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Li YY, Deligeer, Liu J, Shi K. Genome-wide identification and coexpression network analysis of heat shock protein superfamily in Apolygus lucorum. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2024; 116:e22145. [PMID: 39183528 DOI: 10.1002/arch.22145] [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: 05/02/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 08/27/2024]
Abstract
Heat shock proteins (Hsp) function as crucial molecular chaperones, playing pivotal roles in insects' response to stress stimuli. Apolygus lucorum, known for its broad spectrum of host plants and significant crop damage potential, presents a compelling subject for understanding stress response mechanisms. Hsp is important for A. lucorum to tolerate temperature and insecticide stress and may be involved in the formation of resistance to the interactive effects of temperature and insecticide. Here, we employed comprehensive genomic approaches to identify Hsp superfamily members in its genome. In total, we identified 42 Hsp genes, including 3 Hsp90, 16 Hsp70, 13 Hsp60, and 10 Hsp20. Notably, we conducted motif analysis and gene structures for Hsp members, which suggested the same families are relatively conserved. Furthermore, leveraging the weighted gene coexpression network analysis, we observed diverse expression patterns of different Hsp types across various tissues, with certain Hsp70 showing tissue-specific bias. Noteworthy among the highly expressed Hsp genes was testis-specific, which may serve as a pivotal hub gene regulating the gene network. Our findings shed light on the molecular evolutionary dynamics and temperature stress response mechanisms of Hsp genes in A. lucorum, offering insights into its adaptive strategies and potential targets for pest management.
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Affiliation(s)
- Yuan-Yuan Li
- College of Grassland Science, Inner Mongolia Minzu University, Tongliao, China
| | - Deligeer
- College of Grassland Science, Inner Mongolia Minzu University, Tongliao, China
| | - Jing Liu
- College of Grassland Science, Inner Mongolia Minzu University, Tongliao, China
| | - Kai Shi
- College of Grassland Science, Inner Mongolia Minzu University, Tongliao, China
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2
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Amstrup AB, Kovac H, Käfer H, Stabentheiner A, Sørensen JG. The heat shock response in Polistes spp. brood from differing climates following heat stress. JOURNAL OF INSECT PHYSIOLOGY 2024; 156:104667. [PMID: 38914156 DOI: 10.1016/j.jinsphys.2024.104667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/10/2024] [Accepted: 06/21/2024] [Indexed: 06/26/2024]
Abstract
Temperature is a crucial factor in many physiological processes, especially in small ectotherms whose body temperature is highly influenced by ambient temperature. Polistes (paper wasps) is a genus of primitively eusocial wasps found in widely varying thermal environments throughout the world. Paper wasps construct open-faced combs in which the brood is exposed to varying ambient temperatures. The Heat Shock Response is a physiological mechanism that has been shown to help cope with thermal stress. We investigated the expression of heat shock proteins in different life stages of three species of Polistes from different climates with the aim of deducing adaptive patterns. This was done by assaying heat shock protein (hsp70, hsp83, hsc70) expression during control conditions (25 °C) or a heat insult (35 or 45 °C) in individuals collected from natural populations in Alpine, Temperate, or Mediterranean climates. Basal expression of hsc70 and hsp83 was found to be high, while hsp70 and hsp83 expression was found to be highly responsive to severe heat stress. As expression levels varied based on species, geographical origin, and life stage as well as between heat shock proteins, the Heat Shock Response of Polistes was found to be complex. The results suggest that adaptive utilization of the heat shock response contributes to the ability of Polistes spp. to inhabit widely different thermal environments.
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Affiliation(s)
- A B Amstrup
- Institute of Biology, University of Graz, Graz, Austria; Department of Biology, Aarhus University, Aarhus, Denmark.
| | - H Kovac
- Institute of Biology, University of Graz, Graz, Austria.
| | - H Käfer
- Institute of Biology, University of Graz, Graz, Austria
| | | | - J G Sørensen
- Department of Biology, Aarhus University, Aarhus, Denmark
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3
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Li Y, Yu Y, Li Y, Wang H, Li Q. Molecular evolution of the heat shock protein family and the role of HSP30 in immune response and wound healing in lampreys (Lethenteron reissneri). FISH & SHELLFISH IMMUNOLOGY 2024; 145:109323. [PMID: 38147915 DOI: 10.1016/j.fsi.2023.109323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 12/02/2023] [Accepted: 12/19/2023] [Indexed: 12/28/2023]
Abstract
Heat shock proteins (HSPs) are molecular chaperones that ubiquitously exist in various organisms and play essential roles in protein folding, transport, and expression. While most HSPs are highly conserved across species, a few HSPs are evolutionarily distinct in some species and may have unique functions. To explore the evolutionary history of the vertebrate HSP family, we identify members of the HSP family at the genome-wide level in lampreys (Lethenteron reissneri), a living representative of jawless vertebrates diverged from jawed vertebrates over 500 million years ago. The phylogenetic analysis reveals that the lamprey HSP family contains HSP90a1, HSP90a2, HSC70, HSP60, HSP30, HSP27, HSP17, and HSP10, which have a primitive status in the molecular evolution of vertebrate HSPs. Transcriptome analysis reveals the expression distribution of members of the HSP family in various tissues of lampreys. It is shown that HSP30, normally found in birds, amphibians, and fish, is also present in lampreys, with remarkable expansion of HSP30 gene copies in the lamprey genome. The transcription of HSP30 is significantly induced in leukocytes and heart of lampreys during various pathogens or poly(I:C) stimulation, indicating that HSP30 may be involved in the immune defense of lampreys in response to bacterial or viral infection. Immunohistochemistry demonstrates significantly increased HSP30 expression in subcutaneous muscle tissue after skin injury in lamprey models of wound repair. Furthermore, transcriptome analysis shows that ectopic expression of HSP30 in 3T3-L1 fibroblasts affect the expression of genes related to the PI3K-AKT signaling pathway, suggesting that HSP30 could serves as a negative regulator of fibrosis. These results indicate that HSP30 may play a critical role in facilitating the process of lamprey skin repair following injury. This study provides new insights into the origin and evolution of the HSP gene family in vertebrates and offers valuable clues to reveal the important role of HSP30 in immune defense and wound healing of lampreys.
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Affiliation(s)
- Yao Li
- School of Life Science, Liaoning Normal University, Dalian, China; Lamprey Research Center, Liaoning Normal University, Dalian, China; College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, China
| | - Yang Yu
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Yuting Li
- School of Life Science, Liaoning Normal University, Dalian, China
| | - Hao Wang
- School of Life Science, Liaoning Normal University, Dalian, China; Lamprey Research Center, Liaoning Normal University, Dalian, China.
| | - Qingwei Li
- School of Life Science, Liaoning Normal University, Dalian, China; Lamprey Research Center, Liaoning Normal University, Dalian, China.
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Abou-Shaara HF. The response of heat shock proteins in honey bees to abiotic and biotic stressors. J Therm Biol 2024; 119:103784. [PMID: 38232472 DOI: 10.1016/j.jtherbio.2024.103784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
Honey bees, Apis mellifera, are the most important managed pollinators worldwide. They are highly impacted by various abiotic and biotic stressors, especially temperature extremes, which can lead to cellular damage and death. The induction of heat shock proteins (HSPs) has been recorded in honey bees as a response to various types of stressors. HSPs are classified into different gene families according to their molecular weights. HSPs play an important role in maintaining cellular protein homeostasis due to their contribution as molecular chaperones or co-chaperones. HSPs in honey bees have complex functions with induction even under normal colony conditions. Previous studies have suggested various functions of HSPs to protect cells from damage under exposure to environmental stressors, pollutants, and pathogens. Surprisingly, HSPs have also been found to play roles in larval development and age-related tasks. The expression of HSPs varies depending on tissue type, developmental stage, age, and stress period. This article reviews studies on HSPs (sHSPs, HSP40, HSP60, HSP70, and HSP90) in honey bees and highlights gaps in the available knowledge. This review is crucial for honey bee research, particularly in the face of climate change challenges.
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Affiliation(s)
- Hossam F Abou-Shaara
- Department of Plant Protection, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt.
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Ashe‐Jepson E, Arizala Cobo S, Basset Y, Bladon AJ, Kleckova I, Laird‐Hopkins BC, Mcfarlane A, Sam K, Savage AF, Zamora AC, Turner EC, Lamarre GPA. Tropical butterflies use thermal buffering and thermal tolerance as alternative strategies to cope with temperature increase. J Anim Ecol 2023; 92:1759-1770. [PMID: 37438871 PMCID: PMC10953451 DOI: 10.1111/1365-2656.13970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 05/23/2023] [Indexed: 07/14/2023]
Abstract
Climate change poses a severe threat to many taxa, with increased mean temperatures and frequency of extreme weather events predicted. Insects can respond to high temperatures using behaviour, such as angling their wings away from the sun or seeking cool local microclimates to thermoregulate or through physiological tolerance. In a butterfly community in Panama, we compared the ability of adult butterflies from 54 species to control their body temperature across a range of air temperatures (thermal buffering ability), as well as assessing the critical thermal maxima for a subset of 24 species. Thermal buffering ability and tolerance were influenced by family, wing length, and wing colour, with Pieridae, and butterflies that are large or darker in colour having the strongest thermal buffering ability, but Hesperiidae, small, and darker butterflies tolerating the highest temperatures. We identified an interaction between thermal buffering ability and physiological tolerance, where species with stronger thermal buffering abilities had lower thermal tolerance, and vice versa. This interaction implies that species with more stable body temperatures in the field may be more vulnerable to increases in ambient temperatures, for example heat waves associated with ongoing climate change. Our study demonstrates that tropical species employ diverse thermoregulatory strategies, which is also reflected in their sensitivity to temperature extremes.
