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  1. Artikel ; Online: Convergent and divergent mechanisms of peroxisomal and mitochondrial division.

    Subramani, Suresh / Shukla, Nandini / Farre, Jean-Claude

    The Journal of cell biology

    2023  Band 222, Heft 9

    Abstract: Organelle division and segregation are important in cellular homeostasis. Peroxisomes (POs) and mitochondria share a core division machinery and mechanism of membrane scission. The division of each organelle is interdependent not only on the other but ... ...

    Abstract Organelle division and segregation are important in cellular homeostasis. Peroxisomes (POs) and mitochondria share a core division machinery and mechanism of membrane scission. The division of each organelle is interdependent not only on the other but also on other organelles, reflecting the dynamic communication between subcellular compartments, even as they coordinate the exchange of metabolites and signals. We highlight common and unique mechanisms involved in the fission of these organelles under the premise that much can be gleaned regarding the division of one organelle based on information available for the other.
    Mesh-Begriff(e) Peroxisomes/metabolism ; Mitochondria/metabolism
    Sprache Englisch
    Erscheinungsdatum 2023-08-02
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 218154-x
    ISSN 1540-8140 ; 0021-9525
    ISSN (online) 1540-8140
    ISSN 0021-9525
    DOI 10.1083/jcb.202304076
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Aspergillus nidulans

    Lingo, Dale E / Shukla, Nandini / Osmani, Aysha H / Osmani, Stephen A

    Molecular biology of the cell

    2021  Band 32, Heft 12, Seite(n) 1181–1192

    Abstract: After growing on surfaces, including those of medical and industrial importance, fungal biofilms self-generate internal microenvironments. We previously reported that gaseous microenvironments around ... ...

    Abstract After growing on surfaces, including those of medical and industrial importance, fungal biofilms self-generate internal microenvironments. We previously reported that gaseous microenvironments around founder
    Mesh-Begriff(e) Aspergillus nidulans/physiology ; Aspergillus nidulans/ultrastructure ; Autophagy ; Biofilms ; Endocytosis ; Endoplasmic Reticulum/metabolism ; Endoplasmic Reticulum/physiology ; Exocytosis ; Fungal Proteins/metabolism ; Golgi Apparatus/metabolism ; Golgi Apparatus/physiology ; Light ; Microtubules/metabolism ; Transcription Factors/metabolism
    Chemische Substanzen Fungal Proteins ; Transcription Factors
    Sprache Englisch
    Erscheinungsdatum 2021-04-07
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 1098979-1
    ISSN 1939-4586 ; 1059-1524
    ISSN (online) 1939-4586
    ISSN 1059-1524
    DOI 10.1091/mbc.E20-11-0734
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel: Mutant Prion Protein Endoggresomes are Hubs for Local Axonal Organelle-Cytoskeletal Remodeling.

    Chaiamarit, Tai / Verhelle, Adriaan / Chassefeyre, Romain / Shukla, Nandini / Novak, Sammy Weiser / Andrade, Leonardo R / Manor, Uri / Encalada, Sandra E

    bioRxiv : the preprint server for biology

    2023  

    Abstract: Dystrophic axons comprising misfolded mutant prion protein (PrP) aggregates are a characteristic pathological feature in the prionopathies. These aggregates form inside endolysosomes -called endoggresomes-, within swellings that line up the length of ... ...

    Abstract Dystrophic axons comprising misfolded mutant prion protein (PrP) aggregates are a characteristic pathological feature in the prionopathies. These aggregates form inside endolysosomes -called endoggresomes-, within swellings that line up the length of axons of degenerating neurons. The pathways impaired by endoggresomes that result in failed axonal and consequently neuronal health, remain undefined. Here, we dissect the local subcellular impairments that occur within individual mutant PrP endoggresome swelling sites in axons. Quantitative high-resolution light and electron microscopy revealed the selective impairment of the acetylated vs tyrosinated microtubule cytoskeleton, while micro-domain image analysis of live organelle dynamics within swelling sites revealed deficits uniquely to the MT-based active transport system that translocates mitochondria and endosomes toward the synapse. Cytoskeletal and defective transport results in the retention of mitochondria, endosomes, and molecular motors at swelling sites, enhancing mitochondria-Rab7 late endosome contacts that induce mitochondrial fission via the activity of Rab7, and render mitochondria dysfunctional. Our findings point to mutant Pr Pendoggresome swelling sites as selective hubs of cytoskeletal deficits and organelle retention that drive the remodeling of organelles along axons. We propose that the dysfunction imparted locally within these axonal micro-domains spreads throughout the axon over time, leading to axonal dysfunction in prionopathies.
    Sprache Englisch
    Erscheinungsdatum 2023-03-21
    Erscheinungsland United States
    Dokumenttyp Preprint
    DOI 10.1101/2023.03.19.533383
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel: Balancing the Opposing Principles That Govern Peroxisome Homeostasis

