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Abstract
Lipoproteins mediate the transport of apolar lipids in the hydrophilic environment of physiological fluids such as the vertebrate blood and the arthropod hemolymph. In this overview, we will focus on the hemolymph lipoproteins in Crustacea that have received most attention during the last years: the high density lipoprotein/β-glucan binding proteins (HDL-BGBPs), the vitellogenins (VGs), the clotting proteins (CPs) and the more recently discovered large discoidal lipoproteins (dLPs). VGs are female specific lipoproteins which supply both proteins and lipids as storage material for the oocyte for later use by the developing embryo. Unusual within the invertebrates, the crustacean yolk proteins-formerly designated VGs-are more related to the ApoB type lipoproteins of vertebrates and are now termed apolipocrustaceins. The CPs on the other hand, which are present in both sexes, are related to the (sex specific) VGs of insects and vertebrates. CPs serve in hemostasis and wound closure but also as storage proteins in the oocyte. The HDL-BGBPs are the main lipid transporters, but are also involved in immune defense. Most crustacean lipoproteins belong to the family of the large lipid transfer proteins (LLTPs) such as the intracellular microsomal triglyceride transfer protein, the VGs, CPs and the dLPs. In contrast, the HDL-BGBPs do not belong to the LLTPs and their relationship with other lipoproteins is unknown. However, they originate from a common precursor with the dLPs, whose functions are as yet unknown. The majority of lipoprotein studies have focused on decapod crustaceans, especially shrimps, due to their economic importance. However, we will present evidence that the HDL-BGBPs are restricted to the decapod crustaceans which raises the question as to the main lipid transporting proteins of the other crustacean groups. The diversity of crustaceans lipoproteins thus appears to be more complex than reflected by the present state of knowledge.
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Affiliation(s)
- Ulrich Hoeger
- Institut für Molekulare Physiologie, Johannes Gutenberg-Universität, 55099, Mainz, Germany.
| | - Sven Schenk
- MAX F. PERUTZ LABORATORIES, Vienna Biocenter (VBC), Dr. Bohr-Gasse 9/4, 1030, Vienna, Austria
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Persia Jothy T, Rajesh Kannan R, Subramoniam T. Lipid and carotenoid metabolism in the developing embryos of the intertidal anomuran crab, Emerita asiatica (Milne Edwards). INVERTEBR REPROD DEV 2019. [DOI: 10.1080/07924259.2019.1608325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- T Persia Jothy
- Molecular and Nanomedicine Research Unit, Centre for Nanoscience and Nanotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - R Rajesh Kannan
- Molecular and Nanomedicine Research Unit, Centre for Nanoscience and Nanotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - T Subramoniam
- Center for Climate Change Studies, Sathyabama Institute of Science and Technology, Chennai, Tamilnadu, India
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3
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Yang F, Xu HT, Dai ZM, Yang WJ. Molecular characterization and expression analysis of vitellogenin in the marine crab Portunus trituberculatus. Comp Biochem Physiol B Biochem Mol Biol 2005; 142:456-64. [PMID: 16257250 DOI: 10.1016/j.cbpb.2005.09.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2005] [Revised: 09/21/2005] [Accepted: 09/21/2005] [Indexed: 11/18/2022]
Abstract
As a precursor of the major yolk protein vitellin (Vn), vitellogenin (Vg) has been studied in crustacean for decades, mainly in shrimp. However, little is known about the Vg molecule in crabs. In the present study, we report a cDNA encoding Vg in the marine crab Portunus trituberculatus, an important commercial species in aquaculture. The cDNA sequence is 7,846 bp in length, containing a 7,680 bp open reading frame, that encodes 2,560 amino acid residues. The deduced amino acid sequence showed 32-75% identity with other known crustacean Vgs. Seven potential cleavage sites (RXXR) were identified in the deduced Vg precursor. SDS-PAGE and Western blotting analysis demonstrated that Vns in the ovary of the mature crab consisted of three major polypeptides (102, 100 and 85 kDa). Northern blotting analysis revealed that Vg was mainly expressed in hepatopancreas in vitellogensis females. A Vg transcript was also identified in the ovary of the crab by reverse transcription-polymerase chain reaction analysis.