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Affiliation(s)
| | | | - Yves Basset
- ForestGEOSmithsonian Tropical Research InstitutePanamaRepublic of Panama
- Biology Centre of the Czech Academy of SciencesInstitute of EntomologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
- Maestria de EntomologiaUniversity of PanamaPanamaRepublic of Panama
| | | | - Irena Kleckova
- Biology Centre of the Czech Academy of SciencesInstitute of EntomologyČeské BudějoviceCzech Republic
| | - Benita C. Laird‐Hopkins
- Biology Centre of the Czech Academy of SciencesInstitute of EntomologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
- Smithsonian Tropical Research InstitutePanamaRepublic of Panama
| | - Alex Mcfarlane
- ForestGEOSmithsonian Tropical Research InstitutePanamaRepublic of Panama
| | - Katerina Sam
- Biology Centre of the Czech Academy of SciencesInstitute of EntomologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
| | - Amanda F. Savage
- ForestGEOSmithsonian Tropical Research InstitutePanamaRepublic of Panama
| | - Ana Cecilia Zamora
- ForestGEOSmithsonian Tropical Research InstitutePanamaRepublic of Panama
| | | | - Greg P. A. Lamarre
- ForestGEOSmithsonian Tropical Research InstitutePanamaRepublic of Panama
- Biology Centre of the Czech Academy of SciencesInstitute of EntomologyČeské BudějoviceCzech Republic
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De Lange R, Kleine J, Hampe F, Asselman P, Manz C, De Crop E, Delgat L, Adamčík S, Verbeken A. Stop black and white thinking: Russula subgenus Compactae ( Russulaceae, Russulales) in Europe revised. PERSOONIA 2023; 51:152-193. [PMID: 38665979 PMCID: PMC11041895 DOI: 10.3767/persoonia.2023.51.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 02/10/2023] [Indexed: 04/28/2024]
Abstract
Russula subgenus Compactae is a group of ectomycorrhizal basidiomycetes, usually with large pileate fruitbodies. European members of the group are characterised by the absence of bright colours on the surfaces of their pilei, the context turning grey to black after cutting, the abundance of short lamellulae in the hymenophore, and spores with an inamyloid suprahilar spot and with low reticulate ornamentation. Our multi-locus phylogenetic study confirmed that this morphological delimitation corresponds to a well-supported clade. Within this clade, 16 species are recognised in Europe, of which five belong to the R. albonigra lineage and were described in a previous study, while eleven are fully described in this study. The application of the names R. acrifolia, R. adusta, R. anthracina, R. atramentosa, R. densissima, R. nigricans and R. roseonigra is based on the position of sequences retrieved from types or authentic material. Based on type sequences, R. fuliginosa is synonymised with R. anthracina and two varieties of R. anthracina are considered synonyms of R. atramentosa. The application of the name R. densifolia is based on a morphological match with the traditional species interpretation and the neotype specimen. Three species are described as new, R. marxmuelleriana sp. nov., R. picrophylla sp. nov. and R. thuringiaca sp. nov. This study recognises three major lineages and two species with isolated positions within the European Compactae and a morphological barcode was assigned to the species using an analysis of 23 selected characters. A search of publicly available sequences from the UNITE database revealed that the majority of species are host tree generalists and widely distributed in temperate and Mediterranean areas of Europe. Russula adusta is the only species so far proven to form ectomycorrhiza exclusively with conifers. Citation: De Lange R, Kleine J, Hampe F, et al. 2023. Stop black and white thinking: Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised. Persoonia 51: 152-193. doi: 10.3767/persoonia.2023.51.04.
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Affiliation(s)
- R. De Lange
- Ghent University, Department of Biology, Research Group Mycology, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - J. Kleine
- Am Lindenhof 9, 04277 Leipzig, Germany
| | - F. Hampe
- Wetzlarer Straße 1,35510 Butzbach, Germany
| | - P. Asselman
- Ghent University, Department of Biology, Research Group Mycology, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - C. Manz
- Goethe University, Faculty of Biological Sciences, Research Group Mycology, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany
| | - E. De Crop
- Ghent University, Department of Biology, Research Group Mycology, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - L. Delgat
- Ghent University, Department of Biology, Research Group Mycology, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
- Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium
| | - S. Adamčík
- Slovak Academy of Sciences, Plant Science and Biodiversity Centre, Institute of Botany, Dúbravská cesta 9, 845 23 Bratislava, Slovakia
- Comenius University Bratislava, Faculty of Natural Sciences, Department of Botany, Révová 39, 81102 Bratislava, Slovakia
| | - A. Verbeken
- Ghent University, Department of Biology, Research Group Mycology, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
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Ware-Gilmore F, Novelo M, Sgrò CM, Hall MD, McGraw EA. Assessing the role of family level variation and heat shock gene expression in the thermal stress response of the mosquito Aedes aegypti. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220011. [PMID: 36744557 PMCID: PMC9900713 DOI: 10.1098/rstb.2022.0011] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 11/25/2022] [Indexed: 02/07/2023] Open
Abstract
The geographical range of the mosquito vector for many human disease-causing viruses, Aedes aegypti, is expanding, in part owing to changing climate. The capacity of this species to adapt to thermal stress will affect its future distributions. It is unclear how much heritable genetic variation may affect the upper thermal limits of mosquito populations over the long term. Nor are the genetic pathways that confer thermal tolerance fully understood. In the short term, cells induce a plastic, protective response known as 'heat shock'. Using a physiological 'knockdown' assay, we investigated mosquito thermal tolerance to characterize the genetic architecture of the trait. While families representing the extreme ends of the distribution for knockdown time differed from one another, the trait exhibited low but non-zero broad-sense heritability. We then explored whether families representing thermal performance extremes differed in their heat shock response by measuring gene expression of heat shock protein-encoding genes Hsp26, Hsp83 and Hsp70. Contrary to prediction, the families with higher thermal tolerance demonstrated less Hsp expression. This pattern may indicate that other mechanisms of heat tolerance, rather than heat shock, may underpin the stress response, and the costly production of HSPs may instead signal poor adaptation. This article is part of the theme issue 'Infectious disease ecology and evolution in a changing world'.
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Affiliation(s)
- Fhallon Ware-Gilmore
- Department of Entomology, The Pennsylvania State University, University Park, PA 16802, USA
- The Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Mario Novelo
- Department of Entomology, The Pennsylvania State University, University Park, PA 16802, USA
- The Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Carla M. Sgrò
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Matthew D. Hall
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Elizabeth A. McGraw
- Department of Entomology, The Pennsylvania State University, University Park, PA 16802, USA
- The Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA 16802, USA
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
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Torson AS, Bowman S, Doucet D, Roe AD, Sinclair BJ. Molecular signatures of diapause in the Asian longhorned beetle: Gene expression. CURRENT RESEARCH IN INSECT SCIENCE 2023; 3:100054. [PMID: 37033896 PMCID: PMC10074507 DOI: 10.1016/j.cris.2023.100054] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 05/30/2023]
Abstract
Most previous studies on gene expression during insect diapause do not address among-tissue variation in physiological processes. We measured transcriptomic changes during larval diapause in the Asian longhorned beetle, Anoplophora glabripennis (Coleoptera: Cerambycidae). We conducted RNA-seq on fat body, the supraesophageal ganglion, midgut, hindgut, and Malpighian tubules during pre-diapause, diapause maintenance, post-diapause quiescence, and post-diapause development. We observed a small, but consistent, proportion of genes within each gene expression profile that were shared among tissues, lending support for a core set of diapause-associated genes whose expression is tissue-independent. We evaluated the overarching hypotheses that diapause would be associated with cell cycle arrest, developmental arrest, and increased stress tolerance and found evidence of repressed TOR and insulin signaling, reduced cell cycle activity and increased capacity of stress response via heat shock protein expression and remodeling of the cytoskeleton. However, these processes varied among tissues, with the brain and fat body appearing to maintain higher levels of cellular activity during diapause than the midgut or Malpighian tubules. We also observed temperature-dependent changes in gene expression during diapause maintenance, particularly in genes related to the heat shock response and MAPK, insulin, and TOR signaling pathways. Additionally, we provide evidence for epigenetic reorganization during the diapause/post-diapause quiescence transition and expression of genes involved in post-translational modification, highlighting the need for investigations of the protein activity of these candidate genes and processes. We conclude that diapause development is coordinated via diverse tissue-specific gene expression profiles and that canonical diapause phenotypes vary among tissues.
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Affiliation(s)
- Alex S. Torson
- Department of Biology, The University of Western Ontario, London ON N6A 5B7, Canada
- Biosciences Research Laboratory, USDA-ARS Edward T. Schafer Agricultural Research Center, Fargo, ND 58102, United States
| | - Susan Bowman
- Great Lakes Forestry Centre, Natural Resources Canada, Canadian Forest Service, Sault Ste. Marie, Ontario P6A 2E5, Canada
| | - Daniel Doucet
- Great Lakes Forestry Centre, Natural Resources Canada, Canadian Forest Service, Sault Ste. Marie, Ontario P6A 2E5, Canada
| | - Amanda D. Roe
- Great Lakes Forestry Centre, Natural Resources Canada, Canadian Forest Service, Sault Ste. Marie, Ontario P6A 2E5, Canada
| | - Brent J. Sinclair
- Department of Biology, The University of Western Ontario, London ON N6A 5B7, Canada
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Wen Z, Zhu H, Wang J, Wu B, Zhang A, Zhao H, Song C, Liu S, Cheng Y, Wang H, Li J, Sun D, Fu X, Gao J, Liu M. Conditional deletion of Hspa5 leads to spermatogenesis failure and male infertility in mice. Life Sci 2023; 314:121319. [PMID: 36574945 DOI: 10.1016/j.lfs.2022.121319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 12/26/2022]
Abstract
Heat shock proteins (HSPs) have important roles in different developmental stages of spermatogenesis. The heat shock 70 kDa protein 5 (HSPA5) is an important component of the unfolded protein response that promotes cell survival under endoplasmic reticulum (ER) stress conditions. In this study, we explored the function of HSPA5 in spermatogenesis, by generating a germ cell-specific deletion mutant of the Hspa5 gene (conditional knockout of the Hspa5 gene, Hspa5-cKO) using CRISPR/Cas9 technology and the Cre/Loxp system. Hspa5 knockout resulted in severe germ cell loss and vacuolar degeneration of seminiferous tubules, leading to complete arrest of spermatogenesis, testicular atrophy, and male infertility in adult mice. Furthermore, defects occurred in the spermatogenic epithelium of Hspa5-cKO mice as early as Cre recombinase expression. Germ cell ablation of Hspa5 impaired spermatogonia proliferation and differentiation from post-natal day 7 (P7) to P10, which led to a dramatic reduction of differentiated spermatogonia, compromised meiosis, and led to impairment of testis development and the disruption of the first wave of spermatogenesis. Consistent with these results, single-cell RNA sequencing (scRNA-seq) analysis showed that germ cells, especially differentiated spermatogonia, were dramatically reduced in Hspa5-cKO testes compared with controls at P10, further confirming that HSPA5 is crucial for germ cell development. These results suggest that HSPA5 is indispensable for normal spermatogenesis and male reproduction in mice.
