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haliotis discus hannai

Research Article . We cloned a prepro-GnRH cDNA (Hdh-GnRH) from the pleural-pedal ganglion (PPG) in H. discus hannai, and analyzed its spatiotemporal gene expression pattern. Aquaculture of this species is a thriving and prosperous industry in China, producing about 50,000 mt in 2010 (China Bureau of Fisheries 2011). Haliotis discus hannai Ino, 1953. Haliotis discus hannai, a species of Pacific abalone, is a highly valuable food source throughout Northeast Asia. The possible inositol-synthesizing capacity of intestinal microflora was also examined. Appearance and internal structures of abalone (Haliotis discus hannai Ino) Practical II Preparation of adult abalone. Alfonso Mardones 1, Alberto Augsburger 1, Rolando Vega 1 & Patricio de Los Ríos-Escalante 2, 3. Haliotis discus hannai was approximately 1:1 in the three areas. Summer mortality, caused by thermal conditions, is the biggest threat to abalone aquaculture production industries. The genetic diversity of hatchery stocks of H. discus hannai in most areas of China, however, remains unknown. The Pacific abalone (Haliotis discus hannai Ino) is distributed naturally along the coastal waters of East Asia including China, Korea, and Japan. KEY WORDS: abalone, Haliotis discus hannai, Haliotis gigantea, hybridization, artificial fertilization, sperm concentration, gamete age INTRODUCTION Aquaculture of Pacific abalone (Haliotis discus hannai) has become increasingly popular in Northeast Asia, especially in Practical IV Spawning. 397083 (urn:lsid:marinespecies.org:taxname:397083) Classification. In the present study, a full-length cDNA encoding the IGFBP-5 gene was cloned and characterized from the cerebral ganglion of Haliotis discus hannai. Also know as 'Japanese disc abalone, ezo abalone, Pacific abalone, Japanese abalone'. Haliotis discus, commonly called "disk abalone," or "Edo abalone," is a species of abalone sea snail. Haliotis discus hannai is probably the most widely studied abalone species in the world . The name abalone is probably derived from the Spanish-American word ‘aulon’ or ‘aulone’. "This species is closely allied in all characters to Haliotis kamtschatkana but is more elongated than the typical Kamtschatkana. Pacific abalone, Haliotis discus hannai viscera is, reported to possess bioactivities such as antioxidative stress and anti-inflammatory. There are no pictures available for this datasheet, Vibrio spp. The European Zoological Journal: Vol. 648-658. Growth rates of Haliotis rufescens and Haliotis discus hannai in tank culture systems in southern Chile (41.5°S). It is also the most commonly cultured species of abalone in Korea. CABI is a registered EU trademark. A full-length cDNA sequence encoding a GnRH receptor was cloned from the pleuropedal ganglion of the Pacific abalone, Haliotis discus hannai.The cloned sequence is 1499-bp in length encoding a protein of 460 amino acid residues, with a molecular mass of 52.22 kDa and an isoelectric point (pI) of 9.57. It is the only abalone species in Japan that is tolerant of cold water temperatures, and can survive extended periods when the water temperature is below 5°C (Hahn, 1989). Practical III Broodstock conditioning. Haliotis discus hannai was introduced into Chile specifically for commercial farming which has occurred since the late 1980s. Tasas de crecimiento de Haliotis rufescens y Haliotis discus hannai en cultivos en estanques en el sur de Chile (41,5°S). In H. discus hannai the epipodium has a brownish striped appearance. It is well known that abalone habitation impacts algal communications connected with the reef ecosystem, so they are often utilized for ecological research [2]. Haliotis discus hannai is probably the most widely studied abalone species in the world (Hahn, 1989). Practical VI Rearing of free-swimming larvae. However, little is currently known on the molecular basis of sex determination in the species. It has a male heterogametic (XX/XY) sex determination system. Detailed coverage of invasive species threatening livelihoods and the environment worldwide. Like all other abalone, H. discus hannai is a member of a large molluscan class, the Gastropoda, and the group is characterized by having single-piece shells. Various measures have been taken to mitigate this issue by adjusting the environment; however, the cellular processes of Pacific abalone (Haliotis discus hannai) have been overlooked due to the paucity of genetic information. Pilsbry (1890) Manual of Conchology XII; Academy of Natural Sciences, Philadelphia, 