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Schoville SD, Burke RL, Dong DY, Ginsberg HS, Maestas L, Paskewitz SM, Tsao JI. Genome resequencing reveals population divergence and local adaptation of blacklegged ticks in the United States. Mol Ecol 2024; 33:e17460. [PMID: 38963031 DOI: 10.1111/mec.17460] [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: 03/04/2023] [Revised: 03/12/2024] [Accepted: 04/15/2024] [Indexed: 07/05/2024]
Abstract
Tick vectors and tick-borne disease are increasingly impacting human populations globally. An important challenge is to understand tick movement patterns, as this information can be used to improve management and predictive modelling of tick population dynamics. Evolutionary analysis of genetic divergence, gene flow and local adaptation provides insight on movement patterns at large spatiotemporal scales. We develop low coverage, whole genome resequencing data for 92 blacklegged ticks, Ixodes scapularis, representing range-wide variation across the United States. Through analysis of population genomic data, we find that tick populations are structured geographically, with gradual isolation by distance separating three population clusters in the northern United States, southeastern United States and a unique cluster represented by a sample from Tennessee. Populations in the northern United States underwent population contractions during the last glacial period and diverged from southern populations at least 50 thousand years ago. Genome scans of selection provide strong evidence of local adaptation at genes responding to host defences, blood-feeding and environmental variation. In addition, we explore the potential of low coverage genome sequencing of whole-tick samples for documenting the diversity of microbial pathogens and recover important tick-borne pathogens such as Borrelia burgdorferi. The combination of isolation by distance and local adaptation in blacklegged ticks demonstrates that gene flow, including recent expansion, is limited to geographical scales of a few hundred kilometres.
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Affiliation(s)
- Sean D Schoville
- Department of Entomology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Russell L Burke
- Department of Biology, Hofstra University, Hempstead, New York, USA
| | - Dahn-Young Dong
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Howard S Ginsberg
- United States Geological Survey, Eastern Ecological Science Center, Woodward Hall - PSE, Field Station at the University of Rhode Island, Kingston, Rhode Island, USA
| | - Lauren Maestas
- Cattle Fever Tick Research Laboratory, USDA, Agricultural Research Service, Edinburg, Texas, USA
| | - Susan M Paskewitz
- Department of Entomology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Jean I Tsao
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, USA
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, Michigan, USA
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2
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Venneri M, Vezzi V, Di Mise A, Ranieri M, Centrone M, Tamma G, Nejsum LN, Valenti G. Novel signalling pathways in nephrogenic syndrome of inappropriate antidiuresis: functional implication of site-specific AQP2 phosphorylation. J Physiol 2024; 602:3169-3189. [PMID: 36823952 DOI: 10.1113/jp284039] [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: 11/18/2022] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
Nephrogenic syndrome of inappropriate antidiuresis (NSIAD) is a rare X-linked disease caused by gain-of-function mutations of arginine vasopressin receptor 2 (V2R). Patients with NSIAD are characterized by the inability to excrete a free water load and by inappropriately increased urinary osmolality despite very low levels of plasma vasopressin, resulting in euvolaemic hyponatraemia. To dissect the signalling downstream V2R constitutively active variants, Flp-In T-REx Madin-Darby canine kidney (FTM) cells, stably transfected with V2R mutants (R137L, R137C and F229V) and AQP2-wt or non-phosphorylatable AQP2-S269A/AQP2-S256A, were used as cellular models. All three activating V2R mutations presented constitutive plasma membrane expression of AQP2-wt and significantly higher basal water permeability. In addition, V2R-R137L/C showed significantly higher activity of Rho-associated kinase (ROCK), a serine/threonine kinase previously suggested to be involved in S269-AQP2 phosphorylation downstream of these V2R mutants. Interestingly, FTM cells expressing V2R-R137L/C mutants and AQP2-S269A showed a significant reduction in AQP2 membrane abundance and a significant reduction in ROCK activity, indicating the crucial importance of S269-AQP2 phosphorylation in the gain-of-function phenotype. Conversely, V2R-R137L/C mutants retained the gain-of-function phenotype when AQP2-S256A was co-expressed. In contrast, cells expressing the F229V mutant and the non-phosphorylatable AQP2-S256A had a significant reduction in AQP2 membrane abundance along with a significant reduction in basal osmotic water permeability, indicating a crucial role of Ser256 for this mutant. These data indicate that the constitutive AQP2 trafficking associated with the gain-of-function V2R-R137L/C mutants causing NSIAD is protein kinase A independent and requires an intact Ser269 in AQP2 under the control of ROCK phosphorylation. KEY POINTS: Nephrogenic syndrome of inappropriate antidiuresis is caused by two constitutively active variant phenotypes of AVPR2, one sensitive to vaptans (V2R-F229V) and the other vaptan resistant (V2R-R137C/L). In renal cells, all three activating arginine vasopressin receptor 2 (V2R) variants display constitutive AQP2 plasma membrane expression and high basal water permeability. In cells expressing V2R-R137L/C mutants, disruption of the AQP2-S269 phosphorylation site caused the loss of the gain-of-function phenotype, which, in contrast, was retained in V2R-F229V-expressing cells. Cells expressing the V2R-F229V mutant were instead sensitive to disruption of the AQP2-S256 phosphorylation site. The serine/threonine kinase Rho-associated kinase (ROCK) was found to be involved in AQP2-S269 phosphorylation downstream of the V2R-R137L/C mutants. These findings might have clinical relevance for patients with nephrogenic syndrome of inappropriate antidiuresis.
