1
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Chou MY, Lee TA, Lin YS, Hsu SY, Wang MF, Li PH, Huang PH, Lu WC, Ho JH. On the removal efficiency of copper ions in wastewater using calcined waste eggshells as natural adsorbents. Sci Rep 2023; 13:437. [PMID: 36624146 PMCID: PMC9829870 DOI: 10.1038/s41598-023-27682-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Eggshells offer many advantages as adsorbents, such as affordability without special preparations other than pulverization and calcination. However, the manufacturing industry generally has a severe problem with high concentrations of heavy metals in wastewater. The purpose of this study was to use eggshell byproducts and calcined eggshell treatment for the adsorption of copper in an aqueous solution. The reaction time, metal concentration, adsorbent dose, temperature, and pH were evaluated using primary factors followed by the response surface method (RSM) to investigate the optimum conditions for eggshell byproducts and calcined eggshell adsorption treatment. The results of the one-factor-at-a-time experiment showed that the optimal adsorption rate was obtained from treatment at 24 h, 25 mg/L, 10 mg, and 25 °C. In addition, the effect of pH on the adsorption rates of eggshells and eggshells with membrane were detected at pH values of 5 and 5.9 and found to be 95.2, 90.5, and 73.3%. The reaction surface experiment showed that the best adsorption rate reached 99.3% after calcination at 900 °C for 2 h and a 20 min reaction. The results showed that eggshells, eggshell membranes, eggshells with membrane, and calcined eggshells could be applied to remove copper ions from industrial wastewater. The adsorption capacity of the calcined eggshell is better than that of the non-calcined eggshell and has good neutrality in acidic industrial wastewater. Therefore, it is convenient and practical for practical production and application. Likewise, this study conveys promising findings in the context of improving wastewater treatment based on a circular economy approach to waste reuse in the food industry and represents a valuable direction for future research.
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Affiliation(s)
- Ming-Yu Chou
- grid.412550.70000 0000 9012 9465International Aging Industry Research & Development Center (AIC), Providence University, Taichung, 43301 Taiwan
| | - Tan-Ang Lee
- grid.265231.10000 0004 0532 1428Department of Food Science, Tunghai University, Taichung, 407224 Taiwan
| | - Ying-Shen Lin
- grid.412550.70000 0000 9012 9465Ph.D. Program in Health and Social Welfare for Indigenous Peoples, Providence University, Taichung, 43301 Taiwan
| | - Shan-Yin Hsu
- grid.265231.10000 0004 0532 1428Department of Food Science, Tunghai University, Taichung, 407224 Taiwan
| | - Ming-Fu Wang
- grid.412550.70000 0000 9012 9465International Aging Industry Research & Development Center (AIC), Providence University, Taichung, 43301 Taiwan ,grid.412550.70000 0000 9012 9465Department of Food and Nutrition, Providence University, Taichung, 43301 Taiwan
| | - Po-Hsien Li
- Department of Food and Nutrition, Providence University, Taichung, 43301, Taiwan.
| | - Ping-Hsiu Huang
- grid.511252.0School of Food, Jiangsu Food and Pharmaceutical Science College, Huai’an, 223003 Jiangsu Province China
| | - Wen-Chien Lu
- Department of Food and Beverage Management, Chung-Jen Junior College of Nursing, Health Sciences and Management, Chia-Yi City, 60077 Taiwan
| | - Jou-Hsuan Ho
- Department of Food Science, Tunghai University, Taichung, 407224, Taiwan.
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2
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Brugaletta G, De Cesare A, Laghi L, Manfreda G, Zampiga M, Oliveri C, Pérez-Calvo E, Litta G, Lolli S, Sirri F. A multi-omics approach to elucidate the mechanisms of action of a dietary muramidase administered to broiler chickens. Sci Rep 2022; 12:5559. [PMID: 35365750 PMCID: PMC8976025 DOI: 10.1038/s41598-022-09546-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/17/2022] [Indexed: 12/01/2022] Open
Abstract
A novel dietary muramidase has been shown to have positive effects on broiler chickens. However, very little is known about its mechanisms of action. The present multi-omics investigation sought to address this knowledge gap. A total of 2,340 day-old male broilers were assigned to 3 groups (12 replicates each) fed, from 0 to 42 d, a basal diet (control group—CON) or the basal diet supplemented with muramidase at 25,000 (low-dose group—MUL) or 45,000 LSU(F)/kg feed (high-dose group—MUH). MUH significantly outperformed CON in terms of cumulative feed intake (4,798 vs 4,705 g), body weight (2,906 vs 2,775 g), and feed conversion ratio (1.686 vs 1.729), while MUL exhibited intermediate performance. At caecal level, MUH showed the lowest alpha diversity, a significantly different beta diversity, a reduction in Firmicutes, and a rise in Bacteroidetes, especially compared with MUL. MUH also exhibited a considerable decrease in Clostridiaceae and an overrepresentation of Bacteroidaceae and Lactobacillaceae. At blood level, MUH had lower hypoxanthine—probably due to its drop at caecal level—histidine, and uracil, while greater pyruvate, 2-oxoglutarate, and glucose. This study sheds light on the mode of action of this muramidase and lays the groundwork for future investigations on its effects on the intestinal ecosystem and systemic metabolism of broiler chickens.
