: материалы временных коллективов / O. V. Kvitko, E. V. Bazhina, E. N. Muratova // Climatic changes and their impact on boreal and temperate forests: Abstracts of the International conference (June 5-7, Ekaterinburg, Russia) : Ural State Forest Engineering University, 2006. - С. 54
Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок 50/28
Доп.точки доступа:
Bazhina, Elena Vasil'yevna; Бажина, Елена Васильевна; Muratova, Elena Nikolayevna; Муратова, Елена Николаевна; Квитко, Ольга Викторовна
Труды сотрудников ИЛ им. В.Н. Сукачева СО РАН
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Найдено документов в текущей БД: 11
Meiosis at microsporogenesis in Siberian fir (Abies Sibirica Ledeb.) in natural populations and in arboretum
Meiosis at microsporogenesis in Siberian fir (Abies sibirica Ledeb.) in natural populatios of Ukrainian forests
: материалы временных коллективов / O. V. Kvitko, E. V. Bazhina, E. N. Muratova // Climate change and their impact on boreal and temperate forests: Abstracts of the International Conference (June 5-7, 2006, Ekaterinburg, Russia). - 2006. - С. 54
Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок, 50, стр., 28
Доп.точки доступа:
Bazhina, Elena Vasil'yevna; Бажина, Елена Васильевна; Muratova, Elena Nikolaevna; Муратова, Елена Николаевна; Квитко, Ольга Викторовна
Имеются экземпляры в отделах:
РСФ (31.01.2008г. (1 экз.) - Б.ц.) - свободны 1
Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок, 50, стр., 28
Доп.точки доступа:
Bazhina, Elena Vasil'yevna; Бажина, Елена Васильевна; Muratova, Elena Nikolaevna; Муратова, Елена Николаевна; Квитко, Ольга Викторовна
Имеются экземпляры в отделах:
РСФ (31.01.2008г. (1 экз.) - Б.ц.) - свободны 1
Meiosis at microsporogenesis in Siberian fir (Abies sibirica Ledeb.) in natural populations and in an arboretum
: материалы временных коллективов / E. V. Bazhina, O. V. Kvitko, E. N. Muratova // Eurasian Journal of Forest Research. - 2008. - Vol. 11-1. - С. 41-49. - Библиогр. в конце ст.
Аннотация: Meiosis in Siberian fir is characterized by asynchrony (prophase I and tetrads in the same microsporangium simultaneously). Up to 4 nucleoli (in naturals stands) and 5 (in an arboretum) are observed at prophase I. The shortest meiotic stages are telophase I and 2. Each of them is observed in 0.2% (in an arboretum) and 0.05% (in natural stands) of cells. In natural stands meiosis elapses quickly (within 2 days). In an arboretum it can continue for more than two weeks. Mainly meiosis is regular. Meiotic irregilarities are, though, also encountered at different stages (fragments, bridges, etc.). In trees growing in an arboretum the total number of irregular cells can reach 17.9%. In natural populations only 11.7-13.3% of cells are irregular. The spectrum of meiotic irregularities in an arboretum is wider than in natural stands.
Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок, 50, стр., 28
Доп.точки доступа:
Kvitko, Ol'ga Viktorovna; Квитко, Ольга Викторовна; Muratova, Elena Nikolayevna; Бажина, Елена Васильевна
Аннотация: Meiosis in Siberian fir is characterized by asynchrony (prophase I and tetrads in the same microsporangium simultaneously). Up to 4 nucleoli (in naturals stands) and 5 (in an arboretum) are observed at prophase I. The shortest meiotic stages are telophase I and 2. Each of them is observed in 0.2% (in an arboretum) and 0.05% (in natural stands) of cells. In natural stands meiosis elapses quickly (within 2 days). In an arboretum it can continue for more than two weeks. Mainly meiosis is regular. Meiotic irregilarities are, though, also encountered at different stages (fragments, bridges, etc.). In trees growing in an arboretum the total number of irregular cells can reach 17.9%. In natural populations only 11.7-13.3% of cells are irregular. The spectrum of meiotic irregularities in an arboretum is wider than in natural stands.
Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок, 50, стр., 28
Доп.точки доступа:
Kvitko, Ol'ga Viktorovna; Квитко, Ольга Викторовна; Muratova, Elena Nikolayevna; Бажина, Елена Васильевна
Microsporogenesis and pollen formation in Scotch pine (Pinus sylvestris L.) under modern climatic conditions of Siberia
[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 1062-3590
РУБ 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.