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Affiliation(s)
- Maria Venneri
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
| | - Vanessa Vezzi
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome, Italy
| | - Annarita Di Mise
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
| | - Marianna Ranieri
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
| | - Mariangela Centrone
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
| | - Grazia Tamma
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
| | - Lene N Nejsum
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Giovanna Valenti
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, Bari, Italy
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Liu Q, Deng Z, Chen H, Kim MS, Kim DH, Gu L, Lee JS, Yang Z. Changes in Induced-Antipredation Defense Traits and Transcriptome Regulations of Daphnia magna in Response to 5-HT 1A Receptor Antagonist. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:7577-7587. [PMID: 38630542 DOI: 10.1021/acs.est.3c10720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
The serotonin signaling system plays a crucial role in regulating the ontogeny of crustaceans. Here, we describe the effects of different concentrations of the 5-hydroxytryptamine 1A receptor antagonist (WAY-100635) on the induced antipredation (Rhodeus ocellatus as the predator), morphological, behavioral, and life-history defenses of Daphnia magna and use transcriptomics to analyze the underlying molecular mechanisms. Our results indicate that exposure to WAY-100635 leads to changes in the expression of different defensive traits in D. magna when faced with fish predation risks. Specifically, as the length of exposure to WAY-100635 increases, high concentrations of WAY-100635 inhibit defensive responses associated with morphological and reproductive activities but promote the immediate negative phototactic behavioral defense of D. magna. This change is related to the underlying mechanism through which WAY-100635 interferes with gene expression of G-protein-coupled GABA receptors by affecting GABBR1 but promotes serotonin receptor signaling and ecdysteroid signaling pathways. In addition, we also find for the first time that fish kairomone can significantly activate the HIF-1α signaling pathway, which may lead to an increase in the rate of immediate movement. These results can help assess the potential impacts of serotonin-disrupting psychotropic drugs on zooplankton in aquatic ecosystems.
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Affiliation(s)
- Qi Liu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Ziyi Deng
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Huafang Chen
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Min-Sub Kim
- 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
| | - Lei Gu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Zhou Yang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
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Sorek M, Berger SL. Neuromodulators and neuroepigenetics of social behavior in ants. Ann N Y Acad Sci 2023; 1528:5-12. [PMID: 37581481 PMCID: PMC10592194 DOI: 10.1111/nyas.15055] [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] [Indexed: 08/16/2023]
Abstract
Eusocial insects exemplify a remarkable system of division of labor within the same colony. This behavioral range, which is sometimes accompanied by morphological or physiological differences, provides an opportunity to study the relationship between complex behaviors and their underlying molecular mechanisms. This is especially true in ants because certain genera have an elaborate caste system and can dramatically change their stereotypical behavior over their lifetime. Recent studies experimentally alter ant behavior over short times, thus opening the study of underlying plasticity pathways. The molecular underpinnings of these behaviors are neuromodulators as well as the regulation of chromatin. Here, we concisely review the current understanding of the relationship between neuromodulators, epigenetics, and social behavior in ants. We discuss future directions in light of experimental limitations of the ant system.
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Affiliation(s)
- Matan Sorek
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Shelley L. Berger
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Epigenetics Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Genetics, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Potticary AL, Cunningham CB, McKinney EC, Moore PJ, Belay AT, Moore AJ. Insect homolog of oxytocin/vasopressin associated with parenting of males but not females in a subsocial beetle. Evolution 2023; 77:2029-2038. [PMID: 37343551 DOI: 10.1093/evolut/qpad113] [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: 02/13/2023] [Revised: 06/05/2023] [Accepted: 06/19/2023] [Indexed: 06/23/2023]
Abstract
Parental care is thought to evolve through modification of behavioral precursors, which predicts that mechanistic changes occur in the genes underlying those traits. The duplicated gene system of oxytocin/vasopressin has been broadly co-opted across vertebrates to influence parenting, from a preduplication ancestral role in water balance. It remains unclear whether co-option of these genes for parenting is limited to vertebrates. Here, we experimentally tested for associations between inotocin gene expression and water balance, parental acceptance of offspring, and active parenting in the subsocial beetle Nicrophorus orbicollis, to test whether this single-copy homolog of the oxytocin/vasopressin system has similarly been co-opted for parental care in a species with elaborate parenting. As expected, inotocin was associated with water balance in both sexes. Inotocin expression increased around sexual maturation in both males and females, although more clearly in males. Finally, inotocin expression was not associated with acceptance of larvae, but was associated with a transition to male but not female parenting. Moreover, level of offspring provisioning behavior and gene expression were positively correlated in males but uncorrelated in females. Our results suggest a broad co-option of this system for parenting that may have existed prior to gene duplication.
