1
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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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2
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Mou S, He W, Jiang H, Meng Q, Zhang T, Liu Z, Qiu A, He S. Transcription factor CaHDZ15 promotes pepper basal thermotolerance by activating HEAT SHOCK FACTORA6a. PLANT PHYSIOLOGY 2024; 195:812-831. [PMID: 38270532 DOI: 10.1093/plphys/kiae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/20/2023] [Accepted: 12/28/2023] [Indexed: 01/26/2024]
Abstract
High temperature stress (HTS) is a serious threat to plant growth and development and to crop production in the context of global warming, and plant response to HTS is largely regulated at the transcriptional level by the actions of various transcription factors (TFs). However, whether and how homeodomain-leucine zipper (HD-Zip) TFs are involved in thermotolerance are unclear. Herein, we functionally characterized a pepper (Capsicum annuum) HD-Zip I TF CaHDZ15. CaHDZ15 expression was upregulated by HTS and abscisic acid in basal thermotolerance via loss- and gain-of-function assays by virus-induced gene silencing in pepper and overexpression in Nicotiana benthamiana plants. CaHDZ15 acted positively in pepper basal thermotolerance by directly targeting and activating HEAT SHOCK FACTORA6a (HSFA6a), which further activated CaHSFA2. In addition, CaHDZ15 interacted with HEAT SHOCK PROTEIN 70-2 (CaHsp70-2) and glyceraldehyde-3-phosphate dehydrogenase1 (CaGAPC1), both of which positively affected pepper thermotolerance. CaHsp70-2 and CaGAPC1 promoted CaHDZ15 binding to the promoter of CaHSFA6a, thus enhancing its transcription. Furthermore, CaHDZ15 and CaGAPC1 were protected from 26S proteasome-mediated degradation by CaHsp70-2 via physical interaction. These results collectively indicate that CaHDZ15, modulated by the interacting partners CaGAPC1 and CaHsp70-2, promotes basal thermotolerance by directly activating the transcript of CaHSFA6a. Thus, a molecular linkage is established among CaHsp70-2, CaGAPC1, and CaHDZ15 to transcriptionally modulate CaHSFA6a in pepper thermotolerance.
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Affiliation(s)
- Shaoliang Mou
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Weihong He
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Haitao Jiang
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Qianqian Meng
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Tingting Zhang
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Zhiqin Liu
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- College of Agriculture Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Ailian Qiu
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
| | - Shuilin He
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- National Education Minister, Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
- College of Agriculture Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, PR China
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3
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Zhang ZT, Wang H, Dong H, Cong B. Comparative hemolymph proteomic analyses of the freezing and resistance-freezing Ostrinia furnacalis (Guenée). Sci Rep 2024; 14:2580. [PMID: 38297109 PMCID: PMC10830562 DOI: 10.1038/s41598-024-52792-z] [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: 07/03/2023] [Accepted: 01/23/2024] [Indexed: 02/02/2024] Open
Abstract
The Asian corn borer, Ostrinia furnacalis (Guenée) (Lepidoptera: Crambidae), is one of the most harmful pests of maize in Asia. It poses a significant threat to maize production, causing economic losses due to its strong ecological adaptation. In this study, we compared and analyzed the hemolymph proteome between freezing and resistance-freezing O. furnacalis strains using two-dimensional gel electrophoresis to gain insights into the mechanisms of cold resistance. The results revealed that 300-400 hemolymph protein spots were common, with 24 spots showing differences between the two strains. Spectrometry analysis revealed 21 protein spots, including 17 upregulated spots and 4 downregulated ones. The expression of upregulation/downregulation proteins plays a crucial role in the metabolism, energy supply, and defense reaction of insects. Proteomics research not only provides a method for investigating protein expression patterns but also identifies numerous attractive candidates for further exploration.
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Affiliation(s)
- Zhu-Ting Zhang
- Shenyang Agricultural University, Shenyang, 110866, Liaoning, People's Republic of China
- Kaili University, 556011, Kaili, People's Republic of China
| | - Huan Wang
- Shenyang Agricultural University, Shenyang, 110866, Liaoning, People's Republic of China.
| | - Hui Dong
- Shenyang Agricultural University, Shenyang, 110866, Liaoning, People's Republic of China.
| | - Bin Cong
- Shenyang Agricultural University, Shenyang, 110866, Liaoning, People's Republic of China
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4
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Rokusek B, Cheku S, Rokusek M, Waples CJ, Harshman L, Carlson KA. HoTDAM! An easy-to-use automated assay expands the inducible thermotolerance phenotype in Drosophila melanogaster: Heat hardening reduces motility. Comp Biochem Physiol A Mol Integr Physiol 2023; 286:111522. [PMID: 37742820 PMCID: PMC10593110 DOI: 10.1016/j.cbpa.2023.111522] [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: 07/27/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
To quantify heat tolerance in insects, two manual observation measures are typically implemented: the time to physiological collapse at a static noxious temperature (time to knockdown; TKD) or the temperature at which collapse occurs as temperature increases (critical thermal maximum; CTmax). Both assay modalities focus on physiological collapse, neglecting the prior behavioral processes. In this study, the locomotion response of Drosophila melanogaster to relatively high temperature (39 and 40.5 °C) was quantified using the TriKinetics Drosophila Activity Monitor (DAM2 system). The absence of locomotion was defined as the state of physiological collapse resulting from extended exposure to high temperature. An easy-to-use executable application that allows the user to automatically extract individual TKD from the activity data was developed. For validation, manual TKD assays were performed in parallel to automated assays across multiple factors, including sex, hardening, recovery time after hardening, and assay temperature, which gave similar results. In terms of behavioral aspects, heat hardening consistently led to reduced activity during a subsequent heat stress, irrespective of assay temperature, sex, or recovery time after hardening. Our automated heat tolerance assay utilizing the DAM2 system is one way to expand the scope of the heat tolerance phenotype to include a behavioral component in conjunction with the traditional TKD measure.
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Affiliation(s)
- Blase Rokusek
- Department of Biology, University of Nebraska at Kearney, Kearney, NE 68849, USA
| | - Sunayn Cheku
- Department of Biology, University of Nebraska at Kearney, Kearney, NE 68849, USA
| | - Matthew Rokusek
- School of Computing, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Christopher J Waples
- Department of Psychology, University of Nebraska at Kearney, Kearney, NE 68849, USA
| | - Lawrence Harshman
- School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Kimberly A Carlson
- Department of Biology, University of Nebraska at Kearney, Kearney, NE 68849, USA.
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5
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Collins M, Clark MS, Truebano M. The environmental cellular stress response: the intertidal as a multistressor model. Cell Stress Chaperones 2023; 28:467-475. [PMID: 37129699 PMCID: PMC10469114 DOI: 10.1007/s12192-023-01348-7] [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: 04/05/2023] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 05/03/2023] Open
Abstract
The wild poses a multifaceted challenge to the maintenance of cellular function. Therefore, a multistressor approach is essential to predict the cellular mechanisms which promote homeostasis and underpin whole-organism tolerance. The intertidal zone is particularly dynamic, and thus, its inhabitants provide excellent models to assess mechanisms underpinning multistressor tolerance. Here, we critically review our current understanding of the regulation of the cellular stress response (CSR) under multiple abiotic stressors in intertidal organisms and consider to what extent a multistressor approach brings us closer to understanding responses in the wild. The function of the CSR has been well documented in laboratory and field exposures with a view to understanding single-stressor thermal effects. Multistressor studies still remain relatively limited in comparison but have applied three main approaches: (i) laboratory application of multiple stressors in isolation, (ii) multiple stressors applied in combination, and (iii) field-based correlation of multiple stressors against the CSR. The application of multiple stressors in isolation has allowed the identification of putative, shared stress pathways but overlooks non-additive stressor interactions on the CSR. Combined stressor studies are relatively limited in number but already highlight variable effects on the CSR dependent upon stressor type, timing, and magnitude. Field studies have allowed the identification of responsive components of the CSR to various stressors in situ but are correlative, not causative. A combined approach involving laboratory multistressor studies linking the CSR to whole-organism tolerance as well as field studies is required if we are to understand the role of the CSR in the natural environment.
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Affiliation(s)
- Michael Collins
- Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK.
| | - Melody S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 OET, UK
| | - Manuela Truebano
- Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
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6
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Erić K, Veselinović MS, Patenković A, Davidović S, Erić P, Stamenković-Radak M, Tanasković M. Population History Shapes Responses to Different Temperature Regimes in Drosophila subobscura. Life (Basel) 2023; 13:1333. [PMID: 37374116 DOI: 10.3390/life13061333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/12/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
Drosophila subobscura is considered a good model species for investigation of a population's ability to adapt and cope with climate changes. Decade long research has shown that inversion frequencies change in response to environmental factors indicating their role in adaptation to novel environments. The mechanisms behind organisms' responses to temperature are complex, involving changes in physiology, behavior, gene expression and regulation. On the other hand, a population's ability to respond to suboptimal conditions depends on standing genetic variation and population history. In order to elucidate the role of local adaptation in population response to the changing temperature, we investigated the response to temperature in D. subobscura individuals originating from two different altitudes by combining traditional cytogenetic techniques with assessing the levels of Hsp70 protein expression. Inversion polymorphism was assessed in the flies sampled from natural populations and in flies reared in laboratory conditions at three different temperatures after five and sixteen generations and Hsp70 protein expression profile in 12th generation flies at the basal level and after heat shock induction. Our results indicate that local adaptation and population history influence population response to the changing temperature.
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Affiliation(s)
- Katarina Erić
- Department of Genetics of Populations and Ecogenotoxicology, Institute for Biological Research "Siniša Stanković"-National Institute of the Republic of Serbia, University of Belgrade, Despot Stefan Blvd. 142, 11060 Belgrade, Serbia
| | | | - Aleksandra Patenković
- Department of Genetics of Populations and Ecogenotoxicology, Institute for Biological Research "Siniša Stanković"-National Institute of the Republic of Serbia, University of Belgrade, Despot Stefan Blvd. 142, 11060 Belgrade, Serbia
| | - Slobodan Davidović
- Department of Genetics of Populations and Ecogenotoxicology, Institute for Biological Research "Siniša Stanković"-National Institute of the Republic of Serbia, University of Belgrade, Despot Stefan Blvd. 142, 11060 Belgrade, Serbia
| | - Pavle Erić
- Department of Genetics of Populations and Ecogenotoxicology, Institute for Biological Research "Siniša Stanković"-National Institute of the Republic of Serbia, University of Belgrade, Despot Stefan Blvd. 142, 11060 Belgrade, Serbia
| | | | - Marija Tanasković
- Department of Genetics of Populations and Ecogenotoxicology, Institute for Biological Research "Siniša Stanković"-National Institute of the Republic of Serbia, University of Belgrade, Despot Stefan Blvd. 142, 11060 Belgrade, Serbia
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7
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Noer NK, Nielsen KL, Sverrisdóttir E, Kristensen TN, Bahrndorff S. Temporal regulation of temperature tolerances and gene expression in an arctic insect. J Exp Biol 2023; 226:jeb245097. [PMID: 37283090 DOI: 10.1242/jeb.245097] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 05/02/2023] [Indexed: 05/18/2023]
Abstract
Terrestrial arthropods in the Arctic are exposed to highly variable temperatures that frequently reach cold and warm extremes. Yet, ecophysiological studies on arctic insects typically focus on the ability of species to tolerate low temperatures, whereas studies investigating physiological adaptations of species to periodically warm and variable temperatures are few. In this study, we investigated temporal changes in thermal tolerances and the transcriptome in the Greenlandic seed bug Nysius groenlandicus, collected in the field across different times and temperatures in Southern Greenland. We found that plastic changes in heat and cold tolerances occurred rapidly (within hours) and at a daily scale in the field, and that these changes are correlated with diurnal temperature variation. Using RNA sequencing, we provide molecular underpinnings of the rapid adjustments in thermal tolerance across ambient field temperatures and in the laboratory. We show that transcriptional responses are sensitive to daily temperature changes, and days characterized by high temperature variation induced markedly different expression patterns than thermally stable days. Further, genes associated with laboratory-induced heat responses, including expression of heat shock proteins and vitellogenins, were shared across laboratory and field experiments, but induced at time points associated with lower temperatures in the field. Cold stress responses were not manifested at the transcriptomic level.
