Editorial for Perspectives in Cichlid Endocrinology
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1 2 Guest Editor’s Introduction 4 Editorial for Perspectives in Cichlid Endocrinology Q1 5 6 7 8 The macromolecules that carry on the business of life depend 9 on the neuroendocrine system and the hormonal milieu that plays 10 an essential role in regulating, maintaining and integrating 11 responses to stress and injury, growth and development, absorp- 12 tion of nutrients, energy metabolism, water and electrolyte balance 13 and reproduction. The endocrine system uses chemical cues, sub- 14 stances synthesized and secreted by specialized cells, and their 15 receptors, to integrate development, proliferation and growth, in 16 accordance with metabolism, respiration, excretion, movement, 17 reproduction, osmoregulation and sensory perception. 18 Cichlid fishes are an important evolutionary and endocrine 19 model. They offer several advantages as an experimental system, 20 which together with their evolutionary richness make them an 21 excellent model for studying evolution, physiology, reproduction 22 and behavior. Among cichlids, tilapia are an increasingly popular 23 model organism due to their high growth potential, short genera- 24 tion time, ease of spawning and disease resistance. Many species 25 of tilapia easily adapt to a wide range of salinities, oxygen, tem- 26 peratures, crowding and handling and serve as model organisms 27 across vertebrates. As an applied model, worldwide aquaculture 28 production of tilapias (the most economically important group 29 within cichlids) is second only to carps among finfishes. 30 The symposium from which the following proceedings derive 31 was held from October 3–6, 2013 at the Ein Herod Ihud Kibbutz 32 near Mt. Gilboa, Israel, and brought together world renowned 33 researchers from six countries including Brazil, Germany, Israel, 34 Japan, Portugal and the United States. Presentations surveyed cur- 35 rent knowledge regarding cichlid endocrine systems, including the 36 neuroendocrine cells, hormones, and receptors, and considered the 37 deployment of these components in functional systems relevant to 38 the aquatic life of cichlid fishes. Importantly, presentations pro- 39 vided new, cutting edge data advancing their respective field of 40 knowledge across the disciplines of behavior, evolutionary biology, 41 physiology and reproduction. 42 Thirty two professors and students discussed their research 43 through formal presentations and over shared meals while living 44 together over the course of the three day workshop. Fifteen 45 research papers were presented and long lasting collaborations 46 and friendships were formed. The twelve original research papers 47 and three reviews that follow offer exciting clues to understanding 48 the developmental and evolutionary histories of endocrine sys- 49 tems, and continue our collective understanding that unravels 50 the complex life histories of fishes exhibiting hormonally regulated 51 development, growth, metabolism, nutrition, osmoregulation and 52 reproduction. 53 We are very thankful for the support provided by the Binational 54 Aquaculture Research Development Fund (BARD), which provided 55 the funding that facilitated an atmosphere for collegiality and col- 56 laboration, intellectual exploration and growth, as well as long 57 lasting friendships. BARD is a competitive funding program for 58 mutually beneficial, mission-oriented, strategic and applied 59 research of agricultural problems, jointly conducted by American 60 and Israeli scientists. Most BARD projects focus on increasing agri- 61 cultural productivity, particularly in hot and dry climates, and 62 emphasize plant and animal health, food quality and safety, and 63 environmental issues. This seminal symposium is seen as a first 64 in a tradition of symposia, conferences and workshops focused 65 on the ‘‘Endocrinology of cichlids’’. 66 Darren T. Lerner ⇑ Q2 67 Hawaii Institute of Marine Biology, 68 University of Hawaii at Manoa, United States Q3 69 ⇑ Fax: +1 808 956 3014. 70 E-mail address: [email protected] 71 72 Available online xxxx 73 74 http://dx.doi.org/10.1016/j.ygcen.2014.04.023 0016-6480/Ó 2014 Published by Elsevier Inc. General and Comparative Endocrinology xxx (2014) xxx–xxx Contents lists available at ScienceDirect General and Comparative Endocrinology journal homepage: www.elsevier.com/locate/ygcen YGCEN 11806 No. of Pages 1, Model 5G 10 May 2014
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General and Comparative Endocrinology xxx (2014) xxx–xxx
YGCEN 11806 No. of Pages 1, Model 5G
10 May 2014
Contents lists available at ScienceDirect
General and Comparative Endocrinology
journal homepage: www.elsevier .com/locate /ygcen
Guest Editor’s Introduction
Editorial for Perspectives in Cichlid Endocrinology
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The macromolecules that carry on the business of life dependon the neuroendocrine system and the hormonal milieu that playsan essential role in regulating, maintaining and integratingresponses to stress and injury, growth and development, absorp-tion of nutrients, energy metabolism, water and electrolyte balanceand reproduction. The endocrine system uses chemical cues, sub-stances synthesized and secreted by specialized cells, and theirreceptors, to integrate development, proliferation and growth, inaccordance with metabolism, respiration, excretion, movement,reproduction, osmoregulation and sensory perception.
Cichlid fishes are an important evolutionary and endocrinemodel. They offer several advantages as an experimental system,which together with their evolutionary richness make them anexcellent model for studying evolution, physiology, reproductionand behavior. Among cichlids, tilapia are an increasingly popularmodel organism due to their high growth potential, short genera-tion time, ease of spawning and disease resistance. Many speciesof tilapia easily adapt to a wide range of salinities, oxygen, tem-peratures, crowding and handling and serve as model organismsacross vertebrates. As an applied model, worldwide aquacultureproduction of tilapias (the most economically important groupwithin cichlids) is second only to carps among finfishes.
The symposium from which the following proceedings derivewas held from October 3–6, 2013 at the Ein Herod Ihud Kibbutznear Mt. Gilboa, Israel, and brought together world renownedresearchers from six countries including Brazil, Germany, Israel,Japan, Portugal and the United States. Presentations surveyed cur-rent knowledge regarding cichlid endocrine systems, including theneuroendocrine cells, hormones, and receptors, and considered thedeployment of these components in functional systems relevant tothe aquatic life of cichlid fishes. Importantly, presentations pro-vided new, cutting edge data advancing their respective field ofknowledge across the disciplines of behavior, evolutionary biology,physiology and reproduction.
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Thirty two professors and students discussed their researchthrough formal presentations and over shared meals while livingtogether over the course of the three day workshop. Fifteenresearch papers were presented and long lasting collaborationsand friendships were formed. The twelve original research papersand three reviews that follow offer exciting clues to understandingthe developmental and evolutionary histories of endocrine sys-tems, and continue our collective understanding that unravelsthe complex life histories of fishes exhibiting hormonally regulateddevelopment, growth, metabolism, nutrition, osmoregulation andreproduction.
We are very thankful for the support provided by the BinationalAquaculture Research Development Fund (BARD), which providedthe funding that facilitated an atmosphere for collegiality and col-laboration, intellectual exploration and growth, as well as longlasting friendships. BARD is a competitive funding program formutually beneficial, mission-oriented, strategic and appliedresearch of agricultural problems, jointly conducted by Americanand Israeli scientists. Most BARD projects focus on increasing agri-cultural productivity, particularly in hot and dry climates, andemphasize plant and animal health, food quality and safety, andenvironmental issues. This seminal symposium is seen as a firstin a tradition of symposia, conferences and workshops focusedon the ‘‘Endocrinology of cichlids’’.
Darren T. Lerner⇑Hawaii Institute of Marine Biology,
University of Hawaii at Manoa, United States⇑ Fax: +1 808 956 3014.
E-mail address: [email protected]
Available online xxxx