Полный текст,
WOS,
Scopus
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]
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.
Полный текст,
WOS,
Scopus
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]
Specific features of meiosis in the Siberian Fir (Abies sibirica) in the forest Arboretum of the V. N. Sukachev Institute, Russia
/ E. V. Bazhina, O. V. Kvitko, E. N. Muratova // Biodiversity and Conservation. - 2011. - Vol. 20, Is. 2. - P415-428, DOI 10.1007/s10531-010-9958-y
. - ISSN 0960-3115
Кл.слова (ненормированные):
Ex situ conservation -- Horticulture -- Meiotic irregularities -- Pollen sterility -- climate change -- climate effect -- coniferous tree -- environmental factor -- horticulture -- palynology -- plantation forestry -- reproductive biology -- species conservation -- sterility -- Russian Federation -- Abies -- Abies sibirica -- Coniferophyta
Аннотация: Investigating the tolerance of plant reproductive systems to environmental changes has become a research priority under current climate change scenarios. Successful plant conservation requires knowledge of plant reproductive biology, particularly the meiotic characteristics of planted species. Meiosis, as part of microsporogenesis, is a critical plant developmental stage controlling future pollen quality. Meiosis in a Siberian fir (Abies sibirica) plantation, established in the Forest Arboretum of the Sukachev Institute, Russia, was studied from 2002 to 2004. The microsporogenesis pattern found for the Siberian fir appeared to be largely similar to that exhibited by other conifer species. Meiosis in the Siberian fir has the following characteristics: asynchrony, rapid progression of telophases I and II, and parallel and linear spindle arrangements at different meiosis II stages. General and specific meiosis irregularities were recorded at each stage. Some specific features of meiosis and the specific development of some irregularities were revealed. Pollen development analysis showed that irregular pollen grains made up less than 1% of all grains. The specific features of meiosis identified in fir trees growing in the Arboretum indicated low resistance of male reproductive structures to climatic changes and might account for high fir pollen sterility in this new environment. В© 2010 Springer Science+Business Media B.V.
Scopus,
WOS,
Полный текст
Держатели документа:
V. N. Sukachev Institute of Forest, Academgorodok, 50-28, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Bazhina, E.V.; Kvitko, O.V.; Muratova, E.N.
Кл.слова (ненормированные):
Ex situ conservation -- Horticulture -- Meiotic irregularities -- Pollen sterility -- climate change -- climate effect -- coniferous tree -- environmental factor -- horticulture -- palynology -- plantation forestry -- reproductive biology -- species conservation -- sterility -- Russian Federation -- Abies -- Abies sibirica -- Coniferophyta
Аннотация: Investigating the tolerance of plant reproductive systems to environmental changes has become a research priority under current climate change scenarios. Successful plant conservation requires knowledge of plant reproductive biology, particularly the meiotic characteristics of planted species. Meiosis, as part of microsporogenesis, is a critical plant developmental stage controlling future pollen quality. Meiosis in a Siberian fir (Abies sibirica) plantation, established in the Forest Arboretum of the Sukachev Institute, Russia, was studied from 2002 to 2004. The microsporogenesis pattern found for the Siberian fir appeared to be largely similar to that exhibited by other conifer species. Meiosis in the Siberian fir has the following characteristics: asynchrony, rapid progression of telophases I and II, and parallel and linear spindle arrangements at different meiosis II stages. General and specific meiosis irregularities were recorded at each stage. Some specific features of meiosis and the specific development of some irregularities were revealed. Pollen development analysis showed that irregular pollen grains made up less than 1% of all grains. The specific features of meiosis identified in fir trees growing in the Arboretum indicated low resistance of male reproductive structures to climatic changes and might account for high fir pollen sterility in this new environment. В© 2010 Springer Science+Business Media B.V.
Scopus,
WOS,
Полный текст
Держатели документа:
V. N. Sukachev Institute of Forest, Academgorodok, 50-28, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Bazhina, E.V.; Kvitko, O.V.; Muratova, E.N.
