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Taboada C, Brunetti AE, Lyra ML, Fitak RR, Faigón Soverna A, Ron SR, Lagorio MG, Haddad CFB, Lopes NP, Johnsen S, Faivovich J, Chemes LB, Bari SE. Multiple origins of green coloration in frogs mediated by a novel biliverdin-binding serpin. Proc Natl Acad Sci U S A 2020; 117:18574-18581. [PMID: 32661155 PMCID: PMC7414155 DOI: 10.1073/pnas.2006771117] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Many vertebrates have distinctive blue-green bones and other tissues due to unusually high biliverdin concentrations-a phenomenon called chlorosis. Despite its prevalence, the biochemical basis, biology, and evolution of chlorosis are poorly understood. In this study, we show that the occurrence of high biliverdin in anurans (frogs and toads) has evolved multiple times during their evolutionary history, and relies on the same mechanism-the presence of a class of serpin family proteins that bind biliverdin. Using a diverse combination of techniques, we purified these serpins from several species of nonmodel treefrogs and developed a pipeline that allowed us to assemble their complete amino acid and nucleotide sequences. The described proteins, hereafter named biliverdin-binding serpins (BBS), have absorption spectra that mimic those of phytochromes and bacteriophytochromes. Our models showed that physiological concentration of BBSs fine-tune the color of the animals, providing the physiological basis for crypsis in green foliage even under near-infrared light. Additionally, we found that these BBSs are most similar to human glycoprotein alpha-1-antitrypsin, but with a remarkable functional diversification. Our results present molecular and functional evidence of recurrent evolution of chlorosis, describe a biliverdin-binding protein in vertebrates, and introduce a function for a member of the serpin superfamily, the largest and most ubiquitous group of protease inhibitors.
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Affiliation(s)
- Carlos Taboada
- Department of Biology, Duke University, Durham, NC 27708;
- División Herpetología, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia," Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1405DJR, Argentina
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EHA, Argentina
- Núcleo de Pesquisa em Produtos Naturais e Sintéticos (NPPNS), Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14040903 Ribeirão Preto, São Paulo, Brazil
| | - Andrés E Brunetti
- Núcleo de Pesquisa em Produtos Naturais e Sintéticos (NPPNS), Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14040903 Ribeirão Preto, São Paulo, Brazil
- Laboratorio de Genética Evolutiva "Claudio Juan Bidau," Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas, Universidad Nacional de Misiones, 3300 Posadas, Misiones, Argentina
| | - Mariana L Lyra
- Departamento de Biodiversidade e Centro de Aquicultura, Instituto de Biociências, Universidade Estadual Paulista, 13506-900 Rio Claro, São Paulo, Brazil
| | - Robert R Fitak
- Department of Biology, Duke University, Durham, NC 27708
- Department of Biology, Genomics and Bioinformatics Cluster, University of Central Florida, Orlando, FL 32816
| | - Ana Faigón Soverna
- División Herpetología, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia," Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1405DJR, Argentina
| | - Santiago R Ron
- Museo de Zoología, Escuela de Biología, Pontificia Universidad Católica del Ecuador, Aptdo. 17-01-2184, Quito, Ecuador
| | - María G Lagorio
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EHA, Argentina
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EHA, Argentina
| | - Célio F B Haddad
- Departamento de Biodiversidade e Centro de Aquicultura, Instituto de Biociências, Universidade Estadual Paulista, 13506-900 Rio Claro, São Paulo, Brazil
| | - Norberto P Lopes
- Núcleo de Pesquisa em Produtos Naturais e Sintéticos (NPPNS), Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14040903 Ribeirão Preto, São Paulo, Brazil
| | - Sönke Johnsen
- Department of Biology, Duke University, Durham, NC 27708
| | - Julián Faivovich
- División Herpetología, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia," Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1405DJR, Argentina
- Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EHA, Argentina
| | - Lucía B Chemes
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Ciudad Autónoma de Buenos Aires C1405BWE, Argentina;
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, CP1650 San Martín, Buenos Aires, Argentina
| | - Sara E Bari
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EHA, Argentina;
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Wang DQH, Carey MC. Therapeutic uses of animal biles in traditional Chinese medicine: An ethnopharmacological, biophysical chemical and medicinal review. World J Gastroenterol 2014; 20:9952-9975. [PMID: 25110425 PMCID: PMC4123376 DOI: 10.3748/wjg.v20.i29.9952] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 03/11/2014] [Accepted: 04/23/2014] [Indexed: 02/06/2023] Open
Abstract