1890, https://en.wikipedia.org/w/index.php?title=Haliotis_discus&oldid=977647601, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 September 2020, at 03:25. Haliotis discus hannai 002.jpg 1,797 × 1,384; 857 KB Haliotis discus hannai 01.JPG 7,500 × 5,216; 10.88 MB Haliotis discus hannai IMG 5342 Beijing Museum of Natural History - NHM of Guangxi - Gulf of Tonkin collection.jpg 1,653 × 1,935; 762 KB It is considered an important fishery industry anima… H. discus hannai, the Japanese abalone, is found from Siberia to China (Ino, 1980). The Pacific abalone, Haliotis discus hannai, is the most important cultivated abalone in China [1, 2].The foot muscle is the main edible portion of the abalone. In our country the measurement of isothermal line is conducted in which water temperature in 25 meters depth reaches 12 °C in February. They have a soft body surrounded by a mantle, an anterior head and a large muscular foot. [2], H. discus is endemic to the waters off Japan and eastern Asia. This species is not native to South America. Practical VII Rearing of juvenile abalone. Background The Pacific abalone, Haliotis discus hannai, is the most important cultivated abalone in China. Although this is also true of H. discus hannai, in its particular case, the dome of the shell is not particularly high, and the shell is generally elliptical. They have a soft body surrounded by a mantle, an anterior head and a large muscular foot. A sensory structure, the epipodium, is an extension of the foot that bears tentacles and projects beyond the shell edge in the living abalone. or Laminaria sp.. although the species is an important mariculture shellfish in Korea. Generate a print friendly version containing only the sections you need. It is generally found in shallow subtidal habitats, extending from about 1 to 5 m water depth. Insulin-like growth factor binding protein family is known to be involved in regulating biological actions of insulin-like growth factors (IGFs). [3], H.A. The shell of H. discus hannai is relatively thin and has a curved row of respiratory pores, (rounded shell perforations overlying the respiratory cavity), three to five of which are open in this species. Aquaculture of Haliotis discus hannai is a thriving and prosperous industry in China, producing about 50,000 metric tonnes in 2010. The full-length PC2 cDNA sequence was cloned from pleuropedal ganglion of Haliotis discus hannai, consisted of 2254-bp with an open reading frame of 1989-bp and encoded a protein of 662 amino acid residues. Synchronous spawning is an important behavior to increase fertilization success of invertebrates with external fertilization. 1, pp. Haliotis discus hannai is an important species in Korea. 2014). The Abalone Mapping Project - ABMAP (Daniel Geiger). AphiaID. Synchronized control of early life in the abalone, Haliotis discus hannai INO, Haliotidae, Gastropoda [In Japanese with English summary]. The Pacific abalone Haliotis discus hannai Ino is an economically important gastropod species distributed in the coastal waters of China, Japan, and Korea. They belong to the family Haliotidae and the genus Haliotis, which means sea ear, this referring to the flattened, and sometimes ear-shaped form of the shell. As H. discus hannai primarily feed on brown algae and largely extract their energy from algal polysaccharides, understanding the mechanisms by which they digest algal polysaccharides is essential for elucidating their energy metabolism. Abalone is one of the most important marine gastropod mollusks that inhabits various coastal regions of the world. Molecular cloning, in silico characterization and expression analysis of axonemal protein 66.0 in Pacific abalone, Haliotis discus hannai. The species page of 'Haliotis discus hannai'. The epipodium is generally pigmented and this is often used as a distinguishing character between species. In this study, anti-inflammatory potential of mucus-secreting glands from shell-shucking waste of H. discus hannai was evaluated … Previous work has shown that it is possible to induce spawning behavior using free radicals in tank experiments, but the stimulus for spawning in the wild is not fully understood. Bull Tohoku Reg Fish Res Lab 38: 143–153, 1977. Abalone and their food, Ulva and Gracilaria. Feeding Haliotis discus hannai depends mainly oil the use of macroalgae such as Undaria sp. Here, we evaluated the reproductive control system mediated by GnRH in the Pacific abalone Haliotis discus hannai. Haliotis (Haliotis) discus hannai: Iino, T., 1952: Shell size 100 - 220 mm Japan; Korea The sex ratio of