Specific features of microsporogenesis in the Siberian larch growing under the conditions of technogenic load
/ L. I. Romanova, I. N. Tret'yakova // Ontogenez. - 2005. - Vol. 36, Is. 2. - С. 128-134
. - ISSN 0475-1450
Кл.слова (ненормированные):
Aberrations -- Asynchrony -- Meiosis -- Microsporocytes -- Technogenic pollution -- Tetrads -- air pollutant -- article -- Larix -- meiotic prophase I -- physiology -- pollen -- season -- ultrastructure -- Air Pollutants -- Larix -- Meiotic Prophase I -- Pollen -- Seasons
Аннотация: Studies of microsporogenesis in the Siberian larch growing in Krasnoyarsk and its suburbs have shown that meiosis starts in October. Microsporocytes winter at prophase I (leptoneme, diploneme). Reduction divisions in male generative buds are resumed and terminated in spring, in March. However, in the case of thaws during the autumn-winter period, meiotic division proceeds in the larch buds and this leads to the formation of degrading tetrads and pollen. Hence, the organic quiescence is absent in the larch in winter. It was shown that in the larch growing in the city, meiosis proceed more asynchronously than in the background tree stands. An increase of chromosomal aberrations during the reduction division was noted under the conditions of technogenic pollution.
Scopus,
Полный текст,
Scopus
Держатели документа:
Siberian State Technological University, pr. Mira 82, Krasnoyarsk, 660049, Russian Federation
Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Romanova, L.I.; Tret'yakova, I.N.
Кл.слова (ненормированные):
Aberrations -- Asynchrony -- Meiosis -- Microsporocytes -- Technogenic pollution -- Tetrads -- air pollutant -- article -- Larix -- meiotic prophase I -- physiology -- pollen -- season -- ultrastructure -- Air Pollutants -- Larix -- Meiotic Prophase I -- Pollen -- Seasons
Аннотация: Studies of microsporogenesis in the Siberian larch growing in Krasnoyarsk and its suburbs have shown that meiosis starts in October. Microsporocytes winter at prophase I (leptoneme, diploneme). Reduction divisions in male generative buds are resumed and terminated in spring, in March. However, in the case of thaws during the autumn-winter period, meiotic division proceeds in the larch buds and this leads to the formation of degrading tetrads and pollen. Hence, the organic quiescence is absent in the larch in winter. It was shown that in the larch growing in the city, meiosis proceed more asynchronously than in the background tree stands. An increase of chromosomal aberrations during the reduction division was noted under the conditions of technogenic pollution.
Scopus,
Полный текст,
Scopus
Держатели документа:
Siberian State Technological University, pr. Mira 82, Krasnoyarsk, 660049, Russian Federation
Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Romanova, L.I.; Tret'yakova, I.N.
Meiosis during Microsporogenesis in Siberian Spruce (Picea obovata Ledeb.) in the South of Central Siberia
/ E. V. Bazhina, M. I. Cedaeva, E. N. Muratova // Russ. J. Dev. Biol. - 2019. - Vol. 50, Is. 3. - P113-123, DOI 10.1134/S1062360419030020. - Cited References:61. - The work was supported by the budget project of Sukachev Institute of Forest, Federal Research Center Krasnoyarsk Science Center (Siberian Branch, Russian Academy of Sciences), project no. 0356-20160301, and the Russian Foundation for Basic Research of Belarus, project no. 18-54-00010.
. - ISSN 1062-3604. - ISSN 1608-3326
РУБ Developmental Biology
Аннотация: The results of meiosis studies during microsporogenesis in Siberian spruce (Picea obovata Ledeb.) in the forest ecosystems of the south of Central Siberia are presented. Meiosis features and different types of irregularities were detected. The features of male organ development show a high level of the Siberian spruce's adaptation to the extreme climate of Siberia.
WOS,
Смотреть статью
Держатели документа:
Russian Acad Sci, Sukachev Inst Forest, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Bazhina, E., V; Cedaeva, M., I; Muratova, E. N.; Sukachev Institute of Forest, Federal Research Center Krasnoyarsk Science Center (Siberian Branch, Russian Academy of Sciences) [0356-20160301]; Russian Foundation for Basic Research of Belarus [18-54-00010]
Рубрики:
POLLEN MOTHER CELLS
ABIES-SIBIRICA LEDEB.
PINUS-SYLVESTRIS
Кл.слова (ненормированные):
Siberian spruce -- microsporogenesis -- meiosis -- chromosomes -- meiotic -- irregularities
POLLEN MOTHER CELLS
ABIES-SIBIRICA LEDEB.