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Affiliation(s)
- Natasja Krog Noer
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - Kåre Lehmann Nielsen
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - Elsa Sverrisdóttir
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | | | - Simon Bahrndorff
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
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8
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Zhu W, Chi S, Wang Y, Li H, Wang Z, Gu S, Sun T, Xiang H, You P, Ren Y. A chromosome-level genome assembly of the Henosepilachna vigintioctomaculata provides insights into the evolution of ladybird beetles. DNA Res 2023; 30:6988042. [PMID: 36645207 PMCID: PMC9936504 DOI: 10.1093/dnares/dsad001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/09/2023] [Accepted: 01/13/2023] [Indexed: 01/17/2023] Open
Abstract
The ladybird beetle Henosepilachna vigintioctomaculata is an economically significant oligophagous pest that induces damage to many Solanaceae crops. An increasing number of studies have examined the population and phenotype diversity of ladybird beetles. However, few comparative genome analyses of ladybird beetle species have been conducted. Here, we obtained a high-quality chromosome-level genome assembly of H. vigintioctomaculata using various sequencing technologies, and the chromosome-level genome assembly was ~581.63 Mb, with 11 chromosomes successfully assembled. The phylogenetic analysis showed that H. vigintioctomaculata is a more ancient lineage than the other three sequenced ladybird beetles, Harmonia axyridis, Propylea japonica, and Coccinella septempunctata. We also compared positively selected genes (PSGs), transposable elements (TEs) ratios and insertion times, and key gene families associated with environmental adaptation among these ladybird beetles. The pattern of TEs evolution of H. vigintioctomaculata differs from the other three ladybird beetles. The PSGs were associated with ladybird beetles development. However, the key gene families associated with environmental adaptation in ladybird beetles varied. Overall, the high-quality draft genome sequence of H. vigintioctomaculata provides a useful resource for studies of beetle biology, especially for the invasive biology of ladybird beetles.
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Affiliation(s)
| | | | | | | | - Zhongkai Wang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China
| | - Songdong Gu
- Key Laboratory of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, China
| | - Ting Sun
- College of Life Sciences, Shaanxi Normal University, Xi’an 710062, China
| | - Hui Xiang
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | | | - Yandong Ren
- To whom correspondence should be addressed. Tel. +86-029-85310266; (Y.R.)
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9
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Zhou A, Huang C, Li Y, Li X, Zhang Z, He H, Ding W, Xue J, Li Y, Qiu L. A chromosome-level genome assembly provides insights into the environmental adaptability and outbreaks of Chlorops oryzae. Commun Biol 2022; 5:881. [PMID: 36028584 PMCID: PMC9418232 DOI: 10.1038/s42003-022-03850-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 08/16/2022] [Indexed: 11/19/2022] Open
Abstract
Chlorops oryzae is a pest of rice that has caused severe damage to crops in major rice-growing areas in recent years. We generated a 447.60 Mb high-quality chromosome-level genome with contig and scaffold N50 values of 1.17 Mb and 117.57 Mb, respectively. Hi-C analysis anchored 93.22% scaffolds to 4 chromosomes. The relatively high expression level of Heat Shock Proteins (HSPs) and antioxidant genes in response to thermal stress suggests these genes may play a role in the environmental adaptability of C. oryzae. The identification of multiple pathways that regulate reproductive development (juvenile hormone, 20-hydroxyecdsone, and insulin signaling pathways) provides evidence that these pathways also play an important role in vitellogenesis and thus insect population maintenance. These findings identify possible reasons for the increased frequency of outbreaks of C. oryzae in recent years. Our chromosome-level genome assembly may provide a basis for further genetic studies of C. oryzae, and promote the development of novel, sustainable strategies to control this pest. A chromosome-level genome assembly for the rice pest, Chlorops oryzae, pinpoints molecular pathways that might contribute toward increased outbreaks for this important crop pest.
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Affiliation(s)
- Ailin Zhou
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China.,Hunan Provincial Engineering & Technology Research Center for Biopesticide and Formulation Processing, Changsha, 410128, China
| | - Cong Huang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Yi Li
- Plant Protection and Inspection Station, Agriculture and Rural Development of Hunan Province, Changsha, 410005, China
| | - Xinwen Li
- Plant Protection and Inspection Station, Agriculture and Rural Development of Hunan Province, Changsha, 410005, China
| | - Zhengbing Zhang
- Plant Protection and Inspection Station, Agriculture and Rural Development of Hunan Province, Changsha, 410005, China
| | - Hualiang He
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China
| | - Wenbing Ding
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China.,Hunan Provincial Engineering & Technology Research Center for Biopesticide and Formulation Processing, Changsha, 410128, China
| | - Jin Xue
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China
| | - Youzhi Li
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China. .,Hunan Provincial Engineering & Technology Research Center for Biopesticide and Formulation Processing, Changsha, 410128, China.
| | - Lin Qiu
- Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China.
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10
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Li M, Yang X, Fan F, Ge Y, Hong D, Wang Z, Lu C, Chen S, Wei G. De novo genome assembly of Bradysia cellarum (Diptera: Sciaridae), a notorious pest in traditional special vegetables in China. INSECT MOLECULAR BIOLOGY 2022; 31:508-518. [PMID: 35389542 DOI: 10.1111/imb.12776] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 02/28/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Bradysia cellarum (Diptera: Sciaridae) is a destructive vegetable insect pest infesting more than 30 species of host plants from seven families in Asia and Europe. B. cellarum causes grave problems in Chinese chive, which originated in China and is cultivated widely in East Asia. The B. cellarum infestation results in economic losses and subsequent severe food safety problems in farm productions, insecticide resistance and environmental pollution. The genomic and molecular information of B. cellarum to delineate the biological features, insecticide resistance, evolution remains poorly understood. Herein, we decode the whole genome of B. cellarum to delineate the underlying molecular mechanisms causing insecticide resistance. We constructed a highly reliable genome for B. cellarum using PacBio, Illumina and 10X Genomics sequencing platforms. The genome size of B. cellarum was 375.91 Mb with a contig N50 of 1.57 Mb. A total of 16,231 genes were identified, among which 93.8% were functionally annotated, and 42.06% were repeat sequences. According to phylogenetic analysis, B. cellarum diverged from the common ancestor of Drosophila melanogaster and Musca domestica ~139.3-191.0 million years ago. Moreover, some important genes responsible for significant insecticide resistance, such as cytochrome P450s, ABC transporters and those involved in glutathione metabolism, were expanded in B. cellarum. We assembled a high-quality B. cellarum genome to provide valuable insights into their life history strategies, insecticide resistance and biological behaviours. It also lays the foundation for exploring gene structure and functional evolution, as well as comparative genomics of B. cellarum and other model insect species.
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Affiliation(s)
- Mengyao Li
- College of Plant Protection, Hebei Agricultural University, Baoding, China
| | - Xiaofan Yang
- Plant protection Institute, Hebei Academy of Agricultural and Forestry Sciences, Baoding, China
| | - Fan Fan
- College of Plant Protection, Hebei Agricultural University, Baoding, China
| | - Yafei Ge
- College of Plant Protection, Hebei Agricultural University, Baoding, China
| | - Dawei Hong
- College of Plant Science, Tibet Agricultural and Animal Husbandry University, Nyingchi, Tibet, China
| | - Zhongyan Wang
- The Technical Education Centre of Nangong City, Xingtai, China
| | - Chenyan Lu
- College of Plant Science&Technology, Huazhong Agricultural University, Wuhan, China
| | - Suyi Chen
- College of Plant Protection, China Agricultural University, Beijing, China
| | - Guoshu Wei
- College of Plant Protection, Hebei Agricultural University, Baoding, China
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11
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Rix RR, Cutler GC. Review of molecular and biochemical responses during stress induced stimulation and hormesis in insects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154085. [PMID: 35218848 DOI: 10.1016/j.scitotenv.2022.154085] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/16/2022] [Accepted: 02/18/2022] [Indexed: 06/14/2023]
Abstract
The biphasic hormetic response to stress, defined by low-dose stimulation and high-dose inhibition is frequently observed in insects. Various molecular and biochemical responses associated with hormesis in insects have been reported in many studies, but no synthesis of all these findings has been undertaken. We conducted a systematic literature review, analyzing papers demonstrating phenotypic stimulatory effect(s) following exposure to stress where molecular or biochemical response(s) were also examined. Responses observed included stimulation of reproduction, survival and longevity, growth and development, and tolerance to temperature, chemical, or starvation and desiccation, in response to stressors including pesticides, oxidative stress, temperature, crowding and starvation, and radiation. Phenotypic stimulation ranged from <25% increased above controls to >100%. Reproductive stimulation was frequently <25% increased above controls, while stimulated temperature tolerance was frequently >100% increased. Molecular and biochemical responses had obvious direct connections to phenotypic responses in many cases, although not in all instances. Increased expression of heat shock proteins occurred in association with stimulated temperature tolerance, and increased expression of detoxification genes with stimulated pesticide or chemical tolerance, but also stimulated reproduction. Changes in the expression or activity of antioxidants were frequently associated with stimulation of longevity and reproduction. Stress induced changes in vitellogenin and juvenile hormone and genes in the IIS/TOR signalling pathway - which are directly responsible for regulating growth, development, and reproduction - were also reported. Our analysis showed that coordination of expression of genes or proteins associated with protection from oxidative stress and DNA and protein damage is important in the hormetic responses of insects.
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Affiliation(s)
- Rachel R Rix
- Department of Plant, Food, and Environmental Science, Faculty of Agriculture, Dalhousie University, PO Box 550, Truro, NS B2N 5E3, Canada.
| | - G Christopher Cutler
- Department of Plant, Food, and Environmental Science, Faculty of Agriculture, Dalhousie University, PO Box 550, Truro, NS B2N 5E3, Canada.
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12
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Huang Y, Cai P, Su X, Zheng M, Chi W, Lin S, Huang Z, Qin S, Zeng S. Hsian-Tsao ( Mesona chinensis Benth.) Extract Improves the Thermal Tolerance of Drosophila melanogaster. Front Nutr 2022; 9:819319. [PMID: 35614980 PMCID: PMC9124935 DOI: 10.3389/fnut.2022.819319] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/07/2022] [Indexed: 11/13/2022] Open
Abstract
Global warming has prompted scientific communities to consider how to alleviate thermal stress in humans and animals. The present study assessed the supplementation of hsian-tsao extract (HTE) on thermal stress in Drosophila melanogaster and preliminarily explicated its possible physiological and molecular mechanisms. Our results indicated that the lethal time for 50% of female flies fed on HTE was significantly longer than that of male flies at the same heat stress temperature. Under thermal stress, the survival time of females was remarkably increased in the HTE addition groups compared to the non-addition group. Thermal hardening by acute exposure to 36°C for 30 min (9:00 to 9:30 a.m.) every day could significantly prolong the longevity of females. Without thermal hardening, HTE increased the antioxidant capacity of females under heat stress, accompanied by an increment of catalase (CAT) activity, and the inhibition for hydroxyl radicals (OH⋅) and superoxide anions (⋅O2 -). Superoxide dismutase (SOD) activity and the inhibition for ⋅O2 - was significantly affected by thermal hardening in the non-HTE addition groups, and significant differences were shown in CAT and SOD activities, and the inhibition for ⋅O2 - among groups with thermal hardening. After heat exposure, heat shock protein 70 (Hsp70) was only up-regulated in the group with high levels of added HTE compared with the group without and this was similar in the thermal hardening group. It was concluded that the heat stress-relieving ability of HTE might be partly due to the enhancement of enzymatic activities of SOD and CAT, and the inhibition for OH⋅ and ⋅O2 -. However, the expression levels of Hsp70 were not well related to thermal tolerance or heat survival.