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Affiliation(s)
- Zongzhuang Wen
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China
| | - Haixia Zhu
- School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan 250100, PR China
| | - Jing Wang
- Department of Basic Medicine, Jinan Vacational College of Nursing, Jinan 250102, PR China
| | - Bin Wu
- Department of Reproductive Medicine, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250100, PR China
| | - Aizhen Zhang
- School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan 250100, PR China
| | - Hui Zhao
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China
| | - Chenyang Song
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China
| | - Shuangyuan Liu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China
| | - Yin Cheng
- School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan 250100, PR China
| | - Hongxiang Wang
- School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan 250100, PR China
| | - Jianyuan Li
- Key Laboratory of Male Reproductive Health, Institute of Science and Technology, National Health Commission, Beijing 100081, PR China
| | - Daqing Sun
- Department of Pediatric Surgery, Tianjin Medical University General Hospital, Tianjin 300041, PR China
| | - Xiaolong Fu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China.
| | - Jiangang Gao
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China; School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan 250100, PR China.
| | - Min Liu
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan 250117, PR China.
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Barman M, Samanta S, Ahmed B, Dey S, Chakraborty S, Deeksha M, Dutta S, Samanta A, Tarafdar J, Roy D. Transcription dynamics of heat-shock proteins (Hsps) and endosymbiont titres in response to thermal stress in whitefly, Bemisia tabaci (Asia-I). Front Physiol 2023; 13:1097459. [PMID: 36714306 PMCID: PMC9880761 DOI: 10.3389/fphys.2022.1097459] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 12/23/2022] [Indexed: 01/15/2023] Open
Abstract
The sweet potato whitefly, Bemisia tabaci (Gennadius), is one of the several species complexes of whitefly that are currently significant agricultural pests. Bemisia tabaci infests more than 600 plant species and thrives under a wide range of temperature conditions. In addition to the direct damage caused by sucking plant sap, it vectors several plant viruses. Heat-shock proteins play a pivotal role in enabling the insect to extend its geographical location, survival, and reproduction under different stress conditions. B. tabaci harbours several endosymbionts under the genera Portiera, Rickettsia, Hamiltonella, Wolbachia, Arsenophonus, Cardinium, and Fritschea that directly or indirectly affect its fitness. By accelerating cuticle biosynthesis and sclerotisation, symbiotic microbes can reduce or enhance tolerance to extreme temperatures and detoxify heavy metals. Thus, symbionts or microbial communities can expand or constrain the abiotic niche space of their host and affect its ability to adapt to changing conditions. The present study delineates the effect of thermal stress on the expression of heat-shock genes and endosymbionts in B. tabaci. Studies of the expression level of heat-shock proteins with the help of quantitative real-time polymerase chain reaction (qRT-PCR) showed that heat- and cold-shock treatment fuels the increased expression of heat-shock proteins (Hsp40 and Hsp70). However, Hsp90 was not induced by a heat- and cold-shock treatment. A significant decrease in the relative titre of secondary endosymbionts, such as Rickettsia, Arsenophonus, and Wolbachia, were recorded in B. tabaci upon heat treatment. However, the titre of the primary symbiont, C. Portiera, was relatively unaffected by both cold and heat treatments. These results are indicative of the fact that Hsp genes and endosymbionts in B. tabaci are modulated in response to thermal stress, and this might be responsible for the adaptation of whitefly under changing climatic scenario.
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Affiliation(s)
- Mritunjoy Barman
- Department of Agricultural Entomology, B.C.K.V, Mohanpur, West Bengal, India,GD Goenka University, Gurgaon, Haryana, India,*Correspondence: Mritunjoy Barman, ; Jayanta Tarafdar, ; Deepayan Roy,
| | - Snigdha Samanta
- Department of Agricultural Entomology, B.C.K.V, Mohanpur, West Bengal, India
| | | | - Soumik Dey
- Faculty Centre for Agriculture Rural and Tribal Development (ARTD), RKMVERI, Ranchi, India
| | | | - M.G. Deeksha
- Division of Entomology, I.C.A.R-Indian Agricultural Research Institute, New Delhi, India
| | - Subham Dutta
- Department of Plant Pathology, B.C.K.V, Nadia, West Bengal, India
| | - Arunava Samanta
- Department of Agricultural Entomology, B.C.K.V, Mohanpur, West Bengal, India
| | - Jayanta Tarafdar
- Department of Plant Pathology, B.C.K.V, Nadia, West Bengal, India,*Correspondence: Mritunjoy Barman, ; Jayanta Tarafdar, ; Deepayan Roy,
| | - Deepayan Roy
- GD Goenka University, Gurgaon, Haryana, India,*Correspondence: Mritunjoy Barman, ; Jayanta Tarafdar, ; Deepayan Roy,
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11
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Perez R, de Souza Araujo N, Defrance M, Aron S. Molecular adaptations to heat stress in the thermophilic ant genus Cataglyphis. Mol Ecol 2021; 30:5503-5516. [PMID: 34415643 DOI: 10.1111/mec.16134] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 12/13/2022]
Abstract
Over the last decade, increasing attention has been paid to the molecular adaptations used by organisms to cope with thermal stress. However, to date, few studies have focused on thermophilic species living in hot, arid climates. In this study, we explored molecular adaptations to heat stress in the thermophilic ant genus Cataglyphis, one of the world's most thermotolerant animal taxa. We compared heat tolerance and gene expression patterns across six Cataglyphis species from distinct phylogenetic groups that live in different habitats and experience different thermal regimes. We found that all six species had high heat tolerance levels with critical thermal maxima (CTmax ) ranging from 43℃ to 45℃ and a median lethal temperature (LT50) ranging from 44.5℃ to 46.8℃. Transcriptome analyses revealed that, although the number of differentially expressed genes varied widely for the six species (from 54 to 1118), many were also shared. Functional annotation of the differentially expressed and co-expressed genes showed that the biological pathways involved in heat-shock responses were similar among species and were associated with four major processes: the regulation of transcriptional machinery and DNA metabolism; the preservation of proteome stability; the elimination of toxic residues; and the maintenance of cellular integrity. Overall, our results suggest that molecular responses to heat stress have been evolutionarily conserved in the ant genus Cataglyphis and that their diversity may help workers withstand temperatures close to their physiological limits.
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Affiliation(s)
- Rémy Perez
- Department of Evolutionary Biology & Ecology, Université Libre de Bruxelles, Brussels, Belgium
| | - Natalia de Souza Araujo
- Department of Evolutionary Biology & Ecology, Université Libre de Bruxelles, Brussels, Belgium.,Interuniversity Institute of Bioinformatics in Brussels, Université Libre de Bruxelles, Brussels, Belgium
| | - Matthieu Defrance
- Interuniversity Institute of Bioinformatics in Brussels, Université Libre de Bruxelles, Brussels, Belgium
| | - Serge Aron
- Department of Evolutionary Biology & Ecology, Université Libre de Bruxelles, Brussels, Belgium
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12
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Schrader L, Winter M, Errbii M, Delabie J, Oettler J, Gadau J. Inhibition of HSP90 causes morphological variation in the invasive ant
Cardiocondyla obscurior. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2021; 336:333-340. [DOI: 10.1002/jez.b.23035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 01/13/2021] [Accepted: 02/04/2021] [Indexed: 01/16/2023]
Affiliation(s)
- Lukas Schrader
- Institute for Evolution and Biodiversity University of Münster Münster Germany
| | - Miles Winter
- Institute for Evolution and Biodiversity University of Münster Münster Germany
| | - Mohammed Errbii
- Institute for Evolution and Biodiversity University of Münster Münster Germany
| | - Jacques Delabie
- Laboratório de Mirmecologia Cocoa Research Center‐CEPLAC & UESC‐DCAA Itabuna Bahia Brazil
| | - Jan Oettler
- Lehrstuhl für Zoologie/Evolutionsbiologie University of Regensburg Regensburg Germany
| | - Jürgen Gadau
- Institute for Evolution and Biodiversity University of Münster Münster Germany
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13
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Perez R, Aron S. Adaptations to thermal stress in social insects: recent advances and future directions. Biol Rev Camb Philos Soc 2020; 95:1535-1553. [PMID: 33021060 DOI: 10.1111/brv.12628] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 01/20/2023]
Abstract
Thermal stress is a major driver of population declines and extinctions. Shifts in thermal regimes create new environmental conditions, leading to trait adaptation, population migration, and/or species extinction. Extensive research has examined thermal adaptations in terrestrial arthropods. However, little is known about social insects, despite their major role in ecosystems. It is only within the last few years that the adaptations of social insects to thermal stress have received attention. Herein, we discuss what is currently known about thermal tolerance and thermal adaptation in social insects - namely ants, termites, social bees, and social wasps. We describe the behavioural, morphological, physiological, and molecular adaptations that social insects have evolved to cope with thermal stress. We examine individual and collective responses to both temporary and persistent changes in thermal conditions and explore the extent to which individuals can exploit genetic variability to acclimatise. Finally, we consider the costs and benefits of sociality in the face of thermal stress, and we propose some future research directions that should advance our knowledge of individual and collective thermal adaptations in social insects.
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Affiliation(s)
- Rémy Perez
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
| | - Serge Aron
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
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14
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Tonione MA, Bi K, Tsutsui ND. Transcriptomic signatures of cold adaptation and heat stress in the winter ant (Prenolepis imparis). PLoS One 2020; 15:e0239558. [PMID: 33002025 PMCID: PMC7529264 DOI: 10.1371/journal.pone.0239558] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 09/08/2020] [Indexed: 02/07/2023] Open
Abstract
Climate change is a serious threat to biodiversity; it is therefore important to understand how animals will react to this stress. Ectotherms, such as ants, are especially sensitive to the climate as the environmental temperature influences myriad aspects of their biology, from optimal foraging time to developmental rate. In this study, we conducted an RNA-seq analysis to identify stress-induced genes in the winter ant (Prenolepis imparis). We quantified gene expression during heat and cold stress relative to a control temperature. From each of our conditions, we sequenced the transcriptome of three individuals. Our de novo assembly included 13,324 contigs that were annotated against the nr and SwissProt databases. We performed gene ontology and enrichment analyses to gain insight into the physiological processes involved in the stress response. We identified a total of 643 differentially expressed genes across both treatments. Of these, only seven genes were differentially expressed in the cold-stressed ants, which could indicate that the temperature we chose for trials did not induce a strong stress response, perhaps due to the cold adaptations of this species. Conversely, we found a strong response to heat: 426 upregulated genes and 210 downregulated genes. Of these, ten were expressed at a greater than ten-fold change relative to the control. The transcripts we could identify included those encoding for protein folding genes, heat shock proteins, histones, and Ca2+ ion transport. One of these transcripts, hsc70-4L was found to be under positive selection. We also characterized the functional categories of differentially expressed genes. These candidate genes may be functionally conserved and relevant for related species that will deal with rapid climate change.