    Mahalingam, Shanmuga S / Shukla, Nandini / Farré, Jean-Claude / Zientara-Rytter, Katarzyna / Subramani, Suresh

    Trends in biochemical sciences. 2021 Mar., v. 46, no. 3

    2021  

    Abstract: Despite major advances in our understanding of players and mechanisms involved in peroxisome biogenesis and peroxisome degradation, very few studies have focused on unraveling the multi-layered connections between, and the coordination of, these two ... ...

    Abstract Despite major advances in our understanding of players and mechanisms involved in peroxisome biogenesis and peroxisome degradation, very few studies have focused on unraveling the multi-layered connections between, and the coordination of, these two opposing processes that regulate peroxisome homeostasis. The intersection between these processes also provides exciting avenues for future research. This review highlights the links between peroxisome biogenesis and degradation, incorporating an integrative approach that is critical not only for a mechanistic understanding, but also for manipulating the balance between these processes in relevant disease models.
    Schlagwörter biogenesis ; disease models ; homeostasis
    Sprache Englisch
    Erscheinungsverlauf 2021-03
    Umfang p. 200-212.
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel
    Anmerkung NALT-AP-4-rerunAP2-fuzzy
    ZDB-ID 194220-7
    ISSN 0968-0004 ; 0376-5067
    ISSN 0968-0004 ; 0376-5067
    DOI 10.1016/j.tibs.2020.09.006
    Datenquelle NAL Katalog (AGRICOLA)

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  5. Artikel ; Online: Polycystic ovary syndrome and its management: In view of oxidative stress.

    Bhattacharya, Koushik / Dey, Rajen / Sen, Debanjana / Paul, Nimisha / Basak, Asim Kumar / Purkait, Mohuya Patra / Shukla, Nandini / Chaudhuri, Gargi Ray / Bhattacharya, Aniruddha / Maiti, Rajkumar / Adhikary, Krishnendu / Chatterjee, Prity / Karak, Prithviraj / Syamal, Alak Kumar

    Biomolecular concepts

    2024  Band 15, Heft 1

    Abstract: In the past two decades, oxidative stress (OS) has drawn a lot of interest due to the revelation that individuals with many persistent disorders including diabetes, polycystic ovarian syndrome (PCOS), cardiovascular, and other disorders often have ... ...

    Abstract In the past two decades, oxidative stress (OS) has drawn a lot of interest due to the revelation that individuals with many persistent disorders including diabetes, polycystic ovarian syndrome (PCOS), cardiovascular, and other disorders often have aberrant oxidation statuses. OS has a close interplay with PCOS features such as insulin resistance, hyperandrogenism, and chronic inflammation; there is a belief that OS might contribute to the development of PCOS. PCOS is currently recognized as not only one of the most prevalent endocrine disorders but also a significant contributor to female infertility, affecting a considerable proportion of women globally. Therefore, the understanding of the relationship between OS and PCOS is crucial to the development of therapeutic and preventive strategies for PCOS. Moreover, the mechanistic study of intracellular reactive oxygen species/ reactive nitrogen species formation and its possible interaction with women's reproductive health is required, which includes complex enzymatic and non-enzymatic antioxidant systems. Apart from that, our current review includes possible regulation of the pathogenesis of OS. A change in lifestyle, including physical activity, various supplements that boost antioxidant levels, particularly vitamins, and the usage of medicinal herbs, is thought to be the best way to combat this occurrence of OS and improve the pathophysiologic conditions associated with PCOS.
    Mesh-Begriff(e) Female ; Humans ; Polycystic Ovary Syndrome/therapy ; Polycystic Ovary Syndrome/complications ; Antioxidants/therapeutic use ; Hyperandrogenism/complications ; Oxidative Stress ; Insulin Resistance
    Chemische Substanzen Antioxidants
    Sprache Englisch
    Erscheinungsdatum 2024-01-19
    Erscheinungsland Germany
    Dokumenttyp Journal Article ; Review
    ZDB-ID 2557908-3
    ISSN 1868-503X ; 1868-5021
    ISSN (online) 1868-503X
    ISSN 1868-5021
    DOI 10.1515/bmc-2022-0038
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel: Automated, image-based quantification of peroxisome characteristics with

    Neal, Maxwell L / Shukla, Nandini / Mast, Fred D / Farré, Jean-Claude / Pacio, Therese M / Raney-Plourde, Katelyn E / Prasad, Sumedh / Subramani, Suresh / Aitchison, John D

    bioRxiv : the preprint server for biology

    2024  

    Abstract: perox-per- ... ...