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Affiliation(s)
- Yan Huang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Tea and Food Science, Wuyi University, Wuyishan, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Pumo Cai
- College of Tea and Food Science, Wuyi University, Wuyishan, China
| | - Xinxin Su
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mingjing Zheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China
| | - Wenwen Chi
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shaoling Lin
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zhiwei Huang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Si Qin
- College of Food Science and Technology, Hunan Agricultural University, Changsha, China
| | - Shaoxiao Zeng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou, China
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13
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Eickelberg V, Lüersen K, Staats S, Rimbach G. Phenotyping of Drosophila Melanogaster-A Nutritional Perspective. Biomolecules 2022; 12:221. [PMID: 35204721 PMCID: PMC8961528 DOI: 10.3390/biom12020221] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/15/2022] [Accepted: 01/20/2022] [Indexed: 02/01/2023] Open
Abstract
The model organism Drosophila melanogaster was increasingly applied in nutrition research in recent years. A range of methods are available for the phenotyping of D. melanogaster, which are outlined in the first part of this review. The methods include determinations of body weight, body composition, food intake, lifespan, locomotor activity, reproductive capacity and stress tolerance. In the second part, the practical application of the phenotyping of flies is demonstrated via a discussion of obese phenotypes in response to high-sugar diet (HSD) and high-fat diet (HFD) feeding. HSD feeding and HFD feeding are dietary interventions that lead to an increase in fat storage and affect carbohydrate-insulin homeostasis, lifespan, locomotor activity, reproductive capacity and stress tolerance. Furthermore, studies regarding the impacts of HSD and HFD on the transcriptome and metabolome of D. melanogaster are important for relating phenotypic changes to underlying molecular mechanisms. Overall, D. melanogaster was demonstrated to be a valuable model organism with which to examine the pathogeneses and underlying molecular mechanisms of common chronic metabolic diseases in a nutritional context.
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Affiliation(s)
- Virginia Eickelberg
- Department of Food Science, Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Strasse 6-8, D-24118 Kiel, Germany; (K.L.); (S.S.); (G.R.)
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14
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Telonis-Scott M, Ali Z, Hangartner S, Sgrò CM. Temporal specific coevolution of Hsp70 and co-chaperone stv expression in Drosophila melanogaster under selection for heat tolerance. J Therm Biol 2021; 102:103110. [PMID: 34863477 DOI: 10.1016/j.jtherbio.2021.103110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/27/2021] [Accepted: 10/20/2021] [Indexed: 10/20/2022]
Abstract
Heat shock proteins (Hsps) have long been candidates for ecological adaptation given their unequivocal role in mitigating cell damage from heat stress, but linking Hsps to heat tolerance has proven difficult given the complexity of thermal adaptation. Experimental evolution has been utilized to examine direct and correlated responses to selection for increased heat tolerance in Drosophila, often focusing on the major Hsp family Hsp70 and/or the master regulator HSF as a selection response, but rarely on other aspects of the heat shock complex. We examined Hsp70 and co-chaperone stv isoform transcript expression in Australian D. melanogaster lines selected for static heat tolerance, and observed a temporal and stv isoform specific, coordinated transcriptional selection response with Hsp70, suggesting that increased chaperone output accompanied increased heat tolerance. We hypothesize that the coordinated evolutionary response of Hsp70 and stv may have arisen as a correlated response resulting from a shared regulatory hierarchy. Our work highlights the complexity and specificity of the heat shock response in D. melanogaster. The selected lines examined also showed correlated responses for other measures of heat tolerance, and the coevolution of Hsp70 and stv provide new avenues to examine the common mechanisms underpinning direct and correlated phenotypic responses to selection for heat tolerance.
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Affiliation(s)
- Marina Telonis-Scott
- School of Life and Environmental Sciences, Deakin University, Geelong, 3220, Australia.
| | - Zeinab Ali
- School of Biological Sciences, Monash University, Clayton, Melbourne, 3800, Australia
| | - Sandra Hangartner
- School of Biological Sciences, Monash University, Clayton, Melbourne, 3800, Australia
| | - Carla M Sgrò
- School of Biological Sciences, Monash University, Clayton, Melbourne, 3800, Australia
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15
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Heat Shock Protein 70 Family in Response to Multiple Abiotic Stresses in the Silkworm. INSECTS 2021; 12:insects12100928. [PMID: 34680697 PMCID: PMC8537551 DOI: 10.3390/insects12100928] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/08/2021] [Accepted: 10/08/2021] [Indexed: 12/23/2022]
Abstract
Simple Summary Heat shock protein 70 family is widely distributed in all the organisms, which plays important roles in protein folding and preventing protein denaturation. Heat or cold stress response has been studied in some insects, but there is a lack of systematic investigation on the response of the same species to multiple stressors. Here, we performed genome-wide identification of heat shock protein 70 family in the silkworm, Bombyx mori. Using the silkworm as a model, the transcription profiles of all the genes against heat, cold, and pesticides were studied. Our findings would provide insights into the functional diversification of heat shock proteins 70 in insects. Abstract The 70 kDa heat shock proteins play important roles in protecting organisms against environmental stresses, which are divided into stress-inducible forms (HSP70s) and heat shock cognates (HSC70s). In this study, heat shock protein 70 family was identified in the whole genome of the silkworm. Based on the known nomenclature and phylogenetic analysis, four HSP70s and five HSC70s were classified. Relatively, heat shock cognates were more conservative and were constitutively expressed in various tissues of the silkworm larvae. Under thermal (37 °C and 42 °C) and cold (2 °C) stresses, the expressions of HSP70–1, HSP70–2, and HSP70–3 were up-regulated, and the highest induction reached 4147.3, 607.1, and 1987.3 times, respectively. Interestingly, HSC70–1, HSC70–4, and HSC70–5 also showed slight induced expressions in the fat body and/or midgut under thermal stresses. In addition, the expression of HSP70–1 was induced by dichlorvos and phoxim insecticides, while most HSC70 genes were inhibited. The results suggested that stress-inducible forms play more important roles in adaptation to various stresses than HSC70s.
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16
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Kundrátová K, Bartas M, Pečinka P, Hejna O, Rychlá A, Čurn V, Červeň J. Transcriptomic and Proteomic Analysis of Drought Stress Response in Opium Poppy Plants during the First Week of Germination. PLANTS 2021; 10:plants10091878. [PMID: 34579414 PMCID: PMC8465278 DOI: 10.3390/plants10091878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/30/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022]
Abstract
Water deficiency is one of the most significant abiotic stresses that negatively affects growth and reduces crop yields worldwide. Most research is focused on model plants and/or crops which are most agriculturally important. In this research, drought stress was applied to two drought stress contrasting varieties of Papaver somniferum (the opium poppy), a non-model plant species, during the first week of its germination, which differ in responses to drought stress. After sowing, the poppy seedlings were immediately subjected to drought stress for 7 days. We conducted a large-scale transcriptomic and proteomic analysis for drought stress response. At first, we found that the transcriptomic and proteomic profiles significantly differ. However, the most significant findings are the identification of key genes and proteins with significantly different expressions relating to drought stress, e.g., the heat-shock protein family, dehydration responsive element-binding transcription factors, ubiquitin E3 ligase, and others. In addition, metabolic pathway analysis showed that these genes and proteins were part of several biosynthetic pathways most significantly related to photosynthetic processes, and oxidative stress responses. A future study will focus on a detailed analysis of key genes and the development of selection markers for the determination of drought-resistant varieties and the breeding of new resistant lineages.
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Affiliation(s)
- Kristýna Kundrátová
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Martin Bartas
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Petr Pečinka
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Ondřej Hejna
- Department of Genetics and Agricultural Biotechnology, Faculty of Agriculture, University of South Bohemia, Studentská 1668, 370 05 České Budějovice, Czech Republic;
| | - Andrea Rychlá
- Research Institute of Oilseed Crops, OSEVA PRO. Ltd., Purkyňova 10, 764 01 Opava, Czech Republic;
| | - Vladislav Čurn
- Department of Genetics and Agricultural Biotechnology, Faculty of Agriculture, University of South Bohemia, Studentská 1668, 370 05 České Budějovice, Czech Republic;
- Correspondence: (V.Č.); (J.Č.)
| | - Jiří Červeň
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
- Correspondence: (V.Č.); (J.Č.)
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17
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Pagliuso DC, Bodas DM, Pasquinelli AE. Recovery from heat shock requires the microRNA pathway in Caenorhabditis elegans. PLoS Genet 2021; 17:e1009734. [PMID: 34351906 PMCID: PMC8370650 DOI: 10.1371/journal.pgen.1009734] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 08/17/2021] [Accepted: 07/22/2021] [Indexed: 12/16/2022] Open
Abstract
The heat shock response (HSR) is a highly conserved cellular process that promotes survival during stress. A hallmark of the HSR is the rapid induction of heat shock proteins (HSPs), such as HSP-70, by transcriptional activation. Once the stress is alleviated, HSPs return to near basal levels through incompletely understood mechanisms. Here, we show that the microRNA pathway acts during heat shock recovery in Caenorhabditis elegans. Depletion of the miRNA Argonaute, Argonaute Like Gene 1 (ALG-1), after an episode of heat shock resulted in decreased survival and perdurance of high hsp-70 levels. We present evidence that regulation of hsp-70 is dependent on miR-85 and sequences in the hsp-70 3’UTR that contain target sites for this miRNA. Regulation of hsp-70 by the miRNA pathway was found to be particularly important during recovery from HS, as animals that lacked miR-85 or its target sites in the hsp-70 3’UTR overexpressed HSP-70 and exhibited reduced viability. In summary, our findings show that down-regulation of hsp-70 by miR-85 after HS promotes survival, highlighting a previously unappreciated role for the miRNA pathway during recovery from stress. In the natural world, organisms constantly face stressful conditions such as oxidative stress, pathogen infection, starvation and heat stress. While many studies have focused on the cellular response to stress, less is known about how gene expression re-sets after the stress has been ameliorated. Here, we show that the microRNA pathway plays a critical role during the recovery phase after an episode of heat shock in the nematode, Caenorhabditis elegans. Elevated temperatures induce high expression of heat shock proteins (HSPs), including HSP-70, that provide protection from the damaging effects of high heat. We found that restoration of basal levels of HSP-70 after heat shock depends on Argonaute Like Gene 1 and miR-85. Moreover, loss of miRNA-mediated repression of HSP-70 results in compromised survival following heat shock. Our study draws attention to the recovery phase of the heat shock response and highlights an important role for the microRNA pathway in re-establishing gene expression programs needed for organismal viability post stress.