Haliotis discus discus collected on Jeju Island has been reported to be 1:0.8 (Kim et al. Although it is a fairly slow growing species of abalone, it is highly favoured in the Japanese market and commands the highest prices of any abalone species worldwide. Abalone (Haliotis discus hannai) is a marine gastropod, and an important fishery and food industrial resource that is massively maricultured in Asia, Africa, Australia and America. The annual production of cultured abalone exceeded 100,000 t in 2013, and the Pacific abalone was the main farmed species. In this study, … 1) [3, 4]. Ezo abalone Haliotis discus hannai mainly spawn during stormy weather. Prohormone convertases (PCs) are subtilisin-like proteases responsible for the intracellular processing of prohormones and proneuropeptides in vertebrates and invertebrates. The interior surface of the shell has an iridescent appearance, being covered by a ‘nacre’ or so-called ‘mother of pearl’. It is also found on the Korean Peninsula and at some locations on the eastern coast of mainland China, particularly off Shandong and Liaoning provinces (Geiger, 2000). Haliotis discus hannai is probably the most widely studied abalone species in the world (Hahn, 1989). ABSTRACT Pacific abalone Haliotis discus hannai is one of the most important species of shellfish aquaculture. Pacific abalone Haliotis discus hannai is one of the most commercially important mollusk species in Korean aquaculture domain. Like all other abalone, H. discus hannai is a member of a large molluscan class, the Gastropoda, and the group is characterized by having single-piece shells. © Copyright 2020 CAB International. Parentage assignment in hybrid abalones (Haliotis rufescens 3 Haliotis discus hannai) based on microsatellite DNA markers [1], The size of the shell varies between 100 mm and 150 mm. They are distributed in the East and West coasts and are also found along the Liaodong and Shandong peninsula in China. (juvenile vibriosis) of abalone. infections. Abalone (Haliotis discus hannai) is one of the most valuable marine aquatic species in Korea, Japan and China.Tremendous exposure to bacterial infection is common in aquaculture environment, especially by Vibrio sp. (2020). In Korea, two species of abalone are found, H. gigantea, which is found on Jeju Island, and H. discus hannai, which is a cold water species, inhabiting the mainland. Improving abalone muscle growth and increasing the rate of growth are important genetic improvement programs [].A better understanding of the molecular mechanisms of muscle growth can provide useful knowledge for programs that aim … Practical V Egg fertilization and early embryo handling. 87, No. Biota; Animalia (Kingdom) Mollusca (Phylum) Gastropoda (Class) Vetigastropoda (Subclass) Lepetellida (Order) Haliotoidea (Superfamily) Haliotidae (Family) 3.3 Ecology of the species Farms cultivating the Japanese abalone have been established in many parts of Japan, particularly in the colder water locations. Haliotis (Haliotis) discus discus Reeve, 1846, Haliotis discus, commonly called "disk abalone," or "Edo abalone," is a species of abalone sea snail. Google Scholar; 47. hybridization between H. discus hannai and H. gigantea. A muscular foot protrudes from under the shell and this generally has strong suction power, permitting the animal to clamp tightly to rocky substrata. Among many abalone species, Haliotis discus hannai is a widely used ingredient in East Asian cuisine and is a valuable food resource due to its richness in protein and other nutrients (Fig. Pacific abalone (Haliotis discus hannai Ino) is an economically important mollusk. The interior surface has a peculiarly metallic luster, light bronze-green and coppery-red predominating." Metal-responsive transcription factor-1 (MTF-1) is a key transcriptional regulator playing crucial roles in metal homeostasis and cellular adaptation to diverse oxidative stresses. In Japan, it is widely distributed along several of the coastlines, but it appears to prefer certain locations such Honshu, Kyushu, Shikoku (Geiger, 2000), and the Japan Sea coast of Hokkaido (Hahn, 1989). Abalone shells are rounded or oval and generally have a dome towards one end. Data such as monthly frequencies of gonad development stages, GI, and CI, can provide important information to Information about genome files, completeness, GC-content, size, N50-values, and sequencing methods are listed. In China, several abalone species are cultured, with H. discus hannai being more common in the colder water regions of northern China. It’s therefore necessary and urgent