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Xia X, Zhu F, Niu H, Pan L, Zheng Z, Pan L, Hoffmann AA, Fang J, Wang L. Constitutively expressed small heat shock protein LsHsp21.5 not only enhances heat tolerance but also helps to maintain reproduction in female Laodelphax striatellus. INSECT MOLECULAR BIOLOGY 2024; 33:195-205. [PMID: 38183324 DOI: 10.1111/imb.12889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 12/21/2023] [Indexed: 01/08/2024]
Abstract
Coping with stressful conditions and maintaining reproduction are two key biological processes that affect insect population dynamics. Small heat shock proteins (sHSPs) are involved in the stress response and the development of insects. The sHsp gene Laodelphax striatellus (Hemiptera: Delphacidae) sHsp 21.5 (LsHsp21.5) showed constitutive, stage- and organ-specific expression in L. striatellus, a pest that damages cultivated rice in east Asia. The expression of LsHsp21.5 was highest in the ovary, with 43.60, 12.99 and 1.45 time higher expression here than in the head, gut and female fat bodies, respectively. The expression of this gene was weakly affected by heat or cold shock. The gene provided in vitro protection against heat damage to malate dehydrogenase and in vivo protection against heat stress in Escherichia coli (Enterobacteriales: Enterobacteriaceae) BL21(DE3) and L. striatellus. Moreover, L. striatellus reproduction decreased by 1.85 times when the expression of LsHsp21.5 was inhibited by RNA interference. The expression of some genes related to reproduction, such as the homologous gene of chorion protein, also declined. These results suggest that LsHsp21.5 expression not only protects other proteins against stress but also helps maintain the stable expression of some reproduction-related genes under non-stressful conditions, with impacts on L. striatellus fecundity.
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Affiliation(s)
- Xue Xia
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Feng Zhu
- Jiangsu Plant Protection and Quarantine Station, Nanjing, China
| | - Hongtao Niu
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Lei Pan
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Zhouting Zheng
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Lingyun Pan
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Ary A Hoffmann
- Bio21 Institute, School of BioSciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Jichao Fang
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Lihua Wang
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
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Zhang Y, Ma W, Ma C, Zhang Q, Tian Z, Tian Z, Chen H, Guo J, Wan F, Zhou Z. The hsp70 new functions as a regulator of reproduction both female and male in Ophraella communa. Front Mol Biosci 2022; 9:931525. [PMID: 36203880 PMCID: PMC9531545 DOI: 10.3389/fmolb.2022.931525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Heat shock proteins (Hsps) function as molecular chaperones that enable organisms to withstand stress and maintain normal life activities. In this study, we identified heat shock protein 70 (encoded by hsp70), which exhibits a higher expression in the mature male testis than in the unmature testis of Ophraella communa. Tissue expression profile revealed that Ochsp70 levels in males were highest in the testis, whereas those in females were highest in the head. Moreover, the expression of Ochsp70 was found to be significantly induced in female bursa copulatrix after mating. Double-stranded RNA dsOchsp70 was injected into males to performance RNA interference, which significantly decreased the male Ochsp70 expression levels within 20 d post-injection, whereas no effect was observed on the Ochsp70 expression level in the females after mating with dsOchsp70-injected males. However, significant downregulation of female fertility was marked simultaneously. Furthermore, knockdown of female Ochsp70 expression also led to a significant reduction in fertility. Finally, comparative transcriptomic analysis identified glucose dehydrogenase and insulin-like growth factor binding protein as putative downstream targets of Ochsp70. Overall, we deduced that Ochsp70 is an indispensable gene and a potential male mating factor in O. communa, which regulates reproduction.
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Affiliation(s)
- Yan Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Weihua Ma
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Chao Ma
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qinglu Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhenya Tian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Institute of Plant Protection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Zhenqi Tian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hongsong Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Institute of Plant Protection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Jianying Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Fanghao Wan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhongshi Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China
- *Correspondence: Zhongshi Zhou,
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Moutaoufik MT, Tanguay RM. Analysis of insect nuclear small heat shock proteins and interacting proteins. Cell Stress Chaperones 2021; 26:265-274. [PMID: 32888179 PMCID: PMC7736433 DOI: 10.1007/s12192-020-01156-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/13/2020] [Accepted: 08/19/2020] [Indexed: 10/23/2022] Open
Abstract
The small heat shock proteins (sHsps) are a ubiquitous family of ATP-independent stress proteins found in all domains of life. Drosophila melanogaster Hsp27 (DmHsp27) is the only known nuclear sHsp in insect. Here analyzing sequences from HMMER, we identified 56 additional insect sHsps with conserved arginine-rich nuclear localization signal (NLS) in the N-terminal region. At this time, the exact role of nuclear sHsps remains unknown. DmHsp27 protein-protein interaction analysis from iRefIndex database suggests that this protein, in addition to a putative role of molecular chaperone, is likely involved in other nuclear processes (i.e., chromatin remodeling and transcription). Identification of DmHsp27 interactors should provide key insights on the cellular and molecular functions of this nuclear chaperone.
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Affiliation(s)
- Mohamed Taha Moutaoufik
- Lab of Cell & Developmental Genetics, Department of Cellular and Molecular Biology, Medical Biochemistry & Pathology, Medical School, Université Laval, Quebec, G1K 7P4, Canada
- Department of Biochemistry, University of Regina, Regina, SK, S4S 0A2, Canada
| | - Robert M Tanguay
- Lab of Cell & Developmental Genetics, Department of Cellular and Molecular Biology, Medical Biochemistry & Pathology, Medical School, Université Laval, Quebec, G1K 7P4, Canada.
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Xie J, Hu X, Zhai M, Yu X, Song X, Gao S, Wu W, Li B. Characterization and functional analysis of hsp18.3 gene in the red flour beetle, Tribolium castaneum. INSECT SCIENCE 2019; 26:263-273. [PMID: 28980406 PMCID: PMC7379568 DOI: 10.1111/1744-7917.12543] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 08/23/2017] [Accepted: 09/04/2017] [Indexed: 05/07/2023]
Abstract
Small heat shock proteins (sHSPs) are diverse and mainly function as molecular chaperones to protect organisms and cells from various stresses. In this study, hsp18.3, one Tribolium castaneum species-specific shsp, has been identified. Quantitative real-time polymerase chain reaction illustrated that Tchsp18.3 is expressed in all developmental stages, and is highly expressed at early pupal and late adult stages, while it is highly expressed in ovary and fat body at the adult period. Moreover, it was up-regulated 4532 ± 396-fold in response to enhanced heat stress but not to cold stress; meanwhile the lifespan of adults in ds-Tchsp18.3 group reduced by 15.8% from control group under starvation. Laval RNA interference (RNAi) of Tchsp18.3 caused 86.1% ± 4.5% arrested pupal eclosion and revealed that Tchsp18.3 played an important role in insect development. In addition, parental RNAi of Tchsp18.3 reduced the oviposition amount by 94.7%. These results suggest that Tchsp18.3 is not only essential for the resistance to heat and starvation stress, but also is critical for normal development and reproduction in T. castaneum.
