2018
DOI: 10.37828/em.2018.19.3
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Sex Inversion in Cultivated Mussels Mytilus Galloprovincialis Lam. (Crimea, Black Sea) Under Influence of External Environmental Factors

Abstract: In the last decade, there has been a shift in the sex ratio of the mussel Mytilus galloprovincialis in the Black Sea towards increase of males. In modern literature, focus is mainly on mechanisms of sex inheritance in mussels and hormonal regulation of the reproduction, and there is no information on sex inversion in M. galloprovincialis under the influence of environmental factors. The goal of this work is to establish the fact of sex change in mussels cultivated near the coast of Crimea under the influence o… Show more

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Cited by 3 publications
(4 citation statements)
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References 7 publications
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“…Similar sex ratio was reported by other authors for M. galloprovincialis (Da Ros et al, 1985;Suárez et al, 2005;Bhaby et al, 2014;Bhaby, 2015;Azpeitia et al, 2017), as well as for M. edulis (Sunila 1981;Toro et al, 2002). Contrary to those authors, Chelyadina et al (2018) in M. galloprovincialis populations from Black Sea found more males during all investigated period (M:F=2.8:1). Sex determination mechanisms in bivalves seems neither purely genetic nor purely environmental (Dalpé, 2020), and sea water temperature is considered as one of the most important environmental factor affecting sex determination in animals (Wedekind, 2017).…”
Section: Disscusionsupporting
confidence: 88%
“…Similar sex ratio was reported by other authors for M. galloprovincialis (Da Ros et al, 1985;Suárez et al, 2005;Bhaby et al, 2014;Bhaby, 2015;Azpeitia et al, 2017), as well as for M. edulis (Sunila 1981;Toro et al, 2002). Contrary to those authors, Chelyadina et al (2018) in M. galloprovincialis populations from Black Sea found more males during all investigated period (M:F=2.8:1). Sex determination mechanisms in bivalves seems neither purely genetic nor purely environmental (Dalpé, 2020), and sea water temperature is considered as one of the most important environmental factor affecting sex determination in animals (Wedekind, 2017).…”
Section: Disscusionsupporting
confidence: 88%
“…Особую опасность для водных экосистем представляют тяжёлые металлы [1,2,3]: накапливаясь в организме гидробионтов, они способны оказывать токсическое воздействие [3,5,7]. Известно, что некоторые компоненты техногенного загрязнения могут быть причиной инверсии пола мидии Mytilus galloprovincialis Lamarck, 1819, при этом смена пола у моллюсков идёт в одном направлении -от самок к самцам [6].…”
unclassified
“…Моллюсков M. galloprovincialis с раковиной размером (55,3 ± 3,1) мм отбирали в 2018-2019 гг., в период весеннего массового нереста, с верёвочных коллекторов мидийно-устричной фермы г. Севастополя (44°37′13.4″N, 33°30′13.6″E). Самок отбирали в лабораторных условиях путём температурной стимуляции нереста [6]. Каждую мидию помещали в отдельную ёмкость объёмом 250 мл, температуру воды в ней доводили до 18-22°C.…”
unclassified
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