Contents

Biology Bulletin Reviews

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Vol. 11, No. 4, 2021

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Human Intestinal Microbiome and the Immune System: The Role of Probiotics in Shaping an Immune System Unsusceptible to COVID-19 Infection

T. V. Belkina, O. V. Averina, E. V. Savenkova and V. N. Danilenko p. 329  abstract

In Vitro Methods Used to Study DNA–Protein Interactions

L. K. Savinkova, E. B. Sharypova and N. A. Kolchanov p. 344  abstract

Interaction of Catecholamines with Microorganisms, Neurons, and Immune Cells

A. V. Oleskin, E. V. Sorokina and G. A. Shilovsky p. 358  abstract

Immunology of Nonhospital and Intrahospital Infections

V. M. Zemskov, A. M. Zemskov and V. A. Zemskova p. 368  abstract

The Use of Thymalin for Immunocorrection and Molecular Aspects of Biological Activity

V. Kh. Khavinson, N. S. Linkova, N. I. Chalisova and O. M. Ivko p. 377  abstract

The Role of Endogenous Retroviruses in the Domestication Process

S. I. Alipkina, D. S. Nalobin, M. S. Krasnov, A. A. Galiakberova, D. V. Troshev and D. V. Boguslavsky p. 383  abstract

Genetic Regulation of Somatic Growth in Mammals

D. E. Romanov p. 392  abstract

Evolutionary History of the Leguminous Flower

A. A. Sinjushin p. 400  abstract

Specific Characteristics of Karelian Birch Population Structure

L. V. Vetchinnikova and A. F. Titov p. 414  abstract

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