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Affiliation(s)
- Giorgio Brugaletta
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
| | - Alessandra De Cesare
- Department of Veterinary Medical Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy.
| | - Luca Laghi
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
| | - Gerardo Manfreda
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
| | - Marco Zampiga
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
| | - Chiara Oliveri
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
| | - Estefanía Pérez-Calvo
- Research Center for Animal Nutrition and Health, DSM Nutritional Products, Village-Neuf, Saint Louis, 68305, France
| | - Gilberto Litta
- DSM Nutritional Products, Animal Nutrition and Health, Segrate, Milano, 20054, Italy
| | - Susanna Lolli
- DSM Nutritional Products, Animal Nutrition and Health, Segrate, Milano, 20054, Italy
| | - Federico Sirri
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Ozzano dell'Emilia, Bologna, 40064, Italy
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3
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CHI Y, LIU R, LIN M, CHI Y. A novel process to separate the eggshell membranes and eggshells via flash evaporation. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.07522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Yuan CHI
- Northeast Agricultural University, China
| | | | | | - Yujie CHI
- Northeast Agricultural University, China
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4
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Shehata AM, Paswan VK, Attia YA, Abdel-Moneim AME, Abougabal MS, Sharaf M, Elmazoudy R, Alghafari WT, Osman MA, Farag MR, Alagawany M. Managing Gut Microbiota through In Ovo Nutrition Influences Early-Life Programming in Broiler Chickens. Animals (Basel) 2021; 11:3491. [PMID: 34944266 PMCID: PMC8698130 DOI: 10.3390/ani11123491] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 12/11/2022] Open
Abstract
The chicken gut is the habitat to trillions of microorganisms that affect physiological functions and immune status through metabolic activities and host interaction. Gut microbiota research previously focused on inflammation; however, it is now clear that these microbial communities play an essential role in maintaining normal homeostatic conditions by regulating the immune system. In addition, the microbiota helps reduce and prevent pathogen colonization of the gut via the mechanism of competitive exclusion and the synthesis of bactericidal molecules. Under commercial conditions, newly hatched chicks have access to feed after 36-72 h of hatching due to the hatch window and routine hatchery practices. This delay adversely affects the potential inoculation of the healthy microbiota and impairs the development and maturation of muscle, the immune system, and the gastrointestinal tract (GIT). Modulating the gut microbiota has been proposed as a potential strategy for improving host health and productivity and avoiding undesirable effects on gut health and the immune system. Using early-life programming via in ovo stimulation with probiotics and prebiotics, it may be possible to avoid selected metabolic disorders, poor immunity, and pathogen resistance, which the broiler industry now faces due to commercial hatching and selection pressures imposed by an increasingly demanding market.
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Affiliation(s)
- Abdelrazeq M. Shehata
- Department of Dairy Science and Food Technology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India;
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Cairo 11651, Egypt;
| | - Vinod K. Paswan
- Department of Dairy Science and Food Technology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India;
| | - Youssef A. Attia
- Agriculture Department, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Abdel-Moneim Eid Abdel-Moneim
- Nuclear Research Center, Biological Applications Department, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt;
| | - Mohammed Sh. Abougabal
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Cairo 11651, Egypt;
| | - Mohamed Sharaf
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China;
- Department of Biochemistry, Faculty of Agriculture, Al-Azhar University, Cairo 11651, Egypt
| | - Reda Elmazoudy
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (R.E.); (M.A.O.)
- Basic and Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Wejdan T. Alghafari
- Clinical Nutrition Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Mohamed A. Osman
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (R.E.); (M.A.O.)
- Basic and Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Mayada R. Farag
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Mahmoud Alagawany
- Poultry Department, Agriculture Faculty, Zagazig University, Zagazig 44519, Egypt
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5
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Akazawa T, Ogawa M, Hayakawa S. Migration of chicken egg-white protein ovalbumin-related protein X and its alteration in heparin-binding affinity during embryogenesis of fertilized egg. Poult Sci 2019; 98:5100-5108. [DOI: 10.3382/ps/pez335] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 05/26/2019] [Indexed: 12/13/2022] Open
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6
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7
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Szymanek E, Andraszek K, Banaszewska D, Drabik K, Batkowska J. Content of selected inorganic compounds in the eggs of hens kept in two different systems: organic and battery cage. Arch Anim Breed 2019; 62:431-436. [PMID: 31807654 PMCID: PMC6853034 DOI: 10.5194/aab-62-431-2019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 07/05/2019] [Indexed: 11/11/2022] Open
Abstract
Recent years have seen increased interest in the influence of bioactive dietary components on human genes and gene expression. A good source of many bioactive substances is the chicken egg. The egg is considered to be an excellent food provided by nature. It is a good source of nutrients such as vitamins A, B2, B6, B12, D, E and K, as well as elements including phosphorus, selenium, iron, zinc, magnesium and calcium. The research material use in this study consisted of eggs from hens kept in two different systems: organic and battery cages. The content of calcium (Ca), magnesium (Mg) and zinc (Zn) was determined in the egg contents - in the yolk and white respectively. The content of elements was determined by atomic absorption spectrometry (AAS) using an AA280 FS spectrometer with the automatic dilution of standards and samples. The eggs from the organically raised hens had a higher calcium, magnesium and zinc content. The greater variation in the Ca, Mg and Zn content in the organic eggs is due to the more individualized feeding system. The rearing system of the hens significantly affects the concentration of elements in the egg. The results of this research indicate that eggs from organic farming systems have a richer chemical composition in terms of the content of nutrients such as calcium, magnesium and zinc compared with eggs obtained from caged hens. Therefore, consumers purchasing eggs should consider the system in which the hens were reared, as eggs can be a valuable source of these elements in the diet.
