Труды сотрудников ИЛ им. В.Н. Сукачева СО РАН

[Text] / I. N. Tretyakova, N. E. Noskova // Russ. J. Ecol. - 2004. - Vol. 35, Is. 1. - P20-26, DOI 10.1023/B:RUSE.0000011105.90297.07. - Cited References: 28 . - 7. - ISSN 1067-4136РУБ Ecology

Аннотация: Environmental conditions causing stress have a significant effect on the generative organs of Scotch pine. The parameters characterizing pine pollen are subject to significant interannual variations and are closely connected with weather and climatic conditions in the period of pollen formation. Airborne pollutants affect the quality of pine pollen, which is especially apparent in the years favorable for the formation of microspores. The ability of Scotch pine pollen to germinate and form pollen tubes in the regions with different technogenic loads proved to be significantly lower than in tree stands of the background areas.

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Держатели документа:
Russian Acad Sci, Siberian Div, Sukachev Inst Forestry, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Tretyakova, I.N.; Noskova, N.E.

[Text] / I. N. Tretyakova, N. V. Novoselova, Y. A. Cherepovskii // Russ. J. Plant Physiol. - 2004. - Vol. 51, Is. 1. - P120-126, DOI 10.1023/B:RUPP.0000011312.64979.0d. - Cited References: 12 . - 7. - ISSN 1021-4437РУБ Plant Sciences

Аннотация: Morphological and cytoembryological studies of unique forms of Siberian pine (Pinus sibirica Du Tour) with the annual cycle of ovulate cone development were carried out. The morphogenesis of female shoots in these anomalous trees with the annual cycle of development was shown to provide for an accelerated development and very rapid growth of megastrobili and accelerated formation of reproductive structures. Cytoembryological studies of ovules in these trees showed significant shortening of the free-nuclear stage of gametophyte development (up to 3 weeks instead of one year) and ultra-early formation of archegonia and egg cells. However, no fertilization of egg cells and the development of embryos occur in the anomalous forms; the egg-cell nucleus divides in the haploid state. Developing seeds are formed without embryo. The author hypothesizes that the acceleration of embryo development in the anomalous pine trees is caused by enhanced hormonal, carbohydrate, and nitrogen metabolism in ovule tissues.

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Держатели документа:
Russian Acad Sci, Siberian Div, Sukachev Inst Forestry, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Tretyakova, I.N.; Novoselova, N.V.; Cherepovskii, Y.A.

[Text] / I. N. Tretyakova, E. V. Bazhina // Ekol. Bratisl. - 2000. - Vol. 19, Is. 3. - P280-294. - Cited References: 49 . - 15. - ISSN 1335-342XРУБ Ecology

Аннотация: Structure of crown and viability of generative organs of Siberian fir were studied in disturbed forest ecosystems near Baikal Lake. The crown structure changes in damaged trees: a zone of subapical drying appears and apical dominance is lost. Needle chlorosis and necrosis appear and proceed in sprouts of male sexualization. The tree top including the female generative organs does not show degradation symptoms during about 30 years and produces seed cones. Processes of degradation in male generative zone greatly influence on fir tree pollen. Pollen viability of fir trees varied from year to year in different trees but always pollen quality of trees growing in the Khamar-Daban Mts in the air pollution zone was more poor in comparison with the pollen of trees at die Baikal Lake shore. Tree pollen growing in the Khamar-Daban Mts germinates in vitro but pollen tubes are formed short and not viable. Seed quality of fir trees is very low, A lot of seeds are sterile. Empty seeds prevail. The formation of empty seeds was caused by the low pollen germination in ovules and as a whole absence of pollen in ovules. The high sterility of generative organs and especially of Abies sibirica pollen can limit gametic selection and decrease fir diversity in forest ecosystems near Baikal Lake.

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Держатели документа:
RAS, SB, VN Sukachev Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Tretyakova, I.N.; Bazhina, E.V.