Forty-four different animal biles obtained from both invertebrates and vertebrates (including human bile) have been used for centuries for a host of maladies in traditional Chinese medicine (TCM) beginning with dog, ox and common carp biles approximately in the Zhou dynasty (c. 1046-256 BCE). Overall, different animal biles were prescribed principally for the treatment of liver, biliary, skin (including burns), gynecological and heart diseases, as well as diseases of the eyes, ears, nose, mouth and throat. We present an informed opinion of the clinical efficacy of the medicinal uses of the different animal biles based on their presently known principal chemical components which are mostly steroidal detergent-like molecules and the membrane lipids such as unesterified cholesterol and mixed phosphatidylcholines and sometimes sphingomyelin, as well as containing lipopigments derived from heme principally bilirubin glucuronides. All of the available information on the ethnopharmacological uses of biles in TCM were collated from the rich collection of ancient Chinese books on materia medica held in libraries in China and United States and the composition of various animal biles was based on rigorous separatory and advanced chemical identification techniques published since the mid-20th century collected via library (Harvard’s Countway Library) and electronic searches (PubMed and Google Scholar). Our analysis of ethnomedical data and information on biliary chemistry shows that specific bile salts, as well as the common bile pigment bilirubin and its glucuronides plus the minor components of bile such as vitamins A, D, E, K, as well as melatonin (N-acetyl-5-methoxytryptamine) are salutary in improving liver function, dissolving gallstones, inhibiting bacterial and viral multiplication, promoting cardiac chronotropsim, as well as exhibiting anti-inflammatory, anti-pyretic, anti-oxidant, sedative, anti-convulsive, anti-allergic, anti-congestive, anti-diabetic and anti-spasmodic effects. Pig, wild boar and human biles diluted with alcohol were shown to form an artificial skin for burns and wounds one thousand years ago in the Tang dynasty (618-907 CE). Although various animal biles exhibit several generic effects in common, a number of biles appear to be advantageous for specific therapeutic indications. We attempt to understand these effects based on the pharmacology of individual components of bile as well as attempting to identify a variety of future research needs.
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Cornelius CE. Hepatic Bilirubin-IX- α -Glycosyltransferase Activities in Animals Excreting Primarily Biliverdin into Bile. Vet Clin Pathol 1981; 10:27-31. [PMID: 15311383 DOI: 10.1111/j.1939-165x.1981.tb00801.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A wide variation was observed in hepatic bilirubin-IX-alpha uridine diphosphate (UDP) glucuronyl, glucosyl and xylosyl transferase activities among yellow rat snakes, pin fish, chickens, turkeys, sea turtles, alligators, nutria and rats. Lower hepatic enzyme activities were observed in fish, snakes, turtles, and avian species with intermediate enzyme activities present in the livers of nutria and alligators. Hepatic glycosyltransferase activities were greater in the biliverdin-excreting species which are known to excrete readily an exogenous bilirubin load. Hepatic enzyme activities and the biliary transport maxima of bilirubin-IX-alpha are closely correlated.
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Affiliation(s)
- C E Cornelius
- Department of Medical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida 32610
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Cornelius CE, Bruss ML. Hepatic Bile Pigment Excretion and Erythrocyte Turnover in Various Species. Vet Clin Pathol 1980; 9:15-20. [PMID: 15314772 DOI: 10.1111/j.1939-165x.1980.tb00887.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Endogenous bile pigment excretory rates have now been recorded in fifteen species, and the following review briefly compares the excretion per unit of body weight in animals of varying sizes, attempts to determine if any correlation exists between bile flow and endogenous pigment excretion and discusses bile pigment excretion in relation to mean erythrocyte survival time and metabolic rate. Graphs and one table illustrating pigment metabolism and erythrocyte replacement are presented. Differences between animals excreting primarily biliverdin as opposed to bilirubin are discussed, with special attention being given throughout the article to mammals and their individual differences. Accepted theory concludes that the rate of endogenous bile pigment excretion is primarily dependent upon hemoglobin catabolism. However, further studies will be necessary to clarify basic physiological mechanisms in order to substantiate any theory concerning the correlation of erythrocyte turnover with metabolic rates.
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Affiliation(s)
- C E Cornelius
- Departments of Medical Sciences and Metabolism, College of Veterinary Medicine University of Florida, Gainesville, Florida 32610
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