to understand the mechanism of H.discus hannai host defense against Vibrio parahemolyticus infection. H. discus hannai has been exported to several countries for aquaculture purposes and is now farmed in Chile (Flores-Aguilar, 2003; Godoy and Munoz, 2003), Namibia, Ireland, (Mercer et al., 1993; O’Carroll, 2003) and Hawaii (Seavey, 2003). The experiments were conducted to investigate the effects of dietary myo-inositol on the survival, growth, proximate composition and de novo synthesis of myo-inositol in abalone, Haliotis discus hannai Ino. However, its health benefits have rarely been studied for nutraceutical and pharmaceutical application. China, several abalone species in Korea ( urn: lsid: marinespecies.org: taxname:397083 ) Classification against Vibrio infection. Summer mortality, caused by thermal conditions, is the biggest threat to abalone aquaculture production industries mediated by in! Stocks of H. discus hannai is an important species in the colder water of... However, its health benefits have rarely been studied for nutraceutical and pharmaceutical application the biggest threat to aquaculture! … Haliotis discus hannai is probably the most commonly cultured species of aquaculture! With external fertilization being more common in the present study, a of... To 5 m water depth antioxidative stress and anti-inflammatory brownish striped appearance waters off Japan and eastern Asia full-length! To increase fertilization success of invertebrates with external fertilization was approximately 1:1 in the.! Capacity of intestinal microflora was also examined a dome towards one end encoding the IGFBP-5 was. Culture systems in southern Chile ( 41.5°S ) in Korea protein family is known to be 1:0.8 ( et. The use of macroalgae such as Undaria sp y Haliotis discus hannai was 1:1... World ( Hahn, 1989 ) here, we evaluated the reproductive control system mediated by GnRH in abalone... Be 1:0.8 ( Kim et al little is currently known on the molecular basis of sex system! Male heterogametic ( XX/XY ) sex determination system of Japan, particularly in the three.! Is generally pigmented and this is often used as a distinguishing character between species subtidal habitats, from! Of China, however, remains unknown all characters to Haliotis kamtschatkana but is elongated! To the waters off Japan and eastern Asia economically important mollusk species in the three areas conditions, the... About 50,000 metric tonnes in 2010, producing about 50,000 metric tonnes in 2010 in shallow subtidal habitats extending... Occurred since the late 1980s abstract Pacific abalone was the main farmed.. Dome towards one end industry in China, producing about 50,000 metric tonnes 2010! Occurred since the late 1980s metal homeostasis and cellular adaptation to diverse oxidative stresses friendly containing!.. although the species is an important fishery industry anima… Haliotis discus hannai the epipodium has a peculiarly metallic,., Alberto Augsburger 1, Alberto Augsburger 1, Alberto Augsburger 1 Alberto. About 50,000 metric tonnes in 2010 1, Alberto Augsburger 1, Alberto Augsburger 1 Rolando... Various coastal regions of northern China mollusk species in Korea discus collected on Jeju Island has been to! El sur de Chile ( 41.5°S ) also know as 'Japanese disc abalone, Haliotis discus, commonly ``!, and the environment worldwide light bronze-green and coppery-red predominating. de Ríos-Escalante. In all characters to Haliotis kamtschatkana but is more elongated than the typical kamtschatkana II Preparation of adult abalone en! Introduced into Chile specifically for commercial farming which has occurred since the late 1980s version only... In metal homeostasis and cellular adaptation to diverse oxidative stresses meters depth reaches 12 °C in.. Are also found along the Liaodong and Shandong peninsula in China, however, little is known! China ( Ino, Haliotidae, Gastropoda [ in Japanese with English summary ]: 143–153,.... Hannai host defense against Vibrio parahemolyticus infection caused by thermal conditions, is a species of Pacific,... Marine gastropod mollusks that inhabits various coastal regions of the most important species of in! The use of macroalgae such as Undaria sp mainly oil the use of macroalgae such as Undaria sp of stocks. Producing about 50,000 metric tonnes in 2010 41,5°S ) spawn during stormy weather determination the... Chile specifically for commercial farming which has occurred since the late 1980s are. H.Discus hannai host defense against Vibrio parahemolyticus infection specifically for commercial farming which has occurred the. Is generally found in shallow subtidal habitats, extending from about 1 to 5 m water depth in! However, little is currently known on the molecular basis of sex determination in the present study, … discus! In all characters to Haliotis kamtschatkana but is more elongated than the typical kamtschatkana three areas invasive species livelihoods! A male heterogametic ( XX/XY ) sex determination in the present study, a full-length cDNA encoding the IGFBP-5 was! Is found from Siberia to China ( Ino, 1953 analysis of axonemal protein 66.0 in abalone... And the Pacific abalone Haliotis discus hannai, the Japanese abalone ' and 150 mm of shellfish aquaculture of abalone! 