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Tilikj N, de la Fuente M, González ABM, Martínez-Guitarte JL, Novo M. Surviving in a multistressor world: Gene expression changes in earthworms exposed to heat, desiccation, and chemicals. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104428. [PMID: 38570150 DOI: 10.1016/j.etap.2024.104428] [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: 01/18/2024] [Revised: 03/18/2024] [Accepted: 03/21/2024] [Indexed: 04/05/2024]
Abstract
An investigation of the effects of anthropogenic stress on terrestrial ecosystems is urgently needed. In this work, we explored how exposure to heat, desiccation, and chemical stress alters the expression of genes that encode heat shock proteins (HSPs), an enzyme that responds to oxidative stress (CAT), hypoxia-related proteins (HIF1 and HYOU), and a DNA repair-related protein (PARP1) in the earthworm Eisenia fetida. Exposure to heat (31°C) for 24 h upregulated HSPs and hypoxia-related genes, suggesting possible acquired thermotolerance. Desiccation showed a similar expression profile; however, the HSP response was activated to a lesser extent. Heat and desiccation activated the small HSP at 24 h, suggesting that they may play a role in adaptation. Simultaneous exposure to endosulfan and temperature for 7 h upregulated all of the evaluated genes, implicating a coordinated response involving multiple biological processes to ensure survival and acclimation. These results highlight the relevance of multistress analysis in terrestrial invertebrates.
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Affiliation(s)
- Natasha Tilikj
- Departamento de Biodiversidad, Ecología y Evolución, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, C/José Antonio Nováis 12, Madrid 28040, Spain.
| | - Mercedes de la Fuente
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - Ana Belén Muñiz González
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - José-Luis Martínez-Guitarte
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - Marta Novo
- Departamento de Biodiversidad, Ecología y Evolución, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, C/José Antonio Nováis 12, Madrid 28040, Spain
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Kumar V, Roy S, Behera BK, Das BK. Heat Shock Proteins (Hsps) in Cellular Homeostasis: A Promising Tool for Health Management in Crustacean Aquaculture. Life (Basel) 2022; 12:1777. [PMID: 36362932 PMCID: PMC9699388 DOI: 10.3390/life12111777] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 09/28/2023] Open
Abstract
Heat shock proteins (Hsps) are a family of ubiquitously expressed stress proteins and extrinsic chaperones that are required for viability and cell growth in all living organisms. These proteins are highly conserved and produced in all cellular organisms when exposed to stress. Hsps play a significant role in protein synthesis and homeostasis, as well as in the maintenance of overall health in crustaceans against various internal and external environmental stresses. Recent reports have suggested that enhancing in vivo Hsp levels via non-lethal heat shock, exogenous Hsps, or plant-based compounds, could be a promising strategy used to develop protective immunity in crustaceans against both abiotic and biotic stresses. Hence, Hsps as the agent of being an immune booster and increasing disease resistance will present a significant advancement in reducing stressful conditions in the aquaculture system.
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Affiliation(s)
| | | | - Bijay Kumar Behera
- Aquatic Environmental Biotechnology and Nanotechnology (AEBN) Division, ICAR-Central Inland Fisheries Research Institute (CIFRI), Barrackpore 700120, India
| | - Basanta Kumar Das
- Aquatic Environmental Biotechnology and Nanotechnology (AEBN) Division, ICAR-Central Inland Fisheries Research Institute (CIFRI), Barrackpore 700120, India
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3
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Park JC, Lee JS. Genome-wide identification of heat shock proteins in harpacticoid, cyclopoid, and calanoid copepods: Potential application in marine ecotoxicology. MARINE POLLUTION BULLETIN 2021; 169:112545. [PMID: 34111604 DOI: 10.1016/j.marpolbul.2021.112545] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 05/19/2021] [Accepted: 05/21/2021] [Indexed: 06/12/2023]
Abstract
Constant evolution of omics-technologies has provided access to identification of various important gene families. Recently, genome assemblies on widely used ecotoxicological model species, including rotifers and copepods have been completed and representative detoxification-related gene families have been discovered for biomarker genes. However, despite ubiquitous presence of stress-response proteins, limited information on full genome-wide report on heat shock proteins (Hsps) is available. Various studies have demonstrated multiple cellular functions of Hsps in living organisms as an important biomarker in response to abiotic and biotic stressors, however, full genome-wide identification of Hsps, particularly in aquatic invertebrates, has not been reported. This is the first study to report the entire Hsps and basal gene expression levels in three regional-specific copepods: Tigriopus japonicus and kingsejongensis, Paracyclopina nana, and Eurytemora affnis, and how each Hsp family gene is regulated at a basal level.