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Affiliation(s)
- Jia Xie
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Xing‐Xing Hu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Meng‐Fan Zhai
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Xiao‐Juan Yu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Xiao‐Wen Song
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Shan‐Shan Gao
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Wei Wu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Bin Li
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
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Jabłońska J, Dubińska-Magiera M, Jagla T, Jagla K, Daczewska M. Drosophila Hsp67Bc hot-spot variants alter muscle structure and function. Cell Mol Life Sci 2018; 75:4341-4356. [PMID: 30032358 PMCID: PMC6208764 DOI: 10.1007/s00018-018-2875-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 07/13/2018] [Accepted: 07/16/2018] [Indexed: 12/19/2022]
Abstract
The Drosophila Hsp67Bc gene encodes a protein belonging to the small heat-shock protein (sHSP) family, identified as the nearest functional ortholog of human HSPB8. The most prominent activity of sHSPs is preventing the irreversible aggregation of various non-native polypeptides. Moreover, they are involved in processes such as development, aging, maintenance of the cytoskeletal architecture and autophagy. In larval muscles Hsp67Bc localizes to the Z- and A-bands, which suggests its role as part of the conserved chaperone complex required for Z-disk maintenance. In addition, Hsp67Bc is present at neuromuscular junctions (NMJs), which implies its involvement in the maintenance of NMJ structure. Here, we report the effects of muscle-target overexpression of Drosophila Hsp67Bc hot-spot variants Hsp67BcR126E and Hsp67BcR126N mimicking pathogenic variants of human HSPB8. Depending on the substitutions, we observed a different impact on muscle structure and performance. Expression of Hsp67BcR126E affects larval motility, which may be caused by impairment of mitochondrial respiratory function and/or by NMJ abnormalities manifested by a decrease in the number of synaptic boutons. In contrast, Hsp67BcR126N appears to be an aggregate-prone variant, as reflected in excessive accumulation of mutant proteins and the formation of large aggregates with a lesser impact on muscle structure and performance compared to the Hsp67BcR126E variant.
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Affiliation(s)
- Jadwiga Jabłońska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, Sienkiewicza 21, 50-335, Wrocław, Poland
- GReD, INSERM U1103, CNRS, UMR6293, University of Clermont Auvergne, 28, Place Henri Dunant, 63000, Clermont-Ferrand, France
| | - Magda Dubińska-Magiera
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, Sienkiewicza 21, 50-335, Wrocław, Poland.
| | - Teresa Jagla
- GReD, INSERM U1103, CNRS, UMR6293, University of Clermont Auvergne, 28, Place Henri Dunant, 63000, Clermont-Ferrand, France
| | - Krzysztof Jagla
- GReD, INSERM U1103, CNRS, UMR6293, University of Clermont Auvergne, 28, Place Henri Dunant, 63000, Clermont-Ferrand, France
| | - Małgorzata Daczewska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, Sienkiewicza 21, 50-335, Wrocław, Poland.
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Label-free based quantitative proteomic analysis identifies proteins involved in the testis maturation of Bactrocera dorsalis (Hendel). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2018; 25:9-18. [DOI: 10.1016/j.cbd.2017.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 10/16/2017] [Accepted: 10/17/2017] [Indexed: 11/23/2022]
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Dabbaghizadeh A, Finet S, Morrow G, Moutaoufik MT, Tanguay RM. Oligomeric structure and chaperone-like activity of Drosophila melanogaster mitochondrial small heat shock protein Hsp22 and arginine mutants in the alpha-crystallin domain. Cell Stress Chaperones 2017; 22:577-588. [PMID: 28389817 PMCID: PMC5465034 DOI: 10.1007/s12192-017-0784-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 02/24/2017] [Accepted: 02/28/2017] [Indexed: 01/17/2023] Open
Abstract
The structure and chaperone function of DmHsp22WT, a small Hsp of Drosophila melanogaster localized within mitochondria were examined. Mutations of conserved arginine mutants within the alpha-crystallin domain (ACD) domain (R105G, R109G, and R110G) were introduced, and their effects on oligomerization and chaperone function were assessed. Arginine to glycine mutations do not induce significant changes in tryptophan fluorescence, and the mutated proteins form oligomers that are of equal or smaller size than the wild-type protein. They all form oligomer with one single peak as determined by size exclusion chromatography. While all mutants demonstrate the same efficiency as the DmHsp22WT in a DTT-induced insulin aggregation assay, all are more efficient chaperones to prevent aggregation of malate dehydrogenase. Arginine mutants of DmHsp22 are efficient chaperones to retard aggregation of CS and Luc. In summary, this study shows that mutations of arginine to glycine in DmHsp22 ACD induce a number of structural changes, some of which differ from those described in mammalian sHsps. Interestingly, only the R110G-DmHsp22 mutant, and not the expected R109G equivalent to human R140-HspB1, R116-HspB4, and R120-HspB5, showed different structural properties compared with the DmHsp22WT.
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Affiliation(s)
- Afrooz Dabbaghizadeh
- Laboratoire de génétique cellulaire et développementale, Département de biologie moléculaire, de biochimie médicale et de pathologie, Faculté de médecine, Institut de biologie intégrative et des systèmes (IBIS) and PROTEO, Université Laval, Québec, Québec, G1V 0A6, Canada
| | - Stéphanie Finet
- IMPMC UMR7590, CNRS, Sorbonne-Universités, MNHN, IRD, 4 place Jussieu, Paris, France
| | - Genevieve Morrow
- Laboratoire de génétique cellulaire et développementale, Département de biologie moléculaire, de biochimie médicale et de pathologie, Faculté de médecine, Institut de biologie intégrative et des systèmes (IBIS) and PROTEO, Université Laval, Québec, Québec, G1V 0A6, Canada
| | - Mohamed Taha Moutaoufik
- Laboratoire de génétique cellulaire et développementale, Département de biologie moléculaire, de biochimie médicale et de pathologie, Faculté de médecine, Institut de biologie intégrative et des systèmes (IBIS) and PROTEO, Université Laval, Québec, Québec, G1V 0A6, Canada
| | - Robert M Tanguay
- Laboratoire de génétique cellulaire et développementale, Département de biologie moléculaire, de biochimie médicale et de pathologie, Faculté de médecine, Institut de biologie intégrative et des systèmes (IBIS) and PROTEO, Université Laval, Québec, Québec, G1V 0A6, Canada.