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Affiliation(s)
- Maria Adelena Tonione
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, California, United States of America
| | - Ke Bi
- Museum of Vertebrate Zoology, University of California, Berkeley, Berkeley, California, United States of America.,Computational Genomics Resource Laboratory (CGRL), California Institute for Quantitative Biosciences (QB3), University of California, Berkeley, Berkeley, California, United States of America
| | - Neil Durie Tsutsui
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, California, United States of America
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15
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Jia D, Liu YH, Zhang B, Ji ZY, Wang YX, Gao LL, Ma RY. Induction of Heat Shock Protein Genes is the Hallmark of Egg Heat Tolerance in Agasicles hygrophila (Coleoptera: Chrysomelidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2020; 113:1972-1981. [PMID: 32449773 DOI: 10.1093/jee/toaa105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Indexed: 06/11/2023]
Abstract
Insects are ecotothermic organisms. Their development, survival, reproduction as well as distribution and abundance are affected by temperature. Heat shock protein (HSP) gene expression is closely associated with temperature variation and influences the adaptation of organisms to adverse environments. The beetle Agasicles hygrophila has successfully been used for biological control of the invasive plant alligator weed (Alternanthera philoxeroides). As A. hygrophila populations are substantially inhibited by high temperatures in the summer, increasing global temperatures may limit the efficacy of this control agent. We previously established that A. hygrophila eggs have low tolerance to heat and this factored into the decreased numbers of A. hygrophila beetles at temperatures of 37.5°C and above. Here, we identified 26 HSP genes in A. hygrophila and examined the relationship between the transcript levels of these genes and heat tolerance. The temperature at which the expression of these 21 HSP genes peaked (Tpeak) was 37.5°C, which is in line with the limit of the high temperatures that A. hygrophila eggs tolerate. Therefore, we speculate that the Tpeak of HSP gene expression in eggs indicates the upper limit of temperatures that A. hygrophila eggs tolerate. This study identifies HSP genes as potential robust biomarkers and emphasizes that determining species' heat tolerance in their natural habitats remains an important consideration for biocontrol. HSP gene expression data provide information about a species' heat tolerance and may be used to predict its geographical distribution.
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Affiliation(s)
- Dong Jia
- College of Agriculture, Shanxi Agricultural University, Taigu, China
| | - Yan-Hong Liu
- College of Agriculture, Shanxi Agricultural University, Taigu, China
| | - Bin Zhang
- College of Horticulture, Shanxi Agricultural University, Taigu, China
| | - Zhou-Yu Ji
- College of Agriculture, Shanxi Agricultural University, Taigu, China
| | - Yuan-Xin Wang
- College of Agriculture, Shanxi Agricultural University, Taigu, China
| | - Ling-Ling Gao
- CSIRO Agriculture and Food, Centre for Environment and Life Sciences, Wembley, Western Australia, Australia
| | - Rui-Yan Ma
- College of Agriculture, Shanxi Agricultural University, Taigu, China
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16
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Garcia MJ, Littler AS, Sriram A, Teets NM. Distinct cold tolerance traits independently vary across genotypes in Drosophila melanogaster. Evolution 2020; 74:1437-1450. [PMID: 32463118 DOI: 10.1111/evo.14025] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 05/25/2020] [Indexed: 12/27/2022]
Abstract
Cold tolerance, the ability to cope with low temperature stress, is a critical adaptation in thermally variable environments. An individual's cold tolerance comprises several traits including minimum temperatures for growth and activity, ability to survive severe cold, and ability to resume normal function after cold subsides. Across species, these traits are correlated, suggesting they were shaped by shared evolutionary processes or possibly share physiological mechanisms. However, the extent to which cold tolerance traits and their associated mechanisms covary within populations has not been assessed. We measured five cold tolerance traits-critical thermal minimum, chill coma recovery, short- and long-term cold tolerance, and cold-induced changes in locomotor behavior-along with cold-induced expression of two genes with possible roles in cold tolerance (heat shock protein 70 and frost)-across 12 lines of Drosophila melanogaster derived from a single population. We observed significant genetic variation in all traits, but few were correlated across genotypes, and these correlations were sex-specific. Further, cold-induced gene expression varied by genotype, but there was no evidence supporting our hypothesis that cold-hardy lines would have either higher baseline expression or induction of stress genes. These results suggest cold tolerance traits possess unique mechanisms and have the capacity to evolve independently.
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Affiliation(s)
- Mark J Garcia
- Department of Entomology, College of Agriculture, Food, and Environment, University of Kentucky, Lexington, Kentucky, 40546
| | - Aerianna S Littler
- Department of Entomology, College of Agriculture, Food, and Environment, University of Kentucky, Lexington, Kentucky, 40546
| | - Aditya Sriram
- Department of Entomology, College of Agriculture, Food, and Environment, University of Kentucky, Lexington, Kentucky, 40546
| | - Nicholas M Teets
- Department of Entomology, College of Agriculture, Food, and Environment, University of Kentucky, Lexington, Kentucky, 40546
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17
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Bernabò P, Viero G, Lencioni V. A long noncoding RNA acts as a post-transcriptional regulator of heat shock protein (HSP70) synthesis in the cold hardy Diamesa tonsa under heat shock. PLoS One 2020; 15:e0227172. [PMID: 32240200 PMCID: PMC7117718 DOI: 10.1371/journal.pone.0227172] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 02/28/2020] [Indexed: 12/24/2022] Open
Abstract
Cold stenothermal insects living in glacier-fed streams are stressed by temperature variations resulting from glacial retreat during global warming. The molecular aspects of insect response to environmental stresses remain largely unexplored. The aim of this study was to expand our knowledge of how a cold stenothermal organism controls gene expression at the transcriptional, translational, and protein level under warming conditions. Using the chironomid Diamesa tonsa as target species and a combination of RACE, qPCR, polysomal profiling, western blotting, and bioinformatics techniques, we discovered a new molecular pathway leading to previously overlooked adaptive strategies to stress. We obtained and characterized the complete cDNA sequences of three heat shock inducible 70 (hsp70) and two members of heat-shock cognate 70 (hsc70). Strikingly, we showed that a novel pseudo-hsp70 gene encoding a putative long noncoding RNA (lncRNA) which is transcribed during thermal stress, acting as a ribosome sponge to provide post-transcriptional control of HSP70 protein levels. The expression of the pseudo-hsp70 gene and its function suggest the existence of a new and unexpected mechanism to cope with thermal stress: lowering the pace of protein production to save energy and optimize resources for recovery.
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Affiliation(s)
- Paola Bernabò
- Department of Invertebrate Zoology and Hydrobiology, MUSE-Museo delle Scienze, Trento, Italy
- Institute of Biophysics-CNR Trento Unit, Povo, Trento, Italy
| | - Gabriella Viero
- Institute of Biophysics-CNR Trento Unit, Povo, Trento, Italy
| | - Valeria Lencioni
- Department of Invertebrate Zoology and Hydrobiology, MUSE-Museo delle Scienze, Trento, Italy
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18
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Chen X, Tan A, Palli SR. Identification and functional analysis of promoters of heat-shock genes from the fall armyworm, Spodoptera frugiperda. Sci Rep 2020; 10:2363. [PMID: 32047182 PMCID: PMC7012861 DOI: 10.1038/s41598-020-59197-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/03/2020] [Indexed: 11/09/2022] Open
Abstract
The functional information on heat-shock proteins (Hsp) and heat-shock promoters from an important agricultural insect pest, Spodoptera frugiperda, is still lacking. We conducted a genome-wide identification of Hsp genes and identified a total of 21 genes belonging to four major insect Hsp families (small heat-shock proteins, Hsp60, Hsp70, and Hsp90) in S. frugiperda. Expression of most of S. frugiperda (SfHsp) genes could be detected in Sf9 cells, embryos and larval tissues of S. frugiperda. The heat-inducible activity of heat-shock promoters from several SfHsp genes was tested in Sf9 cells and embryos. The promoter of SfHsp70D showed the high constitutive activity in cell line and embryos, while the activity of SfHsp20.15 and SfHsp20.71 promoters was most dramatically induced in Sf9 cells and embryos. In embryos, the heat-induced activity of SfHsp20.71 and SfHsp70D promoters outperformed commercially used ie1 and ie2 promoters. The heat-induced activity of SfHsp70D and SfHsp19.07 promoters were more robust than ie2 promoter in Sf9 cells. These SfHsp promoters with high basal activity or with heat-induced activity from low basal activity, could be used in S. frugiperda or other lepidopteran insects for many applications including transgenesis and genome editing.
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Affiliation(s)
- Xien Chen
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY, 40546, United States of America
| | - Anjiang Tan
- Key Laboratory of Insect Developmental and Evolutionary Biology, Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Subba Reddy Palli
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY, 40546, United States of America.
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19
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González-Tokman D, Córdoba-Aguilar A, Dáttilo W, Lira-Noriega A, Sánchez-Guillén RA, Villalobos F. Insect responses to heat: physiological mechanisms, evolution and ecological implications in a warming world. Biol Rev Camb Philos Soc 2020; 95:802-821. [PMID: 32035015 DOI: 10.1111/brv.12588] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 01/24/2020] [Accepted: 01/29/2020] [Indexed: 12/12/2022]
Abstract
Surviving changing climate conditions is particularly difficult for organisms such as insects that depend on environmental temperature to regulate their physiological functions. Insects are extremely threatened by global warming, since many do not have enough physiological tolerance even to survive continuous exposure to the current maximum temperatures experienced in their habitats. Here, we review literature on the physiological mechanisms that regulate responses to heat and provide heat tolerance in insects: (i) neuronal mechanisms to detect and respond to heat; (ii) metabolic responses to heat; (iii) thermoregulation; (iv) stress responses to tolerate heat; and (v) hormones that coordinate developmental and behavioural responses at warm temperatures. Our review shows that, apart from the stress response mediated by heat shock proteins, the physiological mechanisms of heat tolerance in insects remain poorly studied. Based on life-history theory, we discuss the costs of heat tolerance and the potential evolutionary mechanisms driving insect adaptations to high temperatures. Some insects may deal with ongoing global warming by the joint action of phenotypic plasticity and genetic adaptation. Plastic responses are limited and may not be by themselves enough to withstand ongoing warming trends. Although the evidence is still scarce and deserves further research in different insect taxa, genetic adaptation to high temperatures may result from rapid evolution. Finally, we emphasize the importance of incorporating physiological information for modelling species distributions and ecological interactions under global warming scenarios. This review identifies several open questions to improve our understanding of how insects respond physiologically to heat and the evolutionary and ecological consequences of those responses. Further lines of research are suggested at the species, order and class levels, with experimental and analytical approaches such as artificial selection, quantitative genetics and comparative analyses.