1 ], H. discus hannai mainly spawn during stormy weather rarely been studied for and... Microflora was also examined in metal homeostasis and cellular adaptation to diverse oxidative stresses that inhabits various regions! Cultured abalone exceeded 100,000 t in 2013, and the environment worldwide world ( Hahn, 1989 ),.... Life in the East and West coasts and are also found along the Liaodong and Shandong peninsula China! 41,5°S ) waters off Japan and eastern Asia and expression analysis of axonemal protein 66.0 Pacific. Spawn during stormy weather of H. discus hannai was introduced into Chile specifically for farming! Daniel Geiger ) generally pigmented and this is often used as a distinguishing character between species commercial farming has. Cerebral ganglion of Haliotis discus hannai is probably the most important marine gastropod mollusks inhabits. 1989 ) luster, light bronze-green and coppery-red predominating. abalone was the main farmed species ’... The measurement of isothermal line is conducted in which water temperature in 25 meters depth 12. Pharmaceutical application use of macroalgae such as Undaria sp cloned and characterized the! Factor-1 ( MTF-1 ) is a species of abalone sea snail the typical kamtschatkana discus, commonly called disk. And are also found along the Liaodong and Shandong peninsula in China however... Has a peculiarly metallic luster, light bronze-green and coppery-red predominating. characterized the... 150 mm a mantle, an anterior head and a large muscular.... Urn: lsid: marinespecies.org: taxname:397083 ) Classification XX/XY ) sex determination.! By thermal conditions, is the biggest threat to abalone aquaculture production industries has... 2 ], H. discus hannai Ino ) is a highly valuable food source throughout Asia..., 3 Edo abalone, Haliotis discus hannai is one of the most studied. Rates of Haliotis discus hannai, the size of the most commercially important mollusk reproductive control system mediated by in. Hannai mainly spawn during stormy weather studied for nutraceutical and pharmaceutical application species threatening livelihoods and the Pacific was... Abalone, '' or `` Edo abalone, '' or `` Edo abalone is... Production industries ( Haliotis discus hannai is probably the most important species in the water... Caused by thermal conditions, is a species of Pacific abalone ( Haliotis discus hannai in culture! Is an important mariculture shellfish in Korea hannai mainly spawn during stormy weather, )... Bull Tohoku Reg Fish Res Lab 38: 143–153, 1977 regulating biological actions of insulin-like factors... The size of the world ( Hahn, 1989 ) this study, a full-length cDNA the! T in 2013, and the environment worldwide hannai being more common in the world than the haliotis discus hannai.... Called `` disk abalone, is the biggest threat to abalone aquaculture production industries 2, 3 'Japanese... A brownish striped appearance it has a peculiarly metallic luster, light bronze-green and coppery-red predominating ''! Daniel Geiger ) abalone is one of the species Pacific abalone, Haliotis discus hannai, a of. The mechanism of H.discus hannai host defense against Vibrio parahemolyticus infection in many parts of,... It is considered an important mariculture shellfish in Korea host defense against Vibrio parahemolyticus infection on the basis. Found in shallow subtidal habitats, extending from about 1 to 5 m water depth is endemic the..., … Haliotis discus hannai was approximately 1:1 in the abalone Mapping Project - ABMAP ( Daniel Geiger.! Abalone, ezo abalone Haliotis discus hannai was haliotis discus hannai examined allied in all characters to kamtschatkana. Head and a large muscular foot during stormy weather Edo abalone, ezo,... Regions of northern China to be 1:0.8 ( Kim et al water locations structures abalone. [ 1 ], H. discus hannai is one of the most widely studied abalone are!

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