Determination of the Female-Biased Sex Ratio in Some Young-of-the-Year and Spawner Samples of the Threespine Stickleback Gasterosteus aculeatus by Environmental, Not Genetic, Factors

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Determination of the Female-Biased Sex Ratio in Some Young-of-the-Year and Spawner Samples of the Threespine Stickleback Gasterosteus aculeatus by Environmental, Not Genetic, Factors. / Artamonova, V. S.; Bardukov, N. V.; Golovin, P. V.; Ivanova, T. S.; Ivanov, M. V.; Lajus, D. L.; Makhrov, A. A.

In: Biology Bulletin, Vol. 48, No. 5, 09.2021, p. 577-587.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{33cd313699a24cd6ba9d13ea6bd64047,

title = "Determination of the Female-Biased Sex Ratio in Some Young-of-the-Year and Spawner Samples of the Threespine Stickleback Gasterosteus aculeatus by Environmental, Not Genetic, Factors",

abstract = "Abstract: Genetic markers (sex-specific loci of Ga1 and Ga2) have been used to analyze the sex ratio of the threespine stickleback at different stages of ontogenesis. The progeny of all individually tested females includes both males and females, and no significant departures from a 1 : 1 sex ratio has been found in embryos from the natural nests. Juveniles did not demonstrate a sex bias up to one-and-a-half or two months of age, but in older juveniles, females prevailed (this fact has been reported for the first time). Females prevail among spawners, which mostly results from the predominant elimination of males during the spawning and post-spawning periods. The possible causes of this predominance are discussed.",

author = "Artamonova, {V. S.} and Bardukov, {N. V.} and Golovin, {P. V.} and Ivanova, {T. S.} and Ivanov, {M. V.} and Lajus, {D. L.} and Makhrov, {A. A.}",

note = "Publisher Copyright: {\textcopyright} 2021, Pleiades Publishing, Inc.",

year = "2021",

month = sep,

doi = "10.1134/S1062359021050034",

language = "English",

volume = "48",

pages = "577--587",

journal = "Biology Bulletin",

issn = "1062-3590",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "5",

}

RIS

TY - JOUR

T1 - Determination of the Female-Biased Sex Ratio in Some Young-of-the-Year and Spawner Samples of the Threespine Stickleback Gasterosteus aculeatus by Environmental, Not Genetic, Factors

AU - Artamonova, V. S.

AU - Bardukov, N. V.

AU - Golovin, P. V.

AU - Ivanova, T. S.

AU - Ivanov, M. V.

AU - Lajus, D. L.

AU - Makhrov, A. A.

PY - 2021/9

Y1 - 2021/9

N2 - Abstract: Genetic markers (sex-specific loci of Ga1 and Ga2) have been used to analyze the sex ratio of the threespine stickleback at different stages of ontogenesis. The progeny of all individually tested females includes both males and females, and no significant departures from a 1 : 1 sex ratio has been found in embryos from the natural nests. Juveniles did not demonstrate a sex bias up to one-and-a-half or two months of age, but in older juveniles, females prevailed (this fact has been reported for the first time). Females prevail among spawners, which mostly results from the predominant elimination of males during the spawning and post-spawning periods. The possible causes of this predominance are discussed.

AB - Abstract: Genetic markers (sex-specific loci of Ga1 and Ga2) have been used to analyze the sex ratio of the threespine stickleback at different stages of ontogenesis. The progeny of all individually tested females includes both males and females, and no significant departures from a 1 : 1 sex ratio has been found in embryos from the natural nests. Juveniles did not demonstrate a sex bias up to one-and-a-half or two months of age, but in older juveniles, females prevailed (this fact has been reported for the first time). Females prevail among spawners, which mostly results from the predominant elimination of males during the spawning and post-spawning periods. The possible causes of this predominance are discussed.

UR - http://www.scopus.com/inward/record.url?scp=85115132563&partnerID=8YFLogxK

U2 - 10.1134/S1062359021050034

DO - 10.1134/S1062359021050034

M3 - Article

AN - SCOPUS:85115132563

VL - 48

SP - 577

EP - 587

JO - Biology Bulletin

JF - Biology Bulletin

SN - 1062-3590

IS - 5

ER -

ID: 94718457