[Text] / N. E. Noskova, I. N. Tretyakova, E. N. Muratova // Biol. Bull. - 2009. - Vol. 36, Is. 3. - P317-322, DOI 10.1134/S1062359009030133. - Cited References: 19. - This work was supported by the Russian Foundation for Basic Research (project no. 02-04-48168). . - 6. - ISSN 1062-3590РУБ Biology

Аннотация: The prolongation of the warm season during autumn, which has become typical for Siberia in the past 5-6 years, has caused changes in the terms of reproductive processes in microsporangia of Scotch pine in the Krasnoyarsk region. Meiosis has started to begin in the autumn of the year preceding pollination, and then come to an end the next spring, whereas usually this process has occurred in the spring of the year of pollination. Under such conditions the division of microsporocytes is accompanied by different abnormalities, causing various anomalies and the incomplete development of pollen grains.

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Держатели документа:
[Noskova, N. E.
Tretyakova, I. N.
Muratova, E. N.] Russian Acad Sci, Sukachev Inst Forestry, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Noskova, N.E.; Tretyakova, I.N.; Muratova, E.N.; Russian Foundation for Basic Research [02-04-48168]

[Текст] / I. N. Tretyakova, E. V. Bazhina // Izv. Akad. Nauk Ser. Biol. - 1995. - Is. 6. - С. 685-692. - Cited References: 46 . - 8. - ISSN 0002-3329РУБ Biology

Аннотация: The reproductive sphere of the Siberian fir was studied in disturbed forest ecosystems near Lake Baikal. The crown morphostructure changes in damaged trees: a zone of subapical drying appears, apical dominance is lost, and the crown shape becomes weeping. Destructive processes appear and proceed in sprouts of male sexualization. It is proposed that the male reproductive sphere is highly susceptible to ecological stress.


Доп.точки доступа:
Tretyakova, I.N.; Bazhina, E.V.

[Text] / K. V. Krutovsky [et al.] // In Vitro Cell. Dev. Biol.-Plant. - 2014. - Vol. 50, Is. 5. - P655-664, DOI 10.1007/s11627-014-9619-z. - Cited References: 77. - This study was supported by Research Grant No. 14.Y26.31.0004 from the Government of the Russian Federation. . - ISSN 1054-5476. - ISSN 1475-2689РУБ Plant Sciences + Cell Biology + Developmental Biology

Аннотация: The objective of this study was to obtain a genetically stable haploid in vitro-derived line from Siberian larch (Larix sibirica Ledeb.) using megagametophyte explants, which then could be used for different molecular genetic studies, including whole genome de novo sequencing. However, cytogenetic analysis and genotyping of 11 microsatellite loci showed high levels of genomic instability and a high frequency of mutation in the obtained megagametophyte-derived callus cultures. All cultures contained new mutations in one or more microsatellite loci.

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[Krutovsky, Konstantin V.] Univ Gottingen, Dept Forest Genet & Forest Tree Breeding, Busgen Inst, D-37077 Gottingen, Germany
[Krutovsky, Konstantin V.] Texas A&M Univ, Dept Ecosyst Sci & Management, College Stn, TX 77843 USA
[Krutovsky, Konstantin V.] Russian Acad Sci, NI Vavilov Inst Gen Genet, Moscow 119333, Russia
[Krutovsky, Konstantin V.
Tretyakova, Iraida N.
Oreshkova, Nataliay V.
Vaganov, Eugene A.] Siberian Fed Univ, Genome Res & Educ Ctr, Krasnoyarsk 660036, Russia
[Tretyakova, Iraida N.
Oreshkova, Nataliay V.
Pak, Maria E.
Kvitko, Olga V.] Russian Acad Sci, Lab Forest Genet & Select, VN Sukachev Inst Forest, Siberian Branch, Krasnoyarsk 660036, Russia
[Vaganov, Eugene A.] Siberian Fed Univ, Dept Ecol & Environm Studies, Inst Econ Management & Environm Studies, Krasnoyarsk 660041, Russia
ИЛ СО РАН

Доп.точки доступа:
Krutovsky, K.V.; Tretyakova, I.N.; Oreshkova, N.V.; Pak, M.E.; Kvitko, O.V.; Vaganov, E.A.; Government of the Russian Federation [14.Y26.31.0004]