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Affiliation(s)
- Edyta Szymanek
- Department of Animal Genetics and Horse Breeding, Siedlce University of Natural Sciences and Humanities, Siedlce, 08-110, Poland
| | - Katarzyna Andraszek
- Department of Animal Genetics and Horse Breeding, Siedlce University of Natural Sciences and Humanities, Siedlce, 08-110, Poland
| | - Dorota Banaszewska
- Department of Breeding Methods and Poultry Breeding, Siedlce University of Natural
Sciences and Humanities, Siedlce, 08-110, Poland
| | - Kamil Drabik
- Institute of Biological Basis of Animal Production, University of Live
Science in Lublin, Lublin, 20-950, Poland
| | - Justyna Batkowska
- Institute of Biological Basis of Animal Production, University of Live
Science in Lublin, Lublin, 20-950, Poland
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8
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Peralta-Sánchez JM, Martín-Platero AM, Wegener-Parfrey L, Martínez-Bueno M, Rodríguez-Ruano S, Navas-Molina JA, Vázquez-Baeza Y, Martín-Gálvez D, Martín-Vivaldi M, Ibáñez-Álamo JD, Knight R, Soler JJ. Bacterial density rather than diversity correlates with hatching success across different avian species. FEMS Microbiol Ecol 2019; 94:4847879. [PMID: 29438507 DOI: 10.1093/femsec/fiy022] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 02/07/2018] [Indexed: 01/09/2023] Open
Abstract
Bacterial communities within avian nests are considered an important determinant of egg viability, potentially selecting for traits that confer embryos with protection against trans-shell infection. A high bacterial density on the eggshell increases hatching failure, whether this effect could be due to changes in bacterial community or just a general increase in bacterial density. We explored this idea using intra- and interspecific comparisons of the relationship between hatching success and eggshell bacteria characterized by culture and molecular techniques (fingerprinting and high-throughput sequencing). We collected information for 152 nests belonging to 17 bird species. Hatching failures occurred more frequently in nests with higher density of aerobic mesophilic bacteria on their eggshells. Bacterial community was also related to hatching success, but only when minority bacterial operational taxonomic units were considered. These findings support the hypothesis that bacterial density is a selective agent of embryo viability, and hence a proxy of hatching failure only within species. Although different avian species hold different bacterial densities or assemblages on their eggs, the association between bacteria and hatching success was similar for different species. This result suggests that interspecific differences in antibacterial defenses are responsible for keeping the hatching success at similar levels in different species.
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Affiliation(s)
- Juan Manuel Peralta-Sánchez
- Departamento de Microbiología, Universidad de Granada, Calle Fuentenueva, s/n, E-18071 Granada, Spain.,Department of Integrative Ecology, Estación Biológica de Doñana, C.S.I.C. Avda. Américo Vespucio s/n, E-41092 Seville, Spain
| | | | | | - Manuel Martínez-Bueno
- Departamento de Microbiología, Universidad de Granada, Calle Fuentenueva, s/n, E-18071 Granada, Spain
| | - Sonia Rodríguez-Ruano
- Departamento de Microbiología, Universidad de Granada, Calle Fuentenueva, s/n, E-18071 Granada, Spain.,Faculty of Science, University of South Bohemia, Branisovska 1760, 370 05 Ceske Budejovice, Czech Republic
| | - José Antonio Navas-Molina
- Department of Computer Science & Engineering University of California San Diego, La Jolla, CA 92093, USA
| | - Yoshiki Vázquez-Baeza
- Department of Computer Science & Engineering University of California San Diego, La Jolla, CA 92093, USA
| | - David Martín-Gálvez
- European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, Cambridge, CB10 1SD, UK
| | - Manuel Martín-Vivaldi
- Departamento de Zoología, Universidad de Granada, Campus de Fuentenueva, s/n, E-18071 Granada, Spain
| | - Juan Diego Ibáñez-Álamo
- Groningen Institute for Evolutionary Life Sciences, University of Groningen. 9700 CC Groningen, The Netherlands
| | - Rob Knight
- Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA.,Center for Microbiome Innovation, University of California San Diego, La Jolla, CA 92093, USA
| | - Juan José Soler
- Departamento de Ecología Funcional y Evolutiva. Estación Experimental de Zonas Áridas, C.S.I.C., E-04120 Almería, Spain
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9
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Ali SM, Siddiqui R, Khan NA. Antimicrobial discovery from natural and unusual sources. ACTA ACUST UNITED AC 2018; 70:1287-1300. [PMID: 30003546 DOI: 10.1111/jphp.12976] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/15/2018] [Indexed: 01/30/2023]
Abstract
OBJECTIVES Whether vertebrates/invertebrates living in polluted environments are an additional source of antimicrobials. KEY FINDINGS Majority of antimicrobials have been discovered from prokaryotes and those which are of eukaryotic origin are derived mainly from fungal and plant sources. With this in mind, it is important to note that pests, such as cockroaches come across pathogenic bacteria routinely, yet thrive in polluted environments. Other animals, such as snakes thrive from feeding on germ-infested rodents. Logically, such species must have developed an approach to protect themselves from these pathogens, yet they have largely been ignored as a potential source of antimicrobials despite their remarkable capability to fight disease-causing organisms. SUMMARY Animals living in polluted environments are an underutilized source for potential antimicrobials, hence it is believed that several novel bioactive molecule(s) will be identified from these sources to counter increasingly resistant bacterial infections. Further research will be necessary in the development of novel antimicrobial(s) from these unusual sources which will have huge clinical impact worldwide.