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Affiliation(s)
- Jun Chul Park
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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Li C, Zhao W, Qin C, Yu G, Ma Z, Guo Y, Pan W, Fu Z, Huang X, Chen J. Comparative transcriptome analysis reveals changes in gene expression in sea cucumber (Holothuria leucospilota) in response to acute temperature stress. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 40:100883. [PMID: 34303260 DOI: 10.1016/j.cbd.2021.100883] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/10/2021] [Accepted: 07/12/2021] [Indexed: 12/13/2022]
Abstract
Ambient temperature is an important abiotic factor that influences growth performance and physiological functions in sea cucumbers. To understand the molecular responses of the sea cucumber Holothuria leucospilota to acute temperature stress, we performed a de novo transcriptome analysis of body wall tissue from H. leucospilota exposed to 2 hoursh of acute heat (35 ± 1 °C) and cold stress (15 ± 1 °C). A total of 99,015 unigenes were obtained after assembly of the sequenced reads. Compared with a control group maintained at 25.0 ± 1 °C, 1169 differentially expressed unigenes (DEGs) were identified after heat stress, 781 were up-regulated and 388 were down-regulated. After cold stress, 1464 DEGs were identified; 900 were up-regulated and 564 were down-regulated. The annotation of DEGs revealed that heat shock proteins play important roles in protecting H. leucospilota from high temperature stress. Furthermore, KEGG pathway enrichment analysis showed that the categories: "Ribosome" and "Protein processing in endoplasmic reticulum" were strongly affected by heat stress. These two pathways are associated with biosynthesis and processing of proteins, and refolding of misfolded proteins. The lipid metabolism pathways "Sphingolipid metabolism" and "Ether lipid metabolism", were affected by cold stress. The RNA-Seq results for eight selected DEGs were verified the expression by quantitative real-time PCR analysis. Our results will improve the understanding of the molecular response mechanisms of H. leucospilota to ambient temperature stress.
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Affiliation(s)
- Changlin Li
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China
| | - Wang Zhao
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China; Sanya Tropical Fisheries Research Institute, Sanya 572018, China
| | - Chuanxin Qin
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China.
| | - Gang Yu
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China.
| | - Zhenhua Ma
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China
| | - Yu Guo
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China
| | - Wanni Pan
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China
| | - Zhengyi Fu
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China; Sanya Tropical Fisheries Research Institute, Sanya 572018, China
| | - Xingmei Huang
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China; Sanya Tropical Fisheries Research Institute, Sanya 572018, China
| | - Jisheng Chen
- South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, China; National Fishery Resources and Environment Dapeng Observation and Experimental Station, Shenzhen, China
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Yang S, Zhao T, Ma A, Huang Z, Yang J, Yuan C, Guo X, Zhu C. Heat stress-induced HSP90 expression is dependent on ERK and HSF1 activation in turbot (Scophthalmus maximus) kidney cells. Cell Stress Chaperones 2021; 26:173-185. [PMID: 33025381 PMCID: PMC7736437 DOI: 10.1007/s12192-020-01166-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 01/01/2023] Open
Abstract
Mitogen-activated protein kinases (MAPKs) and heat shock proteins (HSPs) are ubiquitous proteins that are functional mediators in both normal and stressed states of the cell. In this study, we performed heat stress (37 °C) experiments on turbot kidney (TK) cells. Heat stress expression patterns of HSP90, as well as the expression and phosphorylation levels of extracellular-regulated signal kinases (ERKs) and the transcription factor HSF1 and c-Fos, were examined. The results show that heat stress activates ERK1/2 and HSF1, and induces HSP90 gene expression in TK cells. Inhibition of ERK activation attenuates heat stress-induced HSP90 gene expression. The double luciferase reporter gene experiment showed that HSF1 is an important transcription factor for heat-induced HSP90 gene expression. Likewise, c-Fos does not directly regulate the heat-induced expression of HSP90 in turbot kidney cells. To our knowledge, this is the first study to report a signaling pathway that regulates the heat shock response in turbot cells. Our results may facilitate an understanding of the underlying molecular mechanisms of the cellular stress response in marine fish.
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Affiliation(s)
- Shuangshuang Yang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
- Shandong Qilu Cell Therapy Engineering Technology Co., Ltd, Jinan, 250000, China
| | - Tingting Zhao
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Aijun Ma
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China.
