Biochemical characterization of phospholipases C from Coffea arabica in response to aluminium stress. (Record no. 52318)

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control field 20250625160224.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18165
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Title Biochemical characterization of phospholipases C from Coffea arabica in response to aluminium stress.
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Volume/sequential designation Journal of Inorganic BioChemistry, 204, p.110951, 2020
520 3# - SUMMARY, ETC.
Summary, etc. Signal transduction in plants determines their successful adaptation to diverse stress factors. Our group employed suspension cells to study the phosphoinositide pathway, which is triggered by aluminium stress. We investigated about members of the PI-specific phospholipase C (PLC)family and evaluated their transcription profiles in Coffea arabica (Ca)suspension cells after 14 days of culture when treated or not with 100 ?M AlCl3. The four CaPLC1-4 members showed changes in their transcript abundance upon AlCl3 treatment. The expression profiles of CaPLC1/2 exhibited a rapid and transitory increase in abundance. In contrast, CaPLC3 and CaPLC4 showed that transcript levels were up-regulated in short times (at 30 s), while only CaPLC4 kept high levels and CaPLC3 was reduced to basal after 3 h of treatment. CaPLC proteins were heterologously expressed, and CaPLC2 and CaPLC4 were tested for in vitro activity in the presence or absence of AlCl3 and compared to Arabidopsis PLC2 (AtPLC2). A crude extract was isolated from coffee cells. CaPLC2 showed a similar inhibition (30 per cent)as in AtPLC2 and in the crude extract, while in CaPLC4, the activity was enhanced by AlCl3. Additionally, we visualized the yellow fluorescent protein PH domain of human PLC?1 (YFP-PHPLC?1)subcellular localization in cells that were treated or not with AlCl3. In non-treated cells, we observed a polar fluorescence signal towards the fused membrane. However, when cells were treated with AlCl3, these signals were disrupted. Finally, this is the first time that PLC activity has been shown to be stimulated in vitro by AlCl3.
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Topical term or geographic name entry element PHOSPHOLIPASES C
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element COFFEA ARABICA
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Personal name González-Mendoza, V. M.
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Personal name Sánchez-Sandoval, M. E.
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Personal name Munnik, T.
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Personal name Hernández-Sotomayor, S. T.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1u3Sjt3OoQX_mRyggAjiuQfAUgedQ2q5m/view?usp=drivesdk">https://drive.google.com/file/d/1u3Sjt3OoQX_mRyggAjiuQfAUgedQ2q5m/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18165 25.06.2025 25.06.2025 Documentos solicitados