/ I. N. Tretyakova [et al.] // Russ. J. Plant Physiol. - 2016. - Vol. 63, Is. 6. - P800-810, DOI 10.1134/S1021443716050137 . - ISSN 1021-4437
Аннотация: Morphogenesis and maturation of somatic embryos, ploidy, and genotyping of cell lines (CL) of embryogenic cultures of Larix sibirica Ledeb. in vitro were investigated during 2–6 years. It was revealed that from 2000 to 11103 globular somatic embryos were formed in proliferating CL. However, the ability of somatic embryos to the maturation and germination decreased. Cytogenetic study of embryonal-suspensor masses (ESM) of Larix sibirica demonstrated that cells of long-term cultivated cultures remained diploid. According to microsatellite analysis, proliferating CL of Siberian larch were characterized by weak allelic variability, and cell line 6 and cloned seedlings of this line were genetically stable and corresponded to the donor tree. Embryogenic cell lines composed the collection bank, which will be successfully used for plantation forest growing. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Sukachev Institute of Forest, Russian Academy of Science, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Park, M. E.; Ivanitskaya, A. S.; Oreshkova, N. V.

/ I. N. Tretyakova, A. V. Lukina // Russ. J. Dev. Biol. - 2017. - Vol. 48, Is. 5. - P340-346, DOI 10.1134/S1062360417050083. - Cited References:19. - I thank D.SC. Med. Sci. Prof. S.N. Goroshkevich for providing samples of hybrid cones of Pinus sibirica. The study was supported by the Russian Foundation for Basic Research, project no. 15-04-01427, and the Government of Krasnoyarskii krai, Krasnoyarsk Regional Fund for Support of Scientific and Scientific-Technical Activities, project no. 16-44-240509. . - ISSN 1062-3604. - ISSN 1608-3326РУБ Developmental Biology

Аннотация: Cytoembryological research of the ovules in experiments with interspecific hybridization of Pinus sibirica (pollination be the pollen of P. koraiensis, P. armandii, P. parviflora, P. strobus, P. hokkaidensis, P. wallichiana, P. monticola, and P. Nembra) revealed that the development of megagametophytes occurred in them by the usual scenario and resulted in the formation of mature archegonia. Pollen successfully germinated on the nucellus of ovules. However, disturbances were observed in the process of male gametophyte development, and pollen tubes on the nucellus were not visible by the period of archegonia maturation. Fertilization was usually absent. The development of embryonic channel is determined by egg cell maturity. The only exception was the variant of the controlled pollination of Pinus sibirica x P. Nembra, in which the embryo has been formed.

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Russian Acad Sci, Special Dept Forest Inst, Krasnoyarsk Sci Ctr, Fed Res Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Tretyakova, I. N.; Lukina, A. V.; Russian Foundation for Basic Research [15-04-01427]; Government of Krasnoyarskii krai, Krasnoyarsk Regional Fund for Support of Scientific and Scientific-Technical Activities [16-44-240509]

/ I. N. Tretyakova [et al.] // Plant Cell Tissue Organ Cult. - 2018, DOI 10.1007/s11240-018-01533-y . - Article in Press. - ISSN 0167-6857
Аннотация: We carried out immunoassay of plant hormones [indoleacetic acid (IAA), cytokinins and abscisic acid (ABA)] in the extracts from explants (megagametophytes and embryos) and from four long-term proliferating embryogenic cell lines of Larix sibirica. Immunohistochemical detection of hormones has also been performed at the stage of initiation of somatic embryogenesis and in embryogenic cultures during the process of somatic embryo morphogenesis. During induction of somatic embryogenesis in tissue culture, the first stage of cell development is manifested in their elongation and polarization. Immunohistochemical analysis of hormones showed localization of IAA at one pole of elongated cells of L. sibirica. The polarity of embryogenic structure development persisted later on. The difference has been shown in the content of hormones between the explants and embryogenic cultures. High level of hormones was detected in the cell line (Cl4), distinguished by great number of globular embryos and high capacity for their maturation. Hybrid line Cl5 (L. sibirica ? L. sukaszewii) formed very short suspensor, accumulated higher amount of ABA in the head of somatic embryos (SEs) than did other lines, while SEs of this cell line did not maturate. Cl6 was characterized by low plant hormones content in proliferating embryogenic cultures and low yield of mature somatic embryos. © 2018, Springer Nature B.V.