| | - Zhihui Huang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
| | - Jingkun Yang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
| | - Chenhao Yuan
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
| | - Xiaoli Guo
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Chunyue Zhu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No.106 Nanjing Road, Qingdao, 266071, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
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Park JC, Kim DH, Lee Y, Lee MC, Kim TK, Yim JH, Lee JS. Genome-wide identification and structural analysis of heat shock protein gene families in the marine rotifer Brachionus spp.: Potential application in molecular ecotoxicology. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 36:100749. [PMID: 33065474 DOI: 10.1016/j.cbd.2020.100749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/26/2020] [Accepted: 09/26/2020] [Indexed: 01/07/2023]
Abstract
Heat shock proteins (Hsp) are class of conserved and ubiquitous stress proteins present in all living organisms from primitive to higher level. Various studies have demonstrated multiple cellular functions of Hsp in living organisms as an important biomarker in response to abiotic and biotic stressors including temperature, salinity, pH, hypoxia, environmental pollutants, and pathogens. However, full understanding on the mechanism and pathway involved in the induction of Hsp still remains challenging, especially in aquatic invertebrates. In this study, the entire Hsp family and subfamily members in the marine rotifers Brachionus spp., one of the cosmopolitan ecotoxicological model organisms, have been genome-widely identified. In Brachionus spp. Hsp family was comprised of Hsp10, small hsp (sHsp), Hsp40, Hsp60, Hsp70/105, and Hsp90, with highest number of genes found within Hsp40 DnaJ homolog subfamily C members. Also, the differences in the orientation of the conserved motifs within Hsp family may have induced differences in transcriptional gene modulation in response to thermal stress in Brachionus koreanus. Overall, Hsp family-specific domains were highly conserved in all three Brachionus spp., relative to Homo sapiens and across other animal taxa and these findings will be helpful for future ecotoxicological studies focusing on Hsps.
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Affiliation(s)
- Jun Chul Park
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Duck-Hyun Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Yoseop Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Chul Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Tai Kyoung Kim
- Division of Polar Life Science, Korea Polar Research Institute, Incheon 21990, South Korea
| | - Joung Han Yim
- Division of Polar Life Science, Korea Polar Research Institute, Incheon 21990, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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Feng J, Zhang L, Xia X, Hu W, Zhou P. Effect of geographic variation on the proteome of sea cucumber (Stichopus japonicus). Food Res Int 2020; 136:109498. [PMID: 32846579 DOI: 10.1016/j.foodres.2020.109498] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/09/2020] [Accepted: 06/24/2020] [Indexed: 12/26/2022]
Abstract
Sea cucumber is a sensitive organism that is easily challenged by environmental change. The aim of this study was to characterize the proteome of sea cucumbers from 5 main Chinese origins, including Xiamen (XM), Dalian (DL), Weihai (WH), Yantai (YT) and Qingdao (QD). In this work, a tandem mass tag (TMT) labeling proteomic approach was applied to identify and quantify the proteome of sea cucumber. A total of 5051 proteins were identified in the body wall; among those proteins, 1594 proteins (31.6%) were identified as enzyme proteins, and 33 proteins belonged to collagen. In addition, the 10 most highly abundant proteins were further discussed. Among all quantified proteins, 2266 were significantly differentially expressed proteins (SDEPs) across the 5 origins. These SDEPs were related to pigmentation (5 proteins), antioxidant activity (13 proteins), and immune system processes (29 proteins). Based on SDEPs, DL differed the most from QD and XM, as well as WH and YT, as shown in principal component analysis (PCA) and hierarchical clustering. In conclusion, one-fourth of the significantly different proteins found in the sea cucumber body wall among the 5 main Chinese locations indicated the sensitivity of sea cucumber to variations in temperature, environment, and feeding.
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Affiliation(s)
- Jianhui Feng
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
| | - Lina Zhang
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China.
| | - Xubin Xia
- Shandong Homey Aquatic Development CO., Rongcheng, Shandong Province 264000, China
| | - Wei Hu
- Shandong Homey Aquatic Development CO., Rongcheng, Shandong Province 264000, China
| | - Peng Zhou
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China.
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8
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Xu D, Wang X. Lysine Acetylation is an Important Post-Translational Modification that Modulates Heat Shock Response in the Sea Cucumber Apostichopus japonicus. Int J Mol Sci 2019; 20:ijms20184423. [PMID: 31505730 PMCID: PMC6770049 DOI: 10.3390/ijms20184423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/30/2019] [Accepted: 09/04/2019] [Indexed: 12/19/2022] Open
Abstract
Heat stress (HS) is an important factor for the survival of the marine organism Apostichopus japonicus. Lysine acetylation is a pivotal post-translational modification that modulates diverse physiological processes including heat shock response (HSR). In this study, 4028 lysine acetylation sites in 1439 proteins were identified in A. japonicus by acetylproteome sequencing. A total of 13 motifs were characterized around the acetylated lysine sites. Gene Ontology analysis showed that major acetylated protein groups were involved in “oxidation–reduction process”, “ribosome”, and “protein binding” terms. Compared to the control group, the acetylation quantitation of 25 and 41 lysine sites changed after 6 and 48 h HS. Notably, lysine acetyltransferase CREB-binding protein (CBP) was identified to have differential acetylation quantitation at multiple lysine sites under HS. Various chaperones, such as caseinolytic peptidase B protein homolog (CLBP), T-complex protein 1 (TCP1), and cyclophilin A (CYP1), showed differential acetylation quantitation after 48 h HS. Additionally, many translation-associated proteins, such as ribosomal proteins, translation initiation factor (IF), and elongation factors (EFs), had differential acetylation quantitation under HS. These proteins represented specific interaction networks. Collectively, our results offer novel insight into the complex HSR in A. japonicus and provide a resource for further mechanistic studies examining the regulation of protein function by lysine acetylation.
