| bacteria in bivalve shellfish with special reference to the oyster. | the bacterial flora of the pacific oyster crassostrea gigas, the sea mussel perna viridis and the arkshell clam scapharca cornea differed considerably from that of seawater in both numbers and generic composition. the numbers of heterotrophic bacteria in the bivalve shellfish, including the anaerobes and spore-forming bacteria, were greater than that in the surrounding water. pseudomonas spp. were the dominant organisms, comprising over one third of the 321 strains characterized after isolation ... | 1985 | 4030530 |
| monitoring heavy metals in the gulf of thailand using mussel watch approach. | concentration of zinc, manganese, copper, chromium, nickel and cadmium were determined in the whole soft parts of the mussel, perna viridis, collected along the coast of the gulf of thailand. mussels were sampled from 10 locations, during 1989-1990, following an earlier study in 1986. the trends of accumulations of investigated metals in the mussel were not higher than the previous study, except for the concentration of manganese and nickel. the levels of manganese and nickel in the mussel in 19 ... | 1993 | 8272837 |
| rock-shells (thais clavigera) as an indicator of as, cu, and zn contamination on the putai coast of the black-foot disease area in taiwan. | this study presents the distribution of arsenic (as), copper (cu), and zinc (zn) in various seafoods-oysters (crassostrea gigas), false fusus (hemifuscus tuba), venus clams (cyclina sineasis), green mussels (perna viridis), blood clams (arca granosa), flounders (psettodes erumei), and rock-shells (thais clavigera) collected from the putai coast of the black-foot disease (bfd) area in taiwan. special attention is paid to evaluate the relationships among as, cu, and zn and effect of body size on m ... | 1997 | 9175516 |
| an overview of trace metal pollution in the coastal waters of hong kong. | the state of metal pollution in hong kong's coastal waters has been assessed by measuring metal levels in: (i) the water column; (ii) sediments and (iii) in organisms, i.e. biomonitors. current literature is reviewed. data from sediment analysis have shown that metal pollution is most severe in the urban areas of victoria harbour, tolo harbour, deep bay and northwestern waters. bottom sediments in typhoon shelters are particularly heavily polluted with, for example, cu levels from kowloon bay re ... | 1998 | 9646516 |
| heavy metals in green mussels (perna viridis) from the gulf of thailand. | concentrations of seven heavy metals were determined in green mussels (perna viridis) collected between april and june 1995 from eight locations along the costal area of the gulf of thailand. the average concentrations (n = 96) of the heavy metals detected in mussel samples, on the basis of dry weight, were 1.20 mg kg-1 cadmium, 0.78 mg kg-1 for chromium, 9.85 mg kg-1 for copper, 1.09 mg kg-1 for lead 2.78 mg kg-1 for manganese, 1.54 mg kg-1 for nickel, and 94,48 mg kg-1 for zinc. the levels of ... | 1998 | 9708259 |
| heavy metal concentrations in marine fishes collected from fish culture sites in hong kong. | the levels of six heavy metals (cd, cr, cu, ni, pb, and zn) in different tissues of three species of cultured marine fishes (epinephelus areolatus, lutjanus russelli, and sparus sarba) collected from three fish culture sites in hong kong were evaluated. metal pollution problems in the fish culture sites were serious, as reflected by the high metal concentrations recorded in sea water, sediments, and the biomonitor perna viridis. in general, tissues of all three species contained high concentrati ... | 2001 | 11116341 |
| evidence for psp in mussels in trinidad. | herein we present the first evidence for the presence of paralytic shellfish poison (psp) in trinidadian waters. the toxin was found in a meat extract of the mussel, perna viridis. psp has not previously been demonstrated in the shellfish of caribbean islands. the presence of psp in trinidad is therefore significant in that it presents an opportunity to better understand the dynamics of psp and algal blooms in both a region and island environment not normally associated with psp.p. viridis is no ... | 2001 | 11137550 |
| tropomyosin is the major mollusk allergen: reverse transcriptase polymerase chain reaction, expression and ige reactivity. | the complementary dnas encoding tropomyosins of the abalone haliotis diversicolor, the scallop chlamys nobilis, and the mussel perna viridis were amplified by reverse transcriptase polymerase chain reaction and thereafter cloned in plasmid vectors for expression. immunoblot analysis showed that recombinant proteins of abalone, scallop, and mussel tropomyosin were reactive to serum ige antibodies from subjects allergic to shellfish but not to nonallergic controls. nucleotide and amino acid sequen ... | 2000 | 11246417 |
| heavy metal concentrations in edible bivalves and gastropods available in major markets of the pearl river delta. | molluscs are able to accumulate heavy metals and impose health hazard to consumers. the main objective of the present study is to investigate the heavy metal concentrations in edible bivalves and gastropods available in major markets of the pearl river delta. fourteen species of edible molluscs were purchased from six markets in hong kong and guangdong province. the fresh of these biota were tested for their cadmium (cd), copper (cu), zinc (zn), lead (pb), nickel (ni), chromium (cr), antimony (s ... | 2001 | 11590745 |
| a comparison of mussels (perna viridis) and semi-permeable membrane devices (spmds) for monitoring chlorinated trace organic contaminants in hong kong coastal waters. | a comparison of mussels (perna viridis) and semi-permeable membrane devices (spmds) was carried out at five sites, representing a gradient of contaminant concentrations, in hong kong coastal waters. mussels, originally collected from a "clean" location, were deployed along with spmds at each site for 30 days. analyses for chlorinated pesticides and polychlorinated biphenyls (pcbs) indicated that spmds have potential as monitoring tools, and to some extent can overcome the problems associated wit ... | 2001 | 11695633 |
| effects of toxic dinoflagellate alexandrium tamarense on the energy budgets and growth of two marine bivalves. | harmful algal blooms (hab) may impose a serious threat to aquatic lives and human health. we determined the effects of a toxic dinoflagellate alexandrium tamarense (clone atcio1, isolated from hong kong coastal waters) on the energy budget, quantified as scope for growth (sfg), and the growth rate of the manila clam ruditapes philippinarum and the green-lipped mussel perna viridis. to quantify the sfg, clams and mussels were dosed with different amounts of toxic a. tamarense for 6 days, resultin ... | 2002 | 11829010 |
| heavy metals in green mussel (perna viridis) and oysters (crassostrea sp.) from trinidad and venezuela. | heavy metal concentrations were monitored in edible soft tissues of shellfish from trinidad and venezuela. oysters (crassostrea sp.) and the green mussel (perna viridis), which is a recently transplanted species to the caribbean from the far east, were collected at six locations in venezuela and five in trinidad, the latter along the coast line of the gulf of paria. simple and low-cost methods of analysis were optimized and validated using standard reference materials. cadmium, copper, lead, nic ... | 2002 | 11994781 |
| correlations between speciation of cd, cu, pb and zn in sediment and their concentrations in total soft tissue of green-lipped mussel perna viridis from the west coast of peninsular malaysia. | total concentrations and speciation of cadmium (cd), copper (cu), lead (pb) and zinc (zn) in surface sediment samples were correlated with the respective metal measured in the total soft tissue of the green-lipped mussel perna viridis, collected from water off the west coast of peninsular malaysia. the aim of this study is to relate the possible differences in the accumulation patterns of the heavy metals in p. viridis to those in the surface sediment. the sequential extraction technique was emp ... | 2002 | 12046948 |
| monitoring of organochlorine pesticides residues in green mussels (perna viridis) from the coastal area of thailand. | the utilization of organochlorine pesticides for pest control chemical has been of great interest on residue contamination from biological organisms in the environment. green mussel (perna viridis) samples were monitored as bioindicators for assessment of the water quality in coastal waters along the gulf of thailand. thirty-six samples were collected from 12 stations during 1997-1999 and analysed for 26 organochlorine pesticide compounds. this paper focuses on the contamination of organochlorin ... | 2002 | 12152831 |
| toxic contaminants and their biological effects in coastal waters of xiamen, china. i. organic pollutants in mussel and fish tissues. | organochlorines and organophosphates were measured in four fish species (lateolabrax japonicus, pagrasomus major, miichthys miiuy and epinephalus awoara) and the mussel perna viridis collected from aquaculture cages in coastal waters of xiamen, china. polycyclic aromatic hydrocarbon (pah) metabolites were also measured in fish bile. sites in xiamen coastal waters (the harbour, maluan and tongan) are compared with a "cleaner" reference site at dongshan island. ddt was found in livers of all fish ... | 2002 | 12269478 |
| asia-pacific mussel watch: monitoring of butyltin contamination in coastal waters of asian developing countries. | butyltin compounds (bts) including mono-, di-, and tributyltin and total tin (sigmasn), were determined in green mussels (perna viridis) from various asian developing countries, such as cambodia, china (hong kong and southern china), malaysia, india, indonesia, the philippines, and vietnam, to elucidate the contamination status, distribution, and possible sources and to assess the risks on aquatic organisms and humans. butyltin compounds were detected in green mussels collected from all the samp ... | 2002 | 12371488 |
| relationships between tissue concentrations of chlorinated hydrocarbons (polychlorinated biphenyls and chlorinated pesticides) and antioxidative responses of marine mussels, perna viridis. | marine mussels, perna viridis, were transplanted from a reference site to various polluted sites around hong kong. after 30 d of exposure, antioxidative responses in the gills and hepatopancreas and tissue concentrations of chlorinated hydrocarbons [polychlorinated biphenyls (pcbs) and chlorinated pesticides (cps)] were determined for individual mussels. glutathione s transferase (gst) and glutathione (gsh) were positively correlated with tissue pcb concentrations. only one of the enzymatic anti ... | 2002 | 12398384 |
| occurrence of shell deformities in green-lipped mussel perna viridis (linnaeus) collected from malaysian coastal waters. | | 2002 | 12428166 |
| comparison of metal accumulation in mussels at different local and global scales. | cadmium and zinc uptake from the dissolved phase, assimilation efficiency (ae) from the dietary phase, and body burden as well as clearance rate were measured in green mussels, perna viridis, and blue mussels mytilus edulis, m. galloprovincialis and mytilus trossulus. perna viridis was collected from four sites differentially enriched with trace metals in hong kong and blue mussels were collected from different climatic zones, i.e., subarctic and temperate, to allow comparisons with the more tro ... | 2003 | 12558172 |
| paralytic shellfish toxins in green-lipped mussels, perna viridis, in hong kong. | | 2003 | 12586122 |
| heavy metals in oysters, mussels and clams collected from coastal sites along the pearl river delta, south china. | concentrations of 8 heavy metals: cadmium (cd), copper (cu), zinc (zn), lead (pb), nickel (ni), chromium (cr), antimony (sb) and tin (sn) were examined in 3 species of bivalves ( perna viridis, crassostrea rivularis and ruditapes philippinarum) collected from 25 sites along the pearl river delta coastal waters in the south china sea from july to august 1996. in general, cd, cu, zn and sn concentrations in the three bivalve species collected from the estuarine zone were significantly higher than ... | 2003 | 12602597 |
| can the byssus of green-lipped mussel perna viridis (linnaeus) from the west coast of peninsular malaysia be a biomonitoring organ for cd, pb and zn? field and laboratory studies. | concentrations of cadmium (cd), lead (pb) and zinc (zn) in total soft tissues (st) and byssus (bys) of the green-lipped mussel perna viridis from 11 different geographical locations off the west coast of peninsular malaysia were determined. the metal concentrations distributed between the bys and st were compared. the results of this study indicated that higher levels of cd (1.31 microg/g), pb (38.49 microg/g) and zn (206.52 microg/g) were accumulated in the bys than in the total st (cd: 0.29 mi ... | 2003 | 12705949 |
| lysosomal membrane stability, phagocytosis and tolerance to emersion in the mussel perna viridis (bivalvia: mytilidae) following exposure to acute, sublethal, copper. | the mytilid mussel perna viridis is distributed throughout the indo-pacific region and is potentially a suitable candidate for biological effects (biomarker) monitoring in the subtropics. a suite of cytological and physiological responses to acute (48-72 h) copper exposures of 50-200 microgl(-1) were assessed in order to determine the suitability of p. viridis for marine pollution monitoring. copper elicited significant destabilisation of the haemocyte lysosomal membranes and also impaired phago ... | 2003 | 12820995 |
| mercury levels in the green-lipped mussel perna viridis (linnaeus) from the west coast of peninsular malaysia. | | 2003 | 14567584 |
| mussel-based monitoring of trace metal and organic contaminants along the east coast of china using perna viridis and mytilus edulis. | green lipped mussels, perna viridis, and blue mussels, mytilus edulis, were collected from seven locations along the east coast of china in september and october 2001. the mussel tissues were analyzed for metals (ag, as, cd, cr, ni, pb, se, zn, cu, fe and hg), and trace organic contaminants including organochlorine compounds (ocs), polycyclic aromatic hydrocarbons (pahs; based on 24 individual pahs), polychlorinated biphenyls (pcbs) and petroleum hydrocarbons (phcs). maximum concentrations of ag ... | 2004 | 14568720 |
| effect of size, tissue parts and location on six biochemical markers in the green-lipped mussel, perna viridis. | the effect of size and tissue parts as well as site locations on a suite of six anti-oxidative biochemical markers, viz. the enzyme degrading neural transmitters acetylcholinesterase (ache), the phase ii transforming enzyme glutathione-s-transferase (gst), the anti-oxidative enzymes superoxide dismutase (sod) and catalase (cat), the lipid metabolite malondialdehyde (mda) and the ratio of cat/mda, in the bivalve mollusc, perna viridis, was studied. field mussels were collected from the piers of u ... | 2003 | 14643783 |
| allozyme polymorphisms and heavy metal levels in the green-lipped mussel perna viridis (linnaeus) collected from contaminated and uncontaminated sites in malaysia. | it has been widely reported that heavy metal contamination in coastal waters can modify the allozyme profiles of marine organisms. previous studies have recorded elevated metal concentrations in sediments and mussel tissues off peninsular malaysia. in the present study, horizontal starch gel electrophoresis was carried out to estimate the levels of allelic variation of the green-lipped mussel, perna viridis, collected from one contaminated and three relatively uncontaminated sites off peninsular ... | 2004 | 14664863 |
| antioxidant responses to benzo[a]pyrene and aroclor 1254 exposure in the green-lipped mussel, perna viridis. | in this study, the green-lipped mussel, perna viridis (l.), was exposed to two concentrations of benzo[a]pyrene (b[a]p) (0.3 microg l(-1); 3 microg l(-1)) and two concentrations of aroclor 1254 (0.5 microg l(-1); 5 microg l(-1)). in addition, a mixture of the contaminants was used (0.3 microg l(-1) b[a]p+0.5 microg l(-1) aroclor 1254; 3 microg l(-1) b[a]p+5 microg l(-1) aroclor 1254). all concentrations were nominal. a suite of enzymes [glutathione s transferase (gst), superoxide dismutase (sod) ... | 2004 | 14720481 |
| investigation of nematopsis spp. oocysts in 7 species of bivalves from chonburi province, gulf of thailand. | this is the first detailed report of nematopsis spp. in thai bivalves. a monthly survey was conducted on 7 species of commercial bivalves from chonburi province, on the eastern seaboard of thailand, from november 2000 to november 2001 to investigate the prevalence of the apicomplexan parasite nematopsis schneider, 1892. nematopsis spp. sporozoites were found in the cultivated bivalves arcuatula arcuatula, anadara granosa and perna viridis as well as the locally harvested paphia undulata. they we ... | 2004 | 15038451 |
| background concentrations of cd, cu, pb and zn in the green-lipped mussel perna viridis (linnaeus) from peninsular malaysia. | | 2003 | 12907200 |
| organochlorines in sediments and mussels collected from coastal sites along the pearl river delta, south china. | the level and pattern of residues of organochlorine pesticide and polychlorinated biphenyls(pcbs) were analyzed in sediment and mussel (perna viridis) samples from ten coastal sites along the pearl river delta, south china. the range of total hch was < 0.01 to 0.29 ng/g freeze-dried weight in sediment, and < 0.01 to 1.35 ng/g lipid weight in mussels. average total ddts concentrations ranged from < 0.01 to 1.04 ng/g in sediment, and < 0.01 to 148.5 ng/g in mussels. average total pcb concentration ... | 2004 | 15137663 |
| application of the comet and micronucleus assays to the detection of b[a]p genotoxicity in haemocytes of the green-lipped mussel (perna viridis). | green-lipped mussels (perna viridis) were exposed to water-borne benzo[a]pyrene (b[a]p) at nominal concentrations of 0, 0.3, 3 and 30 microg l(-1) for up to 12 days, and both the relative levels of dna strand breaks (assessed using an alkaline comet assay) and the proportion of micronucleus (mn) formation were monitored in mussel haemocytes at days 0, 1, 3, 6 and 12. the results of the comet assay indicated that an increase in the proportion of strand breaks occurred generally with increasing b[ ... | 2004 | 15168946 |
| micronucleus induction in gill cells of green-lipped mussels (perna viridis) exposed to mixtures of polycyclic aromatic hydrocarbons and chlorinated pesticides. | different groups of green-lipped mussels (perna viridis) were exposed to the same net amount of a genotoxicant mixture of four polycyclic aromatic hydrocarbons ([pahs]; anthracene, fluoranthene, pyrene, and benzo[a]pyrene) and four organochlorine pesticides ([ocs]; alpha-hexachlorocyclohexane (hch), aldrin, dieldrin, and p,p'-ddt) for four weeks under different regimes that simulated various scenarios of fluctuating toxicant levels in the marine environment. micronucleus (mn) formation in gill c ... | 2004 | 15180386 |
| contamination of butyltin compounds in malaysian marine environments. | concentration of butyltin compounds (bts), including tributyltin (tbt), dibutyltin (dbt) and monobutyltin (mbt) and total tin (sigmasn) were determined in green mussel (perna viridis), 10 species of muscle fish and sediment from coastal waters of malaysia. bts were detected in all these samples ranging from 3.6 to 900 ng/g wet wt., 3.6 to 210 ng/g wet wt., and 18 to 1400 ng/g dry wt. for mussels, fish and sediments, respectively. the concentrations of bts in several locations of this study were ... | 2004 | 15182968 |
| paralytic shellfish poisoning toxins in green mussels (perna viridis) from the gulf of paria, trinidad. | paralytic shellfish poisoning (psp) toxins were determined in green mussels (perna viridis) collected from one collection site in the gulf of paria in trinidad in 1999 and 2000. aqueous extracts of psp were purified by passage through c-18 spe cartridges, oxidized with peroxide and periodate, respectively, then analyzed by hplc with fluorescence detection. this procedure provided rapid and highly sensitive screening of samples for psp toxins. further purification of psp-containing extracts using ... | 2004 | 15500850 |
| accumulation of metals in the soft tissues, byssus and shell of the mytilid mussel perna viridis (bivalvia: mytilidae) from polluted and uncontaminated locations in hong kong coastal waters. | | 2003 | 12907199 |
| relationships between tissue concentrations of polycyclic aromatic hydrocarbons and antioxidative responses of marine mussels, perna viridis. | local mussels, perna viridis, were transplanted from a relatively clean site to various polluted sites in hong kong. after a 30-day field exposure, different antioxidant parameters including glutathione s transferase (gst), superoxide dismutase (sod), catalase (cat), glutathione peroxidase (gpx), glutathione reductase (gr), nadph dt-diaphorase (dt-d), glutathione (gsh) and lipid peroxidation were quantified, and tissue concentrations of benzo[a]pyrene (b[a]p) as well as a total of five polycycli ... | 2001 | 11239681 |
| biomonitoring of heavy metals and trace organics using the intertidal mussel perna viridis in hong kong coastal waters. | this paper presents the results of a 6-year (1998-2003) survey of trace toxics in the intertidal mussel perna viridis conducted by the hong kong environmental protection department. concentrations of heavy metals and trace organics were measured in the soft bodies of p. viridis collected from five sites in hong kong waters, i.e. wu kai sha (tolo harbour), ma wan (northwest), tsim sha tsui (victoria harbour), tai tam (hong kong south) and lamma island (southern waters) in order to establish the s ... | 2005 | 15907944 |
| polybrominated diphenyl ethers (pbdes) in sediments and mussel tissues from hong kong marine waters. | sediments and green-lipped mussels, perna viridis, were used to investigate concentrations of polybrominated diphenyl ethers (pbdes) in hong kong's marine environment. pbdes have been used extensively over the past two decades as flame retardants in polymer additives for a variety of plastics, computers, furniture, building materials, and fabrics. many measurements of pbdes in various environmental matrices have been reported from belgium, holland, japan, europe and north america, but few measur ... | 2005 | 15950246 |
| organochlorines and dioxin-like compounds in green-lipped mussels perna viridis from hong kong mariculture zones. | concentrations of persistent organic pollutants including polychlorinated biphenyls (pcbs), organochlorine (oc) pesticides and dioxin-like compounds were measured in green-lipped mussels, perna viridis, collected from seven mariculture zones in hong kong between september and october in 2002 in order to evaluate the status, spatial distribution and potential sources of pollution in these areas. concentrations ranged from 300 to 4400 ng/g lipid weight for total ocs and 170-1000 ng/g lipid weight ... | 2005 | 16023147 |
| okadaic acid, a causative toxin of diarrhetic shellfish poisoning, in green-lipped mussels perna viridis from hong kong fish culture zones: method development and monitoring. | green-lipped mussels (perna viridis) were collected from seven fish culture zones (fczs) in hong kong and analyzed for okadaic acid (oa). a conventional hplc method was modified by incorporating a proteinase k digestion step. results suggest that a higher recovery (2.5 times higher) of oa was obtained from spiked samples after the addition of 1.08 mg proteinase k in comparison with samples incubated without the proteolytic enzyme. for the hepatopancreas (hp) of individual field-collected mussels ... | 2005 | 16040057 |
| study on organochlorine compounds in cockles, anadara granosa and mussels, perna viridis from aquaculture sites in peninsular malaysia. | | 2005 | 16228889 |
| field validation of antioxidant enzyme biomarkers in mussels (perna viridis) and clams (ruditapes philippinarum) transplanted in hong kong coastal waters. | green-lipped mussels, perna viridis, and manila clams, ruditapes philippinarum were sourced from "clean" sites in the hong kong region, depurated in a laboratory using uncontaminated filtered seawater for 8 days, and transplanted to a suspected gradient of chemically polluted sites in hong kong. after 14- and 28-days of field exposure, several antioxidant parameters including glutathione s transferase (gst), catalase (cat), glutathione peroxidase (gpx), and glutathione (gsh) were quantified in g ... | 2005 | 16291185 |
| bioenergetic responses in green lipped mussels (perna viridis) as indicators of pollution stress in xiamen coastal waters, china. | samples of green lipped mussels (perna viridis) were collected from three sites (huoshao, i'maluan and tong'an) around xiamen coastal waters, where levels of various trace organic pollutants have been studied. samples were also collected at a "cleaner" reference site near dongshan island for comparison. clearance rate, absorption efficiency and oxygen consumption of the mussels were measured under controlled laboratory condition; organic pollutants in their tissues were also analyzed. scope for ... | 2005 | 16291189 |
| comparative effects of the blue green algae nodularia spumigena and a lysed extract on detoxification and antioxidant enzymes in the green lipped mussel (perna viridis). | nodularia spumigena periodically proliferates to cause toxic algal blooms with some aquatic animals enduring and consuming high densities of the blue green algae or toxic lysis. n. spumigena contains toxic compounds such as nodularin and lipopolysaccharides. this current work investigates physiological effects of exposure from bloom conditions of n. spumigena cells and a post-bloom lysis. biochemical and antioxidative biomarkers were comparatively studied over an acute 3-day exposure. in general ... | 2005 | 16291202 |
| crystalline style and tissue redistribution in perna viridis as indicators of cu and pb bioavailabilities and contamination in coastal waters. | the concentrations of cu, pb, and zn in the crystalline style (cs) and in the remaining soft tissues (st) of the green-lipped mussel perna viridis from 10 geographical sites along the coastal waters off peninsular malaysia were determined. the cs, compared with the remaining st, accumulated higher levels of cu in both contaminated and uncontaminated samples, indicating that the style has a higher affinity for the essential cu to bind with metallothioneins. the similar pattern of cu accumulation ... | 2006 | 16406592 |
| monitoring trace metal contaminants in green mussel, perna viridis from the coastal waters of karnataka, southwest coast of india. | the green mussel (perna viridis) is widely distributed in the coastal waters of asia and is used in mussel watch programmes for monitoring environmental contaminants throughout the region. green mussels representing different size groups and habitats were sampled from their natural beds at 28 locations in the inshore waters of karnataka (southwest coast of india) to analyze the tissue concentrations of cd, cr, cu, fe, mn, ni, pb, and zn. tissue concentrations of cr, cu, fe, and pb were significa ... | 2006 | 16583254 |
| influences of different selenium species on the uptake and assimilation of hg(ii) and methylmercury by diatoms and green mussels. | we examined the influences of different concentrations and species of se (selenite, selenate, and seleno-l-methionine) in the ambient environment on the accumulation of inorganic hg(ii) and methylmercury (mehg) by the diatom thalassiosira pseudonana and the green mussel perna viridis. at the experimental concentrations tested (< 500 microgl(-1)), selenite and selenate did not significantly affect the uptake of either mercury species by the diatoms and the green mussels. the assimilation efficien ... | 2004 | 15110468 |
| biomarkers of environmental contaminants in field population of green mussel (perna viridis) from karnataka-kerala coast (south west coast of india). | the green mussel perna viridis was sampled from relatively clean and contaminated sites along the kartanata-kerala coast (south west coast of india) to study the tissue concentration of trace metals and biological responses to stress (biomarkers) such as sister chromatid exchange (sce), chromosomal aberration, micronucleus (mn) test, hemic neoplasia (hn), chromotest (ames test) and comet assay. in general, mean tissue concentrations of toxic trace metals collected from 25 sampling sites were fou ... | 2006 | 16703456 |
| remarkable difference in accumulation of paralytic shellfish poisoning toxins among bivalve species exposed to pyrodinium bahamense var. compressum bloom in masinloc bay, philippines. | seasonal variation of bivalve toxicity was monitored in association with the abundance of the toxic dinoflagellate pyrodinium bahamense var. compressum in masinloc bay, luzon island. among 7 species of bivalve, 6 species became toxic during a bloom of the dinoflagellate. however, remarkable difference in the toxicity was observed among the species. the toxicity of thorny oyster spondylus squamosus was the highest among the species, showing more than 30 times that of safety consumption level afte ... | 2006 | 16777162 |
| occurrence of antifouling biocides in sediment and green mussels from thailand. | various antifouling biocides were surveyed in sediment and green mussels (perna viridis) from the coastal area of thailand. the concentrations of butyltin (mbt), dibutyltin (dbt), and tiributyltin (tbt) in sediment from thailand were in the range of 1-293 microg kg(-1) dry wt., 1-368 microg kg(-1) dry wt., and 2-1246 microg kg(-1) dry wt., respectively. a higher concentration of tbt was observed in industrial areas, where many tankers and cargo ships sail and moor. phenyltin (pt) compounds were ... | 2006 | 16832716 |
| trace organic contamination in biota collected from the pearl river estuary, china: a preliminary risk assessment. | the marine ecosystem of the pearl river delta, located on the southern coast of china, has been heavily exploited following the rapid economic growth that has occurred since the 1980s. this investigation aimed to elucidate trace organic contamination in marine biota inhabiting the pearl river delta area. biota samples, including green-lipped mussels (perna viridis), oysters (crassostrea rivularis) and shrimp (penaeus orientalis) were sampled from 16 stations fringing the estuary. elevated concen ... | 2006 | 16908034 |
| distribution of virulent and pandemic strains of vibrio parahaemolyticus in three molluscan shellfish species (meretrix meretrix, perna viridis, and anadara granosa) and their association with foodborne disease in southern thailand. | distribution of pandemic strains of vibrio parahaemolyticus in seafood, particularly in molluscan shellfish, and their serological and molecular relationships to clinical strains were examined from hat yai city in southern thailand. during 2000 to 2002, virulent strains (tdh+ or trh+) were isolated from 13 of 230 molluscan shellfish samples using alkaline peptone water enrichment followed by immunomagnetic separation. the isolates included 12 pandemic strains (tdh+, trh-, group-specific pcr posi ... | 2006 | 17133804 |
| androgenic and estrogenic response of green mussel extracts from singapore's coastal environment using a human cell-based bioassay. | in the last decade, evidence of endocrine disruption in biota exposed to environmental pollutants has raised serious concern. human cell-based bioassays have been developed to evaluate induced androgenic and estrogenic activities of chemical compounds. however, bioassays have been sparsely applied to environmental samples. in this study we present data on sex hormone activities in the green mussel, perna viridis, in singapore's coastal waters. p.viridis is a common bioindicator of marine contami ... | 2004 | 15531429 |
| biochemical markers of oxidative stress in perna viridis exposed to mercury and temperature. | oxidative damage and antioxidant properties have been studied in perna viridis subjected to short-term exposure to hg along with temperature (72h) and long-term temperature exposures (14 days) as pollution biomarkers. the elevated thiobarbituric acid reactive substances (tba-rs) levels observed in gills and digestive gland under exposure to hg, individually and combined with temperature, as also long-term temperature stress have been assigned to the oxidative damage resulting in lipid peroxidati ... | 2007 | 17418111 |
| heavy metals in sediments, mussels and oysters from trinidad and venezuela. | the gulf of paria is bordered by both trinidad and venezuela, from which various metallic pollutants and other contaminants can originate. the gulf is still a significant source of fish, crabs and shellfish for human consumption to both countries, where concerns over the quality of this marine environment have been long expressed but never properly addressed. in addition, the circulatory current patterns in the gulf ensure that contaminants originating from either country are likely to affect bo ... | 2005 | 17465143 |
| [taxonomic composition of bacteria associated with cultivated mollusks crassostrea lugubris and perna viridis and with the water of the gulf of nha trang lagoon, vietnam]. | one hundred and four strains of heterotrophic bacteria have been isolated and characterized from two species of bivalve mollusks cultivated in the gulf of nha trang (vietnam) and from the water of a mariculture farm. the isolates have been identified on the basis of morphological, physiological, biochemical, and chemotaxonomic properties, as well as by the content of g+c bases in dna. in the microflora of mollusks, vibrio alginolyticus was predominant; the pathogenic species v. harveyi and v. sp ... | 2007 | 17583223 |
| modeling of depuration of paralytic shellfish toxins in chlamys nobilis and perna viridis. | | 2005 | 15823311 |
| field observations on correlation of fatty acid profiles between suspended particulate matter and green-lipped mussels in subtropical waters of hong kong. | by analysis of the fatty acid profiles in mussel tissues and suspended particulate matter (spm) in water, the present study showed a significant relationship of the trophic linkage between mussels and the spm. at seven locations from inner to outer areas along the eutrophic tolo harbour and tolo channel, hong kong, the composition (as percentage of total fatty acids) of both monoenoic and polyunsaturated fatty acids in the tissues of green-lipped mussels perna viridis and spm in water had signif ... | 2008 | 18289610 |
| polycyclic musks in green-lipped mussels (perna viridis) from hong kong. | six polycyclic musk compounds [cashmeran (dpmi), celestolide (adbi), phantolide (ahmi), traseolide (atii), tonalide (ahtn), and galaxolide (hhcb)] were analysed in marine green-lipped mussels (perna viridis) from hong kong. adbi, hhcb and ahtn were detected in almost all samples, while ahmi, atii and dpmi were not detected. concentrations of adbi, hhcb and ahtn in mussels ranged from below detection limit-0.0743 (mean: 0.0246), 0.247-6.08 (mean: 1.15) and 0.0591-0.738 (mean: 0.190)mg/kg lipid we ... | 2008 | 18384818 |
| biokinetics of paralytic shellfish toxins in the green-lipped mussel, perna viridis. | | 2007 | 17391712 |
| isolation, purification and characterization of beta-1,3-glucan binding protein from the plasma of marine mussel perna viridis. | a beta-1,3-glucan binding protein (betagbp) specific for laminarin (a beta-1,3-glucan) was detected for the first time in a mollusc, perna viridis. betagbp was isolated and purified from the plasma using laminarin precipitation and affinity chromatography on laminarin-sepharose 6b, respectively. it agglutinated bakers yeast, bacteria, and erythrocytes and enhanced prophenoloxidase (propo) activity of the plasma in a dose-dependent manner. the purified betagbp appeared as a single band in native- ... | 2008 | 18420422 |
| antioxidant responses to polycyclic aromatic hydrocarbons and organochlorine pesticides in green-lipped mussels (perna viridis): do mussels "integrate" biomarker responses? | polycyclic aromatic hydrocarbons (pahs) and organochlorine pesticides (ocs) are generally present in the marine environment in complex mixtures. the ecotoxicological nature of contaminant interactions, however, is poorly understood, with most scientific observations derived from single contaminant exposure experiments. the objective of this experiment was to examine dose-response relationships between antioxidant parameters and body contaminant levels in mussels exposed to different exposure reg ... | 2008 | 18499194 |
| metal concentrations in green-lipped mussels (perna viridis) and rabbitfish (siganus oramin) from victoria harbour, hong kong after pollution abatement. | | 2008 | 18554668 |
| influences of ammonia-nitrogen and dissolved oxygen on lysosomal integrity in green-lipped mussel perna viridis: laboratory evaluation and field validation in victoria harbour, hong kong. | lysosomal integrity in mussels has been applied as a biomarker to detect the pollution of trace organics and metals in the natural environments. however, few studies have examined the effects of water quality on the response of lysosomal integrity, in particular total ammonia-nitrogen (tan) and dissolved oxygen (do). this study demonstrated that high level of tan (2.0mg/l) and low do (2.5mg o(2)/l) could significantly reduce the lysosomal integrity in green-lipped mussel perna viridis, respectiv ... | 2008 | 18789457 |
| radioprotection against dna damage by an extract of indian green mussel, perna viridis (l). | this study describes the radioprotective ability of a hydrolysate prepared using an enzyme-acid hydrolysis method from the green mussel perna viridis in terms of its ability to prevent radiation-induced damage in plasmid dna, cell death, reactive oxygen species (ros) formation, and dna damage in mice lymphocytes. the mussel hydrolysate (mh) present during irradiation showed significant protection from gamma-radiation-induced strand breaks in plasmid dna as evaluated by gel electrophoresis. viabi ... | 2007 | 18197824 |
| occurrence of organochlorine pesticide residues in green mussel (perna viridis l.) and water from ennore creek, chennai, india. | green mussel (perna viridis) and water samples were collected from ennore creek, chennai by seasonal sampling and analyzed for organochlorine pesticide residues (ocps) like dichloro-diphenyl-trichloroethane (ddt) and its metabolites, isomers of hexachlorocyclohexane (hch) and endosulfan. these residues were analyzed by using gas chromatograph (gc) with microecd. in the present study, mussel samples showed very low concentrations of ocps in the statistical order of ddt (5.83 ng g(-1) wet tissue)> ... | 2010 | 19184492 |
| power analysis for biomarkers in mussels for use in coastal pollution monitoring. | data from literature on neutral red retention time (nrrt) in lysosomes, micronucleus (mn) frequency and condition index (ci) in mussel mytilus, especially mytilus edulis and mytilus galloprovincialis, were re-analyzed to ascertain their statistical power in detecting a minimum 20% spatial/temporal change in field studies. results showed that ci largely displayed higher statistical power (>90%) than lysosomal nrrt and mn frequency (<50%), suggesting that data from the latter two biomarkers may le ... | 2009 | 19406439 |
| genetic characterization of perna viridis l. in peninsular malaysia using microsatellite markers. | a total of 19 polymorphic microsatellite loci were used to analyse levels of genetic variation for 10 populations of perna viridis l. collected from all over peninsular malaysia. the populations involved in this study included pulau aman in penang, tanjung rhu in kedah, bagan tiang in perak, pulau ketam in selangor, muar, parit jawa, pantai lido and kampung pasir puteh in johore, and kuala pontian and nenasi in pahang state. the number of alleles per locus ranged from two to seven, with an avera ... | 2009 | 19700853 |
| detection of cryptosporidium oocysts in green mussels (perna viridis) from shell-fish markets of thailand. | mussels filter large volumes of water and can concentrate pathogenic organisms, which may act as potential vehicles of transmission to the consumer. a survey study was carried out to investigate the presence of cryptosporidium protozoan parasites in green mussels (perna viridis), the smussles pecies most destined for consumption in thailand. in total, 56 samples were examined from bangkok (n = 24) and samut prakan (n = 32) a wholesale shell-fish markets located at the mouth of the chao phraya ri ... | 2009 | 19839271 |
| trace metal content in mussels, perna viridis l., obtained from selected seafood markets in a metropolitan city. | mussels, perna viridis l., obtained from three selected seafood markets in metro manila, were tested for metal content including cadmium, copper, lead, and zinc through atomic absorption spectrophotometry. water samples from bacoor bay, cavite, which supplies mussels to the market, were likewise subjected to similar metal analyses. of the metals analyzed in the soft tissues of mussels, only copper and lead with highest obtained values of 10.4 mg/kg and 2.3 mg/kg, respectively exceeded the pemsea ... | 2010 | 20224974 |
| butyltin accumulation in marine bivalves under field conditions in taiwan. | this study aimed to characterize the butyltin bioaccumulation in a simple food chain under varied conditions. significant trophic level magnification factors of tributyltin (21.5-1546) were observed in two filter-feeders, oysters (crassostrea gigas) and mussels (perna viridis), in an environment with low tributyltin pollution levels (0.4-13.1 ng l(-1) as tin). both of these bivalve species showed higher bioaccumulation factors (bafs) of tributyltin under low pollution levels, while smaller magni ... | 2010 | 20488529 |
| anti-inflammatory activities of aqueous/ethanol and methanol extracts of perna viridis linn. in mice. | anti-inflammatory effect of the edible mytilid bivalve perna viridis was evaluated using formalin, carrageenan and dextran-induced paw oedema in mice. the whole mussel tissue without shell was first extracted with ethyl acetate and then successively with methanol and water:ethanol, 7:3 (aqueous/ethanol). three doses (100, 500 and 1,000 mg/kg) of the extracts (methanol and aqueous/ethanol) were administered orally prior to the injection of inflammatory agents. the inflammation induced by formalin ... | 2011 | 21359864 |
| [extraction and application of perna viridis foot protein as bioadhesive]. | mussel adhesive proteins have attracted increasing interests for their potential use as environmentally friendly bioadhesives in medicine and aqueous conditions. in this study, surface coating analysis, quartz crystal microbalance (qcm), cell and bone tissue adhesion and cytotoxicity assay were used to study the properties of the perna viridis foot proteins (pvfp) extract as bioadhesive. the results of coating ability on various materials and qcm analysis revealed that pvfp extract has comparabl ... | 2010 | 21374977 |
| [lipid and fatty acid profile of perna viridis, green mussel (mollusca: bivalvia) in different areas of the eastern venezuela and the west coast of trinidad]. | the species perna viridis is a highly consumed species, which fast growth makes it an interesting aquaculture alternative for venezuelan and trinidad coasts. with the aim to contribute with its nutritional value information, this study analyzed lipid and fatty acid contents from samples taken in five locations from eastern venezuela and three from trinidad west coast. total lipids were extracted and quantified, from a pooled sample of 100 organisms per location, by standard gravimetric methods, ... | 2011 | 21516644 |
| Estimation of (210)Po and (210)Pb and its dose to human beings due to consumption of marine species of Ennore Creek, South India. | A systemic study on the natural radionuclides such as (210)Po and (210)Pb in the environmental matrices and biota of Ennore Creek has been undertaken to establish a baseline data on the radiation profile of Ennore Creek environment. The environmental samples such as water, sediment, and biota (seaweeds, molluscs, crustaceans, and fishes) have been subjected to analyses. It has been observed that the concentration of (210)Po and (210)Pb in the water samples of Ennore Creek as 2.7 and 1.63 m Bq L( ... | 2011 | 22160474 |
| [effects of di-n-butyl phthalate on the antioxidant enzyme activities and lipid peroxidation level of perna viridis]. | a laboratory experiment was conducted to examine the superoxide dismutase (sod) and catalase (cat) activities and the lipid peroxidation (lpo) level presented by malondialdehyde (mda) in visceral mass and mantle of green mussel (perna viridis) after exposure to 0.5- 62.5 mg x l(-1) of di-n-butyl phthalate (dbp) for 15 days, and to study the change characteristics of these biochemical indicators after the green mussel released into dbp-free seawater for 10 days. during exposure period, the sod ac ... | 2011 | 22007468 |
| disruption of microbial biofilms by an extracellular protein isolated from epibiotic tropical marine strain of bacillus licheniformis. | marine epibiotic bacteria produce bioactive compounds effective against microbial biofilms. the study examines antibiofilm ability of a protein obtained from a tropical marine strain of bacillus licheniformis d1. | 2013 | 23691235 |
| a marteilia-like parasite in blue mussels mytilus edulis in china. | species of the genus marteilia (phylum paramyxea) are protozoan parasites of marine mollusks. marteilia spp. have been detected in mollusks from different parts of the world, but the presence of these parasites in china has not been previously reported. therefore, a survey was conducted to look for the presence of marteilia spp. in blue mussels mytilus edulis and asian green mussels perna viridis collected along china's coasts. histological and pcr analyses revealed that 5 of 180 m. edulis (prev ... | 2012 | 22897134 |
| dna damage in male gonad cells of green mussel (perna viridis) upon exposure to tobacco products. | dna damage (determined by the comet assay) and the occurrence of deformed nuclei were measured as endpoints of genotoxicity in male gonad cells of the marine mussel (perna viridis). upon exposure of the organism to varying concentrations of extracts of smoked and non-smoked cigar tobacco over a period of 16 days, dna damage was found to be highest in marine mussels exposed to extracts of smoked cigar tobacco. conversely, more deformed nuclei were detected in marine mussels exposed to extracts of ... | 2006 | 16673160 |
| antifouling activity towards mussel by small-molecule compounds from a strain of vibrio alginolyticus bacterium associated with sea anemone haliplanella sp. | mussels are major fouling organisms causing serious technical and economic problems. in this study, antifouling activity towards mussel was found in three compounds isolated from a marine bacterium associated with the sea anemone haliplanella sp. this bacterial strain, called pe2, was identified as vibrio alginolyticus using morphology, biochemical tests, and phylogenetic analysis based on sequences of 16s rrna and four housekeeping genes (rpod, gyrb, rctb, and toxr). three small-molecule compou ... | 2017 | 27880960 |
| concentrations of polycyclic aromatic hydrocarbons and polychlorinated biphenyls in green-lipped mussel perna viridis from victoria harbour, hong kong and possible human health risk. | | 2009 | 19155024 |
| prevalence and molecular genotyping of noroviruses in market oysters, mussels, and cockles in bangkok, thailand. | noroviruses are the most common cause of acute gastroenteritis associated with bivalve shellfish consumption. this study aimed to detect and characterize noroviruses in three bivalve shellfish species: oysters (saccostrea forskali), cockles (anadara nodifera), and mussels (perna viridis). the virus concentration procedure (adsorption-twice elution-extraction) and a molecular method were employed to identify noroviruses in shellfish. rt-nested pcr was able to detect known norovirus gii.4 of 8.8 × ... | 2016 | 26872638 |
| the use of selected genotoxicity assays in green-lipped mussels (perna viridis): a validation study in hong kong coastal waters. | in hong kong, discharges of domestic and industrial wastewaters and disposal of contaminated muds into coastal waters have resulted in high levels of persistent organic contaminants in the water column, biota and bottom sediments. although the acute toxicity of effluents has been tested by government regulators using mortality-based bioassays, the sublethal effects of many of the pollutants, including environmental carcinogens, have not been well studied. the objective of the present work was to ... | 2008 | 18420224 |
| metal accumulation in marine bivalves under various tributyltin burdens. | in the present study, a field survey was conducted to measure the accumulation of butyltin, cu, zn, and cd in green mussels (perna viridis) and pacific oysters (crassostrea gigas) at the regions along a tributyltin pollution gradient. a negative correlation was found between the tributyltin/total butyltin ratio (0.87-0.31) and tributyltin content (114-5,817 ng/g as tin dry wt) in oysters, while the cu content (44.2-381 mg/kg dry wt) was positively correlated with the logarithm of tributyltin con ... | 2009 | 19606913 |
| butyltin accumulation in two marine bivalves along a pollution gradient. | in the present study, we describe a field survey regarding the effect of ambient water conditions in the accumulation of tributyltin (tbt) and its metabolites in green mussels (perna viridis) and pacific oysters (crassostrea gigas). the results showed that following the changes in tbt pollution levels, the accumulation of butyltins exhibited clear differences between oysters and mussels. the ratio of tbt to total butyltin (tbt:sigmabt) decreased from 0.87 to 0.31 with increasing tbt burdens in t ... | 2008 | 18444696 |
| non-native marine invertebrates are more tolerant towards environmental stress than taxonomically related native species: results from a globally replicated study. | to predict the risk associated with future introductions, ecologists seek to identify traits that determine the invasiveness of species. among numerous designated characteristics, tolerance towards environmental stress is one of the most favored. however, there is little empirical support for the assumption that non-native species generally cope better with temporarily unfavorable conditions than native species. to test this concept, we ran five pairwise comparisons between native and non-native ... | 2011 | 21632049 |
| uptake and elimination of brevetoxin in the invasive green mussel, perna viridis, during natural karenia brevis blooms in southwest florida. | perna viridis is a recently introduced species to us coastal waters and have vigorously spread throughout the southeastern seaboard since their invasion. little information regarding their response to local environmental factors has been reported including responses to the local hab species, karenia brevis. this study monitored the tissue toxin concentration of brevetoxins in p. viridis from existing populations throughout two consecutive natural k. brevis blooms. the results showed p. viridis t ... | 2015 | 25681577 |
| comparative effects of the toxic dinoflagellate karenia brevis on clearance rates in juveniles of four bivalve molluscs from florida, usa. | the effects of karenia brevis (gymnodiniales, gymnodiniaceae) on the feeding activity of juveniles of four species of bivalve mollusc were examined in the laboratory to assess the potential impacts on these important shellfish populations from florida. clearance rates were determined under short-term (one hour) static and long-term (two days) flow-through conditions using both whole and lysed cultures of k. brevis. under short-term conditions, the bay scallop, argopecten irradians, was the most ... | 2007 | 17182073 |
| trace metals in different species of mollusca, water and sediments from taiwan coastal area. | since october 1994, a long-term program of asia/pacific mussel watch: taiwan regional studies has been carried out. the results indicate that trace metal contents in mollusca varied among 30 different species and the environments (water and sediments) along the taiwan coast. the orders of bioaccumulation of trace metals in mollusca were: cu (over 200 microg/g), thais clavigera > isognomon legumen > clibanarius rivescens > crassostrea gigas; zn (over 700 microg/g), moruta granulata > c. gigas > a ... | 2001 | 11482676 |
| development of a fluorescent transgenic zebrafish biosensor for sensing aquatic heavy metal pollution. | we report a transgenic zebrafish (danio rerio) designed to respond to heavy metals using a metal-responsive promoter linked to a fluorescent reporter gene (dsred2). the metallothionein mt-ia1 promoter containing metal-responsive elements was derived from the asian green mussel, perna viridis. the promoter is known to be induced by a broad spectrum of heavy metals. the promoter-reporter cassette cloned into the tol2 transposon vector was microinjected into zebrafish embryos that were then reared ... | 2016 | 27120052 |
| uptake of dissolved organic carbon-complexed ⁶⁵cu by the green mussel perna viridis. | stable cu isotope ((65)cu) was complexed with various representative dissolved organic carbon (doc) types, including coastal seawater doc, fulvic acid (fa), cyanobacteria spirulina (sp) doc, histidine (his), cysteine (cys), and lipophilic diethyl dithiocarbamate (ddc) at different concentrations. the uptake of these dissolved cu species by the coastal green mussel perna viridis was quantified for the first time. copper complexed with different doc types were taken up in some measure by mussels, ... | 2012 | 22242907 |
| pollution monitoring in southeast asia using biomarkers in the mytilid mussel perna viridis (mytilidae: bivalvia). | mytilid mussels have been extensively used in marine pollution monitoring programmes in temperate regions of the world although widespread subtropical representatives such as perna viridis have only comparatively recently been utilised to monitor the sublethal effects of pollution in southeast asia. p. viridis is considered a subtropical equivalent of the temperate mytilus sp. and has considerable potential for pollution monitoring throughout its geographical range. this paper reviews the curren ... | 2005 | 15607786 |
| antifouling activity of indian marine invertebrates against the green mussel perna viridis l. | thirty-one species of marine invertebrates collected from the indian coast, belonging to six phyla (porifera, coelenterata, annelida, mollusca, echinodermata, and eurochordata) were tested for antifouling activity against the green mussel perna viridis l. the repulsive action of the foot and production of byssus threads by green mussels were used for assaying the above activity. subergorgia suberosa, sinularia numerosa, sinularia compressa, cladiella pachyclados (phylum coelenterata), haliclona ... | 1998 | 9852616 |