PINUS-SYLVESTRIS
Кл.слова (ненормированные):
Siberian spruce -- microsporogenesis -- meiosis -- chromosomes -- meiotic -- irregularities
Аннотация: The results of meiosis studies during microsporogenesis in Siberian spruce (Picea obovata Ledeb.) in the forest ecosystems of the south of Central Siberia are presented. Meiosis features and different types of irregularities were detected. The features of male organ development show a high level of the Siberian spruce's adaptation to the extreme climate of Siberia.
WOS,
Смотреть статью
Держатели документа:
Russian Acad Sci, Sukachev Inst Forest, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Bazhina, E., V; Cedaeva, M., I; Muratova, E. N.; Sukachev Institute of Forest, Federal Research Center Krasnoyarsk Science Center (Siberian Branch, Russian Academy of Sciences) [0356-20160301]; Russian Foundation for Basic Research of Belarus [18-54-00010]
Мегаспорогенез Abies sibirica (Pinaceae) в горах Южной Сибири
/ Е. В. Бажина // Ботанический журнал. - 2021. - Т. 106, № 6. - С. 567-575, DOI 10.31857/S000681362106003X
. - ISSN 0006-8136
Кл.слова (ненормированные):
Abies Sibirica -- женские генеративные почки -- мегаспорогенез -- сроки и темпы развития
Аннотация: Пихта сибирская (Abies sibirica Ledeb.) в горах Южной Сибири характеризуется низким качеством семян. Исследования динамики формирования женских генеративных структур позволяют определить особенности и критические этапы развития семян, а также установить причины нарушений, приводящих к их низкому качеству. Изучено развитие женских генеративных почек и мегаспорогенеза у пихты сибирской в экосистемах гор Южной Сибири. Выявлено, что темпы развития генеративных структур у пихты определяются температурой воздуха, при этом сроки варьируют по годам и в зависимости от локальных погодно-климатических условий произрастания. Мейоз при мегаспорогенезе проходит весной и завершается до опыления. Особенностью мейоза является асинхронность делений не только у разных деревьев, но и в пределах одного мегастробила. Нормальное строение и развитие женских генеративных структур определяют высокий репродуктивный потенциал вида
Siberian fir (Abies sibirica Ledeb.) in the South Siberian mountains is characterized by poor seed quality. Studies of the development of female generative structures can reveal the features and critical stages of seed development, as well as to determine the causes of poor seed quality. The development of female generative buds and megasporogenesis in Siberian fir in the mountains of Southern Siberia was studied. The rate of the development is determined by air temperature and its timing varies somewhat depending on year and local weather and climatic conditions. Meiosis at megasporogenesis occurs in spring and completes before pollination. The peculiarity of the meiosis at megasporogenesis is asynchronous divisions not only in different trees, but also within the same megastrobiles. The normal structure and development of female generative structures determine a high reproductive potential of the species
Статья в РИНЦ
Держатели документа:
Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
ИЛ СО РАН : 660036, Красноярск, Академгородок, 50, стр. 28
Доп.точки доступа:
Бажина, Елена Васильевна; Bazhina, Elena Vasil'yevna
Кл.слова (ненормированные):
Abies Sibirica -- женские генеративные почки -- мегаспорогенез -- сроки и темпы развития
Аннотация: Пихта сибирская (Abies sibirica Ledeb.) в горах Южной Сибири характеризуется низким качеством семян. Исследования динамики формирования женских генеративных структур позволяют определить особенности и критические этапы развития семян, а также установить причины нарушений, приводящих к их низкому качеству. Изучено развитие женских генеративных почек и мегаспорогенеза у пихты сибирской в экосистемах гор Южной Сибири. Выявлено, что темпы развития генеративных структур у пихты определяются температурой воздуха, при этом сроки варьируют по годам и в зависимости от локальных погодно-климатических условий произрастания. Мейоз при мегаспорогенезе проходит весной и завершается до опыления. Особенностью мейоза является асинхронность делений не только у разных деревьев, но и в пределах одного мегастробила. Нормальное строение и развитие женских генеративных структур определяют высокий репродуктивный потенциал вида