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Affiliation(s)
- Fan Yang
- College of Life Sciences, Zhejiang University, 232 Wensan Road, Hangzhou, Zhejiang, 310012 PR China
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Subramoniam T, Gunamalai V. Breeding biology of the intertidal sand crab, Emerita (Decapoda: Anomura). ADVANCES IN MARINE BIOLOGY 2003; 46:91-182. [PMID: 14601412 DOI: 10.1016/s0065-2881(03)46003-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Emerita is a burrowing mole crab or sand crab, adapted to life in wave-washed sandy beaches of temperate and tropical seas. The reproductive biology of this anomuran crab presents several peculiarities, all contributing to its adaptation to this harsh environmental niche. We discuss the following aspects: 1) sex ratio and size at sexual maturity, 2) neoteny and protandric hermaphroditism, 3) mating behaviour and sperm transfer strategy, 4) synchronisation of moulting and reproduction, 5) environmental impact on reproductive cycle and egg production, 6) biochemistry of yolk utilisation and energetics, 7) larval development, dispersal and settlement and 8) the value of Emerita as indicator species. These aspects are discussed in the light of the life history pattern, comprising a sedentary adult and pelagic larval phases. The successful colonisation of the physically challenging habitat of the sandy beach by Emerita is attributable largely to reproductive strategy and the larval developmental and recruitment pattern. Sensitivity to changing environmental conditions, including pollution, make this intertidal crab an indicator species for monitoring anthropogenic impact.
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Affiliation(s)
- T Subramoniam
- Unit of Invertebrate Reproduction and Aquaculture, Department of Zoology, University of Madras, Guindy Campus, Chennai-600 025, India.
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TSENG DENGYU, CHEN YINGNAN, LIU KUANFU, KOU GUANGHSIUNG, LO CHUFANG, KUO CHINGMING. Hepatopancreas and ovary are sites of vitellogenin synthesis as determined from partial cDNA encoding of vitellogenin in the marine shrimp,Penaeus vannamei. INVERTEBR REPROD DEV 2002. [DOI: 10.1080/07924259.2002.9652770] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Volz DC, Kawaguchi T, Chandler GT. Purification and characterization of the common yolk protein, vitellin, from the estuarine amphipod Leptocheirus plumulosus. Prep Biochem Biotechnol 2002; 32:103-16. [PMID: 12071641 DOI: 10.1081/pb-120004123] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Vitellin is a major yolk protein that plays a significant role in the embryonic development of crustacean embryos. This protein was rapidly purified from embryos of the estuarine amphipod, Leptocheirus plumulosus, by subjecting the crude protein homogenate to high affinity column chromatography. SDS-PAGE revealed a single band with an approximate molecular weight of 200,000 daltons. Vitellin was characterized by SDS-PAGE techniques and amino acid composition analysis. L. plumulosus vitellin is a lipoglycophosphoprotein with serine, glutamic acid/glutamine, alanine, and aspartic acid/asparagine accounting for almost 66% of all amino acid residues. Polyclonal antibodies were raised against L. plumulosus vitellin and antibody reactivity was verified by dot-blotting and immuno-fluorescence confocal microscopy. These antibodies are specific for purified vitellin and show little cross-reactivity with other embryonic proteins.
