno MI, Bakhtiari S, Law C, Zhan Y, Zerges W

Photosystem Biogenesis Is Localized to the Translation Zone in the Chloroplast of Chlamydomonas.

Plant Cell. 2019 Oct 07;:

Authors: Sun Y, Valente-Paterno MI, Bakhtiari S, Law C, Zhan Y, Zerges W

Abstract
Intracellular processes can be localized for efficiency or regulation. For example, localized mRNA translation by chl ...

Article GUID: 31591163


Active Ran regulates anillin function during cytokinesis.

Author(s): Beaudet D, Akhshi T, Phillipp J, Law C, Piekny A

Mol Biol Cell. 2017 Nov 15;28(24):3517-3531 Authors: Beaudet D, Akhshi T, Phillipp J, Law C, Piekny A

Article GUID: 28931593


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