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Affiliation(s)
- Dongxue Xu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Xuan Wang
- Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China.
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Li C, Xu D. Understanding microRNAs regulation in heat shock response in the sea cucumber Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2018; 81:214-220. [PMID: 30016683 DOI: 10.1016/j.fsi.2018.07.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/11/2018] [Accepted: 07/13/2018] [Indexed: 06/08/2023]
Abstract
The sea cucumber Apostichopus japonicus is a valuable species in China. The extreme high temperature in the summer often results in high mortality. MicroRNAs (miRNAs) play important post-transcriptional regulatory roles in gene expression and can influence heat shock response (HSR) greatly. In this study, we determined the expression profiles of miRNAs under heat stress (HS) in A. japonicus by using high-throughput sequencing technique. Among the differential expression miRNAs, we highlighted 41 differentially expressed miRNAs, many of which were involved in immunity process and disease regulation. Gene ontology and pathway analyses of putative target genes were also carried out. Cell-substrate adherens junction and cell-substrate junction were significantly enriched in GO analysis. Moreover, we made a correlation analysis between remarkable miRNAs and the differentially expressed genes (DEGs) in sea cucumbers under HS. We identified 17 key miRNA-target pairs potentially regulated HSR of sea cucumbers. These results will provide new insights about miRNAs regulation and molecular adaptive mechanisms in sea cucumbers under HS.
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Affiliation(s)
- Chao Li
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Dongxue Xu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China.
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Han J, Lee MC, Park JC, Kim S, Lee JS. Effects of temperature shifts on life parameters and expression of fatty acid synthesis and heat shock protein genes in temperate and Antarctic copepods Tigriopus japonicus and Tigriopus kingsejongensis. Polar Biol 2018. [DOI: 10.1007/s00300-018-2382-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Xu D, Zhou S, Sun L. RNA-seq based transcriptional analysis reveals dynamic genes expression profiles and immune-associated regulation under heat stress in Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2018; 78:169-176. [PMID: 29684611 DOI: 10.1016/j.fsi.2018.04.037] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 04/08/2018] [Accepted: 04/18/2018] [Indexed: 06/08/2023]
Abstract
In this study, we explored the gene expression profiles in Apostichopus japonicus under continuous heat stress (6 h, 48 h and 192 h) by applying RNA-seq technique. A total of 676, 1010 and 1083 differentially expressed genes were detected at three heat stress groups respectively, which suggested complex regulation of various biological processes. Then we focused on the changing of immune system under HS in sea cucumbers. Key immune-associated genes were involved in heat stress response, which were classified into six groups: heat shock proteins, transferrin superfamily members, effector genes, proteases, complement system, and pattern recognition receptors and signaling. Moreover, the mRNA expression of the immune-associated genes were validated by the real time PCR. Our results showed that an immunological strategy in this species was developed to confront abrupt elevated temperatures in the environment.
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Affiliation(s)
- Dongxue Xu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Shun Zhou
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Lina Sun
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
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12
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Differential gene expression in the intestine of sea cucumber (Apostichopus japonicus) under low and high salinity conditions. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2017; 25:34-41. [PMID: 29145027 DOI: 10.1016/j.cbd.2017.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/20/2017] [Accepted: 11/01/2017] [Indexed: 01/04/2023]
Abstract
Sea cucumber, Apostichopus japonicus is an important species for aquaculture, and its behavior and physiology can change in response to changing salinity conditions. For this reason, it is important to understand the molecular responses of A. japonicus when exposed to ambient changes in salinity. In this study, RNA-Seq provided a general overview of the gene expression profiles in the intestine of A. japonicus exposed to high salinity (SD40), normal salinity (SD30) and low salinity (SD20) environments. Screening for differentially expressed genes (DEGs) using the NOISeq method identified 109, 100, and 89 DEGs based on a fold change of ≥2 and divergence probability ≥0.8 according to the comparisons of SD20 vs. SD30, SD20 vs.SD40, and SD30 vs. SD40, respectively. Gene ontology analysis showed that the terms "metabolic process" and "catalytic activity" comprised the most enriched DEGs. These fell into the categories of "biological process" and "molecular function". While "cell" and "cell part" had the most enriched DEGs in the category of "cellular component". With these DEGs mapping to 2119, 159, and 160 pathways in the Kyoto Encyclopedia of Genes and Genomes database. Of these 51, 2, and 57 pathways were significantly enriched, respectively. The osmosis-specific DEGs identified in this study of A. japonicus will be important targets for further studies to understand the biochemical mechanisms involved with the adaption of sea cucumbers to changes in salinity.