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Comparative Proteomic Profiling Reveals Molecular Characteristics Associated with Oogenesis and Oocyte Maturation during Ovarian Development of Bactrocera dorsalis (Hendel). Int J Mol Sci 2017; 18:ijms18071379. [PMID: 28665301 PMCID: PMC5535872 DOI: 10.3390/ijms18071379] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/19/2017] [Accepted: 06/24/2017] [Indexed: 01/16/2023] Open
Abstract
Time-dependent expression of proteins in ovary is important to understand oogenesis in insects. Here, we profiled the proteomes of developing ovaries from Bactrocera dorsalis (Hendel) to obtain information about ovarian development with particular emphasis on differentially expressed proteins (DEPs) involved in oogenesis. A total of 4838 proteins were identified with an average peptide number of 8.15 and sequence coverage of 20.79%. Quantitative proteomic analysis showed that a total of 612 and 196 proteins were differentially expressed in developing and mature ovaries, respectively. Furthermore, 153, 196 and 59 potential target proteins were highly expressed in early, vitellogenic and mature ovaries and most tested DEPs had the similar trends consistent with the respective transcriptional profiles. These proteins were abundantly expressed in pre-vitellogenic and vitellogenic stages, including tropomyosin, vitellogenin, eukaryotic translation initiation factor, heat shock protein, importin protein, vitelline membrane protein, and chorion protein. Several hormone and signal pathway related proteins were also identified during ovarian development including piRNA, notch, insulin, juvenile, and ecdysone hormone signal pathways. This is the first report of a global ovary proteome of a tephritid fruit fly, and may contribute to understanding the complicate processes of ovarian development and exploring the potentially novel pest control targets.
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Economou K, Kotsiliti E, Mintzas AC. Stage and cell-specific expression and intracellular localization of the small heat shock protein Hsp27 during oogenesis and spermatogenesis in the Mediterranean fruit fly, Ceratitis capitata. JOURNAL OF INSECT PHYSIOLOGY 2017; 96:64-72. [PMID: 27756555 DOI: 10.1016/j.jinsphys.2016.10.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 10/12/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
The cell-specific expression and intracellular distribution of the small heat protein Hsp27 was investigated in the ovaries and testes of the Mediterranean fruit fly, Ceratitis capitata (medfly), under both normal and heat shock conditions. For this study, a gfp-hsp27 strain was used to detect the chimeric protein by confocal microscopy. In unstressed ovaries, the protein was expressed throughout egg development in a stage and cell-specific pattern. In germarium, the protein was detected in the cytoplasm of the somatic cells in both unstressed and heat-shocked ovaries. In the early stages of oogenesis of unstressed ovaries, the protein was mainly located in the perinuclear region of the germ cells and in the cytoplasm of the follicle cells, while in later stages (9-10) it was distributed in the cytoplasm of the germ cells. In late stages (12-14), the protein changed localization pattern and was exclusively associated with the nuclei of the somatic cells. In heat shocked ovaries, the protein was mainly located in the nuclei of the somatic cells throughout egg chamber's development. In unstressed testes, the chimeric protein was detected in the nuclei of primary spermatocytes and in the filamentous structures of spermatid bundles, called actin cones. Interestingly, after a heat shock, the protein presented the same cell-specific localization pattern as in unstressed testes. Furthermore, the protein was also detected in the nuclei of the epithelial cells of the deferent duct, the accessory glands and the ejaculatory bulb. Our data suggest that medfly Hsp27 may have cell-specific functions, especially in the nucleus. Moreover, the association of this protein to actin cones during spermatid individualization, suggests a possible role of the protein in the formation and stabilization of actin cones.
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Affiliation(s)
- Katerina Economou
- University of Patras, Department of Biology, University Campus, 26504 Rio, Greece.
| | - Elena Kotsiliti
- University of Patras, Department of Biology, University Campus, 26504 Rio, Greece.
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Morrow G, Kim HJ, Pellerito O, Bourrelle-Langlois M, Le Pécheur M, Groebe K, Tanguay RM. Changes in Drosophila mitochondrial proteins following chaperone-mediated lifespan extension confirm a role of Hsp22 in mitochondrial UPR and reveal a mitochondrial localization for cathepsin D. Mech Ageing Dev 2016; 155:36-47. [PMID: 26930296 DOI: 10.1016/j.mad.2016.02.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 01/20/2016] [Accepted: 02/25/2016] [Indexed: 10/22/2022]
Abstract
Hsp22 is a small mitochondrial heat shock protein (sHSP) preferentially up-regulated during aging in Drosophila melanogaster. Its developmental expression is strictly regulated and it is rapidly induced in conditions of stress. Hsp22 is one of the few sHSP to be localized inside mitochondria, and is the first sHSP to be involved in the mitochondrial unfolding protein response (UPR(MT)) together with Hsp60, mitochondrial Hsp70 and TRAP1. The UPR(MT) is a pro-longevity mechanism, and interestingly Hsp22 over-expression by-itself increases lifespan and resistance to stress. To unveil the effect of Hsp22 on the mitochondrial proteome, comparative IEF/SDS polyacrylamide 2D gels were done on mitochondria from Hsp22+ flies and controls. Among the proteins influenced by Hsp22 expression were proteins from the electron transport chain (ETC), the TCA cycle and mitochondrial Hsp70. Hsp22 co-migrates with ETC components and its over-expression is associated with an increase in mitochondrial protease activity. Interestingly, the only protease that showed significant changes upon Hsp22 over-expression in the comparative IEF/SDS-PAGE analysis was cathepsin D, which is localized in mitochondria in addition to lysosome in D. melanogaster as evidenced by cellular fractionation. Together the results are consistent with a role of Hsp22 in the UPR(MT) and in mitochondrial proteostasis.
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Affiliation(s)
- Geneviève Morrow
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada
| | - Hyun-Ju Kim
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada
| | - Ornella Pellerito
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada
| | - Maxime Bourrelle-Langlois
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada
| | - Marie Le Pécheur
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada
| | | | - Robert M Tanguay
- Laboratoire de Génétique Cellulaire et Développementale, Département de biologie moléculaire, biochimie médicale et pathologie, Institut de Biologie Intégrative et des Systèmes (IBIS) and PROTEO, Université Laval, Québec, G1V 0A6, Canada.
