Effect of phosphate on aluminium-inhibited growth and signal transduction pathways in Coffea arabica suspension cells (Record no. 45540)

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control field MX-MdCICY
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control field 20250625140648.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-11318
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245 10 - TITLE STATEMENT
Title Effect of phosphate on aluminium-inhibited growth and signal transduction pathways in Coffea arabica suspension cells
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Inorganic BioChemistry, 103(11), p.1497-1503, 2009
520 3# - SUMMARY, ETC.
Summary, etc. In acid soils, aluminium (Al)toxicity and phosphate (Pi)deficiency are the most significant constraints on plant growth. Al inhibits cell growth and disrupts signal transduction processes, thus interfering with metabolism of phospholipase C (PLC), an enzyme involved in second messenger production in the cell. Using a Coffea arabica suspension cell model, we demonstrate that cell growth inhibition by Al toxicity is mitigated at a high Pi concentration. Aluminium-induced cell growth inhibition may be due to culture medium Pi deficiency, since Pi forms complexes with Al, reducing Pi availability to cells. Phosphate does not mitigate inhibition of PLC activity by Al toxicity. Other enzymes of the phosphoinositide signal transduction pathway were also evaluated. Aluminium disrupts production of second messengers such as inositol 1,4,5-trisphosphate (IP3)and phosphatidic acid (PA)by blocking PLC activity; however, phospholipase D (PLD)and diacylglycerol kinase (DGK)activities are stimulated by Al, a response probably aimed at counteracting Al effects on PA formation. Phosphate deprivation also induces PLC and DGK activity. These results suggest that Al-induced cell growth inhibition is not linked to PLC activity inhibition.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PHOSPHATE DEFICIENCY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ALUMINIUM TOXICITY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element COFFEA ARABICA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PHOSPHOLIPASE C
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Chee-González, L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Muñoz-Sánchez, J.A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Racagni-Di Palma, G.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Hernández-Sotomayor, S.M.T.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1qbsUUNlGsx4b6vtBqf3HdXKfaB4nZfEp/view?usp=drivesdk">https://drive.google.com/file/d/1qbsUUNlGsx4b6vtBqf3HdXKfaB4nZfEp/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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