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Yu EM, Yoshinaga T, Jalufka FL, Ehsan H, Mark Welch DB, Kaneko G. The complex evolution of the metazoan HSP70 gene family. Sci Rep 2021; 11:17794. [PMID: 34493758 PMCID: PMC8423806 DOI: 10.1038/s41598-021-97192-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/23/2021] [Indexed: 01/01/2023] Open
Abstract
The metazoan 70-kDa heat shock protein (HSP70) family contains several members localized in different subcellular compartments. The cytosolic members have been classified into inducible HSP70s and constitutive heat shock cognates (HSC70s), but their distinction and evolutionary relationship remain unclear because of occasional reports of “constitutive HSP70s” and the lack of cross-phylum comparisons. Here we provide novel insights into the evolution of these important molecular chaperones. Phylogenetic analyses of 125 full-length HSP70s from a broad range of phyla revealed an ancient duplication that gave rise to two lineages from which all metazoan cytosolic HSP70s descend. One lineage (A) contains a relatively small number of genes from many invertebrate phyla, none of which have been shown to be constitutively expressed (i.e., either inducible or unknown). The other lineage (B) included both inducible and constitutive genes from diverse phyla. Species-specific duplications are present in both lineages, and Lineage B contains well-supported phylum-specific clades for Platyhelminthes, Rotifera, Nematoda, Porifera/Cnidaria, and Chordata. Some genes in Lineage B have likely independently acquired inducibility, which may explain the sporadic distribution of “HSP70” or “HSC70” in previous phylogenetic analyses. Consistent with the diversification history within each group, inducible members show lower purifying selection pressure compared to constitutive members. These results illustrate the evolutionary history of the HSP70 family, encouraging us to propose a new nomenclature: “HSP70 + subcellular localization + linage + copy number in the organism + inducible or constitutive, if known.” e.g., HSP70cA1i for cytosolic Lineage A, copy 1, inducible.
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Affiliation(s)
- Er-Meng Yu
- School of Arts and Sciences, University of Houston-Victoria, Victoria, TX, USA.,Key Laboratory of Tropical and Subtropical Fishery Resource Application & Cultivation, Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Research Institute of CAFS, Guangzhou, China
| | | | - Frank L Jalufka
- School of Arts and Sciences, University of Houston-Victoria, Victoria, TX, USA
| | - Hashimul Ehsan
- School of Arts and Sciences, University of Houston-Victoria, Victoria, TX, USA
| | - David B Mark Welch
- Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA.
| | - Gen Kaneko
- School of Arts and Sciences, University of Houston-Victoria, Victoria, TX, USA.
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Small heat shock proteins in the amphibian Pelophylax bergeri: Cloning and characterization of Hsp27 and Hsp30 cDNAs and their expression analysis in ex vivo skin exposed to abiotic stresses. Comp Biochem Physiol A Mol Integr Physiol 2019; 235:90-101. [DOI: 10.1016/j.cbpa.2019.05.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/20/2019] [Accepted: 05/20/2019] [Indexed: 01/30/2023]
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Liu T, Han Y, Liu Y, Zhao H. Genomewide identification and analysis of heat-shock proteins 70/110 to reveal their potential functions in Chinese soft-shelled turtle Pelodiscus sinensis. Ecol Evol 2019; 9:6968-6985. [PMID: 31467669 PMCID: PMC6712388 DOI: 10.1002/ece3.5264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 04/25/2019] [Accepted: 04/30/2019] [Indexed: 01/28/2023] Open
Abstract
Heat-shock proteins 70/110 (Hsp70/110) are vital molecular chaperones and stress proteins whose expression and production are generally induced by extreme temperatures or external stresses. The Hsp70/110 family is largely conserved in diverse animals. Although many reports have studied and elaborated on the characteristics of Hsp70/110 in various species, the systematic identification and analysis of Hsp70/110 are still poor in turtles. In this study, a genomewide search was performed, and 18 candidate PsHSP70/110 family genes were identified in Chinese soft-shelled turtle, Pelodiscus sinensis. These PsHSP70/110 proteins contained the conserved "heat shock protein 70" domain. Phylogenetic analysis of PsHSP70/110 and their homologs revealed evolutionary conservation of Hsp70/110 across different species. Tissue-specific expression analysis showed that these PsHSP70/110 genes were differentially expressed in different tissues of P. sinensis. Furthermore, to examine the putative biological functions of PsHSP70/110, the dynamic expression of PsHSP70/110 genes was analyzed in the testis of P. sinensis during seasonal spermatogenesis following germ cell apoptosis. Notably, genes such as PsHSPA1B-L, PsHSPA2, and PsHSPA8 were significantly upregulated in P. sinensis testes along with a seasonal decrease in apoptosis. Protein interaction prediction revealed that PsHSPA1B-L, PsHSPA2, and PsHSPA8 may interact with each other and participate in the MAPK signaling pathway. Moreover, immunohistochemical analysis showed that PsHSPA1B-L, PsHSPA2, and PsHSPA8 protein expression was associated with seasonal temperature variation. The expression profiling and interaction relationships of the PsHSPA1B-L, PsHSPA2, and PsHSPA8 proteins implied their potential roles in inhibiting the apoptosis of germ cells in P. sinensis. These results provide insights into PsHSP70/110 functions and will serve as a rich resource for further investigation of HSP70/110 family genes in P. sinensis and other turtles.