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Affiliation(s)
- Delaney C. Pagliuso
- Division of Biology, University of California, San Diego, La Jolla, California, United States of America
| | - Devavrat M. Bodas
- Division of Biology, University of California, San Diego, La Jolla, California, United States of America
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Amy E. Pasquinelli
- Division of Biology, University of California, San Diego, La Jolla, California, United States of America
- * E-mail:
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18
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Leask M, Lovegrove M, Walker A, Duncan E, Dearden P. Evolution and genomic organization of the insect sHSP gene cluster and coordinate regulation in phenotypic plasticity. BMC Ecol Evol 2021; 21:154. [PMID: 34348652 PMCID: PMC8336396 DOI: 10.1186/s12862-021-01885-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 07/28/2021] [Indexed: 11/10/2022] Open
Abstract
Background Conserved syntenic gene complexes are rare in Arthropods and likely only retained due to functional constraint. Numerous sHSPs have been identified in the genomes of insects, some of which are located clustered in close proximity. Previous phylogenetic analyses of these clustered sHSP have been limited to a small number of holometabolous insect species and have not determined the pattern of evolution of the clustered sHSP genes (sHSP-C) in insect or Arthropod lineages. Results Using eight genomes from representative insect orders and three non-insect arthropod genomes we have identified that a syntenic cluster of sHSPs (sHSP-C) is a hallmark of most Arthropod genomes. Using 11 genomes from Hymenopteran species our phylogenetic analyses have refined the evolution of the sHSP-C in Hymenoptera and found that the sHSP-C is order-specific with evidence of birth-and-death evolution in the hymenopteran lineage. Finally we have shown that the honeybee sHSP-C is co-ordinately expressed and is marked by genomic features, including H3K27me3 histone marks consistent with coordinate regulation, during honeybee ovary activation. Conclusions The syntenic sHSP-C is present in most insect genomes, and its conserved coordinate expression and regulation implies that it is an integral genomic component of environmental response in arthropods. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01885-8.
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Affiliation(s)
- Megan Leask
- Department of Biochemistry, University of Otago, Dunedin, New Zealand.
| | - Mackenzie Lovegrove
- Department of Biochemistry, University of Otago, Dunedin, New Zealand.,Genomics Aotearoa and Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Abigail Walker
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Elizabeth Duncan
- School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds, LS2 9JT, UK
| | - Peter Dearden
- Department of Biochemistry, University of Otago, Dunedin, New Zealand.,Genomics Aotearoa and Department of Biochemistry, University of Otago, Dunedin, New Zealand
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19
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Kapila R, Kashyap M, Gulati A, Narasimhan A, Poddar S, Mukhopadhaya A, Prasad NG. Evolution of sex-specific heat stress tolerance and larval Hsp70 expression in populations of Drosophila melanogaster adapted to larval crowding. J Evol Biol 2021; 34:1376-1385. [PMID: 34197669 DOI: 10.1111/jeb.13897] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/31/2021] [Accepted: 06/20/2021] [Indexed: 11/29/2022]
Abstract
The ability to tolerate temperature stress is an important component of adult fitness. In holometabolous insects like Drosophila melanogaster, adult stress resistance can be affected by growth conditions experienced during the larval stages. Although evolution under crowded larval conditions is known to lead to the correlated evolution of many adult traits, its consequences on adult heat stress tolerance have not been investigated. Therefore, in the present study, we assessed the adult heat stress tolerance in populations of D. melanogaster adapted to a stressful larval crowding environment. We used replicate populations of D. melanogaster, selected for adaptation to larval crowding stress (MCUs), for more than 230 generations, and their respective controls (MBs). Larvae from selected and control populations were grown under crowded and uncrowded conditions, and their adult heat shock resistance at two different temperatures was measured. Further, we compared Hsp70 expression in crowded and uncrowded larvae of both populations and also measured the Hsp70 expression after a mild heat treatment in adults of selected and control populations. Our results showed that adaptation to larval crowding leads to the evolution of Hsp70 gene expression in larval stages and improves adult heat stress tolerance ability in males, but not in females.
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Affiliation(s)
- Rohit Kapila
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Mayank Kashyap
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Aakanksha Gulati
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Aaditya Narasimhan
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Soumyadip Poddar
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Arunika Mukhopadhaya
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
| | - Nagaraj Guru Prasad
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Punjab, India
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20
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Gorenskaya OV, Gavrilov AB, Zatsepina OG, Shckorbatov YG, Evgen’ev MB. The Role of Hsp70 Genes in Promoting Control of Viability in Drosophila melanogaster Subjected to Microwave Irradiation. Biophysics (Nagoya-shi) 2021. [DOI: 10.1134/s0006350921040059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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21
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Lin YH, Maaroufi HO, Kucerova L, Rouhova L, Filip T, Zurovec M. Adenosine Receptor and Its Downstream Targets, Mod(mdg4) and Hsp70, Work as a Signaling Pathway Modulating Cytotoxic Damage in Drosophila. Front Cell Dev Biol 2021; 9:651367. [PMID: 33777958 PMCID: PMC7994771 DOI: 10.3389/fcell.2021.651367] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 02/22/2021] [Indexed: 12/14/2022] Open
Abstract
Adenosine (Ado) is an important signaling molecule involved in stress responses. Studies in mammalian models have shown that Ado regulates signaling mechanisms involved in “danger-sensing” and tissue-protection. Yet, little is known about the role of Ado signaling in Drosophila. In the present study, we observed lower extracellular Ado concentration and suppressed expression of Ado transporters in flies expressing mutant huntingtin protein (mHTT). We altered Ado signaling using genetic tools and found that the overexpression of Ado metabolic enzymes, as well as the suppression of Ado receptor (AdoR) and transporters (ENTs), were able to minimize mHTT-induced mortality. We also identified the downstream targets of the AdoR pathway, the modifier of mdg4 (Mod(mdg4)) and heat-shock protein 70 (Hsp70), which modulated the formation of mHTT aggregates. Finally, we showed that a decrease in Ado signaling affects other Drosophila stress reactions, including paraquat and heat-shock treatments. Our study provides important insights into how Ado regulates stress responses in Drosophila.
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Affiliation(s)
- Yu-Hsien Lin
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia.,Faculty of Science, University of South Bohemia, Ceske Budejovice, Czechia
| | - Houda Ouns Maaroufi
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia.,Faculty of Science, University of South Bohemia, Ceske Budejovice, Czechia
| | - Lucie Kucerova
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia
| | - Lenka Rouhova
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia.,Faculty of Science, University of South Bohemia, Ceske Budejovice, Czechia
| | - Tomas Filip
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia.,Faculty of Science, University of South Bohemia, Ceske Budejovice, Czechia
| | - Michal Zurovec
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czechia.,Faculty of Science, University of South Bohemia, Ceske Budejovice, Czechia
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22
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Schoville SD, Simon S, Bai M, Beethem Z, Dudko RY, Eberhard MJB, Frandsen PB, Küpper SC, Machida R, Verheij M, Willadsen PC, Zhou X, Wipfler B. Comparative transcriptomics of ice-crawlers demonstrates cold specialization constrains niche evolution in a relict lineage. Evol Appl 2021; 14:360-382. [PMID: 33664782 PMCID: PMC7896716 DOI: 10.1111/eva.13120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/25/2020] [Accepted: 08/17/2020] [Indexed: 12/26/2022] Open
Abstract
Key changes in ecological niche space are often critical to understanding how lineages diversify during adaptive radiations. However, the converse, or understanding why some lineages are depauperate and relictual, is more challenging, as many factors may constrain niche evolution. In the case of the insect order Grylloblattodea, highly conserved thermal breadth is assumed to be closely tied to their relictual status, but has not been formerly tested. Here, we investigate whether evolutionary constraints in the physiological tolerance of temperature can help explain relictualism in this lineage. Using a comparative transcriptomics approach, we investigate gene expression following acute heat and cold stress across members of Grylloblattodea and their sister group, Mantophasmatodea. We additionally examine patterns of protein evolution, to identify candidate genes of positive selection. We demonstrate that cold specialization in Grylloblattodea has been accompanied by the loss of the inducible heat shock response under both acute heat and cold stress. Additionally, there is widespread evidence of selection on protein-coding genes consistent with evolutionary constraints due to cold specialization. This includes positive selection on genes involved in trehalose transport, metabolic function, mitochondrial function, oxygen reduction, oxidative stress, and protein synthesis. These patterns of molecular adaptation suggest that Grylloblattodea have undergone evolutionary trade-offs to survive in cold habitats and should be considered highly vulnerable to climate change. Finally, our transcriptomic data provide a robust backbone phylogeny for generic relationships within Grylloblattodea and Mantophasmatodea. Major phylogenetic splits in each group relate to arid conditions driving biogeographical patterns, with support for a sister-group relationship between North American Grylloblatta and Altai-Sayan Grylloblattella, and a range disjunction in Namibia splitting major clades within Mantophasmatodea.
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Affiliation(s)
| | - Sabrina Simon
- Biosystematics GroupWageningen University & ResearchPB WageningenThe Netherlands
| | - Ming Bai
- Key Laboratory of Zoological Systematics and EvolutionInstitute of ZoologyChinese Academy of SciencesBeijingChina
| | - Zachary Beethem
- Department of EntomologyUniversity of Wisconsin‐MadisonMadisonWIUSA
- Present address:
Department of Biomedical SciencesSchool of Veterinary MedicineUniversity of PennsylvaniaPhiladelphiaPAUSA
| | - Roman Y. Dudko
- Institute of Systematics and Ecology of AnimalsSiberian Branch of the Russian Academy of SciencesNovosibirskRussia
- Tomsk State UniversityTomskRussia
| | - Monika J. B. Eberhard
- Zoological Institute and MuseumGeneral Zoology and Zoological SystematicsUniversity of GreifswaldGreifswaldGermany
| | - Paul B. Frandsen
- Department of Plant & Wildlife SciencesBrigham Young UniversityProvoUTUSA
- Data Science LabOffice of the Chief Information OfficerSmithsonian InstitutionWashingtonDCU.S.A
| | - Simon C. Küpper
- Zoological Institute and MuseumGeneral Zoology and Zoological SystematicsUniversity of GreifswaldGreifswaldGermany
| | - Ryuichiro Machida
- Sugadaira Research StationMountain Science CenterUniversity of TsukubaUeda, NaganoJapan
| | - Max Verheij
- Biosystematics GroupWageningen University & ResearchPB WageningenThe Netherlands
| | - Peter C. Willadsen
- Department of EntomologyUniversity of Wisconsin‐MadisonMadisonWIUSA
- Present address:
Department of Entomology and Plant PathologyNorth Carolina State UniversityCampus Box 7613RaleighNCUSA
| | - Xin Zhou
- Department of EntomologyCollege of Plant ProtectionChina Agricultural UniversityBeijingChina
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23
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Gumiel M, de Mattos DP, Vieira CS, Moraes CS, Moreira CJDC, Gonzalez MS, Teixeira-Ferreira A, Waghabi M, Azambuja P, Carels N. Proteome of the Triatomine Digestive Tract: From Catalytic to Immune Pathways; Focusing on Annexin Expression. Front Mol Biosci 2020; 7:589435. [PMID: 33363206 PMCID: PMC7755933 DOI: 10.3389/fmolb.2020.589435] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/21/2020] [Indexed: 12/15/2022] Open
Abstract
Rhodnius prolixus, Panstrongylus megistus, Triatoma infestans, and Dipetalogaster maxima are all triatomines and potential vectors of the protozoan Trypanosoma cruzi responsible for human Chagas' disease. Considering that the T. cruzi's cycle occurs inside the triatomine digestive tract (TDT), the analysis of the TDT protein profile is an essential step to understand TDT physiology during T. cruzi infection. To characterize the protein profile of TDT of D. maxima, P. megistus, R. prolixus, and T. infestans, a shotgun liquid chromatography-tandem mass spectrometry (LC-MS/MS) approach was applied in this report. Most proteins were found to be closely related to metabolic pathways such as gluconeogenesis/glycolysis, citrate cycle, fatty acid metabolism, oxidative phosphorylation, but also to the immune system. We annotated this new proteome contribution gathering it with those previously published in accordance with Gene Ontology and KEGG. Enzymes were classified in terms of class, acceptor, and function, while the proteins from the immune system were annotated by reference to the pathways of humoral response, cell cycle regulation, Toll, IMD, JNK, Jak-STAT, and MAPK, as available from the Insect Innate Immunity Database (IIID). These pathways were further subclassified in recognition, signaling, response, coagulation, melanization and none. Finally, phylogenetic affinities and gene expression of annexins were investigated for understanding their role in the protection and homeostasis of intestinal epithelial cells against the inflammation.