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Affiliation(s)
- Salwa Mansur Ali
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
| | - Ruqaiyyah Siddiqui
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
| | - Naveed Ahmed Khan
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
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10
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Lesnierowski G, Stangierski J. What's new in chicken egg research and technology for human health promotion? - A review. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2017.10.022] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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11
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Reference gene selection for the shell gland of laying hens in response to time-points of eggshell formation and nicarbazin. PLoS One 2017; 12:e0180432. [PMID: 28671969 PMCID: PMC5495395 DOI: 10.1371/journal.pone.0180432] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 06/15/2017] [Indexed: 02/03/2023] Open
Abstract
Ten reference genes were investigated for normalization of gene expression data in the shell gland of laying hens. Analyses performed with geNorm revealed that hypoxanthine phosphoribosyltransferase 1 (HPRT1) and hydroxymethylbilane synthase (HMBS) were the two most stable reference genes in response to post-oviposition time alone (POT) or with nicarbazin treatment (POT+N) of laying hens. NormFinder analyses showed that the two most stable reference genes in response to POT and POT+N were 18S ribosomal RNA (18S rRNA), ribosomal protein L4 (RPL4) and HMBS, RPL4, respectively. BestKeeper analyses showed that 18S rRNA, RPL4 and HPRT1, HMBS were the two most stable reference genes for POT, and POT+N, respectively. Of the ten reference genes, all except B2M showed geNorm M <0.5, suggesting that they were stably expressed in the shell gland tissue. Consensus from these three programs suggested HPRT1 and HMBS could be used as the two most stable reference genes in the present study. Expression analyses of four candidate target genes with the two most and the two least stable genes showed that a combination of stable reference genes leads to more discriminable quantification of expression levels of target genes, while the least stable genes failed to do so. Therefore, HMBS and HPRT1 are recommended as the two most stable reference genes for the normalization of gene expression data at different stages of eggshell formation in brown-egg laying hens. Available statistical programs for reference gene ranking should include more robust analysis capability to analyse the gene expression data generated from factorial design experiments.
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12
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Evans JK, Buchanan KL, Griffith SC, Klasing KC, Addison B. Ecoimmunology and microbial ecology: Contributions to avian behavior, physiology, and life history. Horm Behav 2017; 88:112-121. [PMID: 28065710 DOI: 10.1016/j.yhbeh.2016.12.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 11/29/2016] [Accepted: 12/05/2016] [Indexed: 12/21/2022]
Abstract
Bacteria have had a fundamental impact on vertebrate evolution not only by affecting the evolution of the immune system, but also generating complex interactions with behavior and physiology. Advances in molecular techniques have started to reveal the intricate ways in which bacteria and vertebrates have coevolved. Here, we focus on birds as an example system for understanding the fundamental impact bacteria have had on the evolution of avian immune defenses, behavior, physiology, reproduction and life histories. The avian egg has multiple characteristics that have evolved to enable effective defense against pathogenic attack. Microbial risk of pathogenic infection is hypothesized to vary with life stage, with early life risk being maximal at either hatching or fledging. For adult birds, microbial infection risk is also proposed to vary with habitat and life stage, with molt inducing a period of increased vulnerability. Bacteria not only play an important role in shaping the immune system as well as trade-offs with other physiological systems, but also for determining digestive efficiency and nutrient uptake. The relevance of avian microbiomes for avian ecology, physiology and behavior is highly topical and will likely impact on our understanding of avian welfare, conservation, captive breeding as well as for our understanding of the nature of host-microbe coevolution.
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Affiliation(s)
- Jessica K Evans
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Geelong 3220, Victoria, Australia; Department of Biological Sciences, Macquarie University, 2122, New South Wales, Australia
| | - Katherine L Buchanan
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Geelong 3220, Victoria, Australia
| | - Simon C Griffith
- Department of Biological Sciences, Macquarie University, 2122, New South Wales, Australia
| | - Kirk C Klasing
- Department of Animal Science, University of California, 1 Shields Avenue, Davis, CA 95616, USA
| | - BriAnne Addison
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Geelong 3220, Victoria, Australia.
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13
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Fang J, Ma M, Jin Y, Qiu N, Ren G, Huang X, Wang C. Changes in the antimicrobial potential of egg albumen during the early stages of incubation and its impact on the growth and virulence response ofSalmonellaEnteritidis. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2012.e17] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Javůrková V, Krkavcová E, Kreisinger J, Hyršl P, Hyánková L. Effects of experimentally increased in ovo lysozyme on egg hatchability, chicks complement activity, and phenotype in a precocial bird. ACTA ACUST UNITED AC 2015. [PMID: 26205223 DOI: 10.1002/jez.1935] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In birds, spectrum of egg white proteins deposited into the egg during its formation are thought to be essential maternal effects. Particularly, egg white lysozyme (LSM), exhibiting great between and within species variability, is considered to be essential for developing avian embryos due to its physiological, antimicrobial, and innate immune defense functions. However, there have been few studies investigating effects of LSM on early post-hatching phenotype, despite its broad physiological and protective role during embryogenesis. Here, we test how experimentally increased concentrations of egg white LSM affect hatchability in Japanese quail (Coturnix japonica) and chick phenotype immediately after hatching (particularly body weight, tarsus length, plasma LSM concentration, and plasma complement activity). Chicks from eggs with increased LSM concentration displayed reduced tarsus length compared to chicks from control eggs while hatchability, body weight and plasma LSM concentration were unaffected. It is worth noting that no effect of increased in ovo lysozyme on eggs hatchability could be related to pathogen-free environment during artificial incubation of experimental eggs causing minimal pressure on embryo viability. While tangible in vivo mechanisms during avian embryogenesis remain to be tested, our study is the first to document experimentally that egg white LSM appears to have growth-regulation role during embryo development, with possible underlying phenotypic consequences in the early post-hatching period in precocial birds.