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Affiliation(s)
- David C Volz
- Department of Environmental Health Sciences, Norman J. Arnold School of Public Health, University of South Carolina, Columbia 29208, USA
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7
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Okuno A, Yang WJ, Jayasankar V, Saido-Sakanaka H, Huong DTT, Jasmani S, Atmomarsono M, Subramoniam T, Tsutsui N, Ohira T, Kawazoe I, Aida K, Wilder MN. Deduced primary structure of vitellogenin in the giant freshwater prawn, Macrobrachium rosenbergii, and yolk processing during ovarian maturation. THE JOURNAL OF EXPERIMENTAL ZOOLOGY 2002; 292:417-29. [PMID: 11857476 DOI: 10.1002/jez.10083] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
A cDNA encoding vitellogenin (Vg) in the giant freshwater prawn, Macrobrachium rosenbergii, was cloned based on the cDNA sequence of vitellin (Vn) fragments A-N and B-42 determined previously, and its amino acid sequence deduced. The open reading frame (ORF) encoded 2,537 amino acid residues and its deduced amino acid sequence possessed three consensus cleavage sites, R-X-R-R, similar to those reported in Vgs of insects. The deduced primary structure of Vg in M. rosenbergii was seen to be similar to that of Penaeus japonicus, especially in the N-terminal region. It is therefore likely that Vgs in crustacean species including prawns and other related decapods exhibit a similar structural pattern. Based on the deduced primary structure of Vg and analysis of the various Vg and Vn subunits found in the hemolymph and ovary during ovarian maturation, we demonstrated the post-translational processing of Vg in M. rosenbergii. This is the first time that Vg processing has been clearly demonstrated in a crustacean species. Vg, after being synthesized in the hepatopancreas, is considered to be cleaved by a subtilisin-like endoprotease to form two subunits, A and proB, which are then released into the hemolymph. In the hemolymph, proB is possibly cleaved by a processing enzyme of unknown identity to give rise to subunits B and C/D. The three processed subunits A, B, and C/D are sequestered by the ovary to give rise to three yolk proteins, Macr-VnA, VnB, and VnC/D.
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Affiliation(s)
- Atsuro Okuno
- Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki 305-8686, Japan
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Tsukimura B, Waddy SL, Vogel JM, Linder CJ, Bauer DK, Borst DW. Characterization and quantification of yolk proteins in the lobster,Homarus americanus. ACTA ACUST UNITED AC 2002. [DOI: 10.1002/jez.10047] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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9
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Warrier SR, Tirumalai R, Subramoniam T. Occurrence of vertebrate steroids, estradiol 17beta and progesterone in the reproducing females of the mud crab Scylla serrata. Comp Biochem Physiol A Mol Integr Physiol 2001; 130:283-94. [PMID: 11544073 DOI: 10.1016/s1095-6433(01)00385-3] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In crustaceans, vitellogenesis is known to be controlled by eyestalk neuropeptides, biogenic amines, ecdysteroids and a juvenile hormone-like compound, methyl farnesoate. In recent years, the occurrence of vertebrate steroid hormones, estradiol 17beta (E2) and progesterone (PG) has also been reported in a few decapods, although their precise role in female reproduction is yet to be determined. The levels of E2 and PG in the ovary, hepatopancreas and the hemolymph of the red mud crab, Scylla serrata were analyzed in different vitellogenic stages in order to establish a correlation between hormone profile and stages of vitellogenesis. It was observed that the levels of both the steroids increased steeply in the tissues at the onset of vitellogenesis (vitellogenic stage I). Maximum levels of estradiol were present in the hepatopancreas whereas the highest concentration of progesterone was seen in the ovary, suggesting dichotomous roles for these hormones in vitellogenesis. Furthermore, levels of these hormones were estimated in different embryonic stages of the eggs of the sand crab Emerita asiatica and mud crab S. serrata. Their levels fluctuated, following a definite pattern in the different stages, suggesting a possible functional role as morphogenetic hormones. This study, in addition, also reports the presence of E2 and PG on lipovitellin purified from ovary and eggs as well as vitellogenin purified from the hemolymph implicating a role for these lipoproteins as steroid carriers.