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Affiliation(s)
- Tengfei Liu
- College of Veterinary MedicineNorthwest A&F UniversityYanglingChina
| | - Yawen Han
- College of Veterinary MedicineNorthwest A&F UniversityYanglingChina
| | - Ye Liu
- College of Veterinary MedicineNorthwest A&F UniversityYanglingChina
| | - Huiying Zhao
- College of Veterinary MedicineNorthwest A&F UniversityYanglingChina
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Liu L, Cheng TY, Yang Y. Cloning and expression pattern of a heat shock cognate protein 70 gene in ticks (Haemaphysalis flava). Parasitol Res 2017; 116:1695-1703. [PMID: 28462495 DOI: 10.1007/s00436-017-5444-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 04/12/2017] [Indexed: 10/19/2022]
Abstract
Ticks and tick-borne-diseases have serious public health implications, and screening feasible protein candidates for vaccines development is identified to be an effective alternative to control of tick infestations. In current study, we focused on cloning the full-length gene encoding a heat shock cognate protein 70 (Hsc70), a molecular chaperone of critical functional roles belonging to heat shock protein 70 (HSP70) family, in salivary glands of Haemaphysalis flava, namely Hf-Hsc70, and analyzing the expression of Hf-Hsc70 in different life phases, organs and ambient temperatures. Rapid amplification of cDNA ends (RACE) was performed to amplify the 5' and 3' ends of Hf-Hsc70. The expression profiles of Hf-Hsc70 were studied by semi-quantitative real-time PCR (RT-PCR). The full-length of Hf-Hsc70 was 2363 bp, and contained an ORF of 1965 bp encoding a protein of 648 amino acids. The expression levels of Hf-Hsc70 at different life phases were in the order of female larvae < female fully engorged nymphs < male adult ticks < female full engorged adult ticks < female half engorged adult ticks. The relative expression of Hf-Hsc70 in salivary glands was steadily higher than that in midguts (p < 0.05) regardless of feeding status. A 3-h of heat stress did not significantly induce the up-regulation of Hf-Hsc70 transcription. These results indicated that Hf-Hsc70 was a constitutive form of HSP70 family, and its expression pattern in different life phases and organs suggested a possible role in blood feeding, which would further make Hsc70 a potential candidate for the development of vaccines against ticks.
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Affiliation(s)
- Lei Liu
- College of Veterinary Medicine, Hunan Collaborative Innovation Center for Safety Production of Livestock and Poultry, Hunan Agricultural University, Changsha, 410128, China
| | - Tian-Yin Cheng
- College of Veterinary Medicine, Hunan Collaborative Innovation Center for Safety Production of Livestock and Poultry, Hunan Agricultural University, Changsha, 410128, China.
| | - Ya Yang
- College of Veterinary Medicine, Hunan Collaborative Innovation Center for Safety Production of Livestock and Poultry, Hunan Agricultural University, Changsha, 410128, China
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Molecular characterization and gene evolution of the heat shock protein 70 gene in snakehead fish with different tolerances to temperature. BIOCHEM SYST ECOL 2016. [DOI: 10.1016/j.bse.2016.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Simoncelli F, Belia S, Di Rosa I, Paracucchi R, Rossi R, La Porta G, Lucentini L, Fagotti A. Short-term cadmium exposure induces stress responses in frog (Pelophylax bergeri) skin organ culture. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 122:221-229. [PMID: 26277541 DOI: 10.1016/j.ecoenv.2015.08.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 07/31/2015] [Accepted: 08/03/2015] [Indexed: 06/04/2023]
Abstract
There have been a few studies on the negative effects of pollutants on amphibian skin, the first structural barrier that interacts with the environment and its potential contaminants. In this study an ex vivo skin organ culture from the amphibian Pelophylax bergeri was used to evaluate cell stress responses induced by short-term exposure to cadmium (Cd), a toxic heavy metal known to be an environmental hazard to both humans and wildlife. Histopathological studies were carried out on skin explants using light microscopy and changes in the expression of stress proteins, such as Metallothionein (MT) and Heat shock proteins (HSPs), were investigated by Real-time RT-PCR. Results revealed that amphibian skin reacts to Cd-induced stress by activating biological responses such as morphological alterations and dose- and time-dependent induction of Mt and Hsp70 mRNA expression, suggesting their potential role as biomarkers of exposure to Cd. This work provides a basis for a better understanding of the tissue-specific responses of amphibian skin as a target organ to Cd exposure and its in vitro use for testing potentially harmful substances present in the environment.