Siberian fir (Abies sibirica Ledeb.) in the South Siberian mountains is characterized by poor seed quality. Studies of the development of female generative structures can reveal the features and critical stages of seed development, as well as to determine the causes of poor seed quality. The development of female generative buds and megasporogenesis in Siberian fir in the mountains of Southern Siberia was studied. The rate of the development is determined by air temperature and its timing varies somewhat depending on year and local weather and climatic conditions. Meiosis at megasporogenesis occurs in spring and completes before pollination. The peculiarity of the meiosis at megasporogenesis is asynchronous divisions not only in different trees, but also within the same megastrobiles. The normal structure and development of female generative structures determine a high reproductive potential of the species
Статья в РИНЦ
Держатели документа:
Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
ИЛ СО РАН : 660036, Красноярск, Академгородок, 50, стр. 28
Доп.точки доступа:
Бажина, Елена Васильевна; Bazhina, Elena Vasil'yevna
Peculiarities of meiosis at microsporogenesis in picea obovata (Pinaceae) under introduction
/ E. V. Bazhina, M. I. Sedaeva, E. N. Muratova, E. A. Bazhina // Botanicheskii Zhu. - 2020. - Vol. 105, Is. 12. - С. 1207-1220, DOI 10.31857/S000681362012011X
. - ISSN 0006-8136
Кл.слова (ненормированные):
Chromosomes -- Introduction -- Meiosis -- Meiotic irregularities -- Microsporogenesis -- Picea obovata Ledeb
Аннотация: Investigating the tolerance of plant reproductive systems to environmental changes has become a research pri-ority under current climate change scenarios. The results of the investigations of meiosis at microsporogenesis in Siberian spruce (Picea obovata Ledeb.) under introduction are presented. The meiosis in the Siberian spruce plantation established in the Forest Arboretum of the Sukachev Institute, Russia, was studied in 2018. The microsporogenesis pattern found for the Siberian spruce appeared to be largely similar to that exhibited by other conifer species. The meiosis in the Siberian spruce has the following characteristics: identification of all stages of prophases I; asynchrony in different trees as well as in different meiocytes of the same tree and the same microsporangium; parallel and perpendicular as well as linear spindle arrangements at different meiosis II; irregularities of development at different stages. Some specific meiosis irregularities have never been revealed in natural populations of Central Siberia. The investigations of plant ontogenesis in new conditions of growth show the response of the plants on climate change. The specific features of meiosis identified in the spruce trees growing ex situ indicated high resistance of male reproductive structures to climatic changes. © 2020, Komarov Botanical Institute. All rights reserved.
Scopus
Держатели документа:
V.N. Sukachev Institute of Forest, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50/28, Krasnoyarsk, 660036, Russian Federation
Moscow City University, Vtoroy Selskohoziajstvenny proezd, 4, Moscow, 129226, Russian Federation
Доп.точки доступа:
Bazhina, E. V.; Sedaeva, M. I.; Muratova, E. N.; Bazhina, E. A.
Кл.слова (ненормированные):
Chromosomes -- Introduction -- Meiosis -- Meiotic irregularities -- Microsporogenesis -- Picea obovata Ledeb
Аннотация: Investigating the tolerance of plant reproductive systems to environmental changes has become a research pri-ority under current climate change scenarios. The results of the investigations of meiosis at microsporogenesis in Siberian spruce (Picea obovata Ledeb.) under introduction are presented. The meiosis in the Siberian spruce plantation established in the Forest Arboretum of the Sukachev Institute, Russia, was studied in 2018. The microsporogenesis pattern found for the Siberian spruce appeared to be largely similar to that exhibited by other conifer species. The meiosis in the Siberian spruce has the following characteristics: identification of all stages of prophases I; asynchrony in different trees as well as in different meiocytes of the same tree and the same microsporangium; parallel and perpendicular as well as linear spindle arrangements at different meiosis II; irregularities of development at different stages. Some specific meiosis irregularities have never been revealed in natural populations of Central Siberia. The investigations of plant ontogenesis in new conditions of growth show the response of the plants on climate change. The specific features of meiosis identified in the spruce trees growing ex situ indicated high resistance of male reproductive structures to climatic changes. © 2020, Komarov Botanical Institute. All rights reserved.
Scopus
Держатели документа:
V.N. Sukachev Institute of Forest, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50/28, Krasnoyarsk, 660036, Russian Federation
Moscow City University, Vtoroy Selskohoziajstvenny proezd, 4, Moscow, 129226, Russian Federation
Доп.точки доступа:
Bazhina, E. V.; Sedaeva, M. I.; Muratova, E. N.; Bazhina, E. A.