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Wójtowicz I, Jabłońska J, Zmojdzian M, Taghli-Lamallem O, Renaud Y, Junion G, Daczewska M, Huelsmann S, Jagla K, Jagla T. Drosophila small heat shock protein CryAB ensures structural integrity of developing muscles, and proper muscle and heart performance. Development 2015; 142:994-1005. [PMID: 25715399 DOI: 10.1242/dev.115352] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Molecular chaperones, such as the small heat shock proteins (sHsps), maintain normal cellular function by controlling protein homeostasis in stress conditions. However, sHsps are not only activated in response to environmental insults, but also exert developmental and tissue-specific functions that are much less known. Here, we show that during normal development the Drosophila sHsp CryAB [L(2)efl] is specifically expressed in larval body wall muscles and accumulates at the level of Z-bands and around myonuclei. CryAB features a conserved actin-binding domain and, when attenuated, leads to clustering of myonuclei and an altered pattern of sarcomeric actin and the Z-band-associated actin crosslinker Cheerio (filamin). Our data suggest that CryAB and Cheerio form a complex essential for muscle integrity: CryAB colocalizes with Cheerio and, as revealed by mass spectrometry and co-immunoprecipitation experiments, binds to Cheerio, and the muscle-specific attenuation of cheerio leads to CryAB-like sarcomeric phenotypes. Furthermore, muscle-targeted expression of CryAB(R120G), which carries a mutation associated with desmin-related myopathy (DRM), results in an altered sarcomeric actin pattern, in affected myofibrillar integrity and in Z-band breaks, leading to reduced muscle performance and to marked cardiac arrhythmia. Taken together, we demonstrate that CryAB ensures myofibrillar integrity in Drosophila muscles during development and propose that it does so by interacting with the actin crosslinker Cheerio. The evidence that a DRM-causing mutation affects CryAB muscle function and leads to DRM-like phenotypes in the fly reveals a conserved stress-independent role of CryAB in maintaining muscle cell cytoarchitecture.
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Affiliation(s)
- Inga Wójtowicz
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wrocław, Sienkiewicza 21, Wrocław 50-335, Poland
| | - Jadwiga Jabłońska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wrocław, Sienkiewicza 21, Wrocław 50-335, Poland
| | - Monika Zmojdzian
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
| | - Ouarda Taghli-Lamallem
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
| | - Yoan Renaud
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
| | - Guillaume Junion
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
| | - Malgorzata Daczewska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wrocław, Sienkiewicza 21, Wrocław 50-335, Poland
| | - Sven Huelsmann
- Wellcome Trust/Cancer Research UK Gurdon Institute and Department of Physiology, Development and Neuroscience, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK
| | - Krzysztof Jagla
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
| | - Teresa Jagla
- GReD - INSERM U1103, CNRS UMR6293, Clermont Université, 28, place Henri Dunant, Clermont-Ferrand 63000, France
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Drosophila Small Heat Shock Proteins: An Update on Their Features and Functions. HEAT SHOCK PROTEINS 2015. [DOI: 10.1007/978-3-319-16077-1_25] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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13
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Chen HF, Chen CY, Lin TH, Huang ZW, Chi TH, Ma YS, Wu SB, Wei YH, Hsieh M. The protective roles of phosphorylated heat shock protein 27 in human cells harboring myoclonus epilepsy with ragged-red fibers A8344G mtDNA mutation. FEBS J 2012; 279:2987-3001. [DOI: 10.1111/j.1742-4658.2012.08678.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Zhao M, Shen F, Yin YX, Yang YY, Xiang DJ, Chen Q. Increased Expression of Heat Shock Protein 27 Correlates With Peritoneal Metastasis in Epithelial Ovarian Cancer. Reprod Sci 2012; 19:748-53. [DOI: 10.1177/1933719111432875] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- M. Zhao
- Department of Gynaecology, Wuxi Maternity and Child Health Hospital Affiliated Nanjing Medical University, China
- M. Zhao and F. Shen equally contributed to this work
| | - F. Shen
- The Hospital of Obstetrics and Gynaecology, Fudan University, Shanghai, China
- M. Zhao and F. Shen equally contributed to this work
| | - Y. X. Yin
- Department of Gynaecology, Wuxi Maternity and Child Health Hospital Affiliated Nanjing Medical University, China
| | - Y. Y. Yang
- Department of Gynaecology, Wuxi Maternity and Child Health Hospital Affiliated Nanjing Medical University, China
| | - D. J. Xiang
- Department of Gynaecology, Wuxi Maternity and Child Health Hospital Affiliated Nanjing Medical University, China
| | - Q. Chen
- Department of Gynaecology, Wuxi Maternity and Child Health Hospital Affiliated Nanjing Medical University, China
- The Hospital of Obstetrics and Gynaecology, Fudan University, Shanghai, China
- Department of Obstetrics and Gynaecology, The University of Auckland, New Zealand
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15
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Morrow G, Tanguay RM. Small heat shock protein expression and functions during development. Int J Biochem Cell Biol 2012; 44:1613-21. [PMID: 22502646 DOI: 10.1016/j.biocel.2012.03.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 03/15/2012] [Accepted: 03/19/2012] [Indexed: 11/19/2022]
Abstract
The expression of small heat shock proteins is tightly regulated during development in multiple organisms. As housekeeping proteins, small heat shock proteins help protect cells from apoptosis, stabilize the cytoskeleton and contribute to proteostasis. Consistently, depletion of one small heat shock protein is usually not detrimental due to a certain level of redundancy between the functions of each small heat shock protein. However, while their stress-induced expression is regulated by heat shock factors, their constitutive expression is under the control of other specific transcription factors, suggesting the existence of very specialized functions. This review focuses on the expression patterns and functions of small heat shock proteins in various organisms during development. This article is part of a Directed Issue entitled: Small HSPs in physiology and pathology.