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Affiliation(s)
- Francesca Simoncelli
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Silvia Belia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Ines Di Rosa
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Romina Paracucchi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Roberta Rossi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Gianandrea La Porta
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Livia Lucentini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Anna Fagotti
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
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Herrero Ó, Planelló R, Morcillo G. The plasticizer benzyl butyl phthalate (BBP) alters the ecdysone hormone pathway, the cellular response to stress, the energy metabolism, and several detoxication mechanisms in Chironomus riparius larvae. CHEMOSPHERE 2015; 128:266-277. [PMID: 25725395 DOI: 10.1016/j.chemosphere.2015.01.059] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 01/25/2015] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
Butyl benzyl phthalate (BBP) has been extensively used worldwide as a plasticizer in the polyvinyl chloride (PVC) industry and the manufacturing of many other products, and its presence in the aquatic environment is expected for decades. In the present study, the toxicity of BBP was investigated in Chironomus riparius aquatic larvae. The effects of acute 24-h and 48-h exposures to a wide range of BBP doses were evaluated at the molecular level by analysing changes in genes related to the stress response, the endocrine system, the energy metabolism, and detoxication pathways, as well as in the enzyme activity of glutathione S-transferase. BBP caused a dose and time-dependent toxicity in most of the selected biomarkers. 24-h exposures to high doses affected larval survival and lead to a significant response of several heat-shock genes (hsp70, hsp40, and hsp27), and to a clear endocrine disrupting effect by upregulating the ecdysone receptor gene (EcR). Longer treatments with low doses triggered a general repression of transcription and GST activity. Furthermore, delayed toxicity studies were specially relevant, since they allowed us to detect unpredictable toxic effects, not immediately manifested after contact with the phthalate. This study provides novel and interesting results on the toxic effects of BBP in C. riparius and highlights the suitability of this organism for ecotoxicological risk assessment, especially in aquatic ecosystems.
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Affiliation(s)
- Óscar Herrero
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Paseo de la Senda del Rey 9, 28040 Madrid, Spain.
| | - Rosario Planelló
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Paseo de la Senda del Rey 9, 28040 Madrid, Spain.
| | - Gloria Morcillo
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Paseo de la Senda del Rey 9, 28040 Madrid, Spain.
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Mouguelar VS, Coux G. Amphibian oocytes release heat shock protein A during spawning: evidence for a role in fertilization. Biol Reprod 2012; 87:33. [PMID: 22623622 DOI: 10.1095/biolreprod.112.100982] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Heat shock proteins A (HSPAs, previously known as HSP70s) are widely distributed proteins originally linked with heat shock but now associated with several normal cellular functions. We recently found indirect evidence suggesting a role for HSPAs in sperm-oocyte interaction in the amphibian Bufo arenarum. In the present study our aim was to study its expression, subcellular distribution, and role during fertilization. By Western blot analysis using two different antibodies we detected HSPAs present in B. arenarum oocytes in the absence of any stress. We performed two-dimensional electrophoresis and detected two isoforms with isoelectric points of 5.25 and 5.45. We studied its subcellular distribution isolating total membranes, cytosol, and plasma membranes. HSPAs were present in all of these fractions. We confirmed these results by immunofluorescence microscopy and also found that the HSPA signal was present in the vitelline envelope. To further test this, we performed Western blot analysis in isolated vitelline envelopes and in egg water (diffusible material from deposited oocytes). HSPAs were present in these two fractions. Moreover, human recombinant his-tagged HSPA (HSPA1A) was able to specifically bind to sperm in vitro (midpiece) and enhance sperm membrane integrity. In vitro fertilization assays in the presence of anti-HSPA polyclonal antibodies showed diminished fertilization scores at low sperm concentrations (10(5) cells per milliliter). Our results suggest that HSPAs are present in intracellular and extracellular structures of nonstressed B. arenarum oocytes and participates in fertilization by and that their release during spawning plays a role in sperm membrane integrity.