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Affiliation(s)
- Marcia Gumiel
- Laboratório de Bioquímica e Fisiologia de Insetos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/FIOCRUZ), Rio de Janeiro, Brazil
- Research Department, Universidad Privada Franz Tamayo (UNIFRANZ), La Paz, Bolivia
| | - Debora Passos de Mattos
- Laboratório de Biologia de Insetos, Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói, Brazil
- Programa de Pós-Graduação em Ciências e Biotecnologia, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
| | - Cecília Stahl Vieira
- Laboratório de Bioquímica e Fisiologia de Insetos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/FIOCRUZ), Rio de Janeiro, Brazil
- Departamento de Entomologia Molecular, Instituto Nacional de Entomologia Molecular (INCT-EM), Rio de Janeiro, Brazil
| | - Caroline Silva Moraes
- Laboratório de Bioquímica e Fisiologia de Insetos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/FIOCRUZ), Rio de Janeiro, Brazil
| | | | - Marcelo Salabert Gonzalez
- Laboratório de Biologia de Insetos, Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói, Brazil
- Programa de Pós-Graduação em Ciências e Biotecnologia, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
- Departamento de Entomologia Molecular, Instituto Nacional de Entomologia Molecular (INCT-EM), Rio de Janeiro, Brazil
| | | | - Mariana Waghabi
- Laboratório de Genômica Funcional e Bioinformática, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - Patricia Azambuja
- Laboratório de Bioquímica e Fisiologia de Insetos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (IOC/FIOCRUZ), Rio de Janeiro, Brazil
- Laboratório de Biologia de Insetos, Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói, Brazil
- Programa de Pós-Graduação em Ciências e Biotecnologia, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
- Departamento de Entomologia Molecular, Instituto Nacional de Entomologia Molecular (INCT-EM), Rio de Janeiro, Brazil
| | - Nicolas Carels
- Laboratório de Modelagem de Sistemas Biológicos, National Institute for Science and Technology on Innovation in Neglected Diseases (INCT-IDN), Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
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24
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Leyria J, Orchard I, Lange AB. What happens after a blood meal? A transcriptome analysis of the main tissues involved in egg production in Rhodnius prolixus, an insect vector of Chagas disease. PLoS Negl Trop Dis 2020; 14:e0008516. [PMID: 33057354 PMCID: PMC7591069 DOI: 10.1371/journal.pntd.0008516] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/27/2020] [Accepted: 09/23/2020] [Indexed: 12/17/2022] Open
Abstract
The blood-sucking hemipteran Rhodnius prolixus is a vector of Chagas disease, one of the most neglected tropical diseases affecting several million people, mostly in Latin America. The blood meal is an event with a high epidemiological impact since adult mated females feed several times, with each meal resulting in a bout of egg laying, and thereby the production of hundreds of offspring. By means of RNA-Sequencing (RNA-Seq) we have examined how a blood meal influences mRNA expression in the central nervous system (CNS), fat body and ovaries in order to promote egg production, focusing on tissue-specific responses under controlled nutritional conditions. We illustrate the cross talk between reproduction and a) lipids, proteins and trehalose metabolism, b) neuropeptide and neurohormonal signaling, and c) the immune system. Overall, our molecular evaluation confirms and supports previous studies and provides an invaluable molecular resource for future investigations on different tissues involved in successful reproductive events. These analyses serve as a starting point for new investigations, increasing the chances of developing novel strategies for vector population control by translational research, with less impact on the environment and more specificity for a particular organism.
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Affiliation(s)
- Jimena Leyria
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Ian Orchard
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Angela B. Lange
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
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25
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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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26
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Guo S, Cao L, Song W, Shi P, Gao Y, Gong Y, Chen J, Hoffmann AA, Wei S. Chromosome‐level assembly of the melon thrips genome yields insights into evolution of a sap‐sucking lifestyle and pesticide resistance. Mol Ecol Resour 2020; 20:1110-1125. [DOI: 10.1111/1755-0998.13189] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/28/2020] [Accepted: 05/11/2020] [Indexed: 12/21/2022]
Affiliation(s)
- Shao‐Kun Guo
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Li‐Jun Cao
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Wei Song
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Pan Shi
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Yong‐Fu Gao
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Ya‐Jun Gong
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Jin‐Cui Chen
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
| | - Ary Anthony Hoffmann
- School of BioSciences Bio21 Molecular Science & Biotechnology Institute University of Melbourne Parkville Vic. Australia
| | - Shu‐Jun Wei
- Institute of Plant and Environmental Protection Beijing Academy of Agriculture and Forestry Sciences Beijing China
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27
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Puig Giribets M, Santos M, García Guerreiro MP. Basal hsp70 expression levels do not explain adaptive variation of the warm- and cold-climate O 3 + 4 + 7 and O ST gene arrangements of Drosophila subobscura. BMC Evol Biol 2020; 20:17. [PMID: 32005133 PMCID: PMC6995229 DOI: 10.1186/s12862-020-1584-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/16/2020] [Indexed: 11/10/2022] Open
Abstract
Background Drosophila subobscura exhibits a rich inversion polymorphism, with some adaptive inversions showing repeatable spatiotemporal patterns in frequencies related to temperature. Previous studies reported increased basal HSP70 protein levels in homokaryotypic strains for a warm-climate arrangement compared to a cold-climate one. These findings do not match the similar hsp70 genomic organization between arrangements, where gene expression levels are expected to be similar. In order to test this hypothesis and understand the molecular basis for hsp70 expression, we compared basal hsp70 mRNA levels in males and females, and analysed the 5′ and 3′ regulatory regions of hsp70 genes in warm- and cold-climate isochromosomal O3 + 4 + 7 and OST lines of D. subobscura. Results We observed comparable mRNA levels between the two arrangements and a sex-biased hsp70 gene expression. The number of heat-shock elements (HSEs) and GAGA sites on the promoters were identical amongst the OST and O3 + 4 + 7 lines analysed. This is also true for 3′ AU-rich elements where most A and B copies of hsp70 have, respectively, two and one element in both arrangements. Beyond the regulatory elements, the only notable difference between both arrangements is the presence in 3′ UTR of a 14 bp additional fragment after the stop codon in the hsp70A copy in five O3 + 4 + 7 lines, which was not found in any of the six OST lines. Conclusions The equivalent hsp70 mRNA amounts in OST and O3 + 4 + 7 arrangements provide the first evidence of a parallelism between gene expression and genetic organization in D. subobscura lines having these arrangements. This is reinforced by the lack of important differential features in the number and structure of regulatory elements between both arrangements, despite the genetic differentiation observed when the complete 5′ and 3′ regulatory regions were considered. Therefore, the basal levels of hsp70 mRNA cannot account, in principle, for the adaptive variation of the two arrangements studied. Consequently, further studies are necessary to understand the intricate molecular mechanisms of hsp70 gene regulation in D. subobscura.
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Affiliation(s)
- Marta Puig Giribets
- Grup de Genòmica, Bioinformàtica i Biologia Evolutiva (GGBE), Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona, Spain
| | - Mauro Santos
- Grup de Genòmica, Bioinformàtica i Biologia Evolutiva (GGBE), Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona, Spain
| | - María Pilar García Guerreiro
- Grup de Genòmica, Bioinformàtica i Biologia Evolutiva (GGBE), Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona, Spain.
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28
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Expression of Heat Shock Protein 70 Is Insufficient To Extend Drosophila melanogaster Longevity. G3-GENES GENOMES GENETICS 2019; 9:4197-4207. [PMID: 31624139 PMCID: PMC6893204 DOI: 10.1534/g3.119.400782] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
It has been known for over 20 years that Drosophila melanogaster flies with twelve additional copies of the hsp70 gene encoding the 70 kD heat shock protein lives longer after a non-lethal heat treatment. Since the heat treatment also induces the expression of additional heat shock proteins, the biological effect can be due either to HSP70 acting alone or in combination. This study used the UAS/GAL4 system to determine whether hsp70 is sufficient to affect the longevity and the resistance to thermal, oxidative or desiccation stresses of the whole organism. We observed that HSP70 expression in the nervous system or muscles has no effect on longevity or stress resistance but ubiquitous expression reduces the life span of males. We also observed that the down-regulation of hsp70 using RNAi did not affect longevity.
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29
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Healy TM, Bock AK, Burton RS. Variation in developmental temperature alters adulthood plasticity of thermal tolerance in Tigriopus californicus. ACTA ACUST UNITED AC 2019; 222:jeb.213405. [PMID: 31597734 DOI: 10.1242/jeb.213405] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 10/02/2019] [Indexed: 12/11/2022]
Abstract
In response to environmental change, organisms rely on both genetic adaptation and phenotypic plasticity to adjust key traits that are necessary for survival and reproduction. Given the accelerating rate of climate change, plasticity may be particularly important. For organisms in warming aquatic habitats, upper thermal tolerance is likely to be a key trait, and many organisms express plasticity in this trait in response to developmental or adulthood temperatures. Although plasticity at one life stage may influence plasticity at another life stage, relatively little is known about this possibility for thermal tolerance. Here, we used locally adapted populations of the copepod Tigriopus californicus to investigate these potential effects in an intertidal ectotherm. We found that low latitude populations had greater critical thermal maxima (CTmax) than high latitude populations, and variation in developmental temperature altered CTmax plasticity in adults. After development at 25°C, CTmax was plastic in adults, whereas no adulthood plasticity in this trait was observed after development at 20°C. This pattern was identical across four populations, suggesting that local thermal adaptation has not shaped this effect among these populations. Differences in the capacities to maintain ATP synthesis rates and to induce heat shock proteins at high temperatures, two likely mechanisms of local adaptation in this species, were consistent with changes in CTmax owing to phenotypic plasticity, which suggests that there is likely mechanistic overlap between the effects of plasticity and adaptation. Together, these results indicate that developmental effects may have substantial impacts on upper thermal tolerance plasticity in adult ectotherms.