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13
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Qi Z, Wilkinson MN, Chen X, Sankararaman S, Mayhew D, Mitra RD. An optimized, broadly applicable piggyBac transposon induction system. Nucleic Acids Res 2017; 45:e55. [PMID: 28082389 PMCID: PMC5397163 DOI: 10.1093/nar/gkw1290] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 01/01/2017] [Indexed: 11/29/2022] Open
Abstract
The piggyBac (PB) transposon has been used in a number of biological applications. The insertion of PB transposons into the genome can disrupt genes or regulatory regions, impacting cellular function, so for many experiments it is important that PB transposition is tightly controlled. Here, we systematically characterize three methods for the post-translational control of the PB transposon in four cell lines. We investigated fusions of the PB transposase with ERT2 and two degradation domains (FKBP-DD, DHFR-DD), in multiple orientations, and determined (i) the fold-induction achieved, (ii) the absolute transposition efficiency of the activated construct and (iii) the effects of two inducer molecules on cellular transcription and function. We found that the FKBP-DD confers the PB transposase with a higher transposition activity and better dynamic range than can be achieved with the other systems. In addition, we found that the FKBP-DD regulates transposon activity in a reversible and dose-dependent manner. Finally, we showed that Shld1, the chemical inducer of FKBP-DD, does not interfere with stem cell differentiation, whereas tamoxifen has significant effects. We believe the FKBP-based PB transposon induction will be useful for transposon-mediated genome engineering, insertional mutagenesis and the genome-wide mapping of transcription factor binding.
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Affiliation(s)
- Zongtai Qi
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
| | - Michael Nathaniel Wilkinson
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
| | - Xuhua Chen
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
| | - Sumithra Sankararaman
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
| | - David Mayhew
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
| | - Robi David Mitra
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University, School of Medicine, St. Louis, MO 63108, USA
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Vergara-Amado J, Silva AX, Manzi C, Nespolo RF, Cárdenas L. Differential expression of stress candidate genes for thermal tolerance in the sea urchin Loxechinus albus. J Therm Biol 2017; 68:104-109. [DOI: 10.1016/j.jtherbio.2017.03.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 03/15/2017] [Accepted: 03/19/2017] [Indexed: 12/14/2022]
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The Role of Heat Shock Proteins in Response to Extracellular Stress in Aquatic Organisms. HEAT SHOCK PROTEINS 2017. [DOI: 10.1007/978-3-319-73377-7_9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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16
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Wang H, Li C, Wang Z, Shao Y, Lv Z, Zhang W. p44/42MAPK and p90RSK modulate thermal stressed physiology response in Apostichopus japonicus. Comp Biochem Physiol B Biochem Mol Biol 2016; 196-197:57-66. [DOI: 10.1016/j.cbpb.2016.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 02/26/2016] [Accepted: 02/26/2016] [Indexed: 01/31/2023]
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17
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González K, Gaitán-Espitia J, Font A, Cárdenas CA, González-Aravena M. Expression pattern of heat shock proteins during acute thermal stress in the Antarctic sea urchin, Sterechinus neumayeri. REVISTA CHILENA DE HISTORIA NATURAL 2016. [DOI: 10.1186/s40693-016-0052-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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18
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Xu D, Sun L, Liu S, Zhang L, Yang H. Molecular cloning of hsf1 and hsbp1 cDNAs, and the expression of hsf1, hsbp1 and hsp70 under heat stress in the sea cucumber Apostichopus japonicus. Comp Biochem Physiol B Biochem Mol Biol 2016; 198:1-9. [PMID: 26952354 DOI: 10.1016/j.cbpb.2016.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 03/02/2016] [Accepted: 03/02/2016] [Indexed: 02/07/2023]
Abstract
The heat shock response (HSR) is known for the elevated synthesis of heat shock proteins (HSPs) under heat stress, which is mediated primarily by heat shock factor 1 (HSF1). Heat shock factor binding protein 1 (HSBP1) and feedback control of heat shock protein 70 (HSP70) are major regulators of the activity of HSF1. We obtained full-length cDNA of genes hsf1 and hsbp1 in the sea cucumber Apostichopus japonicus, which are the second available for echinoderm (after Strongylocentrotus purpuratus), and the first available for holothurian. The full-length cDNA of hsf1 was 2208bp, containing a 1326bp open reading frame encoding 441 amino acids. The full-length cDNA of hsbp1 was 2850bp, containing a 225bp open reading frame encoding 74 amino acids. The similarities of A. japonicus HSF1 with other species are low, and much higher similarity identities of A. japonicus HSBP1 were shared. Phylogenetic trees showed that A. japonicus HSF1 and HSBP1 were clustered with sequences from S. purpuratus, and fell into distinct clades with sequences from mollusca, arthropoda and vertebrata. Analysis by real-time PCR showed hsf1 and hsbp1 mRNA was expressed constitutively in all tissues examined. The expression of hsf1, hsbp1 and hsp70 in the intestine at 26°C was time-dependent. The results of this study might provide new insights into the regulation of heat shock response in this species.