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Affiliation(s)
- Veronika Javůrková
- Department of Zoology, Biodiversity Research Group, Faculty of Science, Charles University in Prague, Prague 2, Czech Republic.,The Czech Academy of Sciences, Institute of Vertebrate Biology v.v.i., Brno, Czech Republic
| | - Eva Krkavcová
- Department of Zoology, Biodiversity Research Group, Faculty of Science, Charles University in Prague, Prague 2, Czech Republic
| | - Jakub Kreisinger
- Department of Zoology, Biodiversity Research Group, Faculty of Science, Charles University in Prague, Prague 2, Czech Republic.,Department of Biodiversity and Molecular Ecology, Fondazione Edmund Mach, Research and Innovation Centre, Trentino, Italy
| | - Pavel Hyršl
- Department of Animal Physiology and Immunology, Institute of Experimental Biology, Masaryk University, Brno, Czech Republic
| | - Ludmila Hyánková
- Department of Genetics and breeding of farm animals, Institute of Animal Science, Prague, Czech Republic
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15
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Grizard S, Versteegh MA, Ndithia HK, Salles JF, Tieleman BI. Shifts in bacterial communities of eggshells and antimicrobial activities in eggs during incubation in a ground-nesting passerine. PLoS One 2015; 10:e0121716. [PMID: 25880684 PMCID: PMC4400097 DOI: 10.1371/journal.pone.0121716] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Accepted: 02/14/2015] [Indexed: 01/26/2023] Open
Abstract
Microbial invasion of egg contents is a cause of embryonic death. To counter infection risks, the embryo is protected physically by the eggshell and chemically by antimicrobial proteins. If microbial pressure drives embryo mortality, then females may have evolved, through natural selection, to adapt their immune investment into eggs. Although frequently hypothesized, this match between immune allocation and microorganisms has not been explored yet. To examine if correlations between microbes on eggs and immunity in eggs exist, we collected eggs from red-capped larks (Calandrella cinerea) and simultaneously examined their bacterial communities and antimicrobial components—pH, lysozyme and ovotransferrin—during natural incubation. Using molecular techniques, we find that bacterial communities are highly dynamic: bacterial abundance increases from the onset to late incubation, Shannon’s α-diversity index increases during early incubation stages, and β-diversity analysis shows that communities from 1 day-old clutches are phylogenetically more similar to each other than the older ones. Regarding the antimicrobials, we notice a decrease of pH and lysozyme concentration, while ovotransferrin concentration increases during incubation. Interestingly, we show that two eggs of the same clutch share equivalent immune protection, independent of clutch age. Lastly, our results provide limited evidence of significant correlation between antimicrobial compounds and bacterial communities. Our study examined simultaneously, for the first time in a wild bird, the dynamics of bacterial communities present on eggshells and of albumen-associated antimicrobial components during incubation and investigated their relationship. However, the link between microorganisms and immunity of eggs remains to be elucidated further. Identifying invading microbes and their roles in embryo mortality, as well as understanding the role of the eggshell microbiome, might be key to better understand avian strategies of immune maternal investment.
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Affiliation(s)
- Stéphanie Grizard
- Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
- Department of Microbial Ecology, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
- * E-mail:
| | - Maaike A. Versteegh
- Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
| | - Henry K. Ndithia
- Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
- Department of Zoology, Ornithology section, National Museums of Kenya, Nairobi, Kenya
| | - Joana F. Salles
- Department of Microbial Ecology, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
| | - B. Irene Tieleman
- Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands
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16
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Rose-Martel M, Smiley S, Hincke MT. Novel identification of matrix proteins involved in calcitic biomineralization. J Proteomics 2015; 116:81-96. [DOI: 10.1016/j.jprot.2015.01.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 01/01/2015] [Accepted: 01/03/2015] [Indexed: 02/06/2023]
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17
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Warne RW, Proudfoot GA, Crespi EJ. Biomarkers of animal health: integrating nutritional ecology, endocrine ecophysiology, ecoimmunology, and geospatial ecology. Ecol Evol 2015; 5:557-66. [PMID: 25691980 PMCID: PMC4328761 DOI: 10.1002/ece3.1360] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 11/17/2014] [Indexed: 11/25/2022] Open
Abstract
Diverse biomarkers including stable isotope, hormonal, and ecoimmunological assays are powerful tools to assess animal condition. However, an integrative approach is necessary to provide the context essential to understanding how biomarkers reveal animal health in varied ecological conditions. A barrier to such integration is a general lack of awareness of how shared extraction methods from across fields can provide material from the same animal tissues for diverse biomarker assays. In addition, the use of shared methods for extracting differing tissue fractions can also provide biomarkers for how animal health varies across time. Specifically, no study has explicitly illustrated the depth and breadth of spacial and temporal information that can be derived from coupled biomarker assessments on two easily collected tissues: blood and feathers or hair. This study used integrated measures of glucocorticoids, stable isotopes, and parasite loads in the feathers and blood of fall-migrating Northern saw-whet owls (Aegolius acadicus) to illustrate the wealth of knowledge about animal health and ecology across both time and space. In feathers, we assayed deuterium (δD) isotope and corticosterone (CORT) profiles, while in blood we measured CORT and blood parasite levels. We found that while earlier migrating owls had elevated CORT levels relative to later migrating birds, there was also a disassociation between plasma and feather CORT, and blood parasite loads. These results demonstrate how these tissues integrate time periods from weeks to seasons and reflect energetic demands during differing life stages. Taken together, these findings illustrate the potential for integrating diverse biomarkers to assess interactions between environmental factors and animal health across varied time periods without the necessity of continually recapturing and tracking individuals. Combining biomarkers from diverse research fields into an integrated framework hold great promise for advancing our understanding of environmental effects on animal health.