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Affiliation(s)
- Timothy M Healy
- Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive #0202, La Jolla, CA 92093-0202, USA
| | - Antonia K Bock
- Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive #0202, La Jolla, CA 92093-0202, USA
| | - Ronald S Burton
- Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive #0202, La Jolla, CA 92093-0202, USA
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30
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Zhang L, Li S, Luo J, Du P, Wu L, Li Y, Zhu X, Wang L, Zhang S, Cui J. Chromosome‐level genome assembly of the predatorPropylea japonicato understand its tolerance to insecticides and high temperatures. Mol Ecol Resour 2019; 20:292-307. [DOI: 10.1111/1755-0998.13100] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/19/2019] [Accepted: 10/07/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Lijuan Zhang
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Song Li
- Biomarker Technologies Corporation Beijing China
| | - Junyu Luo
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Pei Du
- Industrial Crops Research Institute Henan Academy of Agricultural Sciences/Key Laboratory of Oil Crops in Huang‐Huai‐Hai Plains Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement Zhengzhou China
| | - Linke Wu
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Yarong Li
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Xiangzhen Zhu
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Li Wang
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Shuai Zhang
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
| | - Jinjie Cui
- Zhengzhou Research Base State Key Laboratory of Cotton Biology Zhengzhou University Zhengzhou China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research Chinese Academy of Agricultural Sciences Anyang China
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31
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Chen K, Tang T, Song Q, Wang Z, He K, Liu X, Song J, Wang L, Yang Y, Feng C. Transcription Analysis of the Stress and Immune Response Genes to Temperature Stress in Ostrinia furnacalis. Front Physiol 2019; 10:1289. [PMID: 31681003 PMCID: PMC6803539 DOI: 10.3389/fphys.2019.01289] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 09/25/2019] [Indexed: 11/20/2022] Open
Abstract
Ostrinia furnacalis is one of the most important pests on maize. O. furnacalis larvae are frequently exposed to the temperature challenges such as high temperature in summer and cold temperature in winter in the natural environment. High and low temperature stress, like any abiotic stress, impairs the physiology and development of insects. Up to now, there is limited information about gene regulation and signaling pathways related to the high and cold stress response in O. furnacalis. High-throughput sequencing of transcriptome provides a new approach for detecting stress and immune response genes under high and low temperature stresses in O. furnacalis. In the present study, O. furnacalis larvae were treated with the temperature at 8 and 40°C, and the responses of O. furnacalis larvae to the temperature stress were investigated through RNA-sequencing and further confirmation. The results showed that immune responses were up-regulated in larvae by the cold stress at 8°C while some stress response genes, such as HSP family, GST-2, Bax inhibitor and P450, were significantly increased at 40°C. Furthermore, quantitative real time polymerase chain reaction were performed to quantify the expression levels of immune related genes, such as PGRP-LB, antimicrobial peptides, lysozyme, serine protease and stress response genes such as small HSPs and HSP90, and the expression levels of these genes were similar to the RNA-seq results. In addition, the iron storage protein Ferritin was found to be involved in the response to temperature stress, and the changes of total iron concentration in the hemolymph were, in general, consistent with the expression levels of Ferritin. Taken together, our results suggested that the stress response genes were involved in the defense against the heat stress at 40°C, and the immune responses triggered by cold stress might provide protection for larvae from cold stress at 8°C. More interestingly, our results showed that during the responses to temperature stress, the total iron concentration in hemolymph regulated by Ferritin increased, which might help O. furnacalis in surviving the low and high temperature stress.
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Affiliation(s)
- Kangkang Chen
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Tai Tang
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Qisheng Song
- Division of Plant Sciences, University of Missouri, Columbia, MO, United States
| | - Zhenying Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Kanglai He
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xu Liu
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Jiahui Song
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Libao Wang
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Yizhong Yang
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Congjing Feng
- Department of Plant Protection, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
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32
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Sørensen JG, Giribets MP, Tarrío R, Rodríguez-Trelles F, Schou MF, Loeschcke V. Expression of thermal tolerance genes in two Drosophila species with different acclimation capacities. J Therm Biol 2019; 84:200-207. [DOI: 10.1016/j.jtherbio.2019.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/21/2019] [Accepted: 07/01/2019] [Indexed: 12/12/2022]
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33
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Gu X, Zhao Y, Su Y, Wu J, Wang Z, Hu J, Liu L, Zhao Z, Hoffmann AA, Chen B, Li Z. A transcriptional and functional analysis of heat hardening in two invasive fruit fly species, Bactrocera dorsalis and Bactrocera correcta. Evol Appl 2019; 12:1147-1163. [PMID: 31293628 PMCID: PMC6597872 DOI: 10.1111/eva.12793] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 03/01/2019] [Accepted: 03/07/2019] [Indexed: 12/15/2022] Open
Abstract
Many insects have the capacity to increase their resistance to high temperatures by undergoing heat hardening at nonlethal temperatures. Although this response is well established, its molecular underpinnings have only been investigated in a few species where it seems to relate at least partly to the expression of heat shock protein (Hsp) genes. Here, we studied the mechanism of hardening and associated transcription responses in larvae of two invasive fruit fly species in China, Bactrocera dorsalis and Bactrocera correcta. Both species showed hardening which increased resistance to 45°C, although the more widespread B. dorsalis hardened better at higher temperatures compared to B. correcta which hardened better at lower temperatures. Transcriptional analyses highlighted expression changes in a number of genes representing different biochemical pathways, but these changes and pathways were inconsistent between the two species. Overall B. dorsalis showed expression changes in more genes than B. correcta. Hsp genes tended to be upregulated at a hardening temperature of 38°C in both species, while at 35°C many Hsp genes tended to be upregulated in B. correcta but not B. dorsalis. One candidate gene (the small heat shock protein gene, Hsp23) with a particularly high level of upregulation was investigated functionally using RNA interference (RNAi). We found that RNAi may be more efficient in B. dorsalis, in which suppression of the expression of this gene removed the hardening response, whereas in B. correcta RNAi did not decrease the hardening response. The different patterns of gene expression in these two species at the two hardening temperatures highlight the diverse mechanisms underlying hardening even in closely related species. These results may provide target genes for future control efforts against such pest species.
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Affiliation(s)
- Xinyue Gu
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Yan Zhao
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Yun Su
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Jiajiao Wu
- Guangdong Inspection and Quarantine Technology CenterGuangzhouChina
| | - Ziya Wang
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Juntao Hu
- Redpath MuseumMcGill UniversityMontrealQuebecCanada
- Department of BiologyMcGill UniversityMontrealQuebecCanada
| | - Lijun Liu
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Zihua Zhao
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Ary A. Hoffmann
- School of BioSciences, Bio21 InstituteUniversity of MelbourneParkvilleVictoriaAustralia
| | - Bing Chen
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Present address:
College of Life SciencesHebei UniversityBaodingChina
| | - Zhihong Li
- Department of Entomology, College of Plant ProtectionChina Agricultural UniversityBeijingChina
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Chang YW, Zhang XX, Chen JY, Lu MX, Gong WR, Du YZ. Characterization of three heat shock protein 70 genes from Liriomyza trifolii and expression during thermal stress and insect development. BULLETIN OF ENTOMOLOGICAL RESEARCH 2019; 109:150-159. [PMID: 29743123 DOI: 10.1017/s0007485318000354] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Heat shock proteins (HSPs) participate in diverse physiological processes in insects, and HSP70 is one of the most highly conserved proteins in the HSP family. In this study, full-length cDNAs of three HSP70 genes (Lthsc70, Lthsp701, and Lthsp702) were cloned and characterized from Liriomyza trifolii, an important invasive pest of vegetable crops and horticultural crops worldwide. These three HSP70s exhibited signature sequences and motifs that are typical of the HSP70 family. The expression patterns of the three Lthsp70s during temperature stress and in different insect development stages were studied by real-time quantitative PCR. Lthsp701 was strongly induced by high- and low-temperature stress, but Lthsc70 and Lthsp702 were not very sensitive to temperature changes. All three Lthsp70s were expressed during insect development stages, but the expression patterns were quite different. The expression of Lthsc70 and Lthsp702 showed significant differences in expression during leafminer development; Lthsc70 was most highly expressed in female adults, whereas Lthsp702 was abundantly expressed in larvae and prepupae. Lthsp701 expression was not significantly different among leafminer stages. These results suggest that functional differentiation within the LtHSP70 subfamily has occurred in response to thermal stress and insect development.
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Affiliation(s)
- Y-W Chang
- School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University,Yangzhou 225009,China
| | - X-X Zhang
- School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University,Yangzhou 225009,China
| | - J-Y Chen
- School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University,Yangzhou 225009,China
| | - M-X Lu
- School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University,Yangzhou 225009,China
| | - W-R Gong
- Plant Protection and Quarantine Station of Jiangsu Province,Nanjing 21003,China
| | - Y-Z Du
- School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University,Yangzhou 225009,China
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Wang XR, Wang C, Ban FX, Zhu DT, Liu SS, Wang XW. Genome-wide identification and characterization of HSP gene superfamily in whitefly (Bemisia tabaci) and expression profiling analysis under temperature stress. INSECT SCIENCE 2019; 26:44-57. [PMID: 28714602 DOI: 10.1111/1744-7917.12505] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Revised: 05/22/2017] [Accepted: 06/01/2017] [Indexed: 05/14/2023]
Abstract
Heat shock proteins (HSP) are essential molecular chaperones that play important roles in the stress stimulation of insects. Bemisia tabaci, a phloem feeder and invasive species, can cause extensive crop damage through direct feeding and transmission of plant viruses. Here we employed comprehensive genomics approaches to identity HSP superfamily members in the Middle East Asia Minor 1 whitefly genome. In total, we identified 26 Hsp genes, including three Hsp90, 17 Hsp70, one Hsp60 and five sHSP (small heat shock protein) genes. The HSP gene superfamily of whitefly is expanded compared with the other five insects surveyed here. The gene structures among the same families are relatively conserved. Meanwhile, the motif compositions and secondary structures of BtHsp proteins were predicted. In addition, quantitative polymerase chain reaction analysis showed that the expression patterns of BtHsp gene superfamily were diverse across different tissues of whiteflies. Most Hsp genes were induced or repressed by thermal stress (40°C) and cold treatment (4°C) in whitefly. Silencing the expression of BtHsp70-6 significantly decreased the survival rate of whitefly under 45°C. All the results showed the Hsps conferred thermo-tolerance or cold-tolerance to whiteflies that protect them from being affected by detrimental temperature conditions. Our observations highlighted the molecular evolutionary properties and the response mechanism to temperature assaults of Hsp genes in whitefly.
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Affiliation(s)
- Xin-Ru Wang
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Chao Wang
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Fei-Xue Ban
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Dan-Tong Zhu
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Shu-Sheng Liu
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Xiao-Wei Wang
- Ministry of Agriculture Key Laboratory of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
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36
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Ivanova NM, Cybikov NN, Sormolotova IN. MODERN IDEAS ABOUT “ATOPIC MARCH” PATHOGENESIS AND POSSIBLE ROLE OF HEAT-SHOCK PROTEINS. VESTNIK DERMATOLOGII I VENEROLOGII 2018. [DOI: 10.25208/0042-4609-2018-94-2-27-32] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Allergic diseases pose a serious health problem worldwide. The review of literature presents some data on the role of heat shock proteins in the pathogenesis of atopic dermatitis and allergic rhinitis, as the most common diseases in the population of this nosological group. Data on the possible role of heat shock proteins in the pathogenesis of atopic march development are also presented.
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Abstract
Temperature has a major impact on gene expression in ectotherms. But until recently, it was not clear in which way, if any, small non-coding RNAs such as miRNAs or piRNAs contribute to thermosensitive gene regulation. We have recently shown that temperature-responsive miRNAs in Drosophila drive adaptation to different ambient temperatures on the transcriptome level. Moreover, we demonstrated that higher temperatures lead to a more efficient piRNA-dependent transposon silencing, possibly due to heat-induced unfolding of RNA secondary structures. In this commentary, we will dwell upon particular interesting aspects connected to our findings, hoping that our point of view may encourage other scientists to address some of the questions raised here. We will particularly focus on aspects related to climate-dependent transposon propagation in evolution and putative transgenerational epigenetic effects of altered small RNA transcriptomes. We further briefly indicate how temperature-responsive miRNAs may confound the interpretation of data obtained from experiments comprising heat-shock treatment which is a widely used technique not only in Drosophila genetics.
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Affiliation(s)
- Isabel Fast
- a Institute of Organismic and Molecular Evolution, Johannes Gutenberg University , Mainz , Germany
| | - David Rosenkranz
- a Institute of Organismic and Molecular Evolution, Johannes Gutenberg University , Mainz , Germany
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Shilova VY, Zatsepina OG, Garbuz DG, Funikov SY, Zelentsova ES, Schostak NG, Kulikov AM, Evgen'ev MB. Heat shock protein 70 from a thermotolerant Diptera species provides higher thermoresistance to Drosophila larvae than correspondent endogenous gene. INSECT MOLECULAR BIOLOGY 2018; 27:61-72. [PMID: 28796386 DOI: 10.1111/imb.12339] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Heat shock proteins (Hsp70s) from two Diptera species that drastically differ in their heat shock response and longevity were investigated. Drosophila melanogaster is characterized by the absence of Hsp70 and other hsps under normal conditions and the dramatic induction of hsp synthesis after temperature elevation. The other Diptera species examined belongs to the Stratiomyidae family (Stratiomys singularior) and exhibits high levels of inducible Hsp70 under normal conditions coupled with a thermotolerant phenotype and much longer lifespan. To evaluate the impact of hsp70 genes on thermotolerance and longevity, we made use of a D. melanogaster strain that lacks all hsp70 genes. We introduced single copies of either S. singularior or D. melanogaster hsp70 into this strain and monitored the obtained transgenic flies in terms of thermotolerance and longevity. We developed transgenic strains containing the S. singularior hsp70 gene under control of a D. melanogaster hsp70 promoter. Although these adult flies did synthesize the corresponding mRNA after heat shock, they were not superior to the flies containing a single copy of D. melanogaster hsp70 in thermotolerance and longevity. By contrast, Stratiomyidae Hsp70 provided significantly higher thermotolerance at the larval stage in comparison with endogenous Hsp70.
