Contents

Russian Journal of Genetics

Vol. 57, No. 3, 2021

Reviews and Theoretical Articles

Clock Gene, Melatonin, and the Sleep–Wake Cycle

N. V. Semenova, I. M. Madaeva and L. I. Kolesnikova p. 251  abstract

Genetic Impairments of PRC2 Activity in Oncology: Problems and Prospects

D. A. Chetverina, D. V. Lomaev, P. G. Georgiev and M. M. Erokhin p. 258  abstract

The Role of Genetic Factors in Endocrine Tissues Development and Its Regulation In Vivo and In Vitro

D. V. Goliusova, N. V. Klementieva, A. V. Panova, N. G. Mokrysheva and S. L. Kiselev p. 273  abstract

Plant Genetics

Variability and Expression Pattern of Phytoene Synthase (PSY) Paralogs in Pepper Species

M. A. Filyushin, E. A. Dyachenko, G. I. Efremov, E. Z. Kochieva and A. V. Shchennikova p. 282  abstract

Genetic Variability in Pinus sylvestris, Picea obovata, and Abies sibirica Populations and in Felling in the Southern Taiga of Central Siberia

I. V. Tikhonova, A. K. Ekart, A. N. Kravchenko and N. A. Tikhonova p. 297  abstract

Identification and Variability of the GDP-L-Galactose Phosphosphorylase Gene ApGGP1 in Leek Cultivars

O. K. Anisimova, A. V. Shchennikova, E. Z. Kochieva and M. A. Filyushin p. 311  abstract

Features of Expression of Foreign Genes in Complex Insertions in Transgenic Tobacco Plants with a Mosaic Pattern of nptII Gene Expression

T. V. Marenkova, V. V. Kuznetsov and E. V. Deineko p. 319  abstract

Vernalization (VRN) and Photoperiod (PPD) Genes in Spring Hexaploid Wheat Landraces

A. Yu. Dragovich, A. V. Fisenko and A. A. Yankovskaya p. 329  abstract

Use of Inter Simple Sequence Repeat (ISSR) Markers to Assess the Genetic Diversity of Panax bipinnatifidus Seem. Collected from Northern Vietnam

Q. V. Hoi, T. V. Tien, L. N. Trieu, N. V. Duy, L. D. Chac, H. V. Chinh and B. B. Thinh p. 341  abstract

Animal Genetics

Phylogenetic Relationships of Flounders from the Family Pleuronectidae (Ostichties: Pleuronectiformes) Based on 16S rRNA Gene

A. D. Redin and Yu. Ph. Kartavtsev p. 348  abstract

Introgressive Hybridization between Southern Asian Dolly Varden, Salvelinus curilus, and Northern Dolly Varden, S. malma malma, on Sakhalin Island

S. Yamamoto, K. Morita, G. Sahashi, K. Maekawa, A. Oleinik, E. Bondar and V. Brykov p. 361  abstract

Short Communications

Isolation by Distance in North Ossetians

G. I. El’chinova, V. V. Kadyshev and R. A. Zinchenko p. 371  abstract

Genetic Diversity and Differentiation of Northern Populations of Pedunculate Oak Based on Analysis of New SNP Markers

B. Degen, Y. A. Yanbaev, R. Y. Ianbaev, S. Y. Bakhtina, A. A. Gabitova and A. A. Tagirova p. 374  abstract