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Affiliation(s)
- Robin W Warne
- Department of Biology, Vassar College 124 Raymond Ave, Poughkeepsie, New York, 12604
| | - Glenn A Proudfoot
- Department of Biology, Vassar College 124 Raymond Ave, Poughkeepsie, New York, 12604
| | - Erica J Crespi
- Department of Biology, Vassar College 124 Raymond Ave, Poughkeepsie, New York, 12604
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18
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Huang HL, Cheng YS. A novel minisequencing single-nucleotide polymorphism marker of the lysozyme gene detects high hatchability of Tsaiya ducks (Anas platyrhynchos). Theriogenology 2014; 82:1113-20. [DOI: 10.1016/j.theriogenology.2014.07.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 07/16/2014] [Accepted: 07/22/2014] [Indexed: 10/25/2022]
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19
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Maehashi K, Ueda M, Matano M, Takeuchi J, Uchino M, Kashiwagi Y, Watanabe T. Biochemical and functional characterization of transiently expressed in neural precursor (TENP) protein in emu egg white. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:5156-5162. [PMID: 24820544 DOI: 10.1021/jf5008117] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A protein transiently expressed in the neural precursors of developing tissues (TENP) was found to be present in emu (Dromaius novaehollandiae) egg white as one of the major proteins. Nucleotide analysis of its encoding cDNA revealed a sequence of 452 amino acids including a 19 amino acid peptide signal. Phylogenetic analysis determined that emu TENP was clustered within the bactericidal/permeability-increasing protein (BPI) superfamily together with other avian TENPs. RT-PCR analysis revealed that the emu TENP gene was highly expressed in the magnum of the oviduct, indicating that TENP is a major egg white component. Emu TENP was purified by anion exchange chromatography and ammonium sulfate fractionation. Unlike BPI, emu TENP exhibited antibacterial activity against Gram-positive bacteria, including Micrococcus luteus and Bacillus subtilis, but not against Gram-negative bacteria such as Escherichia coli and Salmonella Typhimurium. The results suggest that emu TENP is a potent novel antibacterial protein with a spectrum distinct from that of BPI.
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Affiliation(s)
- Kenji Maehashi
- Department of Fermentation Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture , 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
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Whenham N, Wilson PW, Bain MM, Stevenson L, Dunn IC. Comparative biology and expression of TENP, an egg protein related to the bacterial permeability-increasing family of proteins. Gene 2014; 538:99-108. [DOI: 10.1016/j.gene.2013.12.065] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 12/17/2013] [Accepted: 12/30/2013] [Indexed: 10/25/2022]
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21
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Peralta-Sánchez JM, Soler JJ, Martín-Platero AM, Knight R, Martínez-Bueno M, Møller AP. Eggshell bacterial load is related to antimicrobial properties of feathers lining barn swallow nests. MICROBIAL ECOLOGY 2014; 67:480-487. [PMID: 24317898 DOI: 10.1007/s00248-013-0338-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Accepted: 11/22/2013] [Indexed: 06/02/2023]
Abstract
The use of feathers to line bird's nests has traditionally been interpreted as having a thermoregulatory function. Feather-degrading bacteria growing on feathers lining nests may have antimicrobial properties, which may provide an additional benefit to lining nests with feathers. We test the hypothesis that the production of antimicrobial substances by feather bacteria affects the microbiological environment of the nest, and therefore the bacterial density on eggshells and, indirectly, hatching success. These effects would be expected to differ between nests lined with pigmented and white feathers, because bacteria grow differently on feathers of different colors. We experimentally manipulated the composition of pigmented and unpigmented feathers in nests of the barn swallow (Hirundo rustica) and studied the antimicrobial properties against the keratin-degrading bacterium Bacillus licheniformis of bacteria isolated from feathers of each color. Analyzed feathers were collected at the end of the incubation period, and antimicrobial activity was defined as the proportion of bacteria from the feathers that produce antibacterial substances effective against B. licheniformis. Our experimental manipulation affected antimicrobial activity, which was higher in nests with only white feathers at the beginning of incubation. Moreover, white feathers showed higher antimicrobial activity than black ones. Interestingly, antimicrobial activity in feathers of one of the colors correlated negatively with bacterial density on feather of the opposite color. Finally, antimicrobial activity of white feathers was negatively related to eggshell bacterial load. These results suggest that antimicrobial properties of feathers in general and of white feathers in particular affect the bacterial environment in nests. This environment in turn affects the bacterial load on eggshells, which may affect hatching success.
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Cuperus T, Coorens M, van Dijk A, Haagsman HP. Avian host defense peptides. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2013; 41:352-369. [PMID: 23644014 DOI: 10.1016/j.dci.2013.04.019] [Citation(s) in RCA: 136] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2013] [Accepted: 04/24/2013] [Indexed: 06/02/2023]
Abstract
Host defense peptides (HDPs) are important effector molecules of the innate immune system of vertebrates. These antimicrobial peptides are also present in invertebrates, plants and fungi. HDPs display broad-spectrum antimicrobial activities and fulfill an important role in the first line of defense of many organisms. It is becoming increasingly clear that in the animal kingdom the functions of HDPs are not confined to direct antimicrobial actions. Research in mammals has indicated that HDPs have many immunomodulatory functions and are also involved in other physiological processes ranging from development to wound healing. During the past five years our knowledge about avian HDPs has increased considerably. This review addresses our current knowledge on the evolution, regulation and biological functions of HDPs of birds.