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Держатели документа:
Siberian Branch, Federal Research Center «Krasnoyarsk Science Center SB RAS», V.N. Sukachev Institute of Forest, Russian Academy of Sciences, Akademgorodok 50/28, Krasnoyarsk, 660036, Russian Federation
Institute of Biology, Ufa Federal Research Center, Russian Academy of Sciences, Prospect Oktyabrya 69, Ufa, 450054, Russian Federation
Department of Biology, Bashkir State University, Validi 32, Ufa, 450076, Russian Federation

Доп.точки доступа:
Tretyakova, I. N.; Kudoyarova, G. R.; Park, M. E.; Kazachenko, A. S.; Shuklina, A. S.; Akhiyarova, G. R.; Korobova, A. V.; Veselov, S. U.

/ I. N. Tretyakova [et al.] // Russ. J. Dev. Biol. - 2018. - Vol. 49, Is. 6. - P370-380, DOI 10.1134/S1062360419010053. - Cited References:18. - The study was financially supported by the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, and the Krasnoyarsk Regional Science Foundation (project nos. 16-44-240509 and 18-44-243004). . - ISSN 1062-3604. - ISSN 1608-3326РУБ Developmental Biology

Аннотация: In vitro cultivation of embryogenic cultures of Siberian larch on AI medium supplemented with different concentrations of antimicrobial peptides of two Trichoderma species, T.citrinoviride (strain TYVI 4/11) and T. viride (strain 346), has been performed to achieve a direct antimicrobial effect and initiate the mechanisms of induced resistance (regulatory function of embryogenic cultures) as well as to study the morphogenesis and growth activity of regenerant plants. The experiment was arranged using four cell lines, CL4, CL5, CL6, and CL12, differing in their embryogenic activity. The effect of treatment of cell cultures with Trichoderma peptides was manifested via significant growth stimulation of proliferating embryogenic cell lines, root growth stimulation, and formation of callus excrescences on regenerant plants. No difference between the treated and untreated variants was observed in seedlings. Conceivably, such peptide treatment may provide an increased immunity of soil-grown seedlings in forest nurseries. Study of the effect of biocontrol strains' use in a plantation reforestation to stimulate the growth and development of calluses and embryos and to obtain disease-resistant regenerant plants of conifer species will provide the development of a clonal silviculture, a new trend that recently appeared abroad (Park 2002, 2014).

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Russian Acad Sci, Siberian Branch, Sukachev Inst Forest, Krasnoyarsk 660036, Russia.
Gauze Inst New Antibiot, Moscow 119021, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Shemyakin Ovchinnikov Inst Bioorgan Chem, Moscow 117997, Russia.

Доп.точки доступа:
Tretyakova, I. N.; Park, M. E.; Baranova, A. A.; Lisetskaya, I. A.; Shuklina, A. S.; Rogozhin, E. A.; Sadykova, V. S.; Russian Foundation for Basic Research; Government of Krasnoyarsk krai; Krasnoyarsk Regional Science Foundation [16-44-240509, 18-44-243004]

/ I. N. Tretyakova, E. A. Rogozhin, M. E. Pak [et al.] // Biol. Bull. - 2020. - Vol. 47, Is. 3. - P225-236, DOI 10.1134/S1062359020030097. - Cited References:38. - This work was conducted within the framework of a Budget Project of Sukachev Institute of Forests, Siberian Branch, Russian Academy of Sciences, Federal Research Center Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences"(project no. 0356-2017-0741) and supported by the Russian Foundation for Basic Research, the Government of Krasnoyarsk region, and the Krasnoyarsk Regional Science Foundation within the framework of research project no. 16-44-240509 "The Development of Biotechnology for the Production of Embryogenic Cultures of Siberian Larch Resistant to Fungal Diseases and Pests with the Use of Protective Antimicrobial Peptides in vitro" and no. 18-44-243004 "In vitro Studies of the Effect of Biologically Active Peptides of Plant and Microbial Origin on the Growth and Development of Conifers in Early Ontogenesis." . - ISSN 1062-3590. - ISSN 1608-3059РУБ Biology