    Abstract perox-per-cell
    Sprache Englisch
    Erscheinungsdatum 2024-04-12
    Erscheinungsland United States
    Dokumenttyp Preprint
    DOI 10.1101/2024.04.08.588597
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: Microtubules are reversibly depolymerized in response to changing gaseous microenvironments within

    Shukla, Nandini / Osmani, Aysha H / Osmani, Stephen A

    Molecular biology of the cell

    2017  Band 28, Heft 5, Seite(n) 634–644

    Abstract: How microtubules (MTs) are regulated during fungal biofilm formation is unknown. By tracking MT +end-binding proteins (+TIPS) ... ...

    Abstract How microtubules (MTs) are regulated during fungal biofilm formation is unknown. By tracking MT +end-binding proteins (+TIPS) in
    Mesh-Begriff(e) Actin Depolymerizing Factors/metabolism ; Aspergillus nidulans/metabolism ; Aspergillus nidulans/physiology ; Biofilms/growth & development ; Cellular Microenvironment/physiology ; Dyneins/metabolism ; Gases ; Microtubule-Associated Proteins/metabolism ; Microtubules/metabolism ; Polymerization
    Chemische Substanzen Actin Depolymerizing Factors ; Gases ; Microtubule-Associated Proteins ; Dyneins (EC 3.6.4.2)
    Sprache Englisch
    Erscheinungsdatum 2017-03-01
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 1098979-1
    ISSN 1939-4586 ; 1059-1524
    ISSN (online) 1939-4586
    ISSN 1059-1524
    DOI 10.1091/mbc.E16-10-0750
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel: Balancing the Opposing Principles That Govern Peroxisome Homeostasis.

    Mahalingam, Shanmuga S / Shukla, Nandini / Farré, Jean-Claude / Zientara-Rytter, Katarzyna / Subramani, Suresh

    Trends in biochemical sciences

    2020  Band 46, Heft 3, Seite(n) 200–212

    Abstract: Despite major advances in our understanding of players and mechanisms involved in peroxisome biogenesis and peroxisome degradation, very few studies have focused on unraveling the multi-layered connections between, and the coordination of, these two ... ...

    Abstract Despite major advances in our understanding of players and mechanisms involved in peroxisome biogenesis and peroxisome degradation, very few studies have focused on unraveling the multi-layered connections between, and the coordination of, these two opposing processes that regulate peroxisome homeostasis. The intersection between these processes also provides exciting avenues for future research. This review highlights the links between peroxisome biogenesis and degradation, incorporating an integrative approach that is critical not only for a mechanistic understanding, but also for manipulating the balance between these processes in relevant disease models.
    Mesh-Begriff(e) Homeostasis ; Metabolic Networks and Pathways ; Peroxisomes/metabolism
    Sprache Englisch
    Erscheinungsdatum 2020-10-09
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 194216-5
    ISSN 1362-4326 ; 0968-0004 ; 0376-5067
    ISSN (online) 1362-4326
    ISSN 0968-0004 ; 0376-5067
    DOI 10.1016/j.tibs.2020.09.006
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  9. Artikel ; Online: PxdA interacts with the DipA phosphatase to regulate peroxisome hitchhiking on early endosomes.

    Salogiannis, John / Christensen, Jenna R / Songster, Livia D / Aguilar-Maldonado, Adriana / Shukla, Nandini / Reck-Peterson, Samara L

    Molecular biology of the cell

    2021  Band 32, Heft 6, Seite(n) 492–503

    Abstract: In canonical microtubule-based transport, adaptor proteins link cargoes to dynein and kinesin motors. Recently, an alternative mode of transport known as "hitchhiking" was discovered, where cargoes achieve motility by hitching a ride on already-motile ... ...