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Affiliation(s)
- Tryntsje Cuperus
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, The Netherlands
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23
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Krištofík J, Darolová A, Griggio M, Majtán J, Okuliarová M, Zeman M, Zídková L, Hoi H. Does egg colouration signal female and egg quality in reed warbler (Acrocephalus scirpaceus)? ETHOL ECOL EVOL 2013. [DOI: 10.1080/03949370.2012.744357] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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24
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Li L, Zhao J, Wang L, Qiu L, Song L. Genomic organization, polymorphisms and molecular evolution of the goose-type lysozyme gene from Zhikong scallop Chlamys farreri. Gene 2013; 513:40-52. [DOI: 10.1016/j.gene.2012.10.080] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 10/09/2012] [Accepted: 10/11/2012] [Indexed: 10/27/2022]
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25
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Myint SL, Kinoshita K, Shimogiri T, Ibrahim HR, Tsusaki T, Tanoue T, Kawabe K, Maeda Y, Okamoto S. Effect of polymorphism in egg white lysozyme on muramidase and antibacterial activities as well as hatchability in the Japanese quail (Coturnix japonica). J Anim Sci 2012; 90:1747-55. [DOI: 10.2527/jas.2011-4501] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Si Lhyam Myint
- United Graduate School of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Keiji Kinoshita
- Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan
| | - Takeshi Shimogiri
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Hisham R. Ibrahim
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Tomohiro Tsusaki
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Tomomi Tanoue
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Kotaro Kawabe
- Frontier Science Research Center (FSRC), Kagoshima University, Kagoshima 890-0065, Japan
| | - Yoshizane Maeda
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
| | - Shin Okamoto
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
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Qiu N, Ma M, Cai Z, Jin Y, Huang X, Huang Q, Sun S. Proteomic analysis of egg white proteins during the early phase of embryonic development. J Proteomics 2012; 75:1895-905. [DOI: 10.1016/j.jprot.2011.12.037] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Revised: 12/20/2011] [Accepted: 12/25/2011] [Indexed: 10/14/2022]
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27
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CHEN SHIANGLIANG, WENG YIHMING, HUANG JANJENG, LIN KOUJOONG. PHYSICOCHEMICAL CHARACTERISTICS AND BACTERIOSTATIC ABILITY OF MODIFIED LYSOZYME FROM LACTIC ACID-INDUCED GELLED EGG WHITE POWDER. J FOOD PROCESS PRES 2011. [DOI: 10.1111/j.1745-4549.2011.00584.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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29
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Alabdeh M, Lechevalier V, Nau F, Gautier M, Cochet MF, Gonnet F, Jan S, Baron F. Role of incubation conditions and protein fraction on the antimicrobial activity of egg white against Salmonella Enteritidis and Escherichia coli. J Food Prot 2011; 74:24-31. [PMID: 21219759 DOI: 10.4315/0362-028x.jfp-10-157] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The mechanism of egg white antimicrobial activity involves specific molecules and environmental factors. However, it is difficult to compare the data from the literature because of the use of various bacterial strains and incubation conditions. The aim of our study was to determine the effect of temperature, pH, inoculum size, and egg white protein concentration on egg white antimicrobial activity and to investigate the putative interactions among these factors by conducting a complete factorial design analysis. The behavior of Salmonella Enteritidis and Escherichia coli was studied after precultivation in tryptic soy broth and Luria-Bertani broth, respectively, using three different egg white protein concentrations (0, 10, and 100%), five temperatures (37, 40, 42, 45, and 48°C), two pHs (7.8 and 9.3), and six inoculum levels (3 to 8 log CFU/ml). The essential role of temperature was identified. An inverse relationship was observed between bacterial growth and an increase in temperature. The role of egg white proteins was clearly demonstrated. In the absence of egg white proteins, bacterial growth occurred under most incubation conditions, whereas the presence of 10 and 100% protein produced bacteriostatic or bactericidal effects. The interaction between temperature and protein concentration was significant. At the highest tested temperatures, proteins were less involved in the bactericidal effect. Bacterial destruction was higher at pH 9.3 than at pH 7.8. Under our experimental conditions, Salmonella Enteritidis was more resistant to inactivation by egg white than was E. coli.
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Affiliation(s)
- Maria Alabdeh
- AGROCAMPUS Ouest, UMR1253 Science et Technologie du Lait et de l'Œuf, F-35042 Rennes, France
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Giraudeau M, Czirják GÁ, Duval C, Bretagnolle V, Eraud C, McGraw KJ, Heeb P. Effect of restricted preen-gland access on maternal self maintenance and reproductive investment in mallards. PLoS One 2010; 5:e13555. [PMID: 21048952 PMCID: PMC2965083 DOI: 10.1371/journal.pone.0013555] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2010] [Accepted: 09/12/2010] [Indexed: 11/23/2022] Open
Abstract
Background As egg production and offspring care are costly, females should invest resources adaptively into their eggs to optimize current offspring quality and their own lifetime reproductive success. Parasite infections can influence maternal investment decisions due to their multiple negative physiological effects. The act of preening – applying oils with anti-microbial properties to feathers – is thought to be a means by which birds combat pathogens and parasites, but little is known of how preening during the reproductive period (and its expected disease-protecting effects) influences maternal investment decisions at the level of the egg. Methodology/Principal Findings Here, we experimentally prevented female mallards (Anas platyrhynchos) from accessing their preen gland during breeding and monitored female immunoresponsiveness (e.g., plasma lysozyme concentration) as well as some egg traits linked to offspring quality (e.g., egg mass, yolk carotenoid content, and albumen lysozyme levels). Females with no access to their preen gland showed an increase in plasma lysozyme level compared to control, normally preening females. In addition, preen-gland-restricted females laid significantly lighter eggs and deposited higher carotenoid concentrations in the yolk compared to control females. Albumen lysozyme activity did not differ significantly between eggs laid by females with or without preen gland access. Conclusion/Significance Our results establish a new link between an important avian self-maintenance behaviour and aspects of maternal health and reproduction. We suggest that higher yolk carotenoid levels in eggs laid by preen-gland-restricted females may serve to boost health of offspring that would hatch in a comparatively microbe-rich environment.