Megasporogenesis of abies sibirica (Pinaceae) in southern siberia
/ E. V. Bazhina // Botanicheskii Zhu. - 2021. - Vol. 106, Is. 6. - С. 567-575, DOI 10.31857/S000681362106003X
. - ISSN 0006-8136
Кл.слова (ненормированные):
Abies sibirica Ledeb -- Female generative buds -- Megasporogenesis -- Terms and rates of development
Аннотация: Siberian fir (Abies sibirica Ledeb.) in the South Siberian mountains is characterized by poor seed quality. Studies of the development of female generative structures can reveal the features and critical stages of seed development, as well as to determine the causes of poor seed quality. The development of female generative buds and megasporogenesis in Siberian fir in the mountains of Southern Siberia was studied. The rate of the development is determined by air temperature and its timing varies somewhat depending on year and local weather and climatic conditions. Meiosis at megasporogenesis occurs in spring and completes before pollination. The peculiarity of the meiosis at megasporogenesis is asynchronous divisions not only in different trees, but also within the same megastrobiles. The normal structure and development of female generative structures determine a high reproductive potential of the species. © 2021 г.
Scopus
Держатели документа:
V. N. Sukachev Institute of Forest SB RAS, Akademgorodok, 50/28, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Bazhina, E. V.
Кл.слова (ненормированные):
Abies sibirica Ledeb -- Female generative buds -- Megasporogenesis -- Terms and rates of development
Аннотация: Siberian fir (Abies sibirica Ledeb.) in the South Siberian mountains is characterized by poor seed quality. Studies of the development of female generative structures can reveal the features and critical stages of seed development, as well as to determine the causes of poor seed quality. The development of female generative buds and megasporogenesis in Siberian fir in the mountains of Southern Siberia was studied. The rate of the development is determined by air temperature and its timing varies somewhat depending on year and local weather and climatic conditions. Meiosis at megasporogenesis occurs in spring and completes before pollination. The peculiarity of the meiosis at megasporogenesis is asynchronous divisions not only in different trees, but also within the same megastrobiles. The normal structure and development of female generative structures determine a high reproductive potential of the species. © 2021 г.
Scopus
Держатели документа:
V. N. Sukachev Institute of Forest SB RAS, Akademgorodok, 50/28, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Bazhina, E. V.
Кариологические и цитогенетические исследования хвойных в экстремальных условиях произрастания
[Текст] : научное издание / Е. Н. Муратова, Т. С. Седельникова, О. В. Горячкина, А. В. Пименов // сибирский экологический журнал. - 2023. - Т. 30, № 5. - С. 591-602, DOI 10.15372/SEJ20230502
. - ISSN 0869-8619
Кл.слова (ненормированные):
СОСНОВЫЕ -- КИПАРИСОВЫЕ -- ЧИСЛО ХРОМОСОМ -- КАРИОТИП -- ХРОМОСОМНЫЕ И ГЕНОМНЫЕ МУТАЦИИ -- НУКЛЕОЛЯРНЫЕ РАЙОНЫ -- ФЛУОРЕСЦЕНТНАЯ ГИБРИДИЗАЦИЯ IN SITU -- ЭКСТРЕМАЛЬНЫЕ УСЛОВИЯ -- PINACEAE -- CUPRESSACEAE -- CHROMOSOME NUMBER -- KARYOTYPE -- CHROMOSOME AND GENOME MUTATIONS -- NUCLEOLAR REGIONS -- FLUORESCENT HYBRIDIZATION IN SITU -- EXTREME CONDITIONS
Аннотация: Обобщены результаты кариологических и цитогенетических исследований в популяциях видов хвойных семейств Pinaceae и Cupressaceae из экстремальных условий произрастания. У хвойных, произрастающих у южной и северной границ ареалов на экологическом пределе распространения, в антропогенно нарушенных экосистемах, в условиях интродукции, выявлена хромосомная изменчивость, обнаружены геномные и хромосомные мутации различного типа. Отмечены высокая частота изменений числа хромосом (миксоплоидия, анеуплоидия и полиплоидия) и их морфологии. Найдены различные типы хромосомных аномалий (кольцевые и полицентрические хромосомы, фрагменты, множественные хромосомные аномалии), агглютинация хромосом, появление В-хромосом, нарушения митоза и мейоза. С использованием классических методов и флуоресцентной гибридизации in situ (FISH) проведены исследования полиморфизма нуклеолярных районов хромосом, выявлены особенности локусов генов 5S и 45S рибосомной РНК.