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Affiliation(s)
- Daniel González-Tokman
- CONACYT, CDMX, 03940, Mexico.,Red de Ecoetología, Instituto de Ecología A. C, Xalapa, 91073, Mexico
| | - Alex Córdoba-Aguilar
- Instituto de Ecología, Universidad Nacional Autónoma de México. Circuito exterior s/n Ciudad Universitaria, CDMX, 04510, Mexico
| | - Wesley Dáttilo
- Red de Ecoetología, Instituto de Ecología A. C, Xalapa, 91073, Mexico
| | - Andrés Lira-Noriega
- CONACYT, CDMX, 03940, Mexico.,Red de Estudios Moleculares Avanzados, Instituto de Ecología A. C, Xalapa, 91073, Mexico
| | | | - Fabricio Villalobos
- Red de Biología Evolutiva, Instituto de Ecología A. C, Xalapa, 91073, Mexico
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20
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Zhao P, Javed S, Shi X, Wu B, Zhang D, Xu S, Wang X. Varying Architecture of Heat Shock Elements Contributes to Distinct Magnitudes of Target Gene Expression and Diverged Biological Pathways in Heat Stress Response of Bread Wheat. Front Genet 2020; 11:30. [PMID: 32117446 PMCID: PMC7010933 DOI: 10.3389/fgene.2020.00030] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/09/2020] [Indexed: 12/26/2022] Open
Abstract
The heat shock transcription factor (HSF) binds to cis-regulatory motifs known as heat shock elements (HSEs) to mediate the transcriptional response of HSF target genes. However, the HSF-HSEs interaction is not clearly understood. Using the newly released genome reference sequence of bread wheat, we identified 39,478 HSEs (95.6% of which were non-canonical HSEs) and collapsed them into 30,604 wheat genes, accounting for 27.6% wheat genes. Using the intensively heat-responsive transcriptomes of wheat, we demonstrated that canonical HSEs have a higher propensity to induce a response in the closest downstream genes than non-canonical HSEs. However, the response magnitude induced by non-canonical HSEs was comparable to that induced by canonical HSEs. Significantly, some non-canonical HSEs that contain mismatched nucleotides at specific positions within HSEs had a larger response magnitude than that of canonical HSEs. Consistently, most of the HSEs identified in the promoter regions of heat shock proteins were non-canonical HSEs, suggesting an important role for these non-canonical HSEs. Lastly, distinct diverged biological processes were observed between genes containing different HSE types, suggesting that sequence variation in HSEs plays a key role in the evolution of heat responses and adaptation. Our results provide a new perspective to understand the regulatory network underlying heat responses.
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Affiliation(s)
- Peng Zhao
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Sidra Javed
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Xue Shi
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Bingjin Wu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Dongzhi Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Shengbao Xu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Xiaoming Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
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21
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Quan G, Duan J, Fick W, Candau JN. Molecular characterization of eight ATP-dependent heat shock protein transcripts and their expression profiles in response to stresses in the spruce budworm, Choristoneura fumiferana (L.). J Therm Biol 2020; 88:102493. [PMID: 32125981 DOI: 10.1016/j.jtherbio.2019.102493] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 12/03/2019] [Accepted: 12/23/2019] [Indexed: 12/11/2022]
Abstract
Heat shock proteins (HSPs) greatly contribute to insect stress tolerance and enhance survival and adaptation in severe environmental conditions. To investigate the potential roles of HSPs in the spruce budworm, Choristoneura fumiferana (L.), an important native pest of forests in North America, we found eight ATP-dependent HSP transcripts (CfHSPs). Based on molecular characteristics, the identified HSP genes were classified into HSP70 and HSP90 families, and phylogenetic results showed that they had orthologues in other insects. The transcript levels of these HSPs were measured using RT-qPCR under normal and stressful conditions in the laboratory. Under normal conditions, three HSP genes were consistently expressed in all life stages, whereas expression of the other five genes was dependent on the developmental stage. In the larvae, most CfHSP transcripts displayed similar expression levels among different tissues. Under heat shock conditions, one HSP70 gene and one HSP90 gene were upregulated in all life stages. One HSP70 gene was upregulated after cold injury in the larval stage. With starvation, HSP gene expression exhibited complex expression patterns; most of them were downregulated. These results suggest that the ATP-dependent HSPs have multiple roles during normal development as well as under stressful conditions including heat, cold injury and starvation.
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Affiliation(s)
- Guoxing Quan
- Natural Resources Canada, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, Ontario, P6A 2E5, Canada.
| | - Jun Duan
- Natural Resources Canada, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, Ontario, P6A 2E5, Canada
| | - William Fick
- Natural Resources Canada, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, Ontario, P6A 2E5, Canada
| | - Jean-Noël Candau
- Natural Resources Canada, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, Ontario, P6A 2E5, Canada
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22
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Bogan SN, Place SP. Accelerated evolution at chaperone promoters among Antarctic notothenioid fishes. BMC Evol Biol 2019; 19:205. [PMID: 31694524 PMCID: PMC6836667 DOI: 10.1186/s12862-019-1524-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 10/01/2019] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Antarctic fishes of the Notothenioidei suborder constitutively upregulate multiple inducible chaperones, a highly derived adaptation that preserves proteostasis in extreme cold, and represent a system for studying the evolution of gene frontloading. We screened for Hsf1-binding sites, as Hsf1 is a master transcription factor of the heat shock response, and highly-conserved non-coding elements within proximal promoters of chaperone genes across 10 Antarctic notothens, 2 subpolar notothens, and 17 perciform fishes. We employed phylogenetic models of molecular evolution to determine whether (i) changes in motifs associated with Hsf1-binding and/or (ii) relaxed purifying selection or exaptation at ancestral cis-regulatory elements coincided with the evolution of chaperone frontloading in Antarctic notothens. RESULTS Antarctic notothens exhibited significantly fewer Hsf1-binding sites per bp at chaperone promoters than subpolar notothens and Serranoidei, the most closely-related suborder to Notothenioidei included in this study. 90% of chaperone promoters exhibited accelerated substitution rates among Antarctic notothens relative to other perciformes. The proportion of bases undergoing accelerated evolution (i) was significantly greater in Antarctic notothens than in subpolar notothens and Perciformes in 70% of chaperone genes and (ii) increased among bases that were more conserved among perciformes. Lastly, we detected evidence of relaxed purifying selection and exaptation acting on ancestrally conserved cis-regulatory elements in the Antarctic notothen lineage and its major branches. CONCLUSION A large degree of turnover has occurred in Notothenioidei at chaperone promoter regions that are conserved among perciform fishes following adaptation to the cooling of the Southern Ocean. Additionally, derived reductions in Hsf1-binding site frequency suggest cis-regulatory modifications to the classical heat shock response. Of note, turnover events within chaperone promoters were less frequent in the ancestral node of Antarctic notothens relative to younger Antarctic lineages. This suggests that cis-regulatory divergence at chaperone promoters may be greater between Antarctic notothen lineages than between subpolar and Antarctic clades. These findings demonstrate that strong selective forces have acted upon cis-regulatory elements of chaperone genes among Antarctic notothens.
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Affiliation(s)
- Samuel N Bogan
- Department of Biology, Sonoma State University, Rohnert Park, CA, 94928, USA.
- Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA.
| | - Sean P Place
- Department of Biology, Sonoma State University, Rohnert Park, CA, 94928, USA
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23
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Jones LM, Eves-van den Akker S, van-Oosten Hawle P, Atkinson HJ, Urwin PE. Duplication of hsp-110 Is Implicated in Differential Success of Globodera Species under Climate Change. Mol Biol Evol 2019; 35:2401-2413. [PMID: 29955862 PMCID: PMC6188557 DOI: 10.1093/molbev/msy132] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Managing the emergence and spread of crop pests and pathogens is essential for global food security. Understanding how organisms have adapted to their native climate is key to predicting the impact of climate change. The potato cyst nematodes Globodera pallida and G. rostochiensis are economically important plant pathogens that cause yield losses of up to 50% in potato. The two species have different thermal optima that may relate to differences in the altitude of their regions of origin in the Andes. Here, we demonstrate that juveniles of G. pallida are less able to recover from heat stress than those of G. rostochiensis. Genome-wide analysis revealed that while both Globodera species respond to heat stress by induction of various protective heat-inducible genes, G. pallida experiences heat stress at lower temperatures. We use C. elegans as a model to demonstrate the dependence of the heat stress response on expression of Heat Shock Factor-1 (HSF-1). Moreover, we show that hsp-110 is induced by heat stress in G. rostochiensis, but not in the less thermotolerant G. pallida. Sequence analysis revealed that this gene and its promoter was duplicated in G. rostochiensis and acquired thermoregulatory properties. We show that hsp-110 is required for recovery from acute thermal stress in both C. elegans and in G. rostochiensis. Our findings point towards an underlying molecular mechanism that allows the differential expansion of one species relative to another closely related species under current climate change scenarios. Similar mechanisms may be true of other invertebrate species with pest status.
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Affiliation(s)
- Laura M Jones
- Center for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | | | - Patricija van-Oosten Hawle
- School of Molecular and Cell Biology and Astbury Centre for Structural Molecular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Howard J Atkinson
- Center for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Peter E Urwin
- Center for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
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24
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Ebbert MTW, Jensen TD, Jansen-West K, Sens JP, Reddy JS, Ridge PG, Kauwe JSK, Belzil V, Pregent L, Carrasquillo MM, Keene D, Larson E, Crane P, Asmann YW, Ertekin-Taner N, Younkin SG, Ross OA, Rademakers R, Petrucelli L, Fryer JD. Systematic analysis of dark and camouflaged genes reveals disease-relevant genes hiding in plain sight. Genome Biol 2019; 20:97. [PMID: 31104630 PMCID: PMC6526621 DOI: 10.1186/s13059-019-1707-2] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 05/06/2019] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND The human genome contains "dark" gene regions that cannot be adequately assembled or aligned using standard short-read sequencing technologies, preventing researchers from identifying mutations within these gene regions that may be relevant to human disease. Here, we identify regions with few mappable reads that we call dark by depth, and others that have ambiguous alignment, called camouflaged. We assess how well long-read or linked-read technologies resolve these regions. RESULTS Based on standard whole-genome Illumina sequencing data, we identify 36,794 dark regions in 6054 gene bodies from pathways important to human health, development, and reproduction. Of these gene bodies, 8.7% are completely dark and 35.2% are ≥ 5% dark. We identify dark regions that are present in protein-coding exons across 748 genes. Linked-read or long-read sequencing technologies from 10x Genomics, PacBio, and Oxford Nanopore Technologies reduce dark protein-coding regions to approximately 50.5%, 35.6%, and 9.6%, respectively. We present an algorithm to resolve most camouflaged regions and apply it to the Alzheimer's Disease Sequencing Project. We rescue a rare ten-nucleotide frameshift deletion in CR1, a top Alzheimer's disease gene, found in disease cases but not in controls. CONCLUSIONS While we could not formally assess the association of the CR1 frameshift mutation with Alzheimer's disease due to insufficient sample-size, we believe it merits investigating in a larger cohort. There remain thousands of potentially important genomic regions overlooked by short-read sequencing that are largely resolved by long-read technologies.