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Affiliation(s)
- Dongxue Xu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China; University of Chinese Academy of Sciences, Beijing, PR China
| | - Lina Sun
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China.
| | - Shilin Liu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Libin Zhang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Hongsheng Yang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China.
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Understanding the Heat Shock Response in the Sea Cucumber Apostichopus japonicus, Using iTRAQ-Based Proteomics. Int J Mol Sci 2016; 17:150. [PMID: 26861288 PMCID: PMC4783884 DOI: 10.3390/ijms17020150] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 01/13/2016] [Accepted: 01/20/2016] [Indexed: 12/22/2022] Open
Abstract
The sea cucumber Apostichopus japonicus is exploited as a commercial species owing to their high nutritive and medicinal value. Recent high summer temperatures have caused high mortality rates in A. japonicus. In this study, we applied the isobaric tag for relative and absolute quantitation (iTRAQ) technique to investigate the global protein expression profile under an acute short-term (48 h) heat stress. In total, 3432 proteins were identified, and 127 proteins showed significant heat stress responses, with 61 upregulated proteins and 66 downregulated proteins. Our results suggest that heat stress influenced the expression of proteins involved in various biological processes, such as tissue protection and detoxification, lipid and amino acid metabolism, energy production and usage, transcription and translation, cell apoptosis, and cell proliferation. These findings provide a better understanding about the response and thermo-tolerance mechanisms of A. japonicus under heat stress.
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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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Xu D, Sun L, Liu S, Zhang L, Yang H. Histological, ultrastructural and heat shock protein 70 (HSP70) responses to heat stress in the sea cucumber Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2015; 45:321-326. [PMID: 25917397 DOI: 10.1016/j.fsi.2015.04.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 04/02/2015] [Accepted: 04/15/2015] [Indexed: 06/04/2023]
Abstract
The aquaculture industry for Apostichopus japonicus has suffered severe economic and resource losses due to high temperature in recent summers. There is increasing concern about the effect of high temperature on this species. Histological, ultrastructural and HSP70 responses to heat stress were investigated in the intestine of A. japonicus. Tissue degradation was observed in muscular, submucosal and mucosal layers, with significant decrease in plicae circulares of the mucosal layer. Ultrastructural damage intensified with increasing stress time, and indicators of cell apoptosis were evident after 192 h heat stress. Immunostaining showed HSP70 mainly in mucosa and serosa, with faint staining in non-stressed individuals (the control group) and denser staining under stress (the 6, 48 and 192 h groups). Western blot detection confirmed ocurrence of HSP70 in all groups and significant up-regulation under stress. The rapid and persistent response of HSP70 implies its critical role in the heat shock response of A. japonicus.
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Affiliation(s)
- Dongxue Xu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China; University of Chinese Academy of Sciences, Beijing, PR China
| | - Lina Sun
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China.
| | - Shilin Liu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Libin Zhang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Hongsheng Yang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China.
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Wang H, Shao Y, Zhang W, Li C, Lv Z, Jin C. Molecular characterization of two novel molecular chaperones in bacterial-challenged Apostichopus japonicus. Gene 2015; 570:141-9. [PMID: 26072161 DOI: 10.1016/j.gene.2015.06.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 06/06/2015] [Accepted: 06/09/2015] [Indexed: 01/07/2023]
Abstract
Molecular chaperones of 78 kDa glucose-regulated protein (GRP78) and protein disulfide isomerase (PDI) are involved in protein folding and assembly in the endoplasmic reticulum (ER). Increasing evidences also suggest that these two molecules play an important role in immune response. In the present study, we cloned and characterized GRP78 and PDI genes from Apostichopus japonicus by RNA-seq and RACE approaches (designated as AjGRP78 and AjPDI, respectively). The AjGRP78 cDNA was of 2355bp including an open reading frame (ORF) of 2013 bp encoding a protein of 670 amino acids with three heat shock protein 70 (HSP70) family signatures. AjGRP78 contained a 23-amino acid signal peptide at the N-terminus and a HDEL motif at the C-terminus, which supported the location of the protein in the ER. The full length cDNA of AjPDI was of 1893 bp with a 5' untranslated region (UTR) of 153 bp, a 3' UTR of 228 bp and an ORF of 1512 bp encoding a protein of 503 amino acids. A 17-amino acid signal peptide, two thioredoxin domains with two active sites of CGHC, and KDEL retention signal were totally conserved in the deduced amino acid of AjPDI. Phylogenic analysis and multiple alignments have shown that both genes shared remarkably higher degree of structural conservation and sequence identities with other counterparts from invertebrates and vertebrates, further supporting that the two proteins were novel members of molecular chaperone family. Spatial expression analysis revealed that AjGRP78 mRNA transcripts were dominantly expressed in the tentacle, while AjPDI mRNA levels were abundant in the muscle, intestine and respiratory trees. For Vibrio splendidus challenged sea cucumber, the peak expression of AjGRP78 and AjPDI mRNAs in coelomocytes were detected at 24h with 1.73-fold increase and at 6h with 1.83-fold increase compared with the control group, respectively. Similarly, a significant increase in the relative mRNA levels of AjGRP78 and AjPDI was also identified in 1 μg mL(-1) LPS exposed primary cultured coelomocytes. These results collectively suggested that AjGRP78 and AjPDI were ER chaperones of A. japonicus, of which expression is induced upon bacterial infection.