Аннотация: The effect of plant antimicrobial peptides on the initiation of callus and embryonal suspensor masses, formation of somatic embryos, and germination of regenerants of Siberian larch has been studied. Protein/peptide extracts isolated fromAmarantus retroflexus(seeds),Nigella sativa(seeds), andElytrigia elongata(spikelets) have been used as objects of plant origin. Peptides have been introduced into the nutrient media at the stage of initiation of embryogenic cultures and somatic embryo germination. The stimulating effect of peptides on the formation of embryogenic cultures of Siberian larch has been found. No other differences in the dynamics of growth in the control and experimental regenerants have been observed. This study is supposed to contribute to enhancing the immunity of the clonal planting stock of Siberian larch.

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Держатели документа:
Russian Acad Sci, Sukachev Inst Forests, Siberian Branch, Div Fed Res Ctr Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Shemyakin Ovchinnikov Inst Bioorgan Chem, Moscow 117997, Russia.
Gause Inst New Antibiot, Moscow 119021, Russia.
Tyumen State Univ, Tyumen 625003, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Tretyakova, I. N.; Rogozhin, E. A.; Pak, M. E.; Petukhova, I. A.; Shuklina, A. S.; Pahomova, A. P.; Sadykova, V. S.; Federal Research Center Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences [0356-2017-0741]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk region; Krasnoyarsk Regional Science Foundation [16-44-240509, 18-44-243004]

/ I. N. Tretyakova, E. A. Rogozhin, M. E. Pak [et al.] // Biol. Bull. - 2020. - Vol. 47, Is. 3. - P225-236, DOI 10.1134/S1062359020030097 . - ISSN 1062-3590
Аннотация: Abstract: The effect of plant antimicrobial peptides on the initiation of callus and embryonal suspensor masses, formation of somatic embryos, and germination of regenerants of Siberian larch has been studied. Protein/peptide extracts isolated from Amarantus retroflexus (seeds), Nigella sativa (seeds), and Elytrigia elongata (spikelets) have been used as objects of plant origin. Peptides have been introduced into the nutrient media at the stage of initiation of embryogenic cultures and somatic embryo germination. The stimulating effect of peptides on the formation of embryogenic cultures of Siberian larch has been found. No other differences in the dynamics of growth in the control and experimental regenerants have been observed. This study is supposed to contribute to enhancing the immunity of the clonal planting stock of Siberian larch. © 2020, Pleiades Publishing, Inc.

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Держатели документа:
Sukachev Institute of Forests, Siberian Branch, Russian Academy of Sciences, Division of Federal Research Center “Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences”, Krasnoyarsk, 660036, Russian Federation
Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russian Federation
Gause Institute of New Antibiotics, Moscow, 119021, Russian Federation
Tyumen State University, Tyumen, 625003, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Tretyakova, I. N.; Rogozhin, E. A.; Pak, M. E.; Petukhova, I. A.; Shuklina, A. S.; Pahomova, A. P.; Sadykova, V. S.

/ N. V. Semenova, V. N. Shmakov, M. E. Park [и др.] // Biol. Membr. - 2020. - Vol. 37, Is. 3. - С. 215-223, DOI 10.31857/S0233475520020127. - Cited References:41 . - ISSN 0233-4755РУБ Cell Biology

Аннотация: It was found that glycerides were dominant for both types of cell lines. It was found that triglycerides (TG) and 1,2-diglycerides (1,2-DG) accumulated 1.5-3 times more actively in embryogenic cell lines, which was probably connected with the necessity of the involvement of TG and 1,2-DG in the processes of tissue differentiation. A high relative content of free fatty acids (FFA) was also characteristic of the embryogenic lines. The found differences in the ratio of sterols to their ethers (the content of sterol esters was 1.5-3 times lower in embryogenic cell lines) can indicate that sterols get activated from their inert form to contribute to the embryogenesis processes at a stage of embryo formation.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Siberian Inst Plant Physiol & Biochem, Irkutsk 664033, Russia.
Russian Acad Sci, Siberian Branch, Sukachev Inst Forest, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Semenova, N., V; Shmakov, V. N.; Park, M. E.; Tretyakova, I. N.; Konstantinov, Yu M.; Dudareva, L., V