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Affiliation(s)
- Geneviève Morrow
- Laboratory of Cell and Developmental Genetics, Department of Molecular Biology, Medical Biochemistry and Pathology, Institut de Biologie Intégrative et des Systèmes and PROTEO, Université Laval, Québec, Canada G1V 0A6
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16
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Zhang D, Ke L, Mackovicova K, Van Der Want JJL, Sibon OCM, Tanguay RM, Morrow G, Henning RH, Kampinga HH, Brundel BJJM. Effects of different small HSPB members on contractile dysfunction and structural changes in a Drosophila melanogaster model for Atrial Fibrillation. J Mol Cell Cardiol 2011; 51:381-9. [PMID: 21745477 DOI: 10.1016/j.yjmcc.2011.06.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 06/08/2011] [Accepted: 06/10/2011] [Indexed: 11/15/2022]
Abstract
The most common clinical tachycardia, Atrial Fibrillation (AF), is a progressive disease, caused by cardiomyocyte remodeling, which finally results in contractile dysfunction and AF persistence. Recently, we identified a protective role of heat shock proteins (HSPs), especially the small HSPB1 member, against tachycardia remodeling in experimental AF models. Our understanding of tachycardia remodeling and anti-remodeling drugs is currently hampered by the lack of suitable (genetic) manipulatable in vivo models for rapid screening of key targets in remodeling. We hypothesized that Drosophila melanogaster can be exploited to study tachycardia remodeling and protective effects of HSPs by drug treatments or by utilizing genetically manipulated small HSP-overexpressing strains. Tachypacing of Drosophila pupae resulted in gradual and significant cardiomyocyte remodeling, demonstrated by reduced contraction rate, increase in arrhythmic episodes and reduction in heart wall shortening, compared to normal paced pupae. Heat shock, or pre-treatment with HSP-inducers GGA and BGP-15, resulted in endogenous HSP overexpression and protection against tachycardia remodeling. DmHSP23 overexpressing Drosophilas were protected against tachycardia remodeling, in contrast to overexpression of other small HSPs (DmHSP27, DmHSP67Bc, DmCG4461, DmCG7409, and DmCG14207). (Ultra)structural evaluation of the tachypaced heart wall revealed loss of sarcomeres and mitochondrial damage which were absent in tachypaced DmHSP23 overexpressing Drosophila. In addition, tachypacing induced a significant increase in calpain activity, which was prevented in tachypaced Drosophila overexpressing DmHSP23. Tachypacing of Drosophila resulted in cardiomyocyte remodeling, which was prevented by general HSP-inducing treatments and overexpression of a single small HSP, DmHSP23. Thus, tachypaced D. melanogaster can be used as an in vivo model system for rapid identification of novel targets to combat AF associated cardiomyocyte remodeling.
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Affiliation(s)
- Deli Zhang
- Department of Clinical Pharmacology, University Institute for Drug Exploration, University of Groningen, University Medical Center Groningen, The Netherlands
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17
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Carra S, Boncoraglio A, Kanon B, Brunsting JF, Minoia M, Rana A, Vos MJ, Seidel K, Sibon OCM, Kampinga HH. Identification of the Drosophila ortholog of HSPB8: implication of HSPB8 loss of function in protein folding diseases. J Biol Chem 2010; 285:37811-22. [PMID: 20858900 PMCID: PMC2988385 DOI: 10.1074/jbc.m110.127498] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Revised: 09/19/2010] [Indexed: 11/06/2022] Open
Abstract
Protein aggregation is a hallmark of many neuronal disorders, including the polyglutamine disorder spinocerebellar ataxia 3 and peripheral neuropathies associated with the K141E and K141N mutations in the small heat shock protein HSPB8. In cells, HSPB8 cooperates with BAG3 to stimulate autophagy in an eIF2α-dependent manner and facilitates the clearance of aggregate-prone proteins (Carra, S., Seguin, S. J., Lambert, H., and Landry, J. (2008) J. Biol. Chem. 283, 1437-1444; Carra, S., Brunsting, J. F., Lambert, H., Landry, J., and Kampinga, H. H. (2009) J. Biol. Chem. 284, 5523-5532). Here, we first identified Drosophila melanogaster HSP67Bc (Dm-HSP67Bc) as the closest functional ortholog of human HSPB8 and demonstrated that, like human HSPB8, Dm-HSP67Bc induces autophagy via the eIF2α pathway. In vitro, both Dm-HSP67Bc and human HSPB8 protected against mutated ataxin-3-mediated toxicity and decreased the aggregation of a mutated form of HSPB1 (P182L-HSPB1) associated with peripheral neuropathy. Up-regulation of both Dm-HSP67Bc and human HSPB8 protected and down-regulation of endogenous Dm-HSP67Bc significantly worsened SCA3-mediated eye degeneration in flies. The K141E and K141N mutated forms of human HSPB8 that are associated with peripheral neuropathy were significantly less efficient than wild-type HSPB8 in decreasing the aggregation of both mutated ataxin 3 and P182L-HSPB1. Our current data further support the link between the HSPB8-BAG3 complex, autophagy, and folding diseases and demonstrate that impairment or loss of function of HSPB8 might accelerate the progression and/or severity of folding diseases.
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Affiliation(s)
- Serena Carra
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Alessandra Boncoraglio
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Bart Kanon
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Jeanette F. Brunsting
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Melania Minoia
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Anil Rana
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Michel J. Vos
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Kay Seidel
- the Department of Pathology and Medical Biology, University Medical Centre Groningen, Hanzeplein 1, 9713 RB Groningen, The Netherlands
| | - Ody C. M. Sibon
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
| | - Harm H. Kampinga
- From the Department of Radiation and Stress Cell Biology, University Medical Center Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands and
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18
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Tower J. Heat shock proteins and Drosophila aging. Exp Gerontol 2010; 46:355-62. [PMID: 20840862 DOI: 10.1016/j.exger.2010.09.002] [Citation(s) in RCA: 117] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2010] [Revised: 09/02/2010] [Accepted: 09/05/2010] [Indexed: 11/16/2022]
Abstract
Since their discovery in Drosophila, the heat shock proteins (Hsps) have been shown to regulate both stress resistance and life-span. Aging is characterized by increased oxidative stress and the accumulation of abnormal (malfolded) proteins, and these stresses induce Hsp gene expression through the transcription factor HSF. In addition, a subset of Hsps is induced by oxidative stress through the JNK signaling pathway and the transcription factor Foxo. The Hsps counteract the toxicity of abnormal proteins by facilitating protein refolding and turnover, and through other mechanisms including inhibition of apoptosis. The Hsps are up-regulated in tissue-specific patterns during aging, and their expression correlates with, and sometimes predicts, life span, making them ideal biomarkers of aging. The tools available for experimentally manipulating gene function and assaying healthspan in Drosophila provides an unparalleled opportunity to further study the role of Hsps in aging.
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Affiliation(s)
- John Tower
- Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089-2910, USA.
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19
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Tucker NR, Ustyugov A, Bryantsev AL, Konkel ME, Shelden EA. Hsp27 is persistently expressed in zebrafish skeletal and cardiac muscle tissues but dispensable for their morphogenesis. Cell Stress Chaperones 2009; 14:521-33. [PMID: 19238587 PMCID: PMC2728285 DOI: 10.1007/s12192-009-0105-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2008] [Revised: 01/29/2009] [Accepted: 02/05/2009] [Indexed: 11/29/2022] Open
Abstract
Constitutive expression of Hsp27 has been demonstrated in vertebrate embryos, especially in developing skeletal and cardiac muscle. Results of several previous studies have indicated that Hsp27 could play a role in the development of these tissues. For example, inhibition of Hsp27 expression has been reported to cause defective development of mammalian myoblasts in vitro and frog embryos in vivo. In contrast, transgenic mice lacking Hsp27 develop normally. Here, we examined the distribution of Hsp27 protein in developing and adult zebrafish and effects of suppressing Hsp27 expression using phosphorodiamidate morpholino oligonucleotides (PMO) on zebrafish development. Consistent with our previous analysis of hsp27 messenger RNA expression, we detected the protein Hsp27 in cardiac, smooth, and skeletal muscle of both embryonic and adult zebrafish. However, embryos lacking detectable Hsp27 after injection of antisense hsp27 PMO exhibited comparable heart beat rates to that of control embryos and cardiac morphology was indistinguishable in the presence or absence of Hsp27. Loss of Hsp27 also had no effect on the structure of the skeletal muscle myotomes in the developing embryo. Finally, embryos injected with antisense hsp27 and scrambled control PMO displayed equal motility. We conclude that Hsp27 is dispensable for zebrafish morphogenesis but could play a role in long-term maintenance of heart and muscle tissues.