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Affiliation(s)
- Mark T. W. Ebbert
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
- Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL 32224 USA
| | - Tanner D. Jensen
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | | | - Jonathon P. Sens
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Joseph S. Reddy
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Perry G. Ridge
- Department of Biology, Brigham Young University, Provo, UT 84602 USA
| | - John S. K. Kauwe
- Department of Biology, Brigham Young University, Provo, UT 84602 USA
| | - Veronique Belzil
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Luc Pregent
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | | | - Dirk Keene
- Department of Pathology, University of Washington, Seattle, WA 98195 USA
| | - Eric Larson
- Department of Medicine, University of Washington, Seattle, WA 98195 USA
| | - Paul Crane
- Department of Medicine, University of Washington, Seattle, WA 98195 USA
| | - Yan W. Asmann
- Department of Health Sciences Research, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Nilufer Ertekin-Taner
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
- Department of Neurology, Mayo Clinic, Jacksonville, FL 32224 USA
| | | | - Owen A. Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Rosa Rademakers
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Leonard Petrucelli
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
- Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL 32224 USA
| | - John D. Fryer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224 USA
- Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL 32224 USA
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25
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Zhang J, Xi G, Guo Z, Jia F. RNA-Seq analysis of Polyrhachis vicina Roger and insights into the heat shock protein 90 and 70 families. Cell Stress Chaperones 2019; 24:45-58. [PMID: 30377954 PMCID: PMC6363624 DOI: 10.1007/s12192-018-0940-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/06/2018] [Accepted: 09/10/2018] [Indexed: 12/25/2022] Open
Abstract
The heat shock protein 90 (Hsp90) and heat shock cognate proteins (Hsc70) have been identified as chaperones of the ecdysone receptor (EcR)/ultraspiracle protein (USP) heterocomplex. However, little is known about the status of Hsp90 and Hsc70 in Polyrhachis vicina Roger. Here, we sequenced the transcriptomes of adult ants in P. vicina for the first time. Clean reads in female, male, and worker ants were annotated into 40,147 transcripts, and 37,488, 28,300, and 33,638 unigenes were assembled in female, male, and worker ants, respectively. According to RPKM, the numbers of differentially expressed genes between female and male ants, between female and worker ants, and between male and worker ants and the common differentially expressed genes were 12,657, 21,630, 15,112 and 3704, respectively. These results reveal that caste differentiation, caste specificity formation, and social divisions of P. vicina ants may be due to gene expression differences. Moreover, PvEcR and PvUSP were also detected as differentially expressed genes in the ants; specifically, PvUSP expression was higher than PvEcR expression in all castes. We speculate that PvUSP may have a role similar to that of juvenile hormone receptor. Four identified PvHsp90 family members and 23 identified PvHsp70 family members were found in the ants, and 2 PvHsp90 genes and 8 PvHsp70 genes were analyzed by qRT-PCR. Among those genes, the expression of 2 PvHsp90 genes and 5 PvHsp70 genes coincided with the expression profiles of PvEcR and PvUSP, which suggest that the characterization of PvHsp90 and PvHsc70 may be as EcR/USP molecular chaperones in P. vicina.
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Affiliation(s)
- JuanJuan Zhang
- Institute of Zoology, College of Life Science, Shaanxi Normal University, Xi'an, 710119, Shaanxi Province, People's Republic of China
| | - GengSi Xi
- Institute of Zoology, College of Life Science, Shaanxi Normal University, Xi'an, 710119, Shaanxi Province, People's Republic of China.
| | - ZhiYi Guo
- Institute of Zoology, College of Life Science, Shaanxi Normal University, Xi'an, 710119, Shaanxi Province, People's Republic of China
| | - FengHua Jia
- Institute of Zoology, College of Life Science, Shaanxi Normal University, Xi'an, 710119, Shaanxi Province, People's Republic of China
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26
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Willot Q, Mardulyn P, Defrance M, Gueydan C, Aron S. Molecular chaperoning helps safeguarding mitochondrial integrity and motor functions in the Sahara silver ant Cataglyphis bombycina. Sci Rep 2018; 8:9220. [PMID: 29907755 PMCID: PMC6003908 DOI: 10.1038/s41598-018-27628-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 06/06/2018] [Indexed: 12/30/2022] Open
Abstract
The Sahara silver ant Cataglyphis bombycina is one of the world's most thermotolerant animals. Workers forage for heat-stricken arthropods during the hottest part of the day, when temperatures exceed 50 °C. However, the physiological adaptations needed to cope with such harsh conditions remain poorly studied in this desert species. Using transcriptomics, we screened for the most heat-responsive transcripts of C. bombycina with aim to better characterize the molecular mechanisms involved with macromolecular stability and cell survival to heat-stress. We identified 67 strongly and consistently expressed transcripts, and we show evidences of both evolutionary selection and specific heat-induction of mitochondrial-related molecular chaperones that have not been documented in Formicidae so far. This indicates clear focus of the silver ant's heat-shock response in preserving mitochondrial integrity and energy production. The joined induction of small heat-shock proteins likely depicts the higher requirement of this insect for proper motor function in response to extreme burst of heat-stresses. We discuss how those physiological adaptations may effectively help workers resist and survive the scorching heat and burning ground of the midday Sahara Desert.
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Affiliation(s)
- Quentin Willot
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, CP 160/12, Av. F.D. Roosevelt, 50, Brussels, 1050, Belgium.
| | - Patrick Mardulyn
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, CP 160/12, Av. F.D. Roosevelt, 50, Brussels, 1050, Belgium
| | - Matthieu Defrance
- Interuniversity Institute of Bioinformatics in Brussels, Université Libre de Bruxelles, Boulevard du Triomphe, Brussels, 1050, Belgium
| | - Cyril Gueydan
- Molecular Biology of the Gene, Université Libre de Bruxelles, Rue des Profs. Jeener et Brachet, 12, Gosselies, 6041, Belgium
| | - Serge Aron
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, CP 160/12, Av. F.D. Roosevelt, 50, Brussels, 1050, Belgium
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27
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Poynton HC, Hasenbein S, Benoit JB, Sepulveda MS, Poelchau MF, Hughes DST, Murali SC, Chen S, Glastad KM, Goodisman MAD, Werren JH, Vineis JH, Bowen JL, Friedrich M, Jones J, Robertson HM, Feyereisen R, Mechler-Hickson A, Mathers N, Lee CE, Colbourne JK, Biales A, Johnston JS, Wellborn GA, Rosendale AJ, Cridge AG, Munoz-Torres MC, Bain PA, Manny AR, Major KM, Lambert FN, Vulpe CD, Tuck P, Blalock BJ, Lin YY, Smith ME, Ochoa-Acuña H, Chen MJM, Childers CP, Qu J, Dugan S, Lee SL, Chao H, Dinh H, Han Y, Doddapaneni H, Worley KC, Muzny DM, Gibbs RA, Richards S. The Toxicogenome of Hyalella azteca: A Model for Sediment Ecotoxicology and Evolutionary Toxicology. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:6009-6022. [PMID: 29634279 DOI: 10.15482/usda.adc/1415994] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Hyalella azteca is a cryptic species complex of epibenthic amphipods of interest to ecotoxicology and evolutionary biology. It is the primary crustacean used in North America for sediment toxicity testing and an emerging model for molecular ecotoxicology. To provide molecular resources for sediment quality assessments and evolutionary studies, we sequenced, assembled, and annotated the genome of the H. azteca U.S. Lab Strain. The genome quality and completeness is comparable with other ecotoxicological model species. Through targeted investigation and use of gene expression data sets of H. azteca exposed to pesticides, metals, and other emerging contaminants, we annotated and characterized the major gene families involved in sequestration, detoxification, oxidative stress, and toxicant response. Our results revealed gene loss related to light sensing, but a large expansion in chemoreceptors, likely underlying sensory shifts necessary in their low light habitats. Gene family expansions were also noted for cytochrome P450 genes, cuticle proteins, ion transporters, and include recent gene duplications in the metal sequestration protein, metallothionein. Mapping of differentially expressed transcripts to the genome significantly increased the ability to functionally annotate toxicant responsive genes. The H. azteca genome will greatly facilitate development of genomic tools for environmental assessments and promote an understanding of how evolution shapes toxicological pathways with implications for environmental and human health.