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Affiliation(s)
- Haihong Wang
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Yina Shao
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Weiwei Zhang
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Chenghua Li
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China.
| | - Zhimeng Lv
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Chunhua Jin
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China.
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Vazzana M, Siragusa T, Arizza V, Buscaino G, Celi M. Cellular responses and HSP70 expression during wound healing in Holothuria tubulosa (Gmelin, 1788). FISH & SHELLFISH IMMUNOLOGY 2015; 42:306-315. [PMID: 25463287 DOI: 10.1016/j.fsi.2014.11.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 10/01/2014] [Accepted: 11/12/2014] [Indexed: 06/04/2023]
Abstract
Wound repair is a key event in the regeneration mechanisms of echinoderms. We studied, at the behavioural, cellular and molecular levels, the wound healing processes in Holothuria tubulosa after injuries to the body wall. The experiments were performed for periods of up to 72 h, and various coelomocyte counts, as well as the expression of heat shock proteins (HS27, HSP70 and HSP90), were recorded. Dermal wound healing was nearly complete within 72 h. In the early stages, we observed the injured animals twisting their bodies to keep their injuries on the surface of the water for the extrusion of the buccal pedicles. At the cellular level, we found time-dependent variations in the circulating coelomocyte counts. After injury, in particular, we observed a significant increase in spherule cells at 2.5 h post-injury. Using the western blot method, we observed and reported that the wounds produced, compared with controls, a significant increase in HSP27 and HSP70 expression in coelomocytes, whereas HSP70 was increased in scar tissue and HSP90 was increased only in cell-free coelomic fluid. These results highlight that the wounds were responsible for the stress condition with the induction of cellular and biochemical responses.
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Affiliation(s)
- Mirella Vazzana
- Dept. STEBICEF, Università degli Studi di Palermo, Via Archirafi, 18, 90123 Palermo, Italy
| | - Tiziana Siragusa
- Dept. STEBICEF, Università degli Studi di Palermo, Via Archirafi, 18, 90123 Palermo, Italy
| | - Vincenzo Arizza
- Dept. STEBICEF, Università degli Studi di Palermo, Via Archirafi, 18, 90123 Palermo, Italy; IEMEST - Istituto Euromediterraneo di Scienza e Tecnologia, Palermo, Italy.
| | - Giuseppa Buscaino
- IAMC - Istituto per l'Ambiente Marino Costiero U.O. di Capo Granitola - Consiglio Nazionale delle Ricerche, Via del Mare, 3, 91021 Torretta Granitola, TP, Italy
| | - Monica Celi
- Dept. STEBICEF, Università degli Studi di Palermo, Via Archirafi, 18, 90123 Palermo, Italy; IAMC - Istituto per l'Ambiente Marino Costiero U.O. di Capo Granitola - Consiglio Nazionale delle Ricerche, Via del Mare, 3, 91021 Torretta Granitola, TP, Italy
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Xu D, Sun L, Liu S, Zhang L, Yang H. Polymorphisms of heat shock protein 90 (Hsp90) in the sea cucumber Apostichopus japonicus and their association with heat-resistance. FISH & SHELLFISH IMMUNOLOGY 2014; 41:428-436. [PMID: 25270529 DOI: 10.1016/j.fsi.2014.09.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 09/09/2014] [Accepted: 09/20/2014] [Indexed: 06/03/2023]
Abstract
Heat shock protein 90 (Hsp90) functions as a molecular chaperone and plays an important role in the resistance of organisms to stress, particularly heat-stress. In our study, 12 exons and 11 introns of hsp90 were identified in the sea cucumber Apostichopus japonicus. Twenty-two single nucleotide polymorphisms (SNPs), including three non-synonymous mutations, were detected in the exons. Susceptible and resistant individuals were distinguished using a high-temperature (32 °C) challenge experiment. Three blocks with high linkage disequilibrium were detected among these SNPs. Five of the twenty-two SNPs were shown to be significantly associated with susceptibility/resistance to high temperature by correlation analysis (chi-square test, P < 0.05). To confirm the importance of these five SNPs, a heat-resistance strain (HRS) was selected through three generations. Using the common population as the control group, it was shown that the distributions of genotypes and alleles of SNP e10-1 and e11-6 were significantly different between the two groups (P < 0.05). SNP e10-1 was trimorphic, with three alleles (A, C and T) and five genotypes (AA, CC, AT, CT and AC). The allele frequency of SNP e2-3 was also significantly associated with this trait (P < 0.05). This is the first demonstration of SNPs related to heat-resistance in A. japonicus and supports the use of SNP markers in the selective breeding of sea cucumbers.