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Affiliation(s)
- S R Warrier
- Department of Zoology, Unit of Invertebrate Reproduction, University of Madras, Guindy Campus, Guindy, Madras-600 025, India
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Tseng DY, Chen YN, Kou GH, Lo CF, Kuo CM. Hepatopancreas is the extraovarian site of vitellogenin synthesis in black tiger shrimp, Penaeus monodon. Comp Biochem Physiol A Mol Integr Physiol 2001; 129:909-17. [PMID: 11440876 DOI: 10.1016/s1095-6433(01)00355-5] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The site of yolk protein synthesis in crustaceans has long been a subject of controversy. The vitellogenin gene structure was partially reported only very recently in Macrobrachium rosenbergii, after which the hepatopancreas was confirmed as the extraovarian site of vitellogenin synthesis in that species. Ovaries are the most frequently reported as the site of yolk protein synthesis in penaeid shrimp. Using cDNA reversed-transcribed from mRNA isolated from the hepatopancreas of vitellogenic female shrimp, Penaeus monodon, we found that its deduced amino acid sequence had high identity of 48% with that from M. rosenbergii vitellogenin. A similar location of the intron in the sequenced region of genomic DNA was also found between these two species. We therefore concluded that the hepatopancreas the extraovarian site of vitellogenin synthesis in P. monodon in vivo. The partial structure of vitellogenin gene is presented in this study.
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Affiliation(s)
- D Y Tseng
- Department of Zoology, National Taiwan University, Taipei, Taiwan 106, ROC
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13
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Abstract
Lipovitellin II (Lv II), the major yolk protein of the anomuran crab Emerita asiatica, was purified using heparin-sepharose affinity column chromatography. The purified Lv II was a glycoprotein as it was stainable with periodic acid-Schiff's reagent. Quantitative analysis of sugars showed the presence of fucose, mannose, galactosamine, N-linked oligosaccharides, as well as O-linked oligosaccharides containing N-acetyl hexosamine as the terminal residue. The amount of N-linked oligosaccharides is higher than that of the O-linked oligosaccharides. Biogel P-4 column chromatographic separation of the radiolabeled oligosaccharides of Lv II showed the presence of five different O-linked oligosaccharides and four different N-linked oligosaccharide species. HPTLC separation of the neoglycolipids prepared from the O-linked oligosaccharides also showed the presence of five different O-linked oligosaccharide species. N-linked oligosaccharides contain significant quantities of mannose. Unisil column chromatographic purification in conjunction with HPTLC separation revealed three neutral glycolipid species such as monoglycosylceramide, diglycosylceramide, and triglycosylceramide in the Lv II. The functional significance of these carbohydrate components of the major yolk protein during embryogenesis of the sand crab is discussed.
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Affiliation(s)
- R Tirumalai
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India.
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Yang WJ, Ohira T, Tsutsui N, Subramoniam T, Huong DT, Aida K, Wilder MN. Determination of amino acid sequence and site of mRNA expression of four vitellins in the giant freshwater prawn, Macrobrachium rosenbergii. THE JOURNAL OF EXPERIMENTAL ZOOLOGY 2000; 287:413-22. [PMID: 11074453 DOI: 10.1002/1097-010x(20001101)287:6<413::aid-jez2>3.0.co;2-v] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Four major yolk proteins, designated as vitellins (Vns) Macr-VnA, B, C, and D, were extracted from mature ovaries of Macrobrachium rosenbergii. These were purified to homogeneity by reversed-phase high performance liquid chromatography (HPLC) employing a unique separation system based on the hydrophobic properties of the Vn molecule. Using standard techniques of protein sequencing, more than 33 N-terminal and 57 internal amino acid residues were determined for each of the four Vns. The cDNA fragments encoding the four Vns were amplified by PCR using degenerate oligonucleotide primers derived from the N-terminal and internal amino acid sequences. These cDNA fragments were cloned, sequenced, and used as probes to examine the transcription of mRNAs encoding the four Vns. Significant accumulations of these mRNAs were observed in female hepatopancreas only, while mRNA expression was not detected in male hepatopancreas or any other female tissue including ovary, subepidermal adipose tissue, gill, and muscle. This is the first occasion in Crustacea in which multiple Vns were demonstrated to be synthesized simultaneously in a single tissue.