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Affiliation(s)
- Helen C Poynton
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Simone Hasenbein
- Aquatic Systems Biology Unit , Technical University of Munich , D-85354 Freising , Germany
| | - Joshua B Benoit
- Department of Biological Sciences , University of Cincinnati , Cincinnati , Ohio 45221 United States
| | - Maria S Sepulveda
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
| | - Monica F Poelchau
- Agricultural Research Service, National Agricultural Library , U.S. Department of Agriculture , Beltsville , Maryland 20705 United States
| | - Daniel S T Hughes
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shwetha C Murali
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shuai Chen
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
- OmicSoft Corporation, Cary , North Carolina 27513 United States
| | - Karl M Glastad
- Perelman School of Medicine , University of Pennsylvania , Philadelphia , Pennsylvania 19104 United States
| | - Michael A D Goodisman
- School of Biological Sciences , Georgia Institute of Technology , Atlanta , Georgia 30332 United States
| | - John H Werren
- Biology Department , University of Rochester , Rochester , New York 14627 United States
| | - Joseph H Vineis
- Department of Marine and Environmental Sciences, Marine Science Center , Northeastern University , Nahant , Massachusetts 01908 United States
| | - Jennifer L Bowen
- Department of Marine and Environmental Sciences, Marine Science Center , Northeastern University , Nahant , Massachusetts 01908 United States
| | - Markus Friedrich
- Department of Biological Sciences , Wayne State University , Detroit Michigan 48202 United States
| | - Jeffery Jones
- Department of Biological Sciences , Wayne State University , Detroit Michigan 48202 United States
| | - Hugh M Robertson
- Department of Entomology , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 United States
| | - René Feyereisen
- Department of Plant and Environmental Sciences , University of Copenhagen , DK-1871 Frederiksberg , Denmark
| | - Alexandra Mechler-Hickson
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - Nicholas Mathers
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - Carol Eunmi Lee
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - John K Colbourne
- School of Biosciences , University of Birmingham , Birmingham B15 2TT U.K
| | - Adam Biales
- National Exposure Research Laboratory , United States Environmental Protection Agency , Cincinnati , Ohio 45268 United States
| | - J Spencer Johnston
- Department of Entomology , Texas A&M University , College Station , Texas 77843 United States
| | - Gary A Wellborn
- Department of Biology , University of Oklahoma , Norman , Oklahoma 73019 United States
| | - Andrew J Rosendale
- Department of Biological Sciences , University of Cincinnati , Cincinnati , Ohio 45221 United States
| | - Andrew G Cridge
- Laboratory for Evolution and Development, Department of Biochemistry , University of Otago , Dunedin , 9054 New Zealand
| | - Monica C Munoz-Torres
- Environmental Genomics and Systems Biology Division , Lawrence Berkeley National Laboratory , Berkeley , California 94720 United States
| | - Peter A Bain
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Urrbrae SA 5064 Australia
| | - Austin R Manny
- Department of Microbiology & Cell Science , University of Florida , Gainesville , Florida 32611 United States
| | - Kaley M Major
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Faith N Lambert
- Center for Environmental and Human Toxicology, Department of Physiological Sciences , University of Florida , Gainesville , Florida 32611 United States
| | - Chris D Vulpe
- Center for Environmental and Human Toxicology, Department of Physiological Sciences , University of Florida , Gainesville , Florida 32611 United States
| | - Padrig Tuck
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Bonnie J Blalock
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Yu-Yu Lin
- Graduate Institute of Biomedical Electronics and Bioinformatics , National Taiwan University , Taipei , 10617 Taiwan
| | - Mark E Smith
- McConnell Group, Cincinnati , Ohio 45268 , United States
| | - Hugo Ochoa-Acuña
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
| | - Mei-Ju May Chen
- Graduate Institute of Biomedical Electronics and Bioinformatics , National Taiwan University , Taipei , 10617 Taiwan
| | - Christopher P Childers
- Agricultural Research Service, National Agricultural Library , U.S. Department of Agriculture , Beltsville , Maryland 20705 United States
| | - Jiaxin Qu
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shannon Dugan
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Sandra L Lee
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Hsu Chao
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Huyen Dinh
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Yi Han
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | | | - Kim C Worley
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
- Department of Molecular and Human Genetics , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Donna M Muzny
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Richard A Gibbs
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Stephen Richards
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
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28
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Poynton HC, Hasenbein S, Benoit JB, Sepulveda MS, Poelchau MF, Hughes DST, Murali SC, Chen S, Glastad KM, Goodisman MAD, Werren JH, Vineis JH, Bowen JL, Friedrich M, Jones J, Robertson HM, Feyereisen R, Mechler-Hickson A, Mathers N, Lee CE, Colbourne JK, Biales A, Johnston JS, Wellborn GA, Rosendale AJ, Cridge AG, Munoz-Torres MC, Bain PA, Manny AR, Major KM, Lambert FN, Vulpe CD, Tuck P, Blalock BJ, Lin YY, Smith ME, Ochoa-Acuña H, Chen MJM, Childers CP, Qu J, Dugan S, Lee SL, Chao H, Dinh H, Han Y, Doddapaneni H, Worley KC, Muzny DM, Gibbs RA, Richards S. The Toxicogenome of Hyalella azteca: A Model for Sediment Ecotoxicology and Evolutionary Toxicology. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:6009-6022. [PMID: 29634279 PMCID: PMC6091588 DOI: 10.1021/acs.est.8b00837] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hyalella azteca is a cryptic species complex of epibenthic amphipods of interest to ecotoxicology and evolutionary biology. It is the primary crustacean used in North America for sediment toxicity testing and an emerging model for molecular ecotoxicology. To provide molecular resources for sediment quality assessments and evolutionary studies, we sequenced, assembled, and annotated the genome of the H. azteca U.S. Lab Strain. The genome quality and completeness is comparable with other ecotoxicological model species. Through targeted investigation and use of gene expression data sets of H. azteca exposed to pesticides, metals, and other emerging contaminants, we annotated and characterized the major gene families involved in sequestration, detoxification, oxidative stress, and toxicant response. Our results revealed gene loss related to light sensing, but a large expansion in chemoreceptors, likely underlying sensory shifts necessary in their low light habitats. Gene family expansions were also noted for cytochrome P450 genes, cuticle proteins, ion transporters, and include recent gene duplications in the metal sequestration protein, metallothionein. Mapping of differentially expressed transcripts to the genome significantly increased the ability to functionally annotate toxicant responsive genes. The H. azteca genome will greatly facilitate development of genomic tools for environmental assessments and promote an understanding of how evolution shapes toxicological pathways with implications for environmental and human health.
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Affiliation(s)
- Helen C Poynton
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Simone Hasenbein
- Aquatic Systems Biology Unit , Technical University of Munich , D-85354 Freising , Germany
| | - Joshua B Benoit
- Department of Biological Sciences , University of Cincinnati , Cincinnati , Ohio 45221 United States
| | - Maria S Sepulveda
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
| | - Monica F Poelchau
- Agricultural Research Service, National Agricultural Library , U.S. Department of Agriculture , Beltsville , Maryland 20705 United States
| | - Daniel S T Hughes
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shwetha C Murali
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shuai Chen
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
- OmicSoft Corporation, Cary , North Carolina 27513 United States
| | - Karl M Glastad
- Perelman School of Medicine , University of Pennsylvania , Philadelphia , Pennsylvania 19104 United States
| | - Michael A D Goodisman
- School of Biological Sciences , Georgia Institute of Technology , Atlanta , Georgia 30332 United States
| | - John H Werren
- Biology Department , University of Rochester , Rochester , New York 14627 United States
| | - Joseph H Vineis
- Department of Marine and Environmental Sciences, Marine Science Center , Northeastern University , Nahant , Massachusetts 01908 United States
| | - Jennifer L Bowen
- Department of Marine and Environmental Sciences, Marine Science Center , Northeastern University , Nahant , Massachusetts 01908 United States
| | - Markus Friedrich
- Department of Biological Sciences , Wayne State University , Detroit Michigan 48202 United States
| | - Jeffery Jones
- Department of Biological Sciences , Wayne State University , Detroit Michigan 48202 United States
| | - Hugh M Robertson
- Department of Entomology , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 United States
| | - René Feyereisen
- Department of Plant and Environmental Sciences , University of Copenhagen , DK-1871 Frederiksberg , Denmark
| | - Alexandra Mechler-Hickson
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - Nicholas Mathers
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - Carol Eunmi Lee
- Center of Rapid Evolution (CORE) and Department of Integrative Biology , University of Wisconsin , Madison , Wisconsin 53706 United States
| | - John K Colbourne
- School of Biosciences , University of Birmingham , Birmingham B15 2TT U.K
| | - Adam Biales
- National Exposure Research Laboratory , United States Environmental Protection Agency , Cincinnati , Ohio 45268 United States
| | - J Spencer Johnston
- Department of Entomology , Texas A&M University , College Station , Texas 77843 United States
| | - Gary A Wellborn
- Department of Biology , University of Oklahoma , Norman , Oklahoma 73019 United States
| | - Andrew J Rosendale
- Department of Biological Sciences , University of Cincinnati , Cincinnati , Ohio 45221 United States
| | - Andrew G Cridge
- Laboratory for Evolution and Development, Department of Biochemistry , University of Otago , Dunedin , 9054 New Zealand
| | - Monica C Munoz-Torres
- Environmental Genomics and Systems Biology Division , Lawrence Berkeley National Laboratory , Berkeley , California 94720 United States
| | - Peter A Bain
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Urrbrae SA 5064 Australia
| | - Austin R Manny
- Department of Microbiology & Cell Science , University of Florida , Gainesville , Florida 32611 United States
| | - Kaley M Major
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Faith N Lambert
- Center for Environmental and Human Toxicology, Department of Physiological Sciences , University of Florida , Gainesville , Florida 32611 United States
| | - Chris D Vulpe
- Center for Environmental and Human Toxicology, Department of Physiological Sciences , University of Florida , Gainesville , Florida 32611 United States
| | - Padrig Tuck
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Bonnie J Blalock
- School for the Environment , University of Massachusetts Boston , Boston , Massachusetts 02125 United States
| | - Yu-Yu Lin
- Graduate Institute of Biomedical Electronics and Bioinformatics , National Taiwan University , Taipei , 10617 Taiwan
| | - Mark E Smith
- McConnell Group, Cincinnati , Ohio 45268 , United States
| | - Hugo Ochoa-Acuña
- Forestry and Natural Resources , Purdue University , West Lafayette , Indiana 47907 United States
| | - Mei-Ju May Chen
- Graduate Institute of Biomedical Electronics and Bioinformatics , National Taiwan University , Taipei , 10617 Taiwan
| | - Christopher P Childers
- Agricultural Research Service, National Agricultural Library , U.S. Department of Agriculture , Beltsville , Maryland 20705 United States
| | - Jiaxin Qu
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Shannon Dugan
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Sandra L Lee
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Hsu Chao
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Huyen Dinh
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Yi Han
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | | | - Kim C Worley
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
- Department of Molecular and Human Genetics , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Donna M Muzny
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Richard A Gibbs
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
| | - Stephen Richards
- Human Genome Sequencing Center , Baylor College of Medicine , Houston , Texas 77030 United States
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29
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Espinosa PJ, Alberdi P, Villar M, Cabezas-Cruz A, de la Fuente J. Heat Shock Proteins in Vector-pathogen Interactions: The Anaplasma phagocytophilum Model. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/978-3-319-73377-7_15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Tian L, Wang X, Wang X, Lei C, Zhu F. Starvation-, thermal- and heavy metal- associated expression of four small heat shock protein genes in Musca domestica. Gene 2018; 642:268-276. [DOI: 10.1016/j.gene.2017.11.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 11/07/2017] [Accepted: 11/13/2017] [Indexed: 11/17/2022]
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Lockwood BL, Julick CR, Montooth KL. Maternal loading of a small heat shock protein increases embryo thermal tolerance in Drosophila melanogaster. J Exp Biol 2017; 220:4492-4501. [PMID: 29097593 PMCID: PMC5769566 DOI: 10.1242/jeb.164848] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 10/02/2017] [Indexed: 01/05/2023]
Abstract
Maternal investment is likely to have direct effects on offspring survival. In oviparous animals whose embryos are exposed to the external environment, maternal provisioning of molecular factors like mRNAs and proteins may help embryos cope with sudden changes in the environment. Here, we sought to modify the maternal mRNA contribution to offspring embryos and test for maternal effects on acute thermal tolerance in early embryos of Drosophila melanogaster We drove in vivo overexpression of a small heat shock protein gene (Hsp23) in female ovaries and measured the effects of acute thermal stress on offspring embryonic survival and larval development. We report that overexpression of the Hsp23 gene in female ovaries produced offspring embryos with increased thermal tolerance. We also found that brief heat stress in the early embryonic stage (0-1 h old) caused decreased larval performance later in life (5-10 days old), as indexed by pupation height. Maternal overexpression of Hsp23 protected embryos against this heat-induced defect in larval performance. Our data demonstrate that transient products of single genes have large and lasting effects on whole-organism environmental tolerance. Further, our results suggest that maternal effects have a profound impact on offspring survival in the context of thermal variability.