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Affiliation(s)
- V Y Shilova
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
- Institute of Cell Biophysics, RAS, Pushchino, Moscow, Russia
| | - O G Zatsepina
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
| | - D G Garbuz
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
| | - S Y Funikov
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
| | - E S Zelentsova
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
| | - N G Schostak
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
| | - A M Kulikov
- Institute of Developmental Biology, RAS, Moscow, Russia
| | - M B Evgen'ev
- Engelhardt Institute of Molecular Biology, RAS, Moscow, Russia
- Institute of Cell Biophysics, RAS, Pushchino, Moscow, Russia
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39
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Funikov SY, Ryazansky SS, Kanapin AA, Logacheva MD, Penin AA, Snezhkina AV, Shilova VY, Garbuz DG, Evgen'ev MB, Zatsepina OG. Interplay between RNA interference and heat shock response systems in Drosophila melanogaster. Open Biol 2017; 6:rsob.160224. [PMID: 27805906 PMCID: PMC5090062 DOI: 10.1098/rsob.160224] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 09/26/2016] [Indexed: 12/20/2022] Open
Abstract
The genome expression pattern is strongly modified during the heat shock response (HSR) to form an adaptive state. This may be partly achieved by modulating microRNA levels that control the expression of a great number of genes that are embedded within the gene circuitry. Here, we investigated the cross-talk between two highly conserved and universal house-keeping systems, the HSR and microRNA machinery, in Drosophila melanogaster We demonstrated that pronounced interstrain differences in the microRNA levels are alleviated after heat shock (HS) to form a uniform microRNA pattern. However, individual strains exhibit different patterns of microRNA expression during the course of recovery. Importantly, HS-regulated microRNAs may target functionally similar HS-responsive genes involved in the HSR. Despite the observed general downregulation of primary microRNA precursor expression as well as core microRNA pathway genes after HS, the levels of many mature microRNAs are upregulated. This indicates that the regulation of miRNA expression after HS occurs at transcriptional and post-transcriptional levels. It was also shown that deletion of all hsp70 genes had no significant effect on microRNA biogenesis but might influence the dynamics of microRNA expression during the HSR.
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Affiliation(s)
- S Yu Funikov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - S S Ryazansky
- Institute of Molecular Genetics, Russian Academy of Sciences, Moscow 123182, Russian Federation
| | | | - M D Logacheva
- Lomonosov Moscow State University, Moscow 119991, Russian Federation
| | - A A Penin
- Lomonosov Moscow State University, Moscow 119991, Russian Federation.,Institute for Information Transmission Problems of the Russian Academy of Sciences, Moscow 127051, Russian Federation
| | - A V Snezhkina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - V Yu Shilova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - D G Garbuz
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - M B Evgen'ev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - O G Zatsepina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russian Federation
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40
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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. ACTA ACUST UNITED AC 2017; 220:4492-4501. [PMID: 29097593 DOI: 10.1242/jeb.164848] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [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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41
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Yuan K, Yuan FH, He HH, Bi HT, Weng SP, He JG, Chen YH. Heat shock 70 kDa protein cognate 5 involved in WSSV toleration of Litopenaeus vannamei. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 72:9-20. [PMID: 28193450 DOI: 10.1016/j.dci.2017.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 06/06/2023]
Abstract
The expression levels of 97 unigenes encoding heat shock proteins of Litopenaeus vannamei was scanned, and ten of them were significantly induced by white spot syndrome virus (WSSV). Among these genes, heat shock 70 kDa protein cognate 5 (LvHSC70-5) was upregulated to the highest extent and subjected to further studies. Subcellular localization assay revealed that LvHSC70-5 was located in the mitochondria. Aside from WSSV infection, unfolded protein response activation and thermal stress could also upregulate LvHSC70-5. Results of reporter gene assay demonstrated that promoter of LvHSC70-5 was activated by L. vannamei heat shock factor protein 1, activating transcription factor 4 and thermal stress. A decrease in the expression of LvHSC70-5 could reduce the aggregation of proteins in hemocytes and the cumulative mortality of WSSV-infected L. vannamei. LvHSC70-5 in L. vannamei hemocytes was upregulated by mild thermal stress. In addition, mild thermal stress, decreased the copy number of WSSV in shrimp muscle and the cumulative mortality of WSSV-infected L. vannamei. Therefore, collecting results suggested that LvHSC70-5 should be involved in WSSV toleration of shrimp L. vannamei.
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Affiliation(s)
- Kai Yuan
- School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China
| | - Feng-Hua Yuan
- School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China
| | - Hong-Hui He
- School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China
| | - Hai-Tao Bi
- School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China
| | - Shao-Ping Weng
- School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China
| | - Jian-Guo He
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/South China Sea Bio-Resource Exploitation and Protection Collaborative Innovation Center (SCS-REPIC)/School of Marine Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; School of Life Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China.
| | - Yi-Hong Chen
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/South China Sea Bio-Resource Exploitation and Protection Collaborative Innovation Center (SCS-REPIC)/School of Marine Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China; State Key Laboratory for Biocontrol/MOE Key Laboratory of Aquatic Product Safety/Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China.
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42
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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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43
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Li Y, Zhao Q, Duan X, Song C, Chen M. Transcription of four Rhopalosiphum padi (L.) heat shock protein genes and their responses to heat stress and insecticide exposure. Comp Biochem Physiol A Mol Integr Physiol 2016; 205:48-57. [PMID: 28025068 DOI: 10.1016/j.cbpa.2016.12.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 12/14/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
Abstract
The bird cherry-oat aphid, Rhopalosiphum padi (L.), a worldwide destructive pest, is more heat tolerant than other wheat aphids, and it has developed resistance to different insecticides. Heat shock proteins (HSPs) play an important role in coping with environmental stresses. To investigate Hsp transcriptional responses to heat and insecticide stress, four full-length Hsp genes from R. padi (RpHsp60, RpHsc70, RpHsp70-1, and RpHsp70-2) were cloned. Four RpHsps were expressed during all R. padi developmental stages, but at varying levels. The mRNA levels of RpHsps were increased under thermal stress and reached maximal induction at a lower temperature (36°C) in the alate morph than in the apterous morph (37°C or 38°C). RpHsp expressions under heat stress suggest that RpHsp70-1 and RpHsp70-2 are inducible in both apterous and alate morphs, RpHsc70 is only heat-inducible in apterous morph, and RpHsp60 exhibits poor sensitivity to heat stress. The pretreatment at 37°C significantly increase both the survival rate and the RpHsps expression level of R. padi at subsequent lethal temperature. Under exposure to two sublethal concentrations (LC10 and LC30) of beta-cypermethrin, both RpHsp70-1 and RpHsp70-2 expressions were induced and reached a maximum 24h after exposure. In contrast, expression of RpHsp60 was not induced by either sublethal concentration of beta-cypermethrin. Moreover, the responses of RpHsp70-1 and RpHsp70-2 to heat shock were more sensitive than those to beta-cypermethrin. These results suggest that induction of RpHsp expression is related to thermal tolerance, and that RpHsp70-1 and RpHsp70-2 are the primary genes involved in the response to both heat and pesticide stress.
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Affiliation(s)
- Yuting Li
- College of Plant Protection, Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, Yangling 712100, China
| | - Qi Zhao
- College of Plant Protection, Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, Yangling 712100, China
| | - Xinle Duan
- College of Plant Protection, Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, Yangling 712100, China
| | - Chunman Song
- Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, Yunnan 650106, China
| | - Maohua Chen
- College of Plant Protection, Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, Yangling 712100, China..
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44
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Huenerlage K, Cascella K, Corre E, Toomey L, Lee CY, Buchholz F, Toullec JY. Responses of the arcto-boreal krill species Thysanoessa inermis to variations in water temperature: coupling Hsp70 isoform expressions with metabolism. Cell Stress Chaperones 2016; 21:969-981. [PMID: 27558691 PMCID: PMC5083667 DOI: 10.1007/s12192-016-0720-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/01/2016] [Accepted: 07/05/2016] [Indexed: 10/21/2022] Open
Abstract
Recent studies have indicated a metabolic temperature sensitivity in both the arcto-boreal krill species Thysanoessa inermis and Thysanoessa raschii that may determine these species' abundance and population persistence at lower latitudes (up to 40° N). T. inermis currently dominates the krill community in the Barents Sea and in the high Arctic Kongsfjord. We aimed to increase the knowledge on the upper thermal limit found in the latter species by estimating the CT50 value (19.7 °C) (critical temperature at which 50 % of animals are reactive) and by linking metabolic rate measurements with molecular approaches. Optical oxygen sensors were used to measure respiration rates in steps of 2 °C (from 0 to 16 °C). To follow the temperature-mediated mechanisms of passive response, i.e., as a proxy for molecular stress, molecular chaperone heat shock protein 70 (Hsp70) sequences were extracted from a transcriptome assembly, and the gene expression kinetics were monitored during an acute temperature exposure to 6 or 10 °C with subsequent recovery at 4 °C. Our results showed upregulation of hsp70 genes, especially the structurally constitutive and mitochondrial isoforms. These findings confirmed the temperature sensitivity of T. inermis and showed that the thermal stress took place before reaching the upper temperature limit estimated by respirometry at 12 °C. This study provides a baseline for further investigations into the thermal tolerances of arcto-boreal Thysanoessa spp. and comparisons with other krill species under different climatic regimes, especially Antarctica.
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Affiliation(s)
- Kim Huenerlage
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Section Functional Ecology, Am Handelshafen 12, 27570, Bremerhaven, Germany.
| | - Kévin Cascella
- Sorbonne Universités, UPMC Université Paris 06, UMR 7144 CNRS, Equipe ABICE, Station Biologique de Roscoff, Roscoff, France
- CNRS, UMR 7144, Adaptation et Diversité en Milieu Marin, Station Biologique de Roscoff, Roscoff, France
| | - Erwan Corre
- Sorbonne Universités, UPMC Université Paris 06, FR 2424 CNRS, ABiMS, Station Biologique de Roscoff, Roscoff, France
- CNRS, FR 2424, Station Biologique de Roscoff, Roscoff, France
| | - Lola Toomey
- Sorbonne Universités, UPMC Université Paris 06, UMR 7144 CNRS, Equipe ABICE, Station Biologique de Roscoff, Roscoff, France
- CNRS, UMR 7144, Adaptation et Diversité en Milieu Marin, Station Biologique de Roscoff, Roscoff, France
| | - Chi-Ying Lee
- Department of Biology, National Changhua University of Education, Changhua, 50058, Taiwan
| | - Friedrich Buchholz
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Section Functional Ecology, Am Handelshafen 12, 27570, Bremerhaven, Germany
| | - Jean-Yves Toullec
- Sorbonne Universités, UPMC Université Paris 06, UMR 7144 CNRS, Equipe ABICE, Station Biologique de Roscoff, Roscoff, France.