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Affiliation(s)
- Nathan R. Tucker
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164 USA
| | - Alexey Ustyugov
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164 USA
| | - Anton L. Bryantsev
- Department of Biology, University of New Mexico, Albuquerque, NM 87131 USA
| | - Michael E. Konkel
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164 USA
| | - Eric. A. Shelden
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164 USA
- Center for Reproductive Biology, Washington State University, Pullman, WA 99164 USA
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20
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Kokolakis G, Tatari M, Zacharopoulou A, Mintzas AC. The hsp27 gene of the Mediterranean fruit fly, Ceratitis capitata: structural characterization, regulation and developmental expression. INSECT MOLECULAR BIOLOGY 2008; 17:699-710. [PMID: 19133079 DOI: 10.1111/j.1365-2583.2008.00840.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In the present study, a genomic DNA clone encoding the medfly homolog of Drosophila melanogaster hsp27 gene, named Cchsp27, was isolated. We sequenced a part of the clone containing the coding region, the 5' untranslated region and approximately 2.8 Kb of the 5' flanking region of the gene. Phylogenetic analysis of several insect small heat shock proteins, suggested that CcHsp27 is orthologous to Drosophila Hsp27 and Sarcophaga crassipalpis Hsp25. The Cchsp27 gene was mapped at the 81A division of the sixth chromosome which coincides with one of the major heat shock puffs of medfly. Structural analysis of the 5' flanking region of the Cchsp27 gene revealed the presence of five putative heat shock elements and one putative ecdysone response element. In addition to heat induction, the Cchsp27 gene was expressed at several stages of normal medfly development. In general, the developmental expression pattern of the Cchsp27 gene was similar to the respective pattern of Drosophila hsp27 gene. However, there were some important differences in certain developmental stages suggesting differential regulation of the hsp27 gene in the two dipterans species. Salivary gland culture experiments showed that the Cchsp27 gene is regulated by 20-hydroxyecdysone.
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Affiliation(s)
- G Kokolakis
- Division of Genetics, Cell and Developmental Biology, Department of Biology, University of Patras, Patras, Greece
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21
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Michaud S, Lavoie S, Guimond MO, Tanguay RM. The nuclear localization of Drosophila Hsp27 is dependent on a monopartite arginine-rich NLS and is uncoupled from its association to nuclear speckles. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2008; 1783:1200-10. [DOI: 10.1016/j.bbamcr.2008.01.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2007] [Revised: 01/21/2008] [Accepted: 01/23/2008] [Indexed: 11/30/2022]
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22
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Bryantsev AL, Chechenova MB, Shelden EA. Recruitment of phosphorylated small heat shock protein Hsp27 to nuclear speckles without stress. Exp Cell Res 2006; 313:195-209. [PMID: 17123510 PMCID: PMC1893088 DOI: 10.1016/j.yexcr.2006.10.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2006] [Revised: 09/09/2006] [Accepted: 10/04/2006] [Indexed: 11/21/2022]
Abstract
During stress, the mammalian small heat shock protein Hsp27 enters cell nuclei. The present study examines the requirements for entry of Hsp27 into nuclei of normal rat kidney (NRK) renal epithelial cells, and for its interactions with specific nuclear structures. We find that phosphorylation of Hsp27 is necessary for the efficient entry into nuclei during heat shock but not sufficient for efficient nuclear entry under control conditions. We further report that Hsp27 is recruited to an RNAse sensitive fraction of SC35 positive nuclear speckles, but not other intranuclear structures, in response to heat shock. Intriguingly, Hsp27 phosphorylation, in the absence of stress, is sufficient for recruitment to speckles found in post-anaphase stage mitotic cells. Additionally, pseudophosphorylated Hsp27 fused to a nuclear localization peptide (NLS) is recruited to nuclear speckles in unstressed interphase cells, but wildtype and nonphosphorylatable Hsp27 NLS fusion proteins are not. The expression of NLS-Hsp27 mutants does not enhance colony forming abilities of cells subjected to severe heat shock, but does regulate nuclear speckle morphology. These data demonstrate that phosphorylation, but not stress, mediates Hsp27 recruitment to an RNAse soluble fraction of nuclear speckles and support a site-specific role for Hsp27 within the nucleus.
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Affiliation(s)
- A L Bryantsev
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164-4234, USA
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23
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Morrow G, Heikkila JJ, Tanguay RM. Differences in the chaperone-like activities of the four main small heat shock proteins of Drosophila melanogaster. Cell Stress Chaperones 2006; 11:51-60. [PMID: 16572729 PMCID: PMC1400613 DOI: 10.1379/csc-166.1] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The Drosophila melanogaster family of small heat shock proteins (sHsps) is composed of 4 main members (Hsp22, Hsp23, Hsp26, and Hsp27) that display distinct intracellular localization and specific developmental patterns of expression in the absence of stress. In an attempt to determine their function, we have examined whether these 4 proteins have chaperone-like activity using various chaperone assays. Heat-induced aggregation of citrate synthase was decreased from 100 to 17 arbitrary units in the presence of Hsp22 and Hsp27 at a 1:1 molar ratio of sHsp to citrate synthase. A 5 M excess of Hsp23 and Hsp26 was required to obtain the same efficiency with either citrate synthase or luciferase as substrate. In an in vitro refolding assay with reticulocyte lysate, more than 50% of luciferase activity was recovered when heat denaturation was performed in the presence of Hsp22, 40% with Hsp27, and 30% with Hsp23 or Hsp26. These differences in luciferase reactivation efficiency seemed related to the ability of sHsps to bind their substrate at 42 degrees C, as revealed by sedimentation analysis of sHsp and luciferase on sucrose gradients. Therefore, the 4 main sHsps of Drosophila share the ability to prevent heat-induced protein aggregation and are able to maintain proteins in a refoldable state, although with different efficiencies. The functional reasons for their distinctive cell-specific pattern of expression could reflect the existence of defined substrates for each sHsp within the different intracellular compartments.