Results of karyological and cytogenetical studies in populations of conifer species of Pinaceae and Cupressaceae families from extreme conditions are summarized. In conifers growing in southern and northern borders of areas, on ecological limits of distribution, in anthropogenically disturbed ecosystems, at the introduction, chromosome variability is revealed. A high frequency of changes in the number of chromosomes (mixoploidy, aneuploidy and polyploidy) and their morphology were noted. Different types of chromosome anomalies (ring and polycentric chromosomes, fragments, multiple chromosome irregularities), B-chromosomes occurrence, irregularities of mitosis and meiosis are found. Using classical methods and fluorescent in situ hybridization (FISH), studies of the polymorphism of the nucleolar regions of chromosomes were carried out, and features of the loci of the 5S and 45S ribosomal RNA genes were revealed.
РИНЦ
Держатели документа:
ИЛ СО РАН : 660036, Красноярск, Академгородок, 50, стр. 28
Доп.точки доступа:
Седельникова, Тамара Станиславовна; Sedel'nikova, Tamara Stanislavovna; Горячкина, Ольга Викторовна; Пименов, Александр Владимирович; Pimenov, Alexandr Vladimirovich; Muratova, Elena Nikolayevna
| ГРНТИ |
Кл.слова (ненормированные):
СОСНОВЫЕ -- КИПАРИСОВЫЕ -- ЧИСЛО ХРОМОСОМ -- КАРИОТИП -- ХРОМОСОМНЫЕ И ГЕНОМНЫЕ МУТАЦИИ -- НУКЛЕОЛЯРНЫЕ РАЙОНЫ -- ФЛУОРЕСЦЕНТНАЯ ГИБРИДИЗАЦИЯ IN SITU -- ЭКСТРЕМАЛЬНЫЕ УСЛОВИЯ -- PINACEAE -- CUPRESSACEAE -- CHROMOSOME NUMBER -- KARYOTYPE -- CHROMOSOME AND GENOME MUTATIONS -- NUCLEOLAR REGIONS -- FLUORESCENT HYBRIDIZATION IN SITU -- EXTREME CONDITIONS
Аннотация: Обобщены результаты кариологических и цитогенетических исследований в популяциях видов хвойных семейств Pinaceae и Cupressaceae из экстремальных условий произрастания. У хвойных, произрастающих у южной и северной границ ареалов на экологическом пределе распространения, в антропогенно нарушенных экосистемах, в условиях интродукции, выявлена хромосомная изменчивость, обнаружены геномные и хромосомные мутации различного типа. Отмечены высокая частота изменений числа хромосом (миксоплоидия, анеуплоидия и полиплоидия) и их морфологии. Найдены различные типы хромосомных аномалий (кольцевые и полицентрические хромосомы, фрагменты, множественные хромосомные аномалии), агглютинация хромосом, появление В-хромосом, нарушения митоза и мейоза. С использованием классических методов и флуоресцентной гибридизации in situ (FISH) проведены исследования полиморфизма нуклеолярных районов хромосом, выявлены особенности локусов генов 5S и 45S рибосомной РНК.
Results of karyological and cytogenetical studies in populations of conifer species of Pinaceae and Cupressaceae families from extreme conditions are summarized. In conifers growing in southern and northern borders of areas, on ecological limits of distribution, in anthropogenically disturbed ecosystems, at the introduction, chromosome variability is revealed. A high frequency of changes in the number of chromosomes (mixoploidy, aneuploidy and polyploidy) and their morphology were noted. Different types of chromosome anomalies (ring and polycentric chromosomes, fragments, multiple chromosome irregularities), B-chromosomes occurrence, irregularities of mitosis and meiosis are found. Using classical methods and fluorescent in situ hybridization (FISH), studies of the polymorphism of the nucleolar regions of chromosomes were carried out, and features of the loci of the 5S and 45S ribosomal RNA genes were revealed.
РИНЦ
Держатели документа:
ИЛ СО РАН : 660036, Красноярск, Академгородок, 50, стр. 28
Доп.точки доступа:
Седельникова, Тамара Станиславовна; Sedel'nikova, Tamara Stanislavovna; Горячкина, Ольга Викторовна; Пименов, Александр Владимирович; Pimenov, Alexandr Vladimirovich; Muratova, Elena Nikolayevna