- CNRS, UMR 7144, Adaptation et Diversité en Milieu Marin, Station Biologique de Roscoff, Roscoff, France.
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Zhang B, Peng Y, Zheng J, Liang L, Hoffmann AA, Ma CS. Response of heat shock protein genes of the oriental fruit moth under diapause and thermal stress reveals multiple patterns dependent on the nature of stress exposure. Cell Stress Chaperones 2016; 21:653-63. [PMID: 27125786 PMCID: PMC4907996 DOI: 10.1007/s12192-016-0690-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 03/24/2016] [Accepted: 04/11/2016] [Indexed: 11/24/2022] Open
Abstract
Heat shock protein gene (Hsp) families are thought to be important in thermal adaptation, but their expression patterns under various thermal stresses have still been poorly characterized outside of model systems. We have therefore characterized Hsp genes and their stress responses in the oriental fruit moth (OFM), Grapholita molesta, a widespread global orchard pest, and compared patterns of expression in this species to that of other insects. Genes from four Hsp families showed variable expression levels among tissues and developmental stages. Members of the Hsp40, 70, and 90 families were highly expressed under short exposures to heat and cold. Expression of Hsp40, 70, and Hsc70 family members increased in OFM undergoing diapause, while Hsp90 was downregulated. We found that there was strong sequence conservation of members of large Hsp families (Hsp40, Hsp60, Hsp70, Hsc70) across taxa, but this was not always matched by conservation of expression patterns. When the large Hsps as well as small Hsps from OFM were compared under acute and ramping heat stress, two groups of sHsps expression patterns were apparent, depending on whether expression increased or decreased immediately after stress exposure. These results highlight potential differences in conservation of function as opposed to sequence in this gene family and also point to Hsp genes potentially useful as bioindicators of diapause and thermal stress in OFM.
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Affiliation(s)
- Bo Zhang
- Group of Climate Change Biology, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Rd, Beijing, 100193, China
| | - Yu Peng
- Group of Climate Change Biology, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Rd, Beijing, 100193, China
| | - Jincheng Zheng
- Group of Climate Change Biology, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Rd, Beijing, 100193, China
| | - Lina Liang
- Group of Climate Change Biology, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Rd, Beijing, 100193, China
| | - Ary A Hoffmann
- Pest and Environmental Adaptation Research Group, Bio21 Institute, School of BioSciences, The University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Chun-Sen Ma
- Group of Climate Change Biology, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Rd, Beijing, 100193, China.
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Fortney NW, He S, Converse BJ, Beard BL, Johnson CM, Boyd ES, Roden EE. Microbial Fe(III) oxide reduction potential in Chocolate Pots hot spring, Yellowstone National Park. GEOBIOLOGY 2016; 14:255-275. [PMID: 26750514 DOI: 10.1111/gbi.12173] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 11/10/2015] [Indexed: 06/05/2023]
Abstract
Chocolate Pots hot springs (CP) is a unique, circumneutral pH, iron-rich, geothermal feature in Yellowstone National Park. Prior research at CP has focused on photosynthetically driven Fe(II) oxidation as a model for mineralization of microbial mats and deposition of Archean banded iron formations. However, geochemical and stable Fe isotopic data have suggested that dissimilatory microbial iron reduction (DIR) may be active within CP deposits. In this study, the potential for microbial reduction of native CP Fe(III) oxides was investigated, using a combination of cultivation dependent and independent approaches, to assess the potential involvement of DIR in Fe redox cycling and associated stable Fe isotope fractionation in the CP hot springs. Endogenous microbial communities were able to reduce native CP Fe(III) oxides, as documented by most probable number enumerations and enrichment culture studies. Enrichment cultures demonstrated sustained DIR driven by oxidation of acetate, lactate, and H2 . Inhibitor studies and molecular analyses indicate that sulfate reduction did not contribute to observed rates of DIR in the enrichment cultures through abiotic reaction pathways. Enrichment cultures produced isotopically light Fe(II) during DIR relative to the bulk solid-phase Fe(III) oxides. Pyrosequencing of 16S rRNA genes from enrichment cultures showed dominant sequences closely affiliated with Geobacter metallireducens, a mesophilic Fe(III) oxide reducer. Shotgun metagenomic analysis of enrichment cultures confirmed the presence of a dominant G. metallireducens-like population and other less dominant populations from the phylum Ignavibacteriae, which appear to be capable of DIR. Gene (protein) searches revealed the presence of heat-shock proteins that may be involved in increased thermotolerance in the organisms present in the enrichments as well as porin-cytochrome complexes previously shown to be involved in extracellular electron transport. This analysis offers the first detailed insight into how DIR may impact the Fe geochemistry and isotope composition of a Fe-rich, circumneutral pH geothermal environment.
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Affiliation(s)
- N W Fortney
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - S He
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - B J Converse
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - B L Beard
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - C M Johnson
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - E S Boyd
- Department of Microbiology and Immunology, NASA Astrobiology Institute, Montana State University, Bozeman, MT, USA
| | - E E Roden
- Department of Geoscience, NASA Astrobiology Institute, University of Wisconsin-Madison, Madison, WI, USA
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Identification, genomic organization and expression profiles of four heat shock protein genes in the western flower thrips, Frankliniella occidentalis. J Therm Biol 2016; 57:110-8. [PMID: 27033046 DOI: 10.1016/j.jtherbio.2016.03.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 03/11/2016] [Accepted: 03/13/2016] [Indexed: 11/21/2022]
Abstract
The western flower thrips, Frankliniella occidentalis, is an important invasive pest with a strong tolerance for extreme temperatures; however, the molecular mechanisms that regulate thermotolerance in this insect remain unclear. In this study, four heat shock protein genes were cloned from F. occidentalis and named Fohsp90, Fohsc701, Fohsc702 and Fohsp60. These four Hsps exhibited typical characteristics of heat shock proteins. Subcellular localization signals and phylogenetic analysis indicated that FoHsp90 and FoHsc701 localize to the cytosol, whereas FoHsc702 and FoHsp60 were located in the endoplasmic reticulum and mitochondria, respectively. Analysis of genomic sequences revealed the presence of introns in the four genes (three, four, seven, and five introns for Fohsp90, Fohsc701, Fohsc702 and Fohsp60, respectively). Both the number and position of introns in these four genes were quite different from analogous genes in other species. qRT-PCR indicated that the four Fohsps were detected in second-stage larvae, one-day-old pupae, and one-day-old adults, and mRNA expression levels were lowest in larvae and highest in pupae. Fohsc701 and Fohsc702 possessed similar expression patterns and were not induced by cold or heat stress. Expression of Fohsp60 was significantly elevated by heat, and Fohsp90 was rapidly up-regulated after exposure to both cold and heat stress. Exposure to -8°C had no effect on expression of the four Fohsps; however, expression of Fohsp90 and Fohsp60 was highest after a 2-h incubation at 39°C. Furthermore, cold and heat hardening led to significant up-regulation of the four Fohsps compared to their respective controls. Collectively, our results indicate that the four FoHsps contribute to insect development and also function in rapid cold or heat hardening; furthermore, FoHsp90 and FoHsp60 contribute to thermotolerance in F. occidentalis.
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Papot C, Cascella K, Toullec JY, Jollivet D. Divergent ecological histories of two sister Antarctic krill species led to contrasted patterns of genetic diversity in their heat-shock protein (hsp70) arsenal. Ecol Evol 2016; 6:1555-75. [PMID: 27087928 PMCID: PMC4775515 DOI: 10.1002/ece3.1989] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 12/28/2015] [Accepted: 01/03/2016] [Indexed: 11/12/2022] Open
Abstract
The Arctic and the Antarctic Peninsula are currently experiencing some of the most rapid rates of ocean warming on the planet. This raises the question of how the initial adaptation to extreme cold temperatures was put in place and whether or not directional selection has led to the loss of genetic variation at key adaptive systems, and thus polar species’ (re)adaptability to higher temperatures. In the Southern Ocean, krill represents the most abundant fauna and is a critical member at the base of the Antarctic food web. To better understand the role of selection in shaping current patterns of polymorphisms, we examined genetic diversity of the cox‐1 and hsp70 genes by comparing two closely related species of Euphausiid that differ in ecology. Results on mtcox‐1 agreed with previous studies, indicating high and similar effective population sizes. However, a coalescent‐based approach on hsp70 genes highlighted the role of positive selection and past demographic changes in their recent evolution. Firstly, some form of balancing selection was acting on the inducible isoform C, which reflected the maintenance of an ancestral adaptive polymorphism in both species. Secondly, E. crystallorophias seems to have lost most of its hsp70 diversity because of a population crash and/or directional selection to cold. Nonsynonymous diversities were always greater in E. superba, suggesting that it might have evolved under more heterogeneous conditions. This can be linked to species’ ecology with E. superba living in more variable pelagic conditions, while E. crystallorophias is strictly associated with continental shelves and sea ice.
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Affiliation(s)
- Claire Papot
- Université de Lille 1 CNRS UMR 8198 Groupe 'Ecoimmunology of Marine Annelids' Bât SN2, 1er étage porte 113 59655 Villeneuve d'Ascq France
| | - Kévin Cascella
- CNRS UMR 7144 Equipe ABICE Station Biologique de Roscoff 29682 Roscoff France; Laboratoire 'Adaptation et Diversité en Milieu Marin' UPMC Station Biologique 29682 Roscoff France
| | - Jean-Yves Toullec
- CNRS UMR 7144 Equipe ABICE Station Biologique de Roscoff 29682 Roscoff France; Laboratoire 'Adaptation et Diversité en Milieu Marin' UPMC Station Biologique 29682 Roscoff France
| | - Didier Jollivet
- CNRS UMR 7144 Equipe ABICE Station Biologique de Roscoff 29682 Roscoff France; Laboratoire 'Adaptation et Diversité en Milieu Marin' UPMC Station Biologique 29682 Roscoff France
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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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Malewski T, Bogdanowicz W, Durska E, Łoś M, Kamiński M, Kowalewska K. Expression profiling of heat shock genes in a scuttle fly Megaselia scalaris (Diptera, Phoridae). ACTA ACUST UNITED AC 2015; 323:704-713. [PMID: 26477614 DOI: 10.1002/jez.1963] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Revised: 07/08/2015] [Accepted: 08/01/2015] [Indexed: 11/10/2022]
Abstract
The Phoridae are a family of small, hump-backed flies, dominating in post-fire areas. Some of these flies are probably able to survive a fire as an egg, larva, or pupa, and may be adapted to the fire-altered environment at the genomic level. In this study, we describe the influence of short-term temperature treatment on the expression of seven heat shock protein genes in the third-instar larvae and imagoes of a scuttle fly Megaselia scalaris-one of the cosmopolitan and polyphagous phorids. In terms of the response to temperature treatment, these genes tested against tubulin as a reference split into three classes. The first class consists of hsp22 (larvae), hsp23 (larvae), and hsp26 (both larvae and imagoes), and is upregulated at the lowest temperature (33°C). The second class consists of hsp22 (imagoes), hsp23 (imagoes), hsp40 (larvae and imagoes), and hsp70 (larvae and imagoes), and is upregulated or induced at 37°C. Expression of genes of the third class (hsp27 and hsp83-larvae and imagoes) increased after treatment at 41°C temperature. Expression of the first two classes of genes occurred at a temperature lower than the LT50 of larvae and imagoes. The fact that there is a gap between the temperature upregulating hsp genes and the temperature leading to the loss of viability suggests that not only the level of hsp gene expression but also the temperature at which gene expression increased is important in an adaptation of M. scalaris to harsh environment. J. Exp. Zool. 323A: 704-713, 2015. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Tadeusz Malewski
- Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
| | - Wiesław Bogdanowicz
- Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
| | - Ewa Durska
- Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
| | - Marta Łoś
- Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
| | - Marcin Kamiński
- Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
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