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Affiliation(s)
- Geneviève Morrow
- Laboratoire de génétique cellulaire et développementale, Dép. de Médecine, CREFSIP, Pav. C.E.-Marchand, Université Laval, Québec, QC GI K 7P4, Canada
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24
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Alonso J, Rodriguez JM, Baena-López LA, Alonso MT, Santarén JF. Constitutive expression of heat shock protein p23 correlates with proneural territories in imaginal discs ofDrosophila melanogaster. Proteomics 2005; 5:3604-13. [PMID: 16121335 DOI: 10.1002/pmic.200401211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
2-DE followed by MALDI-TOF was used to purify and identify a Drosophila protein (catalogued as SSP 6002) that showed marked differences in the level of expression in the different imaginal discs of third instar larvae. Fingerprinting showed that the spot of interest was the heat shock 23 polypeptide (hsp23). We characterized the kinetics of its induction by heat shock in wing imaginal discs and raised an antiserum against the denatured protein, which recognizes a single unphosphorylated spot on 2-D gels. The difference in its expression in discs was corroborated by analyzing its level in the imaginal discs of postbithorax mutants. We also investigated the developmental expression of hsp23 in imaginal discs with antiserum raised against the native protein. Its spatial and temporal pattern of expression is related to the proneural territories and maintained even under heat shock conditions. In addition, its pattern of expression is regulated by transcription factors and signaling pathways (notch and epidermal growth factor receptor) involved in proneural specification.
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Affiliation(s)
- Jana Alonso
- Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Universidad Autónoma de Madrid, Cantoblanco, Madrid, Spain
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25
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Michaud S, Tanguay RM. Expression of the Hsp23 chaperone during Drosophila embryogenesis: association to distinct neural and glial lineages. BMC DEVELOPMENTAL BIOLOGY 2003; 3:9. [PMID: 14617383 PMCID: PMC293469 DOI: 10.1186/1471-213x-3-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2003] [Accepted: 11/14/2003] [Indexed: 11/28/2022]
Abstract
Background In addition to their strong induction following stress, small heat shock proteins (Hsp) are also expressed during development in a wide variety of organisms. However, the precise identity of cell(s) expressing these proteins and the functional contribution of small heat shock proteins in such developmental context remain to be determined. The present study provides a detailed description of the Drosophila small heat shock protein Hsp23 expression pattern during embryogenesis and evaluates its functional contribution to central nervous system development. Results Throughout embryogenesis, Hsp23 is expressed in a stage-specific manner by a restricted number of neuronal and glial lineages of the central nervous system. Hsp23 is also detected in the amnioserosa and within a single lateral chordotonal organ. Its expression within the MP2 lineage does not require the presence of a functional midline nor the activity of the Notch signaling pathway. Transactivation assays demonstrate that transcription factors implicated in the differentiation of the midline also regulate hsp23 promoter activity. Phenotypic analysis of a transgenic line exhibiting loss of Hsp23 expression in the central nervous system suggests that Hsp23 is not required for development and function of this tissue. Likewise, its overexpression does not cause deleterious effects, as development remains unaffected. Conclusions Based on the presented data, we suggest that the tightly regulated developmental expression of Hsp23 is not actively involved in cell differentiation and central nervous system development per se but rather reflects a putative role in preventive "pre-stress" neuroprotection or in non-vital process(es) common to the identified cell lineages.
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Affiliation(s)
- Sébastien Michaud
- Laboratoire de Génétique Cellulaire et Développementale, Département de Médecine, Pavillon Marchand, Université Laval, Ste-Foy, Québec, Canada, G1K 7P4
- Current address: Brigham and Women's Hospital / Harvard Medical School, Department of Medicine, Division of Genetics, Harvard Medical School New Research Building, 77 Avenue Louis Pasteur, Boston, USA, 02115
| | - Robert M Tanguay
- Laboratoire de Génétique Cellulaire et Développementale, Département de Médecine, Pavillon Marchand, Université Laval, Ste-Foy, Québec, Canada, G1K 7P4
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Abstract
Heat shock proteins (Hsps) are conserved molecular chaperones that are upregulated following exposure to environmental stress and during aging. The mechanisms underlying the aging process are only beginning to be understood. The beneficial effects of Hsps on aging revealed in mild stress and overexpression experiments suggest that these proteins are part of an important cell protection system rather than being unspecific molecular chaperones. Among the Hsps families, small Hsps have the greatest influence on aging and the modulation of their expression during aging in Drosophila suggest that they are involved in pathways of longevity determination.
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Affiliation(s)
- Geneviève Morrow
- Laboratory of Cellular and Developmental Genetics, Department of Medicine and CREFSIP, Université Laval, Pavillon C.E. Marchand, Ste-Foy, Que., Canada G1K 7P4
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27
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Edwards RG. Ovarian differentiation and human embryo quality. 1. Molecular and morphogenetic homologies between oocytes and embryos in Drosophila, C. elegans, Xenopus and mammals. Reprod Biomed Online 2003; 3:138-160. [PMID: 12513877 DOI: 10.1016/s1472-6483(10)61983-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Knowledge on the formation of oocytes and follicles in Drosophila, C. elegans and Xenopus, and the genetic regulation of polarities and embryo growth, has been related to comparable data in mammalian oocytes and embryos. Initially, details of the nature of the regulatory processes in the non-mammals are described, with considerable attention being paid to the role of individual genes and their specific functions. The molecular genetic aspects of these developmental processes are discussed in detail. Attention then turns to mammals, to identify, describe and evaluate their homologies with the lower animals and flies. Several of these homologies are described, including genes regulating primary ovarian failure and various aspects of early embryonic growth. The polarized distribution of genes in mammalian oocytes and embyros is discussed, together with the implications in the form of differentiation in the early embryo. Morphogenetic systems operative during follicle maturation, fertilization and cleavage are described and related to similar processes in lower forms. These events include ooplasmic and pronuclear rotations, the form of ooplasmic inheritance in early blastomeres and the establishment of embryonic axes. Models of early mammalian development are considered.