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Affiliation(s)
- Valeria S Mouguelar
- Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas, Área Biología, Departamento de Ciencias Biológicas, Universidad Nacional de Rosario, Rosario, Argentina
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Sharma GT, Nath A, Prasad S, Singhal S, Singh N, Gade NE, Dubey PK, Saikumar G. Expression and characterization of constitutive heat shock protein 70.1 (HSPA-1A) gene in in vitro produced and in vivo-derived buffalo (Bubalus bubalis) embryos. Reprod Domest Anim 2012; 47:975-83. [PMID: 22463675 DOI: 10.1111/j.1439-0531.2012.02002.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Cells are blessed with a group of stress protector molecules known as heat shock proteins (HSPs), amongst them HSP70, encoded by HSPA-1A gene, is most abundant and highly conserved protein. Variety of stresses hampers the developmental competence of embryos under in vivo and in vitro conditions. Present work was designed to study the quantitative expression of HSPA-1A mRNA in immature oocytes (IMO), matured oocytes (MO), in vitro produced (IVP) and in vivo-derived (IVD) buffalo embryos to assess the level of stress to which embryos are exposed under in vivo and in vitro culture conditions. Further, HSPA-1A gene sequence was analysed to determine its homology with other mammalian sequences. The mRNA expression analysis was carried out on 72 oocytes (40 IMO; 32 MO), 76 IVP and 55 IVD buffalo embryos. Expression of HSPA-1A was found in oocytes and throughout the developmental stages of embryos examined irrespective of the embryo source; however, higher (p < 0.05) expression was observed in 8-16 cell, morula and blastocyst stages of IVP embryos as compared to IVD embryos. Phylogenetic analysis of bubaline HSPA-1A revealed that it shares 91-98% identity with other mammalian sequences. It can be concluded that higher level of HSPA-1A mRNA in IVP embryos in comparison with in vivo-derived embryos is an indicator of cellular stress in IVP system. This study suggests need for further optimization of in vitro culture system in which HSPA-1A gene could be used as a stress biomarker during pre-implantation development.
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Affiliation(s)
- G T Sharma
- Division of Physiology and Climatology, Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India.
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Morales M, Planelló R, Martínez-Paz P, Herrero O, Cortés E, Martínez-Guitarte JL, Morcillo G. Characterization of Hsp70 gene in Chironomus riparius: expression in response to endocrine disrupting pollutants as a marker of ecotoxicological stress. Comp Biochem Physiol C Toxicol Pharmacol 2011; 153:150-8. [PMID: 20965275 DOI: 10.1016/j.cbpc.2010.10.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Revised: 10/08/2010] [Accepted: 10/10/2010] [Indexed: 11/21/2022]
Abstract
We characterized the Hsp70 cDNA in Chironomus riparius and evaluated its expression profile under different environmental stressors. It is highly conserved, at both DNA and protein levels, displaying many of the hallmarks of Hsps and sharing 80-96% of overall amino acid identities with homologous sequences from other diptera. The changes are mainly concentrated in the C-terminal domain of the protein. Phylogenetic analysis was consistent with the known classification of insects. The Hsp70 gene was located by in situ hybridization in region III-3A at the third polytene chromosome, a locus activated upon heat shock as shown by RNA pol II binding. As C. riparius is widely used in aquatic ecotoxicology testing, we studied Hsp70 gene induction in fourth instar aquatic larvae submitted to heat shock and selected environmental pollutants classified as potential endocrine disruptors. RT-PCR analysis showed that Hsp70 mRNA levels increased significantly (p<0.05) after short-term acute exposures to a temperature shift (HS), cadmium chloride (Cd), butyl benzyl phthalate (BBP), diethylhexyl phthalate (DEHP), bisphenol A (BPA), 4-nonylphenol (NP) and ethinylestradiol (EE). However, neither pentachlorophenol (PCP) nor tributyltin (TBTO) treatments were able to activate the Hsp70 gene. The cognate form, Hsc70, was also analysed and, unlike Hsp70, was not altered by any of the different treatments assayed. Moreover, at the times tested, there was no significant mortality of the larvae. The rapid upregulation of the Hsp70 gene suggests that it is sensitive and selective for different environmental pollutants, and could be used as an early molecular endpoint in ecotoxicological studies.
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Affiliation(s)
- Mónica Morales
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Senda del Rey 9, 28040 Madrid, Spain
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