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Affiliation(s)
- Mathieu Giraudeau
- Laboratoire Évolution et Diversité Biologique, UMR 5174, Centre National de la Recherche Scientifique, Université Paul Sabatier, Toulouse, France.
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31
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Bonisoli-Alquati A, Rubolini D, Romano M, Cucco M, Fasola M, Caprioli M, Saino N. Egg antimicrobials, embryo sex and chick phenotype in the yellow-legged gull. Behav Ecol Sociobiol 2010. [DOI: 10.1007/s00265-010-0901-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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32
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Dunn IC, Wilson PW, Lu Z, Bain MM, Crossan CL, Talbot RT, Waddington D. New hypotheses on the function of the avian shell gland derived from microarray analysis comparing tissue from juvenile and sexually mature hens. Gen Comp Endocrinol 2009; 163:225-32. [PMID: 19303879 DOI: 10.1016/j.ygcen.2009.03.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2008] [Revised: 03/10/2009] [Accepted: 03/12/2009] [Indexed: 11/15/2022]
Abstract
Activation of the shell gland region of the avian oviduct is mediated by ovarian steroids. To understand more extensively how shell glands are maintained and function, we have compared gene expression in the shell glands from juvenile and laying hens using a chicken cDNA microarray. Average expression profiles of juvenile and sexually mature shell glands were compared resulting in the identification of 266 differentially regulated genes. Reverse transcription quantitative polymerase chain reaction confirmed expression differences. The differentially expressed genes included several with known involvement in shell gland function, including ion transport and shell matrix proteins. There were also many unpredicted differentially expressed genes, and for some we propose hypotheses for their functions. These include those encoding (a) osteoprotegerin, a decoy death receptor for receptor activator of nuclear factor NFkB ligand (RANKL) and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), that in the shell gland, may prevent apoptosis and/or may have an endocrine effect by preventing RANKL's action on bone osteoclasts that mobilize stored calcium; (b) prostatic acid phosphatase (ACPP) and prostate stem cell antigen (PSCA) that could play a role in sperm physiology within the shell gland; (c) urea transporter (SLC14A2) that could provide a novel anti-microbial defence; (d) bactericidal/permeability-increasing protein-like 2 (BPIL2), and other potential anti-microbials that have not previously been documented in the chicken. These new hypotheses, if borne out experimentally, will lead to a greater understanding of shell gland function including the processes involved in eggshell formation and anti-microbial activity.
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Affiliation(s)
- I C Dunn
- Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Roslin, Midlothian, Scotland EH25 9PS, UK.
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Li L, Zhao J, Wang L, Qiu L, Zhang H, Dong C, Cong M, Song L. The polymorphism of lysozyme gene in Zhikong scallop (Chlamys farreri) and its association with susceptibility/resistance to Listonella anguillarum. FISH & SHELLFISH IMMUNOLOGY 2009; 27:136-142. [PMID: 19154789 DOI: 10.1016/j.fsi.2008.12.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2008] [Revised: 12/08/2008] [Accepted: 12/22/2008] [Indexed: 05/27/2023]
Abstract
Lysozyme functions as a crucial biodefence effector against the infection of bacterial pathogens in innate immunity. The nucleotide sequence polymorphisms in promoter region of a nuclear goose type lysozyme gene from Zhikong scallop Chlamys farreri (designated as CFLysG) were investigated to explore their association with susceptibility/resistance to Listonella anguillarum infection. Eight sites of single nucleotide polymorphisms (SNPs) and two sites of insert-deletion (ins-del) polymorphisms were identified in the promoter region of CFLysG. Two of them, -753 TATCTCGATCAGG ins-del polymorphism and -391 A-G SNP were selected to analyze their distribution in the susceptible and resistant stocks, which were identified according to the survival time after L. anguillarum challenge. Using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), two genotypes were found at each site, which were ins/del and ins/ins at locus -753, and A/A and A/G at locus -391, respectively. The -753 ins/del genotype was more prevalent in the resistant stock than that in the susceptible stock, 30% vs 16.67% in frequency, but there was no significant difference in the frequency distribution between these two stocks (P=0.15). In contrast, the frequency of -391A/G genotype in the resistant stock was significantly higher (30%) than that in the susceptible stock (7.14%) (P=0.007), indicating a significant association with the resistance of Zhikong scallop to L. anguillarum. To confirm the presumption, another independent challenge experiment was performed, in which the cumulative mortality of scallops with -391 A/A genotype (96.8%) was significantly higher than those with -391 A/G genotype (64.5%) (P=0.001), which further validate the association between -391 A/G genotype and the resistance of Zhikong scallop to L. anguillarum. These results suggested that the -391 A/G could be a potential marker applied in future selection of Zhikong scallop with enhanced resistance to L. anguillarum.
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Affiliation(s)
- Ling Li
- Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Rd., Qingdao 266071, China
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Wellman-Labadie O, Lakshminarayanan R, Hincke MT. Antimicrobial properties of avian eggshell-specific C-type lectin-like proteins. FEBS Lett 2008; 582:699-704. [DOI: 10.1016/j.febslet.2008.01.043] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Revised: 01/24/2008] [Accepted: 01/25/2008] [Indexed: 11/24/2022]
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