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Affiliation(s)
- Brent L Lockwood
- Department of Biology, University of Vermont, Burlington, VT 05405, USA
| | - Cole R Julick
- School of Biological Sciences, University of Nebraska, Lincoln, NE 68588, USA
| | - Kristi L Montooth
- School of Biological Sciences, University of Nebraska, Lincoln, NE 68588, USA
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Kang ZW, Liu FH, Liu X, Yu WB, Tan XL, Zhang SZ, Tian HG, Liu TX. The Potential Coordination of the Heat-Shock Proteins and Antioxidant Enzyme Genes of Aphidius gifuensis in Response to Thermal Stress. Front Physiol 2017; 8:976. [PMID: 29234290 PMCID: PMC5712418 DOI: 10.3389/fphys.2017.00976] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 11/15/2017] [Indexed: 12/27/2022] Open
Abstract
Aphidius gifuensis is one of the most important aphid natural enemies and has been successfully used to control Myzys persicae and other aphid species. High temperature in summer is one of the key barriers for the application of A. gifuensis in the field and greenhouse. In this work, we investigated the biological performance of A. gifuensis and the response of heat-shock proteins and antioxidant enzymes under high temperature. The results showed that A. gifuensis could not survive at 40°C and female exhibited a higher survival in 35°C. Furthermore, the short term exposure to high temperature negatively affected the performance of A. gifuensis especially parasitism efficiency. Under short-term heating, the expression of AgifsHSP, Agifl(2)efl, AgifHSP70, AgifHSP70-4 and AgifHSP90 showed an increased trend, whereas AgifHSP10 initially increased and then decreased. In 35°C, the expressions of Agifl(2)efl, AgifHSP70-4 and AgifHSP90 in female were higher than those in male, whereas the expression of AgifHSP70 exhibited an opposite trend. Besides the HSPs, we also quantified the expression levels of 11 antioxidant enzyme genes: AgifPOD, AgifSOD1, AgifSOD2, AgifSOD3, AgifCAT1, AgifCAT2, AgifGST1, AgifGST2, AgifGST3, AgifGST4 and AgifGST5. We found that the sex-specific expression of AgifSOD2, AgifSOD3, AgifPOD, AgifGST1 and AgifGST3 were highly consistent with sex-specific heat shock survival rates at 35°C. Furthermore, when the temperature was above 30°C, the activities of GST, SOD, CAT and POD were significantly increased; however, there was no significant difference of the CAT activity between the male and female at 35°C. Collectively, all of these results suggested that the protection of thermal damage is coordinated by HSPs and antioxidant enzymes in A. gifuensis. Based on the heat tolerance abilities of many aphid natural enemies, we also discussed an integrated application strategy of many aphid enemies in summer.
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Affiliation(s)
- Zhi-Wei Kang
- State Key Laboratory of Crop Stress Biology for the Arid Areas, and Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Fang-Hua Liu
- State Key Laboratory of Integrated Management of Pest and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Xiang Liu
- Entomology Department, College of Plant Protection, Yunnan Agricultural University, Kunming, China
| | - Wen-Bo Yu
- State Key Laboratory of Crop Stress Biology for the Arid Areas, and Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Xiao-Ling Tan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shi-Ze Zhang
- State Key Laboratory of Crop Stress Biology for the Arid Areas, and Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Hong-Gang Tian
- State Key Laboratory of Crop Stress Biology for the Arid Areas, and Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Tong-Xian Liu
- State Key Laboratory of Crop Stress Biology for the Arid Areas, and Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling, China
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Chuvakova LN, Sharko FS, Nedoluzhko AV, Polilov AA, Prokhorchuk EB, Skryabin KG, Evgen’ev MB. Hsp70 genes of the Megaphragma amalphitanum (Hymenoptera: Trichogrammatidae) parasitic wasp. Mol Biol 2017. [DOI: 10.1134/s0026893317040094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Baudier KM, O'Donnell S. Weak links: how colonies counter the social costs of individual variation in thermal physiology. CURRENT OPINION IN INSECT SCIENCE 2017; 22:85-91. [PMID: 28805644 DOI: 10.1016/j.cois.2017.06.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/19/2017] [Accepted: 06/09/2017] [Indexed: 06/07/2023]
Abstract
Social insect nestmates often differ in thermal tolerance (the range of temperatures at which an individual functions). Worker thermal physiology can covary with body size, development, genetics and gene expression. Because colonies rely on the integration of diverse colony members, individual thermal tolerance differences can affect group performance. The weak link hypothesis states that if workers differ in thermal sensitivity, then in variable thermal environments colonies can incur performance costs due to thermal stress effects on the most thermally sensitive worker types. We discuss possible adaptive colony responses that ameliorate the costs of thermal weak links. Individual differences in thermal tolerance have profound implications for the effects of temperature variation and climate change on animal societies. Social implications of worker weak links potentially drive macroecological patterns in caste ergonomics.
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Affiliation(s)
| | - Sean O'Donnell
- Department of Biology, Drexel University, Philadelphia, PA, USA; Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA, USA
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Nguyen AD, DeNovellis K, Resendez S, Pustilnik JD, Gotelli NJ, Parker JD, Cahan SH. Effects of desiccation and starvation on thermal tolerance and the heat-shock response in forest ants. J Comp Physiol B 2017; 187:1107-1116. [DOI: 10.1007/s00360-017-1101-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 04/17/2017] [Accepted: 04/19/2017] [Indexed: 12/21/2022]
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Helms Cahan S, Nguyen AD, Stanton-Geddes J, Penick CA, Hernáiz-Hernández Y, DeMarco BB, Gotelli NJ. Modulation of the heat shock response is associated with acclimation to novel temperatures but not adaptation to climatic variation in the ants Aphaenogaster picea and A. rudis. Comp Biochem Physiol A Mol Integr Physiol 2017; 204:113-120. [DOI: 10.1016/j.cbpa.2016.11.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Revised: 11/22/2016] [Accepted: 11/23/2016] [Indexed: 02/04/2023]
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Willot Q, Gueydan C, Aron S. Proteome stability, heat hardening, and heat-shock protein expression profiles in Cataglyphis desert ants. J Exp Biol 2017; 220:1721-1728. [DOI: 10.1242/jeb.154161] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/17/2017] [Indexed: 02/05/2023]
Abstract
In ectotherms, high temperatures impose physical limits, impeding activity. Exposure to high heat levels causes various deleterious and lethal effects, including protein misfolding and denaturation. Thermophilic ectotherms have thus evolved various ways to increase macromolecular stability and cope with elevated body temperatures; these include the high constitutive expression of molecular chaperones. In this work, we investigated the effect of moderate to severe heat shock (37°C–45°C) on survival, heat hardening, protein damage, and the expression of five heat-tolerance related genes (hsc70-4 h1, hsc70-4 h2, hsp83, hsc70-5, and hsf1) in two rather closely related Cataglyphis ants that occur in distinct habitats. Our results show that the highly thermophilic Sahara ant Cataglyphis bombycina constitutively expresses HSC70 at higher levels, but has lower induced expression of heat-tolerance related genes in response to heat shock, as compared to the more mesophilic C. mauritanica found in the Atlas Mountains. As a result, C. bombycina demonstrates increased protein stability when exposed to acute heat stress but is less prone to acquiring induced thermotolerance via heat hardening. These results provide further insight into the evolutionary plasticity of the hsps gene expression system and subsequent physiological adaptations in thermophilous desert insects to adapt to harsh environmental conditions.
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Affiliation(s)
- Quentin Willot
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Belgium
| | - Cyril Gueydan
- Molecular Biology of the Gene, Université Libre de Bruxelles, Belgium
| | - Serge Aron
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Belgium
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Nguyen AD, Gotelli NJ, Cahan SH. The evolution of heat shock protein sequences, cis-regulatory elements, and expression profiles in the eusocial Hymenoptera. BMC Evol Biol 2016; 16:15. [PMID: 26787420 PMCID: PMC4717527 DOI: 10.1186/s12862-015-0573-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/19/2015] [Indexed: 01/22/2023] Open
Abstract
Background The eusocial Hymenoptera have radiated across a wide range of thermal environments, exposing them to significant physiological stressors. We reconstructed the evolutionary history of three families of Heat Shock Proteins (Hsp90, Hsp70, Hsp40), the primary molecular chaperones protecting against thermal damage, across 12 Hymenopteran species and four other insect orders. We also predicted and tested for thermal inducibility of eight Hsps from the presence of cis-regulatory heat shock elements (HSEs). We tested whether Hsp induction patterns in ants were associated with different thermal environments. Results We found evidence for duplications, losses, and cis-regulatory changes in two of the three gene families. One member of the Hsp90 gene family, hsp83, duplicated basally in the Hymenoptera, with shifts in HSE motifs in the novel copy. Both copies were retained in bees, but ants retained only the novel HSE copy. For Hsp70, Hymenoptera lack the primary heat-inducible orthologue from Drosophila melanogaster and instead induce the cognate form, hsc70-4, which also underwent an early duplication. Episodic diversifying selection was detected along the branch predating the duplication of hsc70-4 and continued along one of the paralogue branches after duplication. Four out of eight Hsp genes were heat-inducible and matched the predictions based on presence of conserved HSEs. For the inducible homologues, the more thermally tolerant species, Pogonomyrmex barbatus, had greater Hsp basal expression and induction in response to heat stress than did the less thermally tolerant species, Aphaenogaster picea. Furthermore, there was no trade-off between basal expression and induction. Conclusions Our results highlight the unique evolutionary history of Hsps in eusocial Hymenoptera, which has been shaped by gains, losses, and changes in cis-regulation. Ants, and most likely other Hymenoptera, utilize lineage-specific heat inducible Hsps, whose expression patterns are associated with adaptive variation in thermal tolerance between two ant species. Collectively, our analyses suggest that Hsp sequence and expression patterns may reflect the forces of selection acting on thermal tolerance in ants and other social Hymenoptera. Electronic supplementary material The online version of this article (doi:10.1186/s12862-015-0573-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Andrew D Nguyen
- Department of Biology, University of Vermont, Burlington, VT, 05405, USA.
| | - Nicholas J Gotelli
- Department of Biology, University of Vermont, Burlington, VT, 05405, USA.
| | - Sara Helms Cahan
- Department of Biology, University of Vermont, Burlington, VT, 05405, USA.
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