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Affiliation(s)
- W J Yang
- Japan International Research Center for Agricultural Sciences, Ministry of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki Prefecture 305-8686, Japan
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Chen YN, Tseng DY, Ho PY, Kuo CM. Site of vitellogenin synthesis determined from a cDNA encoding a vitellogenin fragment in the freshwater giant prawn, Macrobrachium rosenbergii. Mol Reprod Dev 1999; 54:215-22. [PMID: 10497343 DOI: 10.1002/(sici)1098-2795(199911)54:3<215::aid-mrd2>3.0.co;2-e] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Vitellogenesis is an important part of reproductive process in crustaceans, and the process is characterized by the synthesis and accumulation of yolk protein in the developing oocytes. The yolk proteins in crustaceans mainly consist of vitellogenin (Vg) and vitellin (Vn), which are respectively present in extra-oocyte tissues and intra-oocytes. The site and the process of yolk protein synthesis in crustaceans are still controversial. The synthesis site of Vg in a crustacean species, Macrobrachium rosenbergii, is determined by immunological and immunohistochemical techniques, and molecular cloning of a cDNA encoding the primary structure of Vn in this study. The hepatopancrease is clearly shown to be the synthesis site of Vg in this species. The length of Vg mRNA was estimated as about 6 kb from Northern blotting analysis. The partial primary structure of Vg gene is presented, and the post-translational processing are further discussed. For the first time, the partial primary structure of Vg gene and the synthesis site of Vg approached by molecular cloning in crustaceans are presented.
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Affiliation(s)
- Y N Chen
- Institute of Fisheries Science, National Taiwan University, Taipei, Taiwan, Republic of China
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Riley LG, Tsukimura B. Yolk protein synthesis in the riceland tadpole shrimp,Triops longicaudatus, measured by in vitro incorporation of3H-leucine. ACTA ACUST UNITED AC 1998. [DOI: 10.1002/(sici)1097-010x(19980615)281:3<238::aid-jez10>3.0.co;2-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Shimizu K, Saikawa W, Fusetani N. Identification and partial characterization of vitellin from the barnacle Balanus amphitrite. Comp Biochem Physiol B Biochem Mol Biol 1996; 115:111-9. [PMID: 8896336 DOI: 10.1016/0305-0491(96)00092-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The major protein in occytes of the barnacle Balanus amphitrite has been identified as vitellin (Vt) and its biochemical properties partially characterized. SDS-PAGE of protein extracts from different developmental stages of occytes and embryos of B. amphitrite revealed that a 170 kDa polypeptide was abundantly present in fully matured oocytes. Its amount increased with occyte maturation and decreased with embryonic development after fertilization. Antiserum, prepared against 170 kDa polypeptide, was found to recognize only 170 kDa among proteins in ovary extract (OE) by immunoblot analysis. Immunohistochemical study indicated localization of 170 kDa polypeptide in yolk granules of oocytes, oviducts and embryos. Combination of native electrophoresis with agarose gel and SDS-PAGE displayed that the main protein in OE was lipophilic, contained 85 kDa polypeptide in addition of 170 kDa, and was positive in PAS reaction. The main peak eluted from OE contained 170 kDa and 85 kDa polypeptides, and corresponded to 200 kDa when filtrated through superose 6 gel. Conclusively, vitellin of B. amphitrite is a lipophilic glycoprotein consisting of two subunits, a heavy chain with 170 kDa and a light chain with 85 kDa. Two other barnacles, Megabalanus rosa and Tetraclita squamosa japonica, also contained proteins similar to B. amphitrite Vt.
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Affiliation(s)
- K Shimizu
- Fusetani Biofouling Project, ERATO, Yokohama, Japan.
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CHANG CHINGFONG, JENG SHANRU, LIN MINNAN, TIN YUNYUEN. Purification and characterization of vitellin from the mature ovaries of prawn,Penaeus chinensis. INVERTEBR REPROD DEV 1996. [DOI: 10.1080/07924259.1996.9672500] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Devaraj H, Senthil Kumar D, Thanislass J, Niranjali S. Isolation and characterization of high molecular weight glycoproteins from embryonated eggs of Emerita asiatica. Comp Biochem Physiol B Biochem Mol Biol 1995. [DOI: 10.1016/0305-0491(94)00114-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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