Výsledky vyhledávání - "Ewa Kępczyńska"

Akademický článek

Polish Contribution to Global Research on Somatic Embryogenesis

Autor: Anna Mikuła, Małgorzata Gaj, Małgorzata Grzyb, Teresa Hazubska-Przybył, Ewa Kępczyńska, Jan Kępczyński, Jan Rybczyński, Karolina Tomiczak, Anna M. Wójcik

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 91, Iss 0 (2022)

Somatic embryogenesis (SE) is a complex process that begins with regaining totipotency in some somatic cells, proceeds through embryo development and maturation, and ends with the formation of a whole plant. Since the first publications on SE in 1958

Externí odkaz: https://doaj.org/article/89b97b303cb74644a9da98d6b1d50d41

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Akademický článek

Plant-Derived Smoke and Karrikin 1 in Seed Priming and Seed Biotechnology

Autor: Jan Kępczyński, Ewa Kępczyńska

Publikováno v: Plants, Vol 12, Iss 12, p 2378 (2023)

Plant-derived smoke and smoke water (SW) can stimulate seed germination in numerous plants from fire-prone and fire-free areas, including cultivated plants and agricultural weeds. Smoke contains thousands of compounds; only several stimulants and inh

Externí odkaz: https://doaj.org/article/aad9696105114710a38e7f24f28c2289

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Akademický článek

BACTERIAL CHITINASES AND THEIR APPLICATION IN BIOTECHNOLOGY

Autor: Anna Kisiel, Ewa Kępczyńska

Publikováno v: Postępy Mikrobiologii, Vol 56, Iss 3 (2017)

Externí odkaz: https://doaj.org/article/4dfc616efaaf4c44bd68eb6ebedb156d

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Akademický článek

Gene expression and metabolite profiling of gibberellin biosynthesis during induction of somatic embryogenesis in Medicago truncatula Gaertn.

Autor: Rafał Igielski, Ewa Kępczyńska

Publikováno v: PLoS ONE, Vol 12, Iss 7, p e0182055 (2017)

Gibberellins (GAs) are involved in the regulation of numerous developmental processes in plants including zygotic embryogenesis, but their biosynthesis and role during somatic embryogenesis (SE) is mostly unknown. In this study we show that during th

Externí odkaz: https://doaj.org/article/aac0b3a093294fce80cf599771ccd879

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Involvement of O2·− in the regulation of Polycomb, Trithorax and LEC1, L1L, WUS, WOX5, STM gene expression during somatic embryogenesis induction in M. truncatula

Autor: Ewa Kępczyńska, Anna Orłowska

Publikováno v: Plant Cell, Tissue and Organ Culture (PCTOC). 142:201-212

2,4-dichlorophenoxyacetic acid (2,4-D), an auxinic herbicide, in many in vitro somatic embryogenesis systems is used to induce embryogenesis. This compound present at a low concentration (0.5 µM) during the induction phase, is necessary for M. trunc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e68797b90bf2f8065cd6be6c9db09a66
https://doi.org/10.1007/s11240-020-01854-x

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Oxidative status in Medicago truncatula Gaertn. non-embryogenic and embryogenic tissues with particular reference to somatic embryogenesis

Autor: Ewa Kępczyńska, Anna Orłowska

Publikováno v: Plant Cell, Tissue and Organ Culture (PCTOC). 140:35-48

Abiotic stress conditions (e.g., wounding, sterilization) are often together with plant growth regulators (e.g., 2,4-d), considered as one of the most important factors initiating plant somatic embryogenesis (SE). The first goal of this work was to a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d07e177daad0103d509a46efaed0125
https://doi.org/10.1007/s11240-019-01709-0

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Profiles of endogenous ABA, bioactive GAs, IAA and their metabolites in Medicago truncatula Gaertn. non-embryogenic and embryogenic tissues during induction phase in relation to somatic embryo formation

Autor: Anna Orłowska, Ewa Kępczyńska

Publikováno v: Planta

Main conclusion During the 3-week-long induction phase, when M. truncatula cells leaf explants from non-embryogenic genotype (M9) and embryogenic variant (M9-10a) were forming the callus, biosynthesis and degradation of ABA, Gas and IAA proceeded at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::094269dd2d7e4b5fb36a7201c26f22b6
https://pubmed.ncbi.nlm.nih.gov/33586054

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Identification of Polycomb Repressive Complex1, Trithorax group genes and their simultaneous expression with WUSCHEL, WUSCHEL-related Homeobox5 and SHOOT MERISTEMLESS during the induction phase of somatic embryogenesis in Medicago truncatula Gaertn

Autor: Ewa Kępczyńska, Anna Orłowska

Publikováno v: Plant Cell, Tissue and Organ Culture (PCTOC). 134:345-356

The Polycomb Repressive Complex1 (LHP1, RING1, BMI1, EMF1, VRN1) and Trithorax group (ATX2, ATX3.1, ATX3.2, ATX5-like) genes, were for the first time identified in the genome of Medicago truncatula. Their expression, along with that of the earlier-id

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0de4e7d9384ab6ca9d3a3fe7ec286438
https://doi.org/10.1007/s11240-018-1425-6

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Medicago truncatula root developmental changes by growth-promoting microbes isolated from Fabaceae, growing on organic farms, involve cell cycle changes and WOX5 gene expression

Autor: Ewa Kępczyńska, Piotr Karczyński

Publikováno v: Planta. 251(1)

Both root nodules and the rhizosphere of Fabaceae plants grown on organic farms are a rich source of bacteria, mainly from the families Enterobacteriaceae and Pseudomonadaceae. The enhanced root system growth in M. truncatula after inoculation with s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad4626b8185a1bbfa8a5df99d2dc3e47
https://pubmed.ncbi.nlm.nih.gov/31784832

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