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Affiliation(s)
- Ahva L Potticary
- Department of Entomology, University of Georgia, Athens, GA, United States
| | | | | | - Patricia J Moore
- Department of Entomology, University of Georgia, Athens, GA, United States
| | - Amsale T Belay
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, Canada
| | - Allen J Moore
- Department of Entomology, University of Georgia, Athens, GA, United States
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Nagy NA, Németh Z, Juhász E, Póliska S, Rácz R, Kiss J, Kosztolányi A, Barta Z. Inotocin, a potential modulator of reproductive behaviours in a biparental beetle, Lethrus apterus. JOURNAL OF INSECT PHYSIOLOGY 2021; 132:104253. [PMID: 34022190 DOI: 10.1016/j.jinsphys.2021.104253] [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: 01/26/2021] [Revised: 05/17/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
Several members of the highly conserved oxytocin/vasopressin neuropeptide family are involved in the regulation of reproductive and affiliative behaviours in numerous vertebrate and invertebrate species. Here we investigate gene expression patterns of inotocin, the insect ortholog of this peptide family, and its receptor to decipher their possible role in the control of reproductive behaviour in a beetle, Lethrus apterus, with biparental care. In an experiment performed on individuals of a wild population, we found that inotocin is not related to the control of water balance in this species because expression patterns did not change as a response to drought exposure. The expression levels of inotocin and its receptor, however, increased over the reproductive season i.e., when behaviour shifts from pair formation to parental care, suggesting that inotocin might be involved in the regulation of parental care in this insect. No difference was, however, found between sexes; a finding which might indicate that inotocin plays a similar role in both parents.
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Affiliation(s)
- Nikoletta A Nagy
- MTA-DE Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary; Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary.
| | - Zoltán Németh
- MTA-DE Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary; Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary
| | - Edit Juhász
- Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary
| | - Szilárd Póliska
- Genomic Medicine and Bioinformatic Core Facility, Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary
| | - Rita Rácz
- MTA-DE Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary; Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary
| | - Johanna Kiss
- MTA-DE Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary; MTA-DE "Lendület" Evolutionary Phylogenomic Research Group, H-4032 Debrecen, Hungary
| | - András Kosztolányi
- Department of Ecology, University of Veterinary Medicine Budapest, Budapest, Hungary
| | - Zoltán Barta
- MTA-DE Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary; Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen H-4032, Egyetem tér 1, Hungary
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Ranieri M, Venneri M, Pellegrino T, Centrone M, Di Mise A, Cotecchia S, Tamma G, Valenti G. The Vasopressin Receptor 2 Mutant R137L Linked to the Nephrogenic Syndrome of Inappropriate Antidiuresis (NSIAD) Signals through an Alternative Pathway that Increases AQP2 Membrane Targeting Independently of S256 Phosphorylation. Cells 2020; 9:cells9061354. [PMID: 32486031 PMCID: PMC7349359 DOI: 10.3390/cells9061354] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022] Open
Abstract
NSIAD is a rare X-linked condition, caused by activating mutations in the AVPR2 gene coding for the vasopressin V2 receptor (V2R) associated with hyponatremia, despite undetectable plasma vasopressin levels. We have recently provided in vitro evidence that, compared to V2R-wt, expression of activating V2R mutations R137L, R137C and F229V cause a constitutive redistribution of the AQP2 water channel to the plasma membrane, higher basal water permeability and significantly higher basal levels of p256-AQP2 in the F229V mutant but not in R137L or R137C. In this study, V2R mutations were expressed in collecting duct principal cells and the associated signalling was dissected. V2R-R137L and R137C mutants had significantly higher basal pT269-AQP2 levels -independently of S256 and PKA-which were reduced to control by treatment with Rho kinase (ROCK) inhibitor. Interestingly, ROCK activity was found significantly higher in V2R-R137L along with activation of the Gα12/13–Rho–ROCK pathway. Of note, inhibition of ROCK reduced the basal elevated osmotic water permeability to control. To conclude, our data demonstrate for the first time that the gain-of-function mutation of the V2R, R137L causing NSIAD, signals through an alternative PKA-independent pathway that increases AQP2 membrane targeting through ROCK-induced phosphorylation at S/T269 independently of S256 of AQP2.
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Affiliation(s)
- Marianna Ranieri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Maria Venneri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Tommaso Pellegrino
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Mariangela Centrone
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Annarita Di Mise
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Susanna Cotecchia
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
| | - Grazia Tamma
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
- Istituto Nazionale di Biostrutture e Biosistemi, 00136 Roma, Italy
| | - Giovanna Valenti
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy; (M.R.); (M.V.); (T.P.); (M.C.); (A.D.M.); (S.C.); (G.T.)
- Istituto Nazionale di Biostrutture e Biosistemi, 00136 Roma, Italy
- Center of Excellence in Comparative Genomics (CEGBA), University of Bari, 70125 Bari, Italy
- Correspondence: ; Tel.: +39-080-5443444
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