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Affiliation(s)
- R. G. Edwards
- Editorial Office, Reproductive BioMedicine Online, Duck End Farm, Dry Drayton, Cambridge CB3 8DB, UK
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Michaud S, Morrow G, Marchand J, Tanguay RM. Drosophila small heat shock proteins: cell and organelle-specific chaperones? PROGRESS IN MOLECULAR AND SUBCELLULAR BIOLOGY 2002; 28:79-101. [PMID: 11908067 DOI: 10.1007/978-3-642-56348-5_5] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Sébastien Michaud
- Laboratory of Cell and Developmental Genetics, Department of Medicine, Pavillon Marchand, Université Laval, Ste-Foy, Québec, G1K 7P4, Canada
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Van Montfort R, Slingsby C, Vierling E. Structure and function of the small heat shock protein/alpha-crystallin family of molecular chaperones. ADVANCES IN PROTEIN CHEMISTRY 2002; 59:105-56. [PMID: 11868270 DOI: 10.1016/s0065-3233(01)59004-x] [Citation(s) in RCA: 300] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- R Van Montfort
- Department of Crystallography, Birkbeck College, Malet Street, London WC1E 7HX, United Kingdom
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Onishi T, Tsubone H, Ooshima T, Sobue S, El-Sharaby A, Wakisaka S. Immunohistochemical localization of heat shock protein 25 (HSP 25) during root formation of the rat molar. THE ANATOMICAL RECORD 2002; 267:321-9. [PMID: 12124910 DOI: 10.1002/ar.10128] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The present study investigated the immunohistochemical localization of heat shock protein 25 (HSP 25) of rat molar teeth during root formation. Most, probably all, cells of the epithelial rest of Malassez (ERM cells) had immunoreaction for laminin, a marker protein for basement membrane. During root formation, HSP 25 immunoreactivity was observed in odontoblasts, cells at the subodontoblastic layer, and those in close proximity to the acellular cementum. HSP 25-immunopositive cells at the subodontoblastic layer were present only at the apical region. Most HSP 25-immunoreactive cells in close proximity to the cementum lacked laminin immunoreactivity. However, at postnatal day 28 a small number of cells showed immunoreaction for both HSP 25 and laminin at the cervical and bifurcational regions. Under the electron microscope, most HSP 25-immunoreactive cells along the surface of the cementum were round and contained rich organelles such as mitochondria and rough endoplasmic reticulum. They lay between fiber bundles of the periodontal ligament. The localization and morphological features of these HSP 25-immunoreactive cells resemble those of cementoblasts. On the other hand, HSP 25-immunoreactive cells at the cervical region were oval and contained few cell organelles. They were closely apposed to each other, and separated from the surrounding tissues with basal lamina. These features were similar to those of mature ERM cells. In contrast, cells with microvillus-like processes and relatively rich mitochondria, which were similar to immature ERM cells, had no immunoreaction for HSP 25. These results suggest that HSP 25 may be involved in shape alterations of ERM cells, cementoblasts, and odontoblasts during differentiation.
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Affiliation(s)
- Tomoyuki Onishi
- Department of Pediatric Dentistry, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
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Morrow G, Inaguma Y, Kato K, Tanguay RM. The small heat shock protein Hsp22 of Drosophila melanogaster is a mitochondrial protein displaying oligomeric organization. J Biol Chem 2000; 275:31204-10. [PMID: 10896659 DOI: 10.1074/jbc.m002960200] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Drosophila melanogaster has four main small heat shock proteins (Hsps), D. melanogaster Hsp22 (DmHsp22), Hsp23 (DmHsp23), Hsp26 (DmHsp26), and Hsp27 (DmHsp27). These proteins, although they have high sequence homology, show distinct developmental expression patterns. The function(s) of each small heat shock protein is unknown. DmHsp22 is shown to localize in mitochondria both in D. melanogaster S2 cells and after heterologous expression in mammalian cells. Fractionation of mitochondria indicates that DmHsp22 resides in the mitochondrial matrix, where it is found in oligomeric complexes, as shown by sedimentation and gel filtration analysis and by cross-linking experiments. Deletion analysis using a DmHsp22-EGFP construct reveals that residues 1-17 and an unknown number of residues between 17-28 are necessary for import. Site-directed mutagenesis within a putative mitochondrial motif (WRMAEE) at positions 8-13 shows that the first four residues are necessary for mitochondrial localization. Immunoprecipitation results indicate that there is no interaction between DmHsp22 and the other small heat shock proteins. The mitochondrial localization of this small Hsp22 of Drosophila and its high level of expression in aging suggests a role for this small heat shock protein in protection against oxidative stress.
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Affiliation(s)
- G Morrow
- Laboratoire de Génétique Cellulaire et Développementale, Département de Médecine, Pavillon Marchand, Université Laval, Ste-Foy, Quebec G1K 7P4, Canada
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Ding L, Candido EP. Association of several small heat-shock proteins with reproductive tissues in the nematode Caenorhabditis elegans. Biochem J 2000; 351:13-7. [PMID: 11001875 PMCID: PMC1221361 DOI: 10.1042/0264-6021:3510013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Immunohistochemical data on 10 of the 14 small heat-shock (smHSPs) proteins in fourth larval stage and adult Caenorhabditis elegans show that the tissues expressing the greatest number of smHSPs are vulva (HSP12s, HSP43 and, under stress, HSP16s) and spermatheca (HSP12s, HSP25, HSP43 and, under stress, HSP16s). HSP43 is also expressed in male tail structures, and following heat-shock HSP16s are expressed in spermatids and spermatozoa.
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Affiliation(s)
- L Ding
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada V6T 1Z3
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Suzanne M, Irie K, Glise B, Agnès F, Mori E, Matsumoto K, Noselli S. The Drosophila p38 MAPK pathway is required during oogenesis for egg asymmetric development. Genes Dev 1999; 13:1464-74. [PMID: 10364162 PMCID: PMC316763 DOI: 10.1101/gad.13.11.1464] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
In mammalian cells, the p38 mitogen-activated protein kinase (MAPK) pathway is activated in response to a variety of environmental stresses and inflammatory stimuli. However, the role of p38 MAPK signaling in unchallenged conditions remains largely unknown. We have isolated mutations in a Drosophila p38 MAPKK gene homolog, licorne (lic), and show that during oogenesis, lic is required in the germ line for correct asymmetric development of the egg. In lic mutant egg chambers, oskar mRNA posterior localization is not properly maintained, resulting in anteroposterior patterning defects in the embryo. Furthermore, lic loss-of-function in the germ line leads to reduced EGF receptor activity in dorsal follicle cells and ventralization of the egg shell. Both these defects are associated with a diminution of gurken protein levels in the oocyte. Our phenotypic data argue for a role of lic in a post-transcriptional regulation of the grk gene. Furthermore, they show that in addition to the well-characterized Ras/Raf/ERK MAPK pathway acting in the follicle cells, another related signaling cascade, the p38 MAPK pathway, is required in the germ line for correct axes determination. These results provide the first genetic demonstration of an essential function for a p38 pathway during development.
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Affiliation(s)
- M Suzanne
- Centre de Biologie du Développement, UMR5547 Centre National de la Recherche Scientifique (CNRS), 31062 Toulouse Cedex, France
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Joanisse DR, Michaud S, Inaguma Y, Tanguay RM. Small heat shock proteins ofDrosophila: Developmental expression and functions. J Biosci 1998. [DOI: 10.1007/bf02936130] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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