/ I. N. Tretyakova, A. S. Shuklina, M. E. Park [et al.] // Cytologia. - 2021. - Vol. 86, Is. 1. - P55-60, DOI 10.1508/CYTOLOGIA.86.55 . - ISSN 0011-4545
Аннотация: The contents of auxin (indole-3-acetic acid, IAA), cytokinins, and abscisic acid (ABA) were determined in explants (megagametophyte and embryo), proliferating embryonal-suspensor mass (ESM), and non-embryogenic callus of Pinus sibirica and Larix sibirica. Furthermore, the localization of hormones in the cells was studied with immunohistochemical analysis. It was shown that the formation of embryogenic cultures in both species is associated with the content of phytohormones and their localization in cells. In L. sibirica the content of IAA in ESM was about 100 times higher than in non-embryogenic calli. At the same time, a low ABA content was characteristic of embryogenic cultures. Non-embryogenic callus contains an increased content of cytokinins and ABA. The transition of somatic cells to the path of embryogenic development is characterized by elongation of cells, their asymmetric division, and localization of IAA at one of the ends of elongated cells. Nonembryogenic callus consisted of isodiametric, actively dividing cells. © 2021 The Japan Mendel Society.

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Держатели документа:
Sukachev Institute of Forest, Russian Academy of Sciences, Siberian Branch, Federal Research Center Krasnoyarsk Science Center SB RAS, Akademgorodok 50/28, Krasnoyarsk, 660036, Russian Federation
State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin, 150040, China
Institute of Biology, Russian Academy of Sciences, Ufa Research Center RAS, pr-t Oktyabrya 69, Ufa, 450054, Russian Federation

Доп.точки доступа:
Tretyakova, I. N.; Shuklina, A. S.; Park, M. E.; Yang, L.; Akhiyarova, G. R.; Kudoyarova, G. R.

/ I. N. Tretyakova, V. V. Mineev // Russ. J. Dev. Biol. - 2021. - Vol. 52, Is. 2. - P75-86, DOI 10.1134/S1062360421020089. - Cited References:105. - The work was performed within the framework of the budget project of the Federal State Budgetary Scientific Institution Sukachev Institute of Forest (Division of the Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences) (project no. 0356-2019-0024 Biodiversity of Indigenous Coniferous and Derived Forest Ecosystems) as well as with partial financial support from the grant Russian Foundation for Basic Research, no. 18-54-00010 Bel_a Molecular Genetic Markers of Somatic Embryogenesis in Conifers and by a grant of the Russian Foundation for Basic Research and the Government of Krasnoyarsk krai, Krasnoyarsk Regional Science Foundation, no. 19-44-240009 Regenerative Potential of Embryogenic Coniferous Cultures In Vitro Treated with Antimicrobial Peptides of Fungal and Plant Origin. . - ISSN 1062-3604. - ISSN 1608-3326РУБ Developmental Biology

Аннотация: The article presents the results of the analysis of available data on the reproduction (sexual reproduction and asexual reproduction or apomixis) of plants of the Pinopsida class. The realization of apomixis in conifers was considered. This method of asexual reproduction is manifested in cases of seed formation's disruption. A specific type of reproduction in conifers is somatic embryogenesis in in vitro culture. It is shown that the transition of somatic cells to the totipotent and embryogenic state in conifers occurs at the morphogenetic, physiological-biochemical, and molecular genetics levels. The commonality of morphogenetic processes underlying somatic and zygotic embryogenesis is revealed. The position of somatic embryogenesis in the reproduction system of conifers is considered.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Sukachev Inst Forest,Div Fed Res Ctr, Krasnoyarsk 660036, Russia.
Astafiev Krasnoyarsk State Pedag Univ, Krasnoyarsk 660049, Russia.

Доп.точки доступа:
Tretyakova, I. N.; Mineev, V. V.; Federal State Budgetary Scientific Institution Sukachev Institute of Forest (Division of the Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences) [0356-2019-0024]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-54-00010 Bel_a, 19-44-240009]; Government of Krasnoyarsk krai, Krasnoyarsk Regional Science Foundation [19-44-240009]