    Abstract In canonical microtubule-based transport, adaptor proteins link cargoes to dynein and kinesin motors. Recently, an alternative mode of transport known as "hitchhiking" was discovered, where cargoes achieve motility by hitching a ride on already-motile cargoes, rather than attaching to a motor protein. Hitchhiking has been best studied in two filamentous fungi,
    Mesh-Begriff(e) Aspergillus nidulans/metabolism ; Basidiomycota/metabolism ; Biological Transport ; Dyneins/metabolism ; Endoplasmic Reticulum/metabolism ; Endosomes/metabolism ; Fungal Proteins/metabolism ; Kinesins/metabolism ; Metabolic Networks and Pathways ; Microtubules/metabolism ; Mitochondria/metabolism ; Peroxisomes/metabolism ; Peroxisomes/physiology ; Phosphoric Monoester Hydrolases/metabolism ; Protein Transport/genetics ; Protein Transport/physiology ; Transport Vesicles/metabolism
    Chemische Substanzen Fungal Proteins ; DipA protein, Aspergillus nidulans (EC 3.1.3.-) ; Phosphoric Monoester Hydrolases (EC 3.1.3.2) ; Dyneins (EC 3.6.4.2) ; Kinesins (EC 3.6.4.4)
    Sprache Englisch
    Erscheinungsdatum 2021-01-21
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1098979-1
    ISSN 1939-4586 ; 1059-1524
    ISSN (online) 1939-4586
    ISSN 1059-1524
    DOI 10.1091/mbc.E20-08-0559
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  10. Artikel ; Online: Identification of interphase functions for the NIMA kinase involving microtubules and the ESCRT pathway.

    Govindaraghavan, Meera / McGuire Anglin, Sarah Lea / Shen, Kuo-Fang / Shukla, Nandini / De Souza, Colin P / Osmani, Stephen A

    PLoS genetics

    2014  Band 10, Heft 3, Seite(n) e1004248

    Abstract: The Never in Mitosis A (NIMA) kinase (the founding member of the Nek family of kinases) has been considered a mitotic specific kinase with nuclear restricted roles in the model fungus Aspergillus nidulans. By extending to A. nidulans the results of a ... ...

    Abstract The Never in Mitosis A (NIMA) kinase (the founding member of the Nek family of kinases) has been considered a mitotic specific kinase with nuclear restricted roles in the model fungus Aspergillus nidulans. By extending to A. nidulans the results of a synthetic lethal screen performed in Saccharomyces cerevisiae using the NIMA ortholog KIN3, we identified a conserved genetic interaction between nimA and genes encoding proteins of the Endosomal Sorting Complex Required for Transport (ESCRT) pathway. Absence of ESCRT pathway functions in combination with partial NIMA function causes enhanced cell growth defects, including an inability to maintain a single polarized dominant cell tip. These genetic insights suggest NIMA potentially has interphase functions in addition to its established mitotic functions at nuclei. We therefore generated endogenously GFP-tagged NIMA (NIMA-GFP) which was fully functional to follow its interphase locations using live cell spinning disc 4D confocal microscopy. During interphase some NIMA-GFP locates to the tips of rapidly growing cells and, when expressed ectopically, also locates to the tips of cytoplasmic microtubules, suggestive of non-nuclear interphase functions. In support of this, perturbation of NIMA function either by ectopic overexpression or through partial inactivation results in marked cell tip growth defects with excess NIMA-GFP promoting multiple growing cell tips. Ectopic NIMA-GFP was found to locate to the plus ends of microtubules in an EB1 dependent manner, while impairing NIMA function altered the dynamic localization of EB1 and the cytoplasmic microtubule network. Together, our genetic and cell biological analyses reveal novel non-nuclear interphase functions for NIMA involving microtubules and the ESCRT pathway for normal polarized fungal cell tip growth. These insights extend the roles of NIMA both spatially and temporally and indicate that this conserved protein kinase could help integrate cell cycle progression with polarized cell growth.
    Mesh-Begriff(e) Aspergillus nidulans/genetics ; Cell Cycle/genetics ; Cell Cycle Proteins/genetics ; Cell Nucleus/genetics ; Endosomal Sorting Complexes Required for Transport/genetics ; Endosomal Sorting Complexes Required for Transport/metabolism ; Green Fluorescent Proteins ; Interphase/genetics ; Microtubules/genetics ; Mitosis/genetics ; NIMA-Related Kinase 1 ; Protein-Serine-Threonine Kinases/genetics
    Chemische Substanzen Cell Cycle Proteins ; Endosomal Sorting Complexes Required for Transport ; Green Fluorescent Proteins (147336-22-9) ; NIMA-Related Kinase 1 (EC 2.7.11.1) ; Protein-Serine-Threonine Kinases (EC 2.7.11.1)
    Sprache Englisch
    Erscheinungsdatum 2014-03-27
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2186725-2
    ISSN 1553-7404 ; 1553-7390
    ISSN (online) 1553-7404
    ISSN 1553-7390
    DOI 10.1371/journal.pgen.1004248
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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