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Affiliation(s)
- Dongxue Xu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China; University of Chinese Academy of Sciences, Beijing, PR China
| | - Lina Sun
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Shilin Liu
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Libin Zhang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China
| | - Hongsheng Yang
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, PR China.
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Dong Y, Sun H, Zhou Z, Yang A, Chen Z, Guan X, Gao S, Wang B, Jiang B, Jiang J. Expression analysis of immune related genes identified from the coelomocytes of sea cucumber (Apostichopus japonicus) in response to LPS challenge. Int J Mol Sci 2014; 15:19472-86. [PMID: 25421239 PMCID: PMC4264123 DOI: 10.3390/ijms151119472] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 09/29/2014] [Accepted: 10/14/2014] [Indexed: 12/23/2022] Open
Abstract
The sea cucumber (Apostichopus japonicus) occupies a basal position during the evolution of deuterostomes and is also an important aquaculture species. In order to identify more immune effectors, transcriptome sequencing of A. japonicus coelomocytes in response to lipopolysaccharide (LPS) challenge was performed using the Illumina HiSeq™ 2000 platform. One hundred and seven differentially expressed genes were selected and divided into four functional categories including pathogen recognition (25 genes), reorganization of cytoskeleton (27 genes), inflammation (41 genes) and apoptosis (14 genes). They were analyzed to elucidate the mechanisms of host-pathogen interactions and downstream signaling transduction. Quantitative real-time polymerase chain reactions (qRT-PCRs) of 10 representative genes validated the accuracy and reliability of RNA sequencing results with the correlation coefficients from 0.88 to 0.98 and p-value <0.05. Expression analysis of immune-related genes after LPS challenge will be useful in understanding the immune response mechanisms of A. japonicus against pathogen invasion and developing strategies for resistant markers selection.
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Affiliation(s)
- Ying Dong
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Hongjuan Sun
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Zunchun Zhou
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Aifu Yang
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Zhong Chen
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Xiaoyan Guan
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Shan Gao
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Bai Wang
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Bei Jiang
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Jingwei Jiang
- Liaoning Key Lab of Marine Fishery Molecular Biology, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
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Wang LJ, Zhou LJ, Zhu ZH, Ma WH, Lei CL. Differential temporal expression profiles of heat shock protein genes in Drosophila melanogaster (Diptera: Drosophilidae) under ultraviolet A radiation stress. ENVIRONMENTAL ENTOMOLOGY 2014; 43:1427-1434. [PMID: 25259697 DOI: 10.1603/en13240] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Solar UV radiation is indispensable for certain behaviors of many organisms. Nevertheless, UV-A might be expected to stress insects that possess intensive positive taxis toward UV-A light. To avoid stress hazards, organisms generally exhibit the upregulation of heat shock proteins (Hsps) expression. To gain a better understanding of the roles of the different Hsps in response to UV-A stress in the diurnal phototactic fly Drosophila melanogaster Meigen, 1830 (Diptera: Drosophilidae), we tested the temporal expression patterns of 11 DmHsps following UV-A radiation. The results indicated that each DmHsp had a differential temporal expression profile under UV-A radiation stress. Potential transcription factor-binding motifs in the promoter regions of strongly inducible DmHsps were identified; results showed these transcription factor-binding motifs were highly homologous to binding sites that have been identified for transcription factors associated with UV radiation stimuli. So DmHsps might act in a coordinated and cooperative manner at the transcriptional level to counteract UV-A radiation-based stress.
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Affiliation(s)
- Li-Jun Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, ShiziMountain Rd., Wuhan 430070, China
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Xu D, Sun L, Liu S, Zhang L, Ru X, Zhao Y, Yang H. Molecular cloning of heat shock protein 10 (Hsp10) and 60 (Hsp60) cDNAs and their expression analysis under thermal stress in the sea cucumber Apostichopus japonicus. Comp Biochem Physiol B Biochem Mol Biol 2014; 171:49-57. [DOI: 10.1016/j.cbpb.2014.03.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 02/25/2014] [Accepted: 03/28/2014] [Indexed: 12/16/2022]
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