scholarly journals MORPHOLOGIC CHARACTERISTIC AND PCR-IDENTIFICATION OF MYXOBOLUS EPISQUAMALIS EGUSA, MAENO & SORIMACHI, 1990, IN GREY MULLET MUGIL CEPHALUS (LINNAEUS, 1758) FROM KERCH PRE-STRAIT AREA OF THE BLACK SEA

2018 ◽  
Vol 14 (2) ◽  
pp. 88-97 ◽  
Author(s):  
A.V. Kazarnikova ◽  
◽  
T.V. Strizhakova ◽  
E.S. Bortnikov ◽  
P. Beraldo ◽  
...  
Keyword(s):  
Black Sea ◽  
Mugil Cephalus ◽  
The Black Sea ◽  
Grey Mullet ◽  
Morphologic Characteristic ◽  
Pcr Identification

scholarly journals New data on wild grey mullet (mugil cephalus linnaeus, 1758) myxosporean (myxobolus episquamalis egusa et al., 1990) in the black sea

2020 ◽  
Vol 175 ◽  
pp. 02014
Author(s):  
Anna Kazarnikova ◽  
Tatyana Strigakova ◽  
Evgeny Bortnikov ◽  
Ovkar Byadgi ◽  
Marco Galeotti ◽  
...  
Keyword(s):  
Black Sea ◽  
Infected Fish ◽  
Mugil Cephalus ◽  
Fish Mortality ◽  
The Black Sea ◽  
Grey Mullet ◽  
Frontal View ◽  
Universal Primer ◽  
Russian Waters ◽  
18S Rdna Gene

Flathead grey mullet, Mugil cephalus, with mass whitish cystlike plasmodia on their scales were collected at Kerchensky preglass of the Black Sea in 2015. The prevalence of infected fish varied from 15% in spring, reached 100% in summer, and declined to 2.5% in autumn. No fish mortality was detected. The spores were oval in frontal view, tapering to a blunt apex. Two unequal polar capsules were pyriform and extended over the anterior half of spore. Spores were 8.2±0.03 µm (7.9-8.4) long, 5.9±0.23 µm (5.2-7.3) wide, and 4.4±0.17 µm (4.0-4.7) thick. Two pyriform and unequal polar capsules were observed (4.0±0.07 µm (3.3-4.5) long, and 1.5±0.24 µm (1.1-1.8) wide). The investigation of nucleotide sequences of the 18S rDNA gene of the myxosporean spores from scales with universal primer А (5′-ACCTGGTTGATCCTGCCAGT-3′) and В (5′-TGATCCTTCTGCAGGTTCACCTAC-3′) showed 100% identity with episquamalis, and 99 % with M. bizerti, M. ichkeulensis, M. spinacurvata and Myxobolus sp. previously detected in mullets. The results obtained from the present study reveal that M. episquamalis, found on the scales of M. cephalus from Kerchensky preglass of the Black Sea, is new record for Russian waters.

scholarly journals Environmental Investigations and Tissue Bioaccumulation of Heavy Metals in Grey Mullet from the Black Sea (Bulgaria) and the Ionian Sea (Italy)

Animals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 1739
Author(s):  
Francesco Fazio ◽  
Claudio D’Iglio ◽  
Gioele Capillo ◽  
Concetta Saoca ◽  
Katya Peycheva ◽  
...  
Keyword(s):  
Black Sea ◽  
Marine Pollution ◽  
Total Concentration ◽  
Essential Elements ◽  
Analytical Determination ◽  
The Black Sea ◽  
Ionian Sea ◽  
Grey Mullet ◽  
Coastal Marine ◽  
Fish Samples

The environmental monitoring of chemical toxicants has been a widely studied topic in the last few decades. The main aim of the present study was to determine the total concentration of nine elements (Cd, Cr, Pb, Ni, Al, Cu, Fe, Mn, and Zn) in the fish species grey mullet (M. cephalus) and in the coastal marine waters collected from various sampling points along the Black Sea (Bulgaria) and the Ionian Sea (Italy). Further, those results were applied to predict the pollution degree in those coastal marine environments. The fish samples were subject to acid digestion followed by appropriate analytical determination. The metal concentrations in marine water samples collected from the Black Sea (Bulgaria) and the Ionian Sea (Italy) were also analyzed. Unpaired Student’s t-test and the one-way ANOVA were applied for the statistical analysis of the data. The statistical results revealed a significant variation (p < 0.0001) in the concentration of various fish tissues. The accumulation of toxic and essential elements differs significantly in grey mullet species caught from the Black Sea (Bulgaria) and the Ionian Sea (Italy). The results from this study may serve as a convenient approach during marine pollution programs set by both countries (Italy and Bulgaria).

Trichodinid ciliates from fishes of the Rumanian Black Sea coast

Parasitology ◽  
1962 ◽  
Vol 52 (1-2) ◽  
pp. 49-61 ◽  
Author(s):  
Jiří Lom
Keyword(s):  
New Species ◽  
Black Sea ◽  
Fish Species ◽  
Gasterosteus Aculeatus ◽  
Mugil Cephalus ◽  
The Black Sea ◽  
Separate Paper ◽  
Short Survey ◽  
Black Sea Coast ◽  
Sea Coast

Representatives of a total of twenty fish species, most of them marine, from the Black Sea coast in Rumania were investigated. Of these, ten species were found to harbour ectoparasitic trichodinids on their skin and gills. Three of them, Trichodina rectuncinata Raabe, 1959, from Gaidropsis mediterranaeus and Crenilabrus griseus, T. caspialosae (Dogiel, 1940) mihi from Alosa braschnikowi meotica and T. d. f. latispina from Gasterosteus aculeatus, were already known.Three species could be established as new ones: T. puytoraci sp.nov. from Mugil auratus, M. cephalus and M. saliens, T. raabei sp.nov. from Pleuronectes flesus and T. lepsii sp.nov. from M. auratus. They are clearly differentiated from other species.The following trichodinids were provisionally classified as forms (including one new one) of T. domerguei, thus enlarging this most complicated Trichodina species: T. domerguei, cf. latispina from Gobius syrman, T. domerguei f.n. maris-negri from Gaidropsis mediterranaeus, and T. domerguei f. partidisci from Mugil cephalus. Other populations of T. domerguei could not be properly classified because of lack of material.The description of the new species of Tripartiella which have been mentioned in the introduction, will be given in a separate paper.A short survey on marine trichodinids recorded up to the present is given.

First rDNA sequence data for Haplosplanchnus pachysomus (Digenea: Haplosplanchnidae) ex Mugil cephalus from the Black Sea, and molecular evidence for cryptic species within Haplosplanchnus pachysomus (Digenea: Haplosplanchnidae) in Palaearctic and Indo-West Pacific regions

2021 ◽  
Vol 95 ◽  
Author(s):  
D.M. Atopkin ◽  
N.V. Pronkina ◽  
Yu.V. Belousova ◽  
M.P. Plaksina ◽  
E.A. Vodiasova
Keyword(s):  
Cryptic Species ◽  
Black Sea ◽  
Sequence Data ◽  
Mugil Cephalus ◽  
The Black Sea ◽  
Molecular Evidence ◽  
West Pacific ◽  
Rdna Sequence Data ◽  
Molecular Base ◽  
28S Ribosomal Dna

Abstract Adult trematodes, morphologically similar to Haplosplanchnus pachysomus (Eysenhardt, 1829), were extracted from the intestine of Mugil cephalus Linnaeus, 1758, collected in the Black Sea basin. Morphological, morphometric and 28S ribosomal DNA (rDNA) partial sequence data were obtained for these trematodes following comparative analysis with previous data on this species. Worms from this study were morphologically identical to all previously reported H. pachysomus specimens from different locations. The results of the morphometric analysis indicated general similarity between H. pachysomus from the Black Sea and trematodes from Vietnam and Australia. Trematodes from the Black Sea and specimens from Spain were identical based on 28S rDNA partial sequences; however, these sequences differed from that of H. pachysomus from Vietnam and Australia by eight fixed substitutions. Overall, our results indicate that H. pachysomus from Spain and the Black Sea and from Vietnam and Australia can presently be considered as two cryptic species, one in Palaearctic and one in Indo-West Pacific regions. Our results provide a molecular base for including Haplosplanchnus purii in the genus Provitellotrema or to consider H. purii, P. crenimugilis and H. pachysomus within the same genus.

About invasion of grey mullet by myxosporidia Myxobolus episquamalis at Kerchenskyi preglass of the Black sea

2019 ◽  
Vol 22 (2) ◽  
pp. 29-35
Author(s):  
A.V. Kazarnikova ◽  
◽  
T.V. Strigakova ◽  
N.E. Bojko ◽  
E.S. Bortnikov ◽  
...  
Keyword(s):  
Black Sea ◽  
The Black Sea ◽  
Grey Mullet

scholarly journals Validation of a Quantitative Analysis Method for Collagen Extracted from Grey Mullet Marine Fish

2019 ◽  
Vol 70 (3) ◽  
pp. 835-842
Author(s):  
Rodica Sirbu ◽  
Gabriela Stanciu ◽  
Emin Cadar ◽  
Aneta Tomescu ◽  
Melat Cherim
Keyword(s):  
Quantitative Analysis ◽  
Black Sea ◽  
Absorption Spectrometry ◽  
Research Area ◽  
Performance Criteria ◽  
The Black Sea ◽  
Grey Mullet ◽  
Analysis Method ◽  
Molecular Absorption Spectrometry ◽  
Quantitative Analysis Method

The Black Sea offers numerous harnessing possibilities for the medical and pharmaceutical, agricultural, food industry and cosmetic fields. Collagen extraction from the Black Sea fish is a research area of great interest. The purpose of this paper is to optimize the collagen quantitative analysis method based on hydroxyproline reagent through visible molecular absorption spectrometry. The adapted method was validated, achieving the following performance criteria: linearity, detection and quantification limits, accuracy/fidelity, stability/sturdiness, repeatability, and measurement uncertainty. The validated method was applied for the quantitative determination of collagen content in Grey Mullet fish